2048_laya/release/wxgame/libs/laya.physics.js

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box2d.b2Mul_M22_V2(a,b,c);if(a instanceof box2d.b2Mat22&&b instanceof box2d.b2Mat22&&c instanceof box2d.b2Mat22)return box2d.b2Mul_M22_M22(a,b,c);if(a instanceof box2d.b2Mat33&&b instanceof box2d.b2Vec3&&c instanceof box2d.b2Vec3)return box2d.b2Mul_M33_V3(a,b,c);if(a instanceof box2d.b2Rot&&b instanceof box2d.b2Rot&&c instanceof box2d.b2Rot)return box2d.b2Mul_R_R(a,b,c);if(a instanceof box2d.b2Rot&&b instanceof box2d.b2Vec2&&c instanceof box2d.b2Vec2)return box2d.b2Mul_R_V2(a,b,c);if(a instanceof box2d.b2Transform&&b instanceof box2d.b2Vec2&&c instanceof box2d.b2Vec2)return box2d.b2Mul_X_V2(a,b,c);if(a instanceof box2d.b2Transform&&b instanceof box2d.b2Transform&&c instanceof box2d.b2Transform)return box2d.b2Mul_X_X(a,b,c);throw Error()},goog.exportSymbol("box2d.b2Mul",box2d.b2Mul),box2d.b2Mul22=function(a,b,c){if(a instanceof box2d.b2Mat33&&b instanceof box2d.b2Vec2)return box2d.b2Mul22_M33_V2(a,b,c);throw Error()},goog.exportSymbol("box2d.b2Mul22",box2d.b2Mul22),box2d.b2MulT=function(a,b,c){if(a instanceof box2d.b2Mat22&&b instanceof box2d.b2Vec2&&c instanceof box2d.b2Vec2)return box2d.b2MulT_M22_V2(a,b,c);if(a instanceof box2d.b2Mat22&&b instanceof box2d.b2Mat22&&c instanceof box2d.b2Mat22)return box2d.b2MulT_M22_M22(a,b,c);if(a instanceof box2d.b2Rot&&b instanceof box2d.b2Rot&&c instanceof box2d.b2Rot)return box2d.b2MulT_R_R(a,b,c);if(a instanceof box2d.b2Rot&&b instanceof box2d.b2Vec2&&c instanceof box2d.b2Vec2)return box2d.b2MulT_R_V2(a,b,c);if(a instanceof box2d.b2Transform&&b instanceof box2d.b2Vec2&&c instanceof box2d.b2Vec2)return box2d.b2MulT_X_V2(a,b,c);if(a instanceof box2d.b2Transform&&b instanceof box2d.b2Transform&&c instanceof box2d.b2Transform)return box2d.b2MulT_X_X(a,b,c);throw Error()},goog.exportSymbol("box2d.b2MulT",box2d.b2MulT),box2d.b2DistanceProxy=function(){this.m_buffer=box2d.b2Vec2.MakeArray(2)},goog.exportSymbol("box2d.b2DistanceProxy",box2d.b2DistanceProxy),box2d.b2DistanceProxy.prototype.m_buffer=null,goog.exportProperty(box2d.b2DistanceProxy.prototype,"m_buffer",box2d.b2DistanceProxy.prototype.m_buffer),box2d.b2DistanceProxy.prototype.m_vertices=null,goog.exportProperty(box2d.b2DistanceProxy.prototype,"m_vertices",box2d.b2DistanceProxy.prototype.m_vertices),box2d.b2DistanceProxy.prototype.m_count=0,goog.exportProperty(box2d.b2DistanceProxy.prototype,"m_count",box2d.b2DistanceProxy.prototype.m_count),box2d.b2DistanceProxy.prototype.m_radius=0,goog.exportProperty(box2d.b2DistanceProxy.prototype,"m_radius",box2d.b2DistanceProxy.prototype.m_radius),box2d.b2DistanceProxy.prototype.Reset=function(){return this.m_vertices=null,this.m_radius=this.m_count=0,this},goog.exportProperty(box2d.b2DistanceProxy.prototype,"Reset",box2d.b2DistanceProxy.prototype.Reset),box2d.b2DistanceProxy.prototype.SetShape=function(a,b){a.SetupDistanceProxy(this,b)},goog.exportProperty(box2d.b2DistanceProxy.prototype,"SetShape",box2d.b2DistanceProxy.prototype.SetShape),box2d.b2DistanceProxy.prototype.GetSupport=function(a){for(var b=0,c=box2d.b2Dot_V2_V2(this.m_vertices[0],a),d=1;d<this.m_count;++d){var e=box2d.b2Dot_V2_V2(this.m_vertices[d],a);e>c&&(b=d,c=e)}return b},goog.exportProperty(box2d.b2DistanceProxy.prototype,"GetSupport",box2d.b2DistanceProxy.prototype.GetSupport),box2d.b2DistanceProxy.prototype.GetSupportVertex=function(a,b){for(var c=0,d=box2d.b2Dot_V2_V2(this.m_vertices[0],a),e=1;e<this.m_count;++e){var f=box2d.b2Dot_V2_V2(this.m_vertices[e],a);f>d&&(c=e,d=f)}return b.Copy(this.m_vertices[c])},goog.exportProperty(box2d.b2DistanceProxy.prototype,"GetSupportVertex",box2d.b2DistanceProxy.prototype.GetSupportVertex),box2d.b2DistanceProxy.prototype.GetVertexCount=function(){return this.m_count},goog.exportProperty(box2d.b2DistanceProxy.prototype,"GetVertexCount",box2d.b2DistanceProxy.prototype.GetVertexCount),box2d.b2DistanceProxy.prototype.GetVertex=function(a){return box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=a&&a<this.m_count),this.m_vertices[a]},goog.exportProperty(box2d.b2DistanceProxy.prototype,"GetVertex",box2d.b2DistanceProxy.prototype.GetVertex),box2d.b2SimplexCache=function(){this.indexA=box2d.b2MakeNumberArray(3),this.indexB=box2d.b2MakeNumberArray(3)},goog.exportSymbol("box2d.b2SimplexCache",box2d.b2SimplexCache),box2d.b2SimplexCache.prototype.metric=0,goog.exportProperty(box2d.b2SimplexCache.prototype,"metric",box2d.b2SimplexCache.prototype.metric),box2d.b2SimplexCache.prototype.count=0,goog.exportProperty(box2d.b2SimplexCache.prototype,"count",box2d.b2SimplexCache.prototype.count),box2d.b2SimplexCache.prototype.indexA=null,goog.exportProperty(box2d.b2SimplexCache.prototype,"indexA",box2d.b2SimplexCache.prototype.indexA),box2d.b2SimplexCache.prototype.indexB=null,goog.exportProperty(box2d.b2SimplexCache.prototype,"indexB",box2d.b2SimplexCache.prototype.indexB),box2d.b2SimplexCache.prototype.Reset=function(){return this.count=this.metric=0,this},goog.exportProperty(box2d.b2SimplexCache.prototype,"Reset",box2d.b2SimplexCache.prototype.Reset),box2d.b2DistanceInput=function(){this.proxyA=new box2d.b2DistanceProxy,this.proxyB=new box2d.b2DistanceProxy,this.transformA=new box2d.b2Transform,this.transformB=new box2d.b2Transform},goog.exportSymbol("box2d.b2DistanceInput",box2d.b2DistanceInput),box2d.b2DistanceInput.prototype.proxyA=null,goog.exportProperty(box2d.b2DistanceInput.prototype,"proxyA",box2d.b2DistanceInput.prototype.proxyA),box2d.b2DistanceInput.prototype.proxyB=null,goog.exportProperty(box2d.b2DistanceInput.prototype,"proxyB",box2d.b2DistanceInput.prototype.proxyB),box2d.b2DistanceInput.prototype.transformA=null,goog.exportProperty(box2d.b2DistanceInput.prototype,"transformA",box2d.b2DistanceInput.prototype.transformA),box2d.b2DistanceInput.prototype.transformB=null,goog.exportProperty(box2d.b2DistanceInput.prototype,"transformB",box2d.b2DistanceInput.prototype.transformB),box2d.b2DistanceInput.prototype.useRadii=!1,goog.exportProperty(box2d.b2DistanceInput.prototype,"useRadii",box2d.b2DistanceInput.prototype.useRadii),box2d.b2DistanceInput.prototype.Reset=function(){return this.proxyA.Reset(),this.proxyB.Reset(),this.transformA.SetIdentity(),this.transformB.SetIdentity(),this.useRadii=!1,this},goog.exportProperty(box2d.b2DistanceInput.prototype,"Reset",box2d.b2DistanceInput.prototype.Reset),box2d.b2DistanceOutput=function(){this.pointA=new box2d.b2Vec2,this.pointB=new box2d.b2Vec2},goog.exportSymbol("box2d.b2DistanceOutput",box2d.b2DistanceOutput),box2d.b2DistanceOutput.prototype.pointA=null,goog.exportProperty(box2d.b2DistanceOutput.prototype,"pointA",box2d.b2DistanceOutput.prototype.pointA),box2d.b2DistanceOutput.prototype.pointB=null,goog.exportProperty(box2d.b2DistanceOutput.prototype,"pointB",box2d.b2DistanceOutput.prototype.pointB),box2d.b2DistanceOutput.prototype.distance=0,goog.exportProperty(box2d.b2DistanceOutput.prototype,"distance",box2d.b2DistanceOutput.prototype.distance),box2d.b2DistanceOutput.prototype.iterations=0,goog.exportProperty(box2d.b2DistanceOutput.prototype,"iterations",box2d.b2DistanceOutput.prototype.iterations),box2d.b2DistanceOutput.prototype.Reset=function(){return this.pointA.SetZero(),this.pointB.SetZero(),this.iterations=this.distance=0,this},goog.exportProperty(box2d.b2DistanceOutput.prototype,"Reset",box2d.b2DistanceOutput.prototype.Reset),box2d.b2_gjkCalls=0,goog.exportSymbol("box2d.b2_gjkCalls",box2d.b2_gjkCalls),box2d.b2_gjkIters=0,goog.exportSymbol("box2d.b2_gjkIters",box2d.b2_gjkIters),box2d.b2_gjkMaxIters=0,goog.exportSymbol("box2d.b2_gjkMaxIters",box2d.b2_gjkMaxIters),box2d.b2SimplexVertex=function(){this.wA=new box2d.b2Vec2,this.wB=new box2d.b2Vec2,this.w=new box2d.b2Vec2},goog.exportSymbol("box2d.b2SimplexVertex",box2d.b2SimplexVertex),box2d.b2SimplexVertex.prototype.wA=null,goog.exportProperty(box2d.b2SimplexVertex.prototype,"wA",box2d.b2SimplexVertex.prototype.wA),box2d.b2SimplexVertex.prototype.wB=null,goog.exportProperty(box2d.b2SimplexVertex.prototype,"wB",box2d.b2SimplexVertex.prototype.wB),box2d.b2SimplexVertex.prototype.w=null,goog.exportProperty(box2d.b2SimplexVertex.prototype,"w",box2d.b2SimplexVertex.prototype.w),box2d.b2SimplexVertex.prototype.a=0,goog.exportProperty(box2d.b2SimplexVertex.prototype,"a",box2d.b2SimplexVertex.prototype.a),box2d.b2SimplexVertex.prototype.indexA=0,goog.exportProperty(box2d.b2SimplexVertex.prototype,"indexA",box2d.b2SimplexVertex.prototype.indexA),box2d.b2SimplexVertex.prototype.indexB=0,goog.exportProperty(box2d.b2SimplexVertex.prototype,"indexB",box2d.b2SimplexVertex.prototype.indexB),box2d.b2SimplexVertex.prototype.Copy=function(a){return this.wA.Copy(a.wA),this.wB.Copy(a.wB),this.w.Copy(a.w),this.a=a.a,this.indexA=a.indexA,this.indexB=a.indexB,this},goog.exportProperty(box2d.b2SimplexVertex.prototype,"Copy",box2d.b2SimplexVertex.prototype.Copy),box2d.b2Simplex=function(){this.m_v1=new box2d.b2SimplexVertex,this.m_v2=new box2d.b2SimplexVertex,this.m_v3=new box2d.b2SimplexVertex,this.m_vertices=Array(3),this.m_vertices[0]=this.m_v1,this.m_vertices[1]=this.m_v2,this.m_vertices[2]=this.m_v3},goog.exportSymbol("box2d.b2Simplex",box2d.b2Simplex),box2d.b2Simplex.prototype.m_v1=null,goog.exportProperty(box2d.b2Simplex.prototype,"m_v1",box2d.b2Simplex.prototype.m_v1),box2d.b2Simplex.prototype.m_v2=null,goog.exportProperty(box2d.b2Simplex.prototype,"m_v2",box2d.b2Simplex.prototype.m_v2),box2d.b2Simplex.prototype.m_v3=null,goog.exportProperty(box2d.b2Simplex.prototype,"m_v3",box2d.b2Simplex.prototype.m_v3),box2d.b2Simplex.prototype.m_vertices=null,goog.exportProperty(box2d.b2Simplex.prototype,"m_vertices",box2d.b2Simplex.prototype.m_vertices),box2d.b2Simplex.prototype.m_count=0,goog.exportProperty(box2d.b2Simplex.prototype,"m_count",box2d.b2Simplex.prototype.m_count),box2d.b2Simplex.prototype.ReadCache=function(a,b,c,d,e){box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=a.count&&3>=a.count),this.m_count=a.count;for(var f=this.m_vertices,g=0;g<this.m_count;++g){var h=f[g];h.indexA=a.indexA[g],h.indexB=a.indexB[g];var k=b.GetVertex(h.indexA),l=d.GetVertex(h.indexB);box2d.b2Mul_X_V2(c,k,h.wA),box2d.b2Mul_X_V2(e,l,h.wB),box2d.b2Sub_V2_V2(h.wB,h.wA,h.w),h.a=0}1<this.m_count&&(a=a.metric,(g=this.GetMetric())<.5*a||2*a<g||g<box2d.b2_epsilon)&&(this.m_count=0),0===this.m_count&&((h=f[0]).indexA=0,h.indexB=0,k=b.GetVertex(0),l=d.GetVertex(0),box2d.b2Mul_X_V2(c,k,h.wA),box2d.b2Mul_X_V2(e,l,h.wB),box2d.b2Sub_V2_V2(h.wB,h.wA,h.w),this.m_count=h.a=1)},goog.exportProperty(box2d.b2Simplex.prototype,"ReadCache",box2d.b2Simplex.prototype.ReadCache),box2d.b2Simplex.prototype.WriteCache=function(a){a.metric=this.GetMetric(),a.count=this.m_count;for(var b=this.m_vertices,c=0;c<this.m_count;++c)a.indexA[c]=b[c].indexA,a.indexB[c]=b[c].indexB},goog.exportProperty(box2d.b2Simplex.prototype,"WriteCache",box2d.b2Simplex.prototype.WriteCache),box2d.b2Simplex.prototype.GetSearchDirection=function(a){switch(this.m_count){case 1:return a.Copy(this.m_v1.w).SelfNeg();case 2:var b=box2d.b2Sub_V2_V2(this.m_v2.w,this.m_v1.w,a);return 0<box2d.b2Cross_V2_V2(b,box2d.b2Vec2.s_t0.Copy(this.m_v1.w).SelfNeg())?box2d.b2Cross_S_V2(1,b,a):box2d.b2Cross_V2_S(b,1,a);default:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),a.SetZero()}},goog.exportProperty(box2d.b2Simplex.prototype,"GetSearchDirection",box2d.b2Simplex.prototype.GetSearchDirection),box2d.b2Simplex.prototype.GetClosestPoint=function(a){switch(this.m_count){case 0:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),a.SetZero();case 1:return a.Copy(this.m_v1.w);case 2:return a.Set(this.m_v1.a*this.m_v1.w.x+this.m_v2.a*this.m_v2.w.x,this.m_v1.a*this.m_v1.w.y+this.m_v2.a*this.m_v2.w.y);case 3:return a.SetZero();default:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),a.SetZero()}},goog.exportProperty(box2d.b2Simplex.prototype,"GetClosestPoint",box2d.b2Simplex.prototype.GetClosestPoint),box2d.b2Simplex.prototype.GetWitnessPoints=function(a,b){switch(this.m_count){case 0:box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1);break;case 1:a.Copy(this.m_v1.wA),b.Copy(this.m_v1.wB);break;case 2:a.x=this.m_v1.a*this.m_v1.wA.x+this.m_v2.a*this.m_v2.wA.x,a.y=this.m_v1.a*this.m_v1.wA.y+this.m_v2.a*this.m_v2.wA.y,b.x=this.m_v1.a*this.m_v1.wB.x+this.m_v2.a*this.m_v2.wB.x,b.y=this.m_v1.a*this.m_v1.wB.y+this.m_v2.a*this.m_v2.wB.y;break;case 3:b.x=a.x=this.m_v1.a*this.m_v1.wA.x+this.m_v2.a*this.m_v2.wA.x+this.m_v3.a*this.m_v3.wA.x,b.y=a.y=this.m_v1.a*this.m_v1.wA.y+this.m_v2.a*this.m_v2.wA.y+this.m_v3.a*this.m_v3.wA.y;break;default:box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1)}},goog.exportProperty(box2d.b2Simplex.prototype,"GetWitnessPoints",box2d.b2Simplex.prototype.GetWitnessPoints),box2d.b2Simplex.prototype.GetMetric=function(){switch(this.m_count){case 0:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),0;case 1:return 0;case 2:return box2d.b2Distance(this.m_v1.w,this.m_v2.w);case 3:return box2d.b2Cross_V2_V2(box2d.b2Sub_V2_V2(this.m_v2.w,this.m_v1.w,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(this.m_v3.w,this.m_v1.w,box2d.b2Vec2.s_t1));default:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),0}},goog.exportProperty(box2d.b2Simplex.prototype,"GetMetric",box2d.b2Simplex.prototype.GetMetric),box2d.b2Simplex.prototype.Solve2=function(){var a=this.m_v1.w,b=this.m_v2.w,c=box2d.b2Sub_V2_V2(b,a,box2d.b2Simplex.s_e12);0>=(a=-box2d.b2Dot_V2_V2(a,c))?this.m_count=this.m_v1.a=1:0>=(b=box2d.b2Dot_V2_V2(b,c))?(this.m_count=this.m_v2.a=1,this.m_v1.Copy(this.m_v2)):(c=1/(b+a),this.m_v1.a=b*c,this.m_v2.a=a*c,this.m_count=2)},goog.exportProperty(box2d.b2Simplex.prototype,"Solve2",box2d.b2Simplex.prototype.Solve2),box2d.b2Simplex.prototype.Solve3=function(){var a=this.m_v1.w,b=this.m_v2.w,c=this.m_v3.w,d=box2d.b2Sub_V2_V2(b,a,box2d.b2Simplex.s_e12),e=box2d.b2Dot_V2_V2(a,d),f=box2d.b2Dot_V2_V2(b,d),g=(e=-e,box2d.b2Sub_V2_V2(c,a,box2d.b2Simplex.s_e13)),h=box2d.b2Dot_V2_V2(a,g),k=box2d.b2Dot_V2_V2(c,g),l=(h=-h,box2d.b2Sub_V2_V2(c,b,box2d.b2Simplex.s_e23)),m=box2d.b2Dot_V2_V2(b,l);l=box2d.b2Dot_V2_V2(c,l),m=-m,d=(g=box2d.b2Cross_V2_V2(d,g))*box2d.b2Cross_V2_V2(b,c),c=g*box2d.b2Cross_V2_V2(c,a),a=g*box2d.b2Cross_V2_V2(a,b);0>=e&&0>=h?this.m_count=this.m_v1.a=1:0<f&&0<e&&0>=a?(k=1/(f+e),this.m_v1.a=f*k,this.m_v2.a=e*k,this.m_count=2):0<k&&0<h&&0>=c?(f=1/(k+h),this.m_v1.a=k*f,this.m_v3.a=h*f,this.m_count=2,this.m_v2.Copy(this.m_v3)):0>=f&&0>=m?(this.m_count=this.m_v2.a=1,this.m_v1.Copy(this.m_v2)):0>=k&&0>=l?(this.m_count=this.m_v3.a=1,this.m_v1.Copy(this.m_v3)):0<l&&0<m&&0>=d?(f=1/(l+m),this.m_v2.a=l*f,this.m_v3.a=m*f,this.m_count=2,this.m_v1.Copy(this.m_v3)):(f=1/(d+c+a),this.m_v1.a=d*f,this.m_v2.a=c*f,this.m_v3.a=a*f,this.m_count=3)},goog.exportProperty(box2d.b2Simplex.prototype,"Solve3",box2d.b2Simplex.prototype.Solve3),box2d.b2Simplex.s_e12=new box2d.b2Vec2,box2d.b2Simplex.s_e13=new box2d.b2Vec2,box2d.b2Simplex.s_e23=new box2d.b2Vec2,box2d.b2ShapeDistance=function(a,b,c){++box2d.b2_gjkCalls;var d=c.proxyA,e=c.proxyB,f=c.transformA,g=c.transformB,h=box2d.b2Distance.s_simplex;h.ReadCache(b,d,f,e,g);for(var k=h.m_vertices,l=box2d.b2Distance.s_saveA,m=box2d.b2Distance.s_saveB,n=0,p=0;20>p;){n=h.m_count;for(var q=0;q<n;++q)l[q]=k[q].indexA,m[q]=k[q].indexB;switch(h.m_count){case 1:break;case 2:h.Solve2();break;case 3:h.Solve3();break;default:box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1)}if(3===h.m_count)break;var r=h.GetClosestPoint(box2d.b2Distance.s_p);if(r.LengthSquared(),(q=h.GetSearchDirection(box2d.b2Distance.s_d)).LengthSquared()<box2d.b2_epsilon_sq)break;(r=k[h.m_count]).indexA=d.GetSupport(box2d.b2MulT_R_V2(f.q,box2d.b2Vec2.s_t0.Copy(q).SelfNeg(),box2d.b2Distance.s_supportA)),box2d.b2Mul_X_V2(f,d.GetVertex(r.indexA),r.wA),r.indexB=e.GetSupport(box2d.b2MulT_R_V2(g.q,q,box2d.b2Distance.s_supportB)),box2d.b2Mul_X_V2(g,e.GetVertex(r.indexB),r.wB),box2d.b2Sub_V2_V2(r.wB,r.wA,r.w),++p,++box2d.b2_gjkIters;var u=!1;for(q=0;q<n;++q)if(r.indexA===l[q]&&r.indexB===m[q]){u=!0;break}if(u)break;++h.m_count}box2d.b2_gjkMaxIters=box2d.b2Max(box2d.b2_gjkMaxIters,p),h.GetWitnessPoints(a.pointA,a.pointB),a.distance=box2d.b2Distance(a.pointA,a.pointB),a.iterations=p,h.WriteCache(b),c.useRadii&&(b=d.m_radius,e=e.m_radius,a.distance>b+e&&a.distance>box2d.b2_epsilon?(a.distance-=b+e,(c=box2d.b2Sub_V2_V2(a.pointB,a.pointA,box2d.b2Distance.s_normal)).Normalize(),a.pointA.SelfMulAdd(b,c),a.pointB.SelfMulSub(e,c)):(r=box2d.b2Mid_V2_V2(a.pointA,a.pointB,box2d.b2Distance.s_p),a.pointA.Copy(r),a.pointB.Copy(r),a.distance=0))},goog.exportSymbol("box2d.b2ShapeDistance",box2d.b2ShapeDistance),box2d.b2Distance.s_simplex=new box2d.b2Simplex,box2d.b2Distance.s_saveA=box2d.b2MakeNumberArray(3),box2d.b2Distance.s_saveB=box2d.b2MakeNumberArray(3),box2d.b2Distance.s_p=new box2d.b2Vec2,box2d.b2Distance.s_d=new box2d.b2Vec2,box2d.b2Distance.s_normal=new box2d.b2Vec2,box2d.b2Distance.s_supportA=new box2d.b2Vec2,box2d.b2Distance.s_supportB=new box2d.b2Vec2,box2d.b2Collision={},box2d.b2ContactFeatureType={e_vertex:0,e_face:1},goog.exportSymbol("box2d.b2ContactFeatureType",box2d.b2ContactFeatureType),goog.exportProperty(box2d.b2ContactFeatureType,"e_vertex",box2d.b2ContactFeatureType.e_vertex),goog.exportProperty(box2d.b2ContactFeatureType,"e_face",box2d.b2ContactFeatureType.e_face),box2d.b2ContactFeature=function(){},goog.exportSymbol("box2d.b2ContactFeature",box2d.b2ContactFeature),box2d.b2ContactFeature.prototype._key=0,goog.exportProperty(box2d.b2ContactFeature.prototype,"_key",box2d.b2ContactFeature.prototype._key),box2d.b2ContactFeature.prototype._key_invalid=!1,goog.exportProperty(box2d.b2ContactFeature.prototype,"_key_invalid",box2d.b2ContactFeature.prototype._key_invalid),box2d.b2ContactFeature.prototype._indexA=0,goog.exportProperty(box2d.b2ContactFeature.prototype,"_indexA",box2d.b2ContactFeature.prototype._indexA),box2d.b2ContactFeature.prototype._indexB=0,goog.exportProperty(box2d.b2ContactFeature.prototype,"_indexB",box2d.b2ContactFeature.prototype._indexB),box2d.b2ContactFeature.prototype._typeA=0,goog.exportProperty(box2d.b2ContactFeature.prototype,"_typeA",box2d.b2ContactFeature.prototype._typeA),box2d.b2ContactFeature.prototype._typeB=0,goog.exportProperty(box2d.b2ContactFeature.prototype,"_typeB",box2d.b2ContactFeature.prototype._typeB),Object.defineProperty(box2d.b2ContactFeature.prototype,"key",{enumerable:!1,configurable:!0,get:function(){return this._key_invalid&&(this._key_invalid=!1,this._key=this._indexA|this._indexB<<8|this._typeA<<16|this._typeB<<24),this._key},set:function(a){this._key=a,this._indexA=255&this._key,this._indexB=this._key>>8&255,this._typeA=this._key>>16&255,this._typeB=this._key>>24&255}}),Object.defineProperty(box2d.b2ContactFeature.prototype,"indexA",{enumerable:!1,configurable:!0,get:function(){return this._indexA},set:function(a){this._indexA=a,this._key_invalid=!0}}),Object.defineProperty(box2d.b2ContactFeature.prototype,"indexB",{enumerable:!1,configurable:!0,get:function(){return this._indexB},set:function(a){this._indexB=a,this._key_invalid=!0}}),Object.defineProperty(box2d.b2ContactFeature.prototype,"typeA",{enumerable:!1,configurable:!0,get:function(){return this._typeA},set:function(a){this._typeA=a,this._key_invalid=!0}}),Object.defineProperty(box2d.b2ContactFeature.prototype,"typeB",{enumerable:!1,configurable:!0,get:function(){return this._typeB},set:function(a){this._typeB=a,this._key_invalid=!0}}),box2d.b2ContactID=function(){this.cf=new box2d.b2ContactFeature},goog.exportSymbol("box2d.b2ContactID",box2d.b2ContactID),box2d.b2ContactID.prototype.cf=null,goog.exportProperty(box2d.b2ContactID.prototype,"cf",box2d.b2ContactID.prototype.cf),box2d.b2ContactID.prototype.key=0,goog.exportProperty(box2d.b2ContactID.prototype,"key",box2d.b2ContactID.prototype.key),Object.defineProperty(box2d.b2ContactID.prototype,"key",{enumerable:!1,configurable:!0,get:function(){return this.cf.key},set:function(a){this.cf.key=a}}),box2d.b2ContactID.prototype.Copy=function(a){return this.key=a.key,this},goog.exportProperty(box2d.b2ContactID.prototype,"Copy",box2d.b2ContactID.prototype.Copy),box2d.b2ContactID.prototype.Clone=function(){return(new box2d.b2ContactID).Copy(this)},goog.exportProperty(box2d.b2ContactID.prototype,"Clone",box2d.b2ContactID.prototype.Clone),box2d.b2ManifoldPoint=function(){this.localPoint=new box2d.b2Vec2,this.id=new box2d.b2ContactID},goog.exportSymbol("box2d.b2ManifoldPoint",box2d.b2ManifoldPoint),box2d.b2ManifoldPoint.prototype.localPoint=null,goog.exportProperty(box2d.b2ManifoldPoint.prototype,"localPoint",box2d.b2ManifoldPoint.prototype.localPoint),box2d.b2ManifoldPoint.prototype.normalImpulse=0,goog.exportProperty(box2d.b2ManifoldPoint.prototype,"normalImpulse",box2d.b2ManifoldPoint.prototype.normalImpulse),box2d.b2ManifoldPoint.prototype.tangentImpulse=0,goog.exportProperty(box2d.b2ManifoldPoint.prototype,"tangentImpulse",box2d.b2ManifoldPoint.prototype.tangentImpulse),box2d.b2ManifoldPoint.prototype.id=null,goog.exportProperty(box2d.b2ManifoldPoint.prototype,"id",box2d.b2ManifoldPoint.prototype.id),box2d.b2ManifoldPoint.MakeArray=function(a){return box2d.b2MakeArray(a,function(a){return new box2d.b2ManifoldPoint})},goog.exportProperty(box2d.b2ManifoldPoint,"MakeArray",box2d.b2ManifoldPoint.MakeArray),box2d.b2ManifoldPoint.prototype.Reset=function(){this.localPoint.SetZero(),this.tangentImpulse=this.normalImpulse=0,this.id.key=0},goog.exportProperty(box2d.b2ManifoldPoint.prototype,"Reset",box2d.b2ManifoldPoint.prototype.Reset);box2d.b2ManifoldPoint.prototype.Copy=function(a){return this.localPoint.Copy(a.localPoint),this.normalImpulse=a.normalImpulse,this.tangentImpulse=a.tangentImpulse,this.id.Copy(a.id),this},goog.exportProperty(box2d.b2ManifoldPoint.prototype,"Copy",box2d.b2ManifoldPoint.prototype.Copy),box2d.b2ManifoldType={e_unknown:-1,e_circles:0,e_faceA:1,e_faceB:2},goog.exportSymbol("box2d.b2ManifoldType",box2d.b2ManifoldType),goog.exportProperty(box2d.b2ManifoldType,"e_unknown",box2d.b2ManifoldType.e_unknown),goog.exportProperty(box2d.b2ManifoldType,"e_circles",box2d.b2ManifoldType.e_circles),goog.exportProperty(box2d.b2ManifoldType,"e_faceA",box2d.b2ManifoldType.e_faceA),goog.exportProperty(box2d.b2ManifoldType,"e_faceB",box2d.b2ManifoldType.e_faceB),box2d.b2Manifold=function(){this.points=box2d.b2ManifoldPoint.MakeArray(box2d.b2_maxManifoldPoints),this.localNormal=new box2d.b2Vec2,this.localPoint=new box2d.b2Vec2,this.type=box2d.b2ManifoldType.e_unknown,this.pointCount=0},goog.exportSymbol("box2d.b2Manifold",box2d.b2Manifold),box2d.b2Manifold.prototype.points=null,goog.exportProperty(box2d.b2Manifold.prototype,"points",box2d.b2Manifold.prototype.points),box2d.b2Manifold.prototype.localNormal=null,goog.exportProperty(box2d.b2Manifold.prototype,"localNormal",box2d.b2Manifold.prototype.localNormal),box2d.b2Manifold.prototype.localPoint=null,goog.exportProperty(box2d.b2Manifold.prototype,"localPoint",box2d.b2Manifold.prototype.localPoint),box2d.b2Manifold.prototype.type=box2d.b2ManifoldType.e_unknown,goog.exportProperty(box2d.b2Manifold.prototype,"type",box2d.b2Manifold.prototype.type),box2d.b2Manifold.prototype.pointCount=0,goog.exportProperty(box2d.b2Manifold.prototype,"pointCount",box2d.b2Manifold.prototype.pointCount),box2d.b2Manifold.prototype.Reset=function(){for(var a=0,b=box2d.b2_maxManifoldPoints;a<b;++a)this.points[a].Reset();this.localNormal.SetZero(),this.localPoint.SetZero(),this.type=box2d.b2ManifoldType.e_unknown,this.pointCount=0},goog.exportProperty(box2d.b2Manifold.prototype,"Reset",box2d.b2Manifold.prototype.Reset),box2d.b2Manifold.prototype.Copy=function(a){this.pointCount=a.pointCount;for(var b=0,c=box2d.b2_maxManifoldPoints;b<c;++b)this.points[b].Copy(a.points[b]);return this.localNormal.Copy(a.localNormal),this.localPoint.Copy(a.localPoint),this.type=a.type,this},goog.exportProperty(box2d.b2Manifold.prototype,"Copy",box2d.b2Manifold.prototype.Copy),box2d.b2Manifold.prototype.Clone=function(){return(new box2d.b2Manifold).Copy(this)},goog.exportProperty(box2d.b2Manifold.prototype,"Clone",box2d.b2Manifold.prototype.Clone),box2d.b2WorldManifold=function(){this.normal=new box2d.b2Vec2,this.points=box2d.b2Vec2.MakeArray(box2d.b2_maxManifoldPoints),this.separations=box2d.b2MakeNumberArray(box2d.b2_maxManifoldPoints)},goog.exportSymbol("box2d.b2WorldManifold",box2d.b2WorldManifold),box2d.b2WorldManifold.prototype.normal=null,goog.exportProperty(box2d.b2WorldManifold.prototype,"normal",box2d.b2WorldManifold.prototype.normal),box2d.b2WorldManifold.prototype.points=null,goog.exportProperty(box2d.b2WorldManifold.prototype,"points",box2d.b2WorldManifold.prototype.points),box2d.b2WorldManifold.prototype.separations=null,goog.exportProperty(box2d.b2WorldManifold.prototype,"separations",box2d.b2WorldManifold.prototype.separations),box2d.b2WorldManifold.prototype.Initialize=function(a,b,c,d,e){if(0!==a.pointCount)switch(a.type){case box2d.b2ManifoldType.e_circles:this.normal.Set(1,0),b=box2d.b2Mul_X_V2(b,a.localPoint,box2d.b2WorldManifold.prototype.Initialize.s_pointA),a=box2d.b2Mul_X_V2(d,a.points[0].localPoint,box2d.b2WorldManifold.prototype.Initialize.s_pointB),box2d.b2DistanceSquared(b,a)>box2d.b2_epsilon_sq&&box2d.b2Sub_V2_V2(a,b,this.normal).SelfNormalize();var f=box2d.b2AddMul_V2_S_V2(b,c,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cA),g=box2d.b2SubMul_V2_S_V2(a,e,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cB);box2d.b2Mid_V2_V2(f,g,this.points[0]),this.separations[0]=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(g,f,box2d.b2Vec2.s_t0),this.normal);break;case box2d.b2ManifoldType.e_faceA:box2d.b2Mul_R_V2(b.q,a.localNormal,this.normal);for(var h=box2d.b2Mul_X_V2(b,a.localPoint,box2d.b2WorldManifold.prototype.Initialize.s_planePoint),k=0,l=a.pointCount;k<l;++k){var m=box2d.b2Mul_X_V2(d,a.points[k].localPoint,box2d.b2WorldManifold.prototype.Initialize.s_clipPoint);f=c-box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(m,h,box2d.b2Vec2.s_t0),this.normal),f=box2d.b2AddMul_V2_S_V2(m,f,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cA),g=box2d.b2SubMul_V2_S_V2(m,e,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cB);box2d.b2Mid_V2_V2(f,g,this.points[k]),this.separations[k]=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(g,f,box2d.b2Vec2.s_t0),this.normal)}break;case box2d.b2ManifoldType.e_faceB:for(box2d.b2Mul_R_V2(d.q,a.localNormal,this.normal),h=box2d.b2Mul_X_V2(d,a.localPoint,box2d.b2WorldManifold.prototype.Initialize.s_planePoint),k=0,l=a.pointCount;k<l;++k)m=box2d.b2Mul_X_V2(b,a.points[k].localPoint,box2d.b2WorldManifold.prototype.Initialize.s_clipPoint),f=e-box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(m,h,box2d.b2Vec2.s_t0),this.normal),g=box2d.b2AddMul_V2_S_V2(m,f,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cB),f=box2d.b2SubMul_V2_S_V2(m,c,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cA),box2d.b2Mid_V2_V2(f,g,this.points[k]),this.separations[k]=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(f,g,box2d.b2Vec2.s_t0),this.normal);this.normal.SelfNeg()}},goog.exportProperty(box2d.b2WorldManifold.prototype,"Initialize",box2d.b2WorldManifold.prototype.Initialize),box2d.b2WorldManifold.prototype.Initialize.s_pointA=new box2d.b2Vec2,box2d.b2WorldManifold.prototype.Initialize.s_pointB=new box2d.b2Vec2,box2d.b2WorldManifold.prototype.Initialize.s_cA=new box2d.b2Vec2,box2d.b2WorldManifold.prototype.Initialize.s_cB=new box2d.b2Vec2,box2d.b2WorldManifold.prototype.Initialize.s_planePoint=new box2d.b2Vec2,box2d.b2WorldManifold.prototype.Initialize.s_clipPoint=new box2d.b2Vec2,box2d.b2PointState={b2_nullState:0,b2_addState:1,b2_persistState:2,b2_removeState:3},goog.exportSymbol("box2d.b2PointState",box2d.b2PointState),goog.exportProperty(box2d.b2PointState,"b2_nullState   ",box2d.b2PointState.b2_nullState),goog.exportProperty(box2d.b2PointState,"b2_addState    ",box2d.b2PointState.b2_addState),goog.exportProperty(box2d.b2PointState,"b2_persistState",box2d.b2PointState.b2_persistState),goog.exportProperty(box2d.b2PointState,"b2_removeState ",box2d.b2PointState.b2_removeState),box2d.b2GetPointStates=function(a,b,c,d){for(var e=0,f=c.pointCount;e<f;++e){var g=(g=c.points[e].id).key;a[e]=box2d.b2PointState.b2_removeState;for(var h=0,k=d.pointCount;h<k;++h)if(d.points[h].id.key===g){a[e]=box2d.b2PointState.b2_persistState;break}}for(f=box2d.b2_maxManifoldPoints;e<f;++e)a[e]=box2d.b2PointState.b2_nullState;for(e=0,f=d.pointCount;e<f;++e)for(g=(g=d.points[e].id).key,b[e]=box2d.b2PointState.b2_addState,h=0,k=c.pointCount;h<k;++h)if(c.points[h].id.key===g){b[e]=box2d.b2PointState.b2_persistState;break}for(f=box2d.b2_maxManifoldPoints;e<f;++e)b[e]=box2d.b2PointState.b2_nullState},goog.exportSymbol("box2d.b2GetPointStates",box2d.b2GetPointStates),box2d.b2ClipVertex=function(){this.v=new box2d.b2Vec2,this.id=new box2d.b2ContactID},goog.exportSymbol("box2d.b2ClipVertex",box2d.b2ClipVertex),box2d.b2ClipVertex.prototype.v=null,goog.exportProperty(box2d.b2ClipVertex.prototype,"v",box2d.b2ClipVertex.prototype.v),box2d.b2ClipVertex.prototype.id=null,goog.exportProperty(box2d.b2ClipVertex.prototype,"id",box2d.b2ClipVertex.prototype.id),box2d.b2ClipVertex.MakeArray=function(a){return box2d.b2MakeArray(a,function(a){return new box2d.b2ClipVertex})},goog.exportProperty(box2d.b2ClipVertex,"MakeArray",box2d.b2ClipVertex.MakeArray),box2d.b2ClipVertex.prototype.Copy=function(a){return this.v.Copy(a.v),this.id.Copy(a.id),this},goog.exportProperty(box2d.b2ClipVertex.prototype,"Copy",box2d.b2ClipVertex.prototype.Copy),box2d.b2RayCastInput=function(){this.p1=new box2d.b2Vec2,this.p2=new box2d.b2Vec2,this.maxFraction=1},goog.exportSymbol("box2d.b2RayCastInput",box2d.b2RayCastInput),box2d.b2RayCastInput.prototype.p1=null,goog.exportProperty(box2d.b2RayCastInput.prototype,"p1",box2d.b2RayCastInput.prototype.p1),box2d.b2RayCastInput.prototype.p2=null,goog.exportProperty(box2d.b2RayCastInput.prototype,"p2",box2d.b2RayCastInput.prototype.p2),box2d.b2RayCastInput.prototype.maxFraction=1,goog.exportProperty(box2d.b2RayCastInput.prototype,"maxFraction",box2d.b2RayCastInput.prototype.maxFraction),box2d.b2RayCastInput.prototype.Copy=function(a){return this.p1.Copy(a.p1),this.p2.Copy(a.p2),this.maxFraction=a.maxFraction,this},goog.exportProperty(box2d.b2RayCastInput.prototype,"Copy",box2d.b2RayCastInput.prototype.Copy),box2d.b2RayCastOutput=function(){this.normal=new box2d.b2Vec2,this.fraction=0},goog.exportSymbol("box2d.b2RayCastOutput",box2d.b2RayCastOutput),box2d.b2RayCastOutput.prototype.normal=null,goog.exportProperty(box2d.b2RayCastOutput.prototype,"normal",box2d.b2RayCastOutput.prototype.normal),box2d.b2RayCastOutput.prototype.fraction=0,goog.exportProperty(box2d.b2RayCastOutput.prototype,"fraction",box2d.b2RayCastOutput.prototype.fraction),box2d.b2RayCastOutput.prototype.Copy=function(a){return this.normal.Copy(a.normal),this.fraction=a.fraction,this},goog.exportProperty(box2d.b2RayCastOutput.prototype,"Copy",box2d.b2RayCastOutput.prototype.Copy),box2d.b2AABB=function(){this.lowerBound=new box2d.b2Vec2,this.upperBound=new box2d.b2Vec2,this.m_out_center=new box2d.b2Vec2,this.m_out_extent=new 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m=box2d.b2Dot_V2_V2(b[l],box2d.b2Sub_V2_V2(c,k[l],box2d.b2Vec2.s_t0));if(m>e)return;m>g&&(g=m,f=l)}m=k[l=f],h=k[(l+1)%h],g<box2d.b2_epsilon?(a.pointCount=1,a.type=box2d.b2ManifoldType.e_faceA,a.localNormal.Copy(b[f]),box2d.b2Mid_V2_V2(m,h,a.localPoint),a.points[0].localPoint.Copy(d.m_p),a.points[0].id.key=0):(g=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(c,m,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(h,m,box2d.b2Vec2.s_t1)),f=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(c,h,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(m,h,box2d.b2Vec2.s_t1)),0>=g?box2d.b2DistanceSquared(c,m)>e*e||(a.pointCount=1,a.type=box2d.b2ManifoldType.e_faceA,box2d.b2Sub_V2_V2(c,m,a.localNormal).SelfNormalize(),a.localPoint.Copy(m),a.points[0].localPoint.Copy(d.m_p),a.points[0].id.key=0):0>=f?box2d.b2DistanceSquared(c,h)>e*e||(a.pointCount=1,a.type=box2d.b2ManifoldType.e_faceA,box2d.b2Sub_V2_V2(c,h,a.localNormal).SelfNormalize(),a.localPoint.Copy(h),a.points[0].localPoint.Copy(d.m_p),a.points[0].id.key=0):(f=box2d.b2Mid_V2_V2(m,h,box2d.b2CollidePolygonAndCircle.s_faceCenter),(g=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(c,f,box2d.b2Vec2.s_t1),b[l]))>e||(a.pointCount=1,a.type=box2d.b2ManifoldType.e_faceA,a.localNormal.Copy(b[l]).SelfNormalize(),a.localPoint.Copy(f),a.points[0].localPoint.Copy(d.m_p),a.points[0].id.key=0)))},goog.exportSymbol("box2d.b2CollidePolygonAndCircle",box2d.b2CollidePolygonAndCircle),box2d.b2CollidePolygonAndCircle.s_c=new 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box2d.b2Vec2,box2d.b2CollideEdgeAndCircle.s_n=new box2d.b2Vec2,box2d.b2CollideEdgeAndCircle.s_id=new 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box2d.b2Vec2,this.v2=new box2d.b2Vec2,this.normal=new box2d.b2Vec2,this.sideNormal1=new box2d.b2Vec2,this.sideOffset1=0,this.sideNormal2=new box2d.b2Vec2,this.sideOffset2=0},goog.exportSymbol("box2d.b2ReferenceFace",box2d.b2ReferenceFace),box2d.b2ReferenceFace.prototype.i1=0,goog.exportProperty(box2d.b2ReferenceFace.prototype,"i1",box2d.b2ReferenceFace.prototype.i1),box2d.b2ReferenceFace.prototype.i2=0,goog.exportProperty(box2d.b2ReferenceFace.prototype,"i2",box2d.b2ReferenceFace.prototype.i2),box2d.b2ReferenceFace.prototype.v1=null,goog.exportProperty(box2d.b2ReferenceFace.prototype,"v1",box2d.b2ReferenceFace.prototype.v1),box2d.b2ReferenceFace.prototype.v2=null,goog.exportProperty(box2d.b2ReferenceFace.prototype,"v2",box2d.b2ReferenceFace.prototype.v2),box2d.b2ReferenceFace.prototype.normal=null,goog.exportProperty(box2d.b2ReferenceFace.prototype,"normal",box2d.b2ReferenceFace.prototype.normal),box2d.b2ReferenceFace.prototype.sideNormal1=null,goog.exportProperty(box2d.b2ReferenceFace.prototype,"sideNormal1",box2d.b2ReferenceFace.prototype.sideNormal1),box2d.b2ReferenceFace.prototype.sideOffset1=0,goog.exportProperty(box2d.b2ReferenceFace.prototype,"sideOffset1",box2d.b2ReferenceFace.prototype.sideOffset1),box2d.b2ReferenceFace.prototype.sideNormal2=null,goog.exportProperty(box2d.b2ReferenceFace.prototype,"sideNormal2",box2d.b2ReferenceFace.prototype.sideNormal2),box2d.b2ReferenceFace.prototype.sideOffset2=0,goog.exportProperty(box2d.b2ReferenceFace.prototype,"sideOffset2",box2d.b2ReferenceFace.prototype.sideOffset2),box2d.b2EPColliderVertexType={e_isolated:0,e_concave:1,e_convex:2},goog.exportSymbol("box2d.b2EPColliderVertexType",box2d.b2EPColliderVertexType),goog.exportProperty(box2d.b2EPColliderVertexType,"e_isolated",box2d.b2EPColliderVertexType.e_isolated),goog.exportProperty(box2d.b2EPColliderVertexType,"e_concave",box2d.b2EPColliderVertexType.e_concave),goog.exportProperty(box2d.b2EPColliderVertexType,"e_convex",box2d.b2EPColliderVertexType.e_convex),box2d.b2EPCollider=function(){this.m_polygonB=new box2d.b2TempPolygon,this.m_xf=new box2d.b2Transform,this.m_centroidB=new box2d.b2Vec2,this.m_v0=new box2d.b2Vec2,this.m_v1=new box2d.b2Vec2,this.m_v2=new box2d.b2Vec2,this.m_v3=new box2d.b2Vec2,this.m_normal0=new box2d.b2Vec2,this.m_normal1=new box2d.b2Vec2,this.m_normal2=new box2d.b2Vec2,this.m_normal=new box2d.b2Vec2,this.m_type2=this.m_type1=box2d.b2EPColliderVertexType.e_isolated,this.m_lowerLimit=new box2d.b2Vec2,this.m_upperLimit=new box2d.b2Vec2,this.m_radius=0,this.m_front=!1},goog.exportSymbol("box2d.b2EPCollider",box2d.b2EPCollider),box2d.b2EPCollider.prototype.m_polygonB=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_polygonB",box2d.b2EPCollider.prototype.m_polygonB),box2d.b2EPCollider.prototype.m_xf=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_xf",box2d.b2EPCollider.prototype.m_xf),box2d.b2EPCollider.prototype.m_centroidB=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_centroidB",box2d.b2EPCollider.prototype.m_centroidB),box2d.b2EPCollider.prototype.m_v0=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_v0",box2d.b2EPCollider.prototype.m_v0),box2d.b2EPCollider.prototype.m_v1=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_v1",box2d.b2EPCollider.prototype.m_v1),box2d.b2EPCollider.prototype.m_v2=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_v2",box2d.b2EPCollider.prototype.m_v2),box2d.b2EPCollider.prototype.m_v3=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_v3",box2d.b2EPCollider.prototype.m_v3),box2d.b2EPCollider.prototype.m_normal0=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_normal0",box2d.b2EPCollider.prototype.m_normal0),box2d.b2EPCollider.prototype.m_normal1=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_normal1",box2d.b2EPCollider.prototype.m_normal1),box2d.b2EPCollider.prototype.m_normal2=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_normal2",box2d.b2EPCollider.prototype.m_normal2),box2d.b2EPCollider.prototype.m_normal=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_normal",box2d.b2EPCollider.prototype.m_normal),box2d.b2EPCollider.prototype.m_type1=box2d.b2EPColliderVertexType.e_isolated,goog.exportProperty(box2d.b2EPCollider.prototype,"m_type1",box2d.b2EPCollider.prototype.m_type1),box2d.b2EPCollider.prototype.m_type2=box2d.b2EPColliderVertexType.e_isolated,goog.exportProperty(box2d.b2EPCollider.prototype,"m_type2",box2d.b2EPCollider.prototype.m_type2),box2d.b2EPCollider.prototype.m_lowerLimit=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_lowerLimit",box2d.b2EPCollider.prototype.m_lowerLimit),box2d.b2EPCollider.prototype.m_upperLimit=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_upperLimit",box2d.b2EPCollider.prototype.m_upperLimit),box2d.b2EPCollider.prototype.m_radius=0,goog.exportProperty(box2d.b2EPCollider.prototype,"m_radius",box2d.b2EPCollider.prototype.m_radius),box2d.b2EPCollider.prototype.m_front=!1,goog.exportProperty(box2d.b2EPCollider.prototype,"m_front",box2d.b2EPCollider.prototype.m_front),box2d.b2EPCollider.prototype.Collide=function(a,b,c,d,e){box2d.b2MulT_X_X(c,e,this.m_xf),box2d.b2Mul_X_V2(this.m_xf,d.m_centroid,this.m_centroidB),this.m_v0.Copy(b.m_vertex0),this.m_v1.Copy(b.m_vertex1),this.m_v2.Copy(b.m_vertex2),this.m_v3.Copy(b.m_vertex3),c=b.m_hasVertex0,b=b.m_hasVertex3,(e=box2d.b2Sub_V2_V2(this.m_v2,this.m_v1,box2d.b2EPCollider.s_edge1)).Normalize(),this.m_normal1.Set(e.y,-e.x);var f=box2d.b2Dot_V2_V2(this.m_normal1,box2d.b2Sub_V2_V2(this.m_centroidB,this.m_v1,box2d.b2Vec2.s_t0)),g=0,h=0,k=!1,l=!1;for(c&&((g=box2d.b2Sub_V2_V2(this.m_v1,this.m_v0,box2d.b2EPCollider.s_edge0)).Normalize(),this.m_normal0.Set(g.y,-g.x),k=0<=box2d.b2Cross_V2_V2(g,e),g=box2d.b2Dot_V2_V2(this.m_normal0,box2d.b2Sub_V2_V2(this.m_centroidB,this.m_v0,box2d.b2Vec2.s_t0))),b&&((h=box2d.b2Sub_V2_V2(this.m_v3,this.m_v2,box2d.b2EPCollider.s_edge2)).Normalize(),this.m_normal2.Set(h.y,-h.x),l=0<box2d.b2Cross_V2_V2(e,h),h=box2d.b2Dot_V2_V2(this.m_normal2,box2d.b2Sub_V2_V2(this.m_centroidB,this.m_v2,box2d.b2Vec2.s_t0))),c&&b?k&&l?(this.m_front=0<=g||0<=f||0<=h)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal0),this.m_upperLimit.Copy(this.m_normal2)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg(),this.m_upperLimit.Copy(this.m_normal1).SelfNeg()):k?(this.m_front=0<=g||0<=f&&0<=h)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal0),this.m_upperLimit.Copy(this.m_normal1)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal2).SelfNeg(),this.m_upperLimit.Copy(this.m_normal1).SelfNeg()):l?(this.m_front=0<=h||0<=g&&0<=f)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1),this.m_upperLimit.Copy(this.m_normal2)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg(),this.m_upperLimit.Copy(this.m_normal0).SelfNeg()):(this.m_front=0<=g&&0<=f&&0<=h)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1),this.m_upperLimit.Copy(this.m_normal1)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal2).SelfNeg(),this.m_upperLimit.Copy(this.m_normal0).SelfNeg()):c?k?((this.m_front=0<=g||0<=f)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal0)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1)),this.m_upperLimit.Copy(this.m_normal1).SelfNeg()):(this.m_front=0<=g&&0<=f)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1),this.m_upperLimit.Copy(this.m_normal1).SelfNeg()):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1),this.m_upperLimit.Copy(this.m_normal0).SelfNeg()):b?l?(this.m_front=0<=f||0<=h)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg(),this.m_upperLimit.Copy(this.m_normal2)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg(),this.m_upperLimit.Copy(this.m_normal1)):((this.m_front=0<=f&&0<=h)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg()):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal2).SelfNeg()),this.m_upperLimit.Copy(this.m_normal1)):(this.m_front=0<=f)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg(),this.m_upperLimit.Copy(this.m_normal1).SelfNeg()):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1),this.m_upperLimit.Copy(this.m_normal1)),this.m_polygonB.count=d.m_count,f=0,g=d.m_count;f<g;++f)box2d.b2Mul_X_V2(this.m_xf,d.m_vertices[f],this.m_polygonB.vertices[f]),box2d.b2Mul_R_V2(this.m_xf.q,d.m_normals[f],this.m_polygonB.normals[f]);if(this.m_radius=2*box2d.b2_polygonRadius,a.pointCount=0,!((c=this.ComputeEdgeSeparation(box2d.b2EPCollider.s_edgeAxis)).type===box2d.b2EPAxisType.e_unknown||c.separation>this.m_radius||(b=this.ComputePolygonSeparation(box2d.b2EPCollider.s_polygonAxis),b.type!==box2d.b2EPAxisType.e_unknown&&b.separation>this.m_radius))){if(c=b.type===box2d.b2EPAxisType.e_unknown?c:b.separation>.98*c.separation+.001?b:c,e=box2d.b2EPCollider.s_ie,b=box2d.b2EPCollider.s_rf,c.type===box2d.b2EPAxisType.e_edgeA){for(a.type=box2d.b2ManifoldType.e_faceA,h=0,k=box2d.b2Dot_V2_V2(this.m_normal,this.m_polygonB.normals[0]),f=1,g=this.m_polygonB.count;f<g;++f)(l=box2d.b2Dot_V2_V2(this.m_normal,this.m_polygonB.normals[f]))<k&&(k=l,h=f);f=((g=h)+1)%this.m_polygonB.count,(h=e[0]).v.Copy(this.m_polygonB.vertices[g]),h.id.cf.indexA=0,h.id.cf.indexB=g,h.id.cf.typeA=box2d.b2ContactFeatureType.e_face,h.id.cf.typeB=box2d.b2ContactFeatureType.e_vertex,(g=e[1]).v.Copy(this.m_polygonB.vertices[f]),g.id.cf.indexA=0,g.id.cf.indexB=f,g.id.cf.typeA=box2d.b2ContactFeatureType.e_face,g.id.cf.typeB=box2d.b2ContactFeatureType.e_vertex,this.m_front?(b.i1=0,b.i2=1,b.v1.Copy(this.m_v1),b.v2.Copy(this.m_v2),b.normal.Copy(this.m_normal1)):(b.i1=1,b.i2=0,b.v1.Copy(this.m_v2),b.v2.Copy(this.m_v1),b.normal.Copy(this.m_normal1).SelfNeg())}else a.type=box2d.b2ManifoldType.e_faceB,(h=e[0]).v.Copy(this.m_v1),h.id.cf.indexA=0,h.id.cf.indexB=c.index,h.id.cf.typeA=box2d.b2ContactFeatureType.e_vertex,h.id.cf.typeB=box2d.b2ContactFeatureType.e_face,(g=e[1]).v.Copy(this.m_v2),g.id.cf.indexA=0,g.id.cf.indexB=c.index,g.id.cf.typeA=box2d.b2ContactFeatureType.e_vertex,g.id.cf.typeB=box2d.b2ContactFeatureType.e_face,b.i1=c.index,b.i2=(b.i1+1)%this.m_polygonB.count,b.v1.Copy(this.m_polygonB.vertices[b.i1]),b.v2.Copy(this.m_polygonB.vertices[b.i2]),b.normal.Copy(this.m_polygonB.normals[b.i1]);if(b.sideNormal1.Set(b.normal.y,-b.normal.x),b.sideNormal2.Copy(b.sideNormal1).SelfNeg(),b.sideOffset1=box2d.b2Dot_V2_V2(b.sideNormal1,b.v1),b.sideOffset2=box2d.b2Dot_V2_V2(b.sideNormal2,b.v2),f=box2d.b2EPCollider.s_clipPoints1,h=box2d.b2EPCollider.s_clipPoints2,g=0,!((g=box2d.b2ClipSegmentToLine(f,e,b.sideNormal1,b.sideOffset1,b.i1))<box2d.b2_maxManifoldPoints||(g=box2d.b2ClipSegmentToLine(h,f,b.sideNormal2,b.sideOffset2,b.i2),g<box2d.b2_maxManifoldPoints))){for(c.type===box2d.b2EPAxisType.e_edgeA?(a.localNormal.Copy(b.normal),a.localPoint.Copy(b.v1)):(a.localNormal.Copy(d.m_normals[b.i1]),a.localPoint.Copy(d.m_vertices[b.i1])),f=d=0,g=box2d.b2_maxManifoldPoints;f<g;++f)box2d.b2Dot_V2_V2(b.normal,box2d.b2Sub_V2_V2(h[f].v,b.v1,box2d.b2Vec2.s_t0))<=this.m_radius&&(e=a.points[d],c.type===box2d.b2EPAxisType.e_edgeA?(box2d.b2MulT_X_V2(this.m_xf,h[f].v,e.localPoint),e.id=h[f].id):(e.localPoint.Copy(h[f].v),e.id.cf.typeA=h[f].id.cf.typeB,e.id.cf.typeB=h[f].id.cf.typeA,e.id.cf.indexA=h[f].id.cf.indexB,e.id.cf.indexB=h[f].id.cf.indexA),++d);a.pointCount=d}}},goog.exportProperty(box2d.b2EPCollider.prototype,"Collide",box2d.b2EPCollider.prototype.Collide),box2d.b2EPCollider.s_edge1=new box2d.b2Vec2,box2d.b2EPCollider.s_edge0=new box2d.b2Vec2,box2d.b2EPCollider.s_edge2=new box2d.b2Vec2,box2d.b2EPCollider.s_ie=box2d.b2ClipVertex.MakeArray(2),box2d.b2EPCollider.s_rf=new box2d.b2ReferenceFace,box2d.b2EPCollider.s_clipPoints1=box2d.b2ClipVertex.MakeArray(2),box2d.b2EPCollider.s_clipPoints2=box2d.b2ClipVertex.MakeArray(2),box2d.b2EPCollider.s_edgeAxis=new box2d.b2EPAxis,box2d.b2EPCollider.s_polygonAxis=new box2d.b2EPAxis,box2d.b2EPCollider.prototype.ComputeEdgeSeparation=function(a){a.type=box2d.b2EPAxisType.e_edgeA,a.index=this.m_front?0:1,a.separation=box2d.b2_maxFloat;for(var b=0,c=this.m_polygonB.count;b<c;++b){var d=box2d.b2Dot_V2_V2(this.m_normal,box2d.b2Sub_V2_V2(this.m_polygonB.vertices[b],this.m_v1,box2d.b2Vec2.s_t0));d<a.separation&&(a.separation=d)}return a},goog.exportProperty(box2d.b2EPCollider.prototype,"ComputeEdgeSeparation",box2d.b2EPCollider.prototype.ComputeEdgeSeparation),box2d.b2EPCollider.prototype.ComputePolygonSeparation=function(a){a.type=box2d.b2EPAxisType.e_unknown,a.index=-1,a.separation=-box2d.b2_maxFloat;for(var b=box2d.b2EPCollider.s_perp.Set(-this.m_normal.y,this.m_normal.x),c=0,d=this.m_polygonB.count;c<d;++c){var e=box2d.b2EPCollider.s_n.Copy(this.m_polygonB.normals[c]).SelfNeg(),f=box2d.b2Dot_V2_V2(e,box2d.b2Sub_V2_V2(this.m_polygonB.vertices[c],this.m_v1,box2d.b2Vec2.s_t0)),g=box2d.b2Dot_V2_V2(e,box2d.b2Sub_V2_V2(this.m_polygonB.vertices[c],this.m_v2,box2d.b2Vec2.s_t0));if((f=box2d.b2Min(f,g))>this.m_radius){a.type=box2d.b2EPAxisType.e_edgeB,a.index=c,a.separation=f;break}if(0<=box2d.b2Dot_V2_V2(e,b)){if(box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(e,this.m_upperLimit,box2d.b2Vec2.s_t0),this.m_normal)<-box2d.b2_angularSlop)continue}else if(box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(e,this.m_lowerLimit,box2d.b2Vec2.s_t0),this.m_normal)<-box2d.b2_angularSlop)continue;f>a.separation&&(a.type=box2d.b2EPAxisType.e_edgeB,a.index=c,a.separation=f)}return a},goog.exportProperty(box2d.b2EPCollider.prototype,"ComputePolygonSeparation",box2d.b2EPCollider.prototype.ComputePolygonSeparation),box2d.b2EPCollider.s_n=new box2d.b2Vec2,box2d.b2EPCollider.s_perp=new box2d.b2Vec2,box2d.b2CollideEdgeAndPolygon=function(a,b,c,d,e){box2d.b2CollideEdgeAndPolygon.s_collider.Collide(a,b,c,d,e)},goog.exportSymbol("box2d.b2CollideEdgeAndPolygon",box2d.b2CollideEdgeAndPolygon),box2d.b2CollideEdgeAndPolygon.s_collider=new box2d.b2EPCollider,box2d.b2CollidePolygon={},box2d.b2FindMaxSeparation=function(a,b,c,d,e){var f=b.m_count,g=d.m_count,h=b.m_normals;b=b.m_vertices,d=d.m_vertices,c=box2d.b2MulT_X_X(e,c,box2d.b2FindMaxSeparation.s_xf),e=0;for(var k=-box2d.b2_maxFloat,l=0;l<f;++l){for(var m=box2d.b2Mul_R_V2(c.q,h[l],box2d.b2FindMaxSeparation.s_n),n=box2d.b2Mul_X_V2(c,b[l],box2d.b2FindMaxSeparation.s_v1),p=box2d.b2_maxFloat,q=0;q<g;++q){var r=box2d.b2Dot_V2_V2(m,box2d.b2Sub_V2_V2(d[q],n,box2d.b2Vec2.s_t0));r<p&&(p=r)}p>k&&(k=p,e=l)}return a[0]=e,k},goog.exportSymbol("box2d.b2FindMaxSeparation",box2d.b2FindMaxSeparation),box2d.b2FindMaxSeparation.s_xf=new box2d.b2Transform,box2d.b2FindMaxSeparation.s_n=new box2d.b2Vec2,box2d.b2FindMaxSeparation.s_v1=new box2d.b2Vec2,box2d.b2FindIncidentEdge=function(a,b,c,d,e,f){var g=b.m_count,h=b.m_normals,k=e.m_count;b=e.m_vertices,e=e.m_normals,box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=d&&d<g),c=box2d.b2MulT_R_V2(f.q,box2d.b2Mul_R_V2(c.q,h[d],box2d.b2Vec2.s_t0),box2d.b2FindIncidentEdge.s_normal1);g=0,h=box2d.b2_maxFloat;for(var l=0;l<k;++l){var m=box2d.b2Dot_V2_V2(c,e[l]);m<h&&(h=m,g=l)}k=((e=g)+1)%k,c=a[0],box2d.b2Mul_X_V2(f,b[e],c.v),(c=c.id.cf).indexA=d,c.indexB=e,c.typeA=box2d.b2ContactFeatureType.e_face,c.typeB=box2d.b2ContactFeatureType.e_vertex,a=a[1],box2d.b2Mul_X_V2(f,b[k],a.v),(f=a.id.cf).indexA=d,f.indexB=k,f.typeA=box2d.b2ContactFeatureType.e_face,f.typeB=box2d.b2ContactFeatureType.e_vertex},goog.exportSymbol("box2d.b2FindIncidentEdge",box2d.b2FindIncidentEdge),box2d.b2FindIncidentEdge.s_normal1=new box2d.b2Vec2,box2d.b2CollidePolygons=function(a,b,c,d,e){a.pointCount=0;var f=b.m_radius+d.m_radius;if(((g=box2d.b2CollidePolygons.s_edgeA)[0]=0,!((h=box2d.b2FindMaxSeparation(g,b,c,d,e))>f))&&((k=box2d.b2CollidePolygons.s_edgeB)[0]=0,!((l=box2d.b2FindMaxSeparation(k,d,e,b,c))>f))){var 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box2d.b2Shape.prototype.Copy.call(this,a),box2d.ENABLE_ASSERTS&&box2d.b2Assert(a instanceof box2d.b2CircleShape),this.m_p.Copy(a.m_p),this},goog.exportProperty(box2d.b2CircleShape.prototype,"Copy",box2d.b2CircleShape.prototype.Copy),box2d.b2CircleShape.prototype.GetChildCount=function(){return 1},goog.exportProperty(box2d.b2CircleShape.prototype,"GetChildCount",box2d.b2CircleShape.prototype.GetChildCount),box2d.b2CircleShape.prototype.TestPoint=function(a,b){var c=box2d.b2Mul_X_V2(a,this.m_p,box2d.b2CircleShape.prototype.TestPoint.s_center);c=box2d.b2Sub_V2_V2(b,c,box2d.b2CircleShape.prototype.TestPoint.s_d);return box2d.b2Dot_V2_V2(c,c)<=box2d.b2Sq(this.m_radius)},goog.exportProperty(box2d.b2CircleShape.prototype,"TestPoint",box2d.b2CircleShape.prototype.TestPoint),box2d.b2CircleShape.prototype.TestPoint.s_center=new box2d.b2Vec2,box2d.b2CircleShape.prototype.TestPoint.s_d=new box2d.b2Vec2,box2d.b2CircleShape.prototype.ComputeDistance=function(a,b,c,d){return a=box2d.b2Mul_X_V2(a,this.m_p,box2d.b2CircleShape.prototype.ComputeDistance.s_center),box2d.b2Sub_V2_V2(b,a,c),c.Normalize()-this.m_radius},goog.exportProperty(box2d.b2CircleShape.prototype,"ComputeDistance",box2d.b2CircleShape.prototype.ComputeDistance),box2d.b2CircleShape.prototype.ComputeDistance.s_center=new box2d.b2Vec2,box2d.b2CircleShape.prototype.RayCast=function(a,b,c,d){c=box2d.b2Mul_X_V2(c,this.m_p,box2d.b2CircleShape.prototype.RayCast.s_position),c=box2d.b2Sub_V2_V2(b.p1,c,box2d.b2CircleShape.prototype.RayCast.s_s);var e=box2d.b2Dot_V2_V2(c,c)-box2d.b2Sq(this.m_radius);d=box2d.b2Sub_V2_V2(b.p2,b.p1,box2d.b2CircleShape.prototype.RayCast.s_r);var f=box2d.b2Dot_V2_V2(c,d),g=box2d.b2Dot_V2_V2(d,d);return!(0>(e=f*f-g*e)||g<box2d.b2_epsilon)&&(0<=(f=-(f+box2d.b2Sqrt(e)))&&f<=b.maxFraction*g&&(f/=g,a.fraction=f,box2d.b2AddMul_V2_S_V2(c,f,d,a.normal).SelfNormalize(),!0))},goog.exportProperty(box2d.b2CircleShape.prototype,"RayCast",box2d.b2CircleShape.prototype.RayCast),box2d.b2CircleShape.prototype.RayCast.s_position=new box2d.b2Vec2,box2d.b2CircleShape.prototype.RayCast.s_s=new box2d.b2Vec2,box2d.b2CircleShape.prototype.RayCast.s_r=new box2d.b2Vec2,box2d.b2CircleShape.prototype.ComputeAABB=function(a,b,c){b=box2d.b2Mul_X_V2(b,this.m_p,box2d.b2CircleShape.prototype.ComputeAABB.s_p),a.lowerBound.Set(b.x-this.m_radius,b.y-this.m_radius),a.upperBound.Set(b.x+this.m_radius,b.y+this.m_radius)},goog.exportProperty(box2d.b2CircleShape.prototype,"ComputeAABB",box2d.b2CircleShape.prototype.ComputeAABB),box2d.b2CircleShape.prototype.ComputeAABB.s_p=new box2d.b2Vec2,box2d.b2CircleShape.prototype.ComputeMass=function(a,b){var c=box2d.b2Sq(this.m_radius);a.mass=b*box2d.b2_pi*c,a.center.Copy(this.m_p),a.I=a.mass*(.5*c+box2d.b2Dot_V2_V2(this.m_p,this.m_p))},goog.exportProperty(box2d.b2CircleShape.prototype,"ComputeMass",box2d.b2CircleShape.prototype.ComputeMass),box2d.b2CircleShape.prototype.SetupDistanceProxy=function(a,b){a.m_vertices=a.m_buffer,a.m_vertices[0].Copy(this.m_p),a.m_count=1,a.m_radius=this.m_radius},box2d.b2CircleShape.prototype.ComputeSubmergedArea=function(a,b,c,d){if(c=box2d.b2Mul_X_V2(c,this.m_p,new box2d.b2Vec2),(e=-(box2d.b2Dot_V2_V2(a,c)-b))<-this.m_radius+box2d.b2_epsilon)return 0;if(e>this.m_radius)return d.Copy(c),box2d.b2_pi*this.m_radius*this.m_radius;var f=e*e,e=(b=this.m_radius*this.m_radius)*(box2d.b2Asin(e/this.m_radius)+box2d.b2_pi/2)+e*box2d.b2Sqrt(b-f);return b=-2/3*box2d.b2Pow(b-f,1.5)/e,d.x=c.x+a.x*b,d.y=c.y+a.y*b,e},goog.exportProperty(box2d.b2CircleShape.prototype,"ComputeSubmergedArea",box2d.b2CircleShape.prototype.ComputeSubmergedArea),box2d.b2CircleShape.prototype.Dump=function(){box2d.b2Log("    /*box2d.b2CircleShape*/ var shape = new box2d.b2CircleShape();\n"),box2d.b2Log("    shape.m_radius = %.15f;\n",this.m_radius),box2d.b2Log("    shape.m_p.Set(%.15f, %.15f);\n",this.m_p.x,this.m_p.y)},goog.exportProperty(box2d.b2CircleShape.prototype,"Dump",box2d.b2CircleShape.prototype.Dump),box2d.b2EdgeShape=function(){box2d.b2Shape.call(this,box2d.b2ShapeType.e_edgeShape,box2d.b2_polygonRadius),this.m_vertex1=new box2d.b2Vec2,this.m_vertex2=new box2d.b2Vec2,this.m_vertex0=new box2d.b2Vec2,this.m_vertex3=new 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this.m_vertex1.Copy(a),this.m_vertex2.Copy(b),this.m_hasVertex3=this.m_hasVertex0=!1,this},goog.exportProperty(box2d.b2EdgeShape.prototype,"Set",box2d.b2EdgeShape.prototype.Set),box2d.b2EdgeShape.prototype.SetAsEdge=box2d.b2EdgeShape.prototype.Set,box2d.b2EdgeShape.prototype.Clone=function(){return(new box2d.b2EdgeShape).Copy(this)},goog.exportProperty(box2d.b2EdgeShape.prototype,"Clone",box2d.b2EdgeShape.prototype.Clone),box2d.b2EdgeShape.prototype.Copy=function(a){return box2d.b2Shape.prototype.Copy.call(this,a),box2d.ENABLE_ASSERTS&&box2d.b2Assert(a instanceof box2d.b2EdgeShape),this.m_vertex1.Copy(a.m_vertex1),this.m_vertex2.Copy(a.m_vertex2),this.m_vertex0.Copy(a.m_vertex0),this.m_vertex3.Copy(a.m_vertex3),this.m_hasVertex0=a.m_hasVertex0,this.m_hasVertex3=a.m_hasVertex3,this},goog.exportProperty(box2d.b2EdgeShape.prototype,"Copy",box2d.b2EdgeShape.prototype.Copy),box2d.b2EdgeShape.prototype.GetChildCount=function(){return 1},goog.exportProperty(box2d.b2EdgeShape.prototype,"GetChildCount",box2d.b2EdgeShape.prototype.GetChildCount),box2d.b2EdgeShape.prototype.TestPoint=function(a,b){return!1},goog.exportProperty(box2d.b2EdgeShape.prototype,"TestPoint",box2d.b2EdgeShape.prototype.TestPoint),box2d.b2EdgeShape.prototype.ComputeDistance=function(a,b,c,d){var e=box2d.b2Mul_X_V2(a,this.m_vertex1,box2d.b2EdgeShape.prototype.ComputeDistance.s_v1);a=box2d.b2Mul_X_V2(a,this.m_vertex2,box2d.b2EdgeShape.prototype.ComputeDistance.s_v2),d=box2d.b2Sub_V2_V2(b,e,box2d.b2EdgeShape.prototype.ComputeDistance.s_d);e=box2d.b2Sub_V2_V2(a,e,box2d.b2EdgeShape.prototype.ComputeDistance.s_s);var f=box2d.b2Dot_V2_V2(d,e);if(0<f){var g=box2d.b2Dot_V2_V2(e,e);f>g?box2d.b2Sub_V2_V2(b,a,d):d.SelfMulSub(f/g,e)}return c.Copy(d),c.Normalize()},goog.exportProperty(box2d.b2EdgeShape.prototype,"ComputeDistance",box2d.b2EdgeShape.prototype.ComputeDistance),box2d.b2EdgeShape.prototype.ComputeDistance.s_v1=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeDistance.s_v2=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeDistance.s_d=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeDistance.s_s=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast=function(a,b,c,d){var e=box2d.b2MulT_X_V2(c,b.p1,box2d.b2EdgeShape.prototype.RayCast.s_p1);d=box2d.b2MulT_X_V2(c,b.p2,box2d.b2EdgeShape.prototype.RayCast.s_p2);var f=box2d.b2Sub_V2_V2(d,e,box2d.b2EdgeShape.prototype.RayCast.s_d);d=this.m_vertex1;var g=this.m_vertex2,h=box2d.b2Sub_V2_V2(g,d,box2d.b2EdgeShape.prototype.RayCast.s_e),k=a.normal.Set(h.y,-h.x).SelfNormalize();h=box2d.b2Dot_V2_V2(k,box2d.b2Sub_V2_V2(d,e,box2d.b2Vec2.s_t0));return 0!==(k=box2d.b2Dot_V2_V2(k,f))&&(!(0>(k=h/k)||b.maxFraction<k)&&(b=box2d.b2AddMul_V2_S_V2(e,k,f,box2d.b2EdgeShape.prototype.RayCast.s_q),e=box2d.b2Sub_V2_V2(g,d,box2d.b2EdgeShape.prototype.RayCast.s_r),0!==(g=box2d.b2Dot_V2_V2(e,e))&&(!(0>(d=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(b,d,box2d.b2Vec2.s_t0),e)/g)||1<d)&&(a.fraction=k,box2d.b2Mul_R_V2(c.q,a.normal,a.normal),0<h&&a.normal.SelfNeg(),!0))))},goog.exportProperty(box2d.b2EdgeShape.prototype,"RayCast",box2d.b2EdgeShape.prototype.RayCast),box2d.b2EdgeShape.prototype.RayCast.s_p1=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast.s_p2=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast.s_d=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast.s_e=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast.s_q=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast.s_r=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeAABB=function(a,b,c){c=box2d.b2Mul_X_V2(b,this.m_vertex1,box2d.b2EdgeShape.prototype.ComputeAABB.s_v1),b=box2d.b2Mul_X_V2(b,this.m_vertex2,box2d.b2EdgeShape.prototype.ComputeAABB.s_v2),box2d.b2Min_V2_V2(c,b,a.lowerBound),box2d.b2Max_V2_V2(c,b,a.upperBound),b=this.m_radius,a.lowerBound.SelfSubXY(b,b),a.upperBound.SelfAddXY(b,b)},goog.exportProperty(box2d.b2EdgeShape.prototype,"ComputeAABB",box2d.b2EdgeShape.prototype.ComputeAABB),box2d.b2EdgeShape.prototype.ComputeAABB.s_v1=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeAABB.s_v2=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeMass=function(a,b){a.mass=0,box2d.b2Mid_V2_V2(this.m_vertex1,this.m_vertex2,a.center),a.I=0},goog.exportProperty(box2d.b2EdgeShape.prototype,"ComputeMass",box2d.b2EdgeShape.prototype.ComputeMass),box2d.b2EdgeShape.prototype.SetupDistanceProxy=function(a,b){a.m_vertices=a.m_buffer,a.m_vertices[0].Copy(this.m_vertex1),a.m_vertices[1].Copy(this.m_vertex2),a.m_count=2,a.m_radius=this.m_radius},box2d.b2EdgeShape.prototype.ComputeSubmergedArea=function(a,b,c,d){return d.SetZero(),0},goog.exportProperty(box2d.b2EdgeShape.prototype,"ComputeSubmergedArea",box2d.b2EdgeShape.prototype.ComputeSubmergedArea),box2d.b2EdgeShape.prototype.Dump=function(){box2d.b2Log("    /*box2d.b2EdgeShape*/ var shape = new box2d.b2EdgeShape();\n"),box2d.b2Log("    shape.m_radius = %.15f;\n",this.m_radius),box2d.b2Log("    shape.m_vertex0.Set(%.15f, %.15f);\n",this.m_vertex0.x,this.m_vertex0.y),box2d.b2Log("    shape.m_vertex1.Set(%.15f, %.15f);\n",this.m_vertex1.x,this.m_vertex1.y),box2d.b2Log("    shape.m_vertex2.Set(%.15f, %.15f);\n",this.m_vertex2.x,this.m_vertex2.y),box2d.b2Log("    shape.m_vertex3.Set(%.15f, %.15f);\n",this.m_vertex3.x,this.m_vertex3.y),box2d.b2Log("    shape.m_hasVertex0 = %s;\n",this.m_hasVertex0),box2d.b2Log("    shape.m_hasVertex3 = %s;\n",this.m_hasVertex3)},goog.exportProperty(box2d.b2EdgeShape.prototype,"Dump",box2d.b2EdgeShape.prototype.Dump),box2d.b2ChainShape=function(){box2d.b2Shape.call(this,box2d.b2ShapeType.e_chainShape,box2d.b2_polygonRadius),this.m_prevVertex=new box2d.b2Vec2,this.m_nextVertex=new box2d.b2Vec2},goog.inherits(box2d.b2ChainShape,box2d.b2Shape),goog.exportSymbol("box2d.b2ChainShape",box2d.b2ChainShape),box2d.b2ChainShape.prototype.m_vertices=null,goog.exportProperty(box2d.b2ChainShape.prototype,"m_vertices",box2d.b2ChainShape.prototype.m_vertices),box2d.b2ChainShape.prototype.m_count=0,goog.exportProperty(box2d.b2ChainShape.prototype,"m_count",box2d.b2ChainShape.prototype.m_count),box2d.b2ChainShape.prototype.m_prevVertex=null,goog.exportProperty(box2d.b2ChainShape.prototype,"m_prevVertex",box2d.b2ChainShape.prototype.m_prevVertex),box2d.b2ChainShape.prototype.m_nextVertex=null,goog.exportProperty(box2d.b2ChainShape.prototype,"m_nextVertex",box2d.b2ChainShape.prototype.m_nextVertex),box2d.b2ChainShape.prototype.m_hasPrevVertex=!1,goog.exportProperty(box2d.b2ChainShape.prototype,"m_hasPrevVertex",box2d.b2ChainShape.prototype.m_hasPrevVertex),box2d.b2ChainShape.prototype.m_hasNextVertex=!1,goog.exportProperty(box2d.b2ChainShape.prototype,"m_hasNextVertex",box2d.b2ChainShape.prototype.m_hasNextVertex),box2d.b2ChainShape.prototype.Clear=function(){this.m_vertices=null,this.m_count=0},goog.exportProperty(box2d.b2ChainShape.prototype,"Clear",box2d.b2ChainShape.prototype.Clear),box2d.b2ChainShape.prototype.CreateLoop=function(a,b){if(b=b||a.length,box2d.ENABLE_ASSERTS&&box2d.b2Assert(null===this.m_vertices&&0===this.m_count),box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=b),box2d.ENABLE_ASSERTS)for(var c=1;c<b;++c)box2d.b2Assert(box2d.b2DistanceSquared(a[c-1],a[c])>box2d.b2_linearSlop*box2d.b2_linearSlop);for(this.m_count=b+1,this.m_vertices=box2d.b2Vec2.MakeArray(this.m_count),c=0;c<b;++c)this.m_vertices[c].Copy(a[c]);return this.m_vertices[b].Copy(this.m_vertices[0]),this.m_prevVertex.Copy(this.m_vertices[this.m_count-2]),this.m_nextVertex.Copy(this.m_vertices[1]),this.m_hasNextVertex=this.m_hasPrevVertex=!0,this},goog.exportProperty(box2d.b2ChainShape.prototype,"CreateLoop",box2d.b2ChainShape.prototype.CreateLoop),box2d.b2ChainShape.prototype.CreateChain=function(a,b){if(b=b||a.length,box2d.ENABLE_ASSERTS&&box2d.b2Assert(null===this.m_vertices&&0===this.m_count),box2d.ENABLE_ASSERTS&&box2d.b2Assert(2<=b),box2d.ENABLE_ASSERTS)for(var c=1;c<b;++c)box2d.b2Assert(box2d.b2DistanceSquared(a[c-1],a[c])>box2d.b2_linearSlop*box2d.b2_linearSlop);for(this.m_count=b,this.m_vertices=box2d.b2Vec2.MakeArray(b),c=0;c<b;++c)this.m_vertices[c].Copy(a[c]);return this.m_hasNextVertex=this.m_hasPrevVertex=!1,this.m_prevVertex.SetZero(),this.m_nextVertex.SetZero(),this},goog.exportProperty(box2d.b2ChainShape.prototype,"CreateChain",box2d.b2ChainShape.prototype.CreateChain),box2d.b2ChainShape.prototype.SetPrevVertex=function(a){return this.m_prevVertex.Copy(a),this.m_hasPrevVertex=!0,this},goog.exportProperty(box2d.b2ChainShape.prototype,"SetPrevVertex",box2d.b2ChainShape.prototype.SetPrevVertex),box2d.b2ChainShape.prototype.SetNextVertex=function(a){return this.m_nextVertex.Copy(a),this.m_hasNextVertex=!0,this},goog.exportProperty(box2d.b2ChainShape.prototype,"SetNextVertex",box2d.b2ChainShape.prototype.SetNextVertex),box2d.b2ChainShape.prototype.Clone=function(){return(new box2d.b2ChainShape).Copy(this)},goog.exportProperty(box2d.b2ChainShape.prototype,"Clone",box2d.b2ChainShape.prototype.Clone),box2d.b2ChainShape.prototype.Copy=function(a){return box2d.b2Shape.prototype.Copy.call(this,a),box2d.ENABLE_ASSERTS&&box2d.b2Assert(a instanceof box2d.b2ChainShape),this.CreateChain(a.m_vertices,a.m_count),this.m_prevVertex.Copy(a.m_prevVertex),this.m_nextVertex.Copy(a.m_nextVertex),this.m_hasPrevVertex=a.m_hasPrevVertex,this.m_hasNextVertex=a.m_hasNextVertex,this},goog.exportProperty(box2d.b2ChainShape.prototype,"Copy",box2d.b2ChainShape.prototype.Copy),box2d.b2ChainShape.prototype.GetChildCount=function(){return this.m_count-1},goog.exportProperty(box2d.b2ChainShape.prototype,"GetChildCount",box2d.b2ChainShape.prototype.GetChildCount),box2d.b2ChainShape.prototype.GetChildEdge=function(a,b){box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=b&&b<this.m_count-1),a.m_type=box2d.b2ShapeType.e_edgeShape,a.m_radius=this.m_radius,a.m_vertex1.Copy(this.m_vertices[b]),a.m_vertex2.Copy(this.m_vertices[b+1]),0<b?(a.m_vertex0.Copy(this.m_vertices[b-1]),a.m_hasVertex0=!0):(a.m_vertex0.Copy(this.m_prevVertex),a.m_hasVertex0=this.m_hasPrevVertex),b<this.m_count-2?(a.m_vertex3.Copy(this.m_vertices[b+2]),a.m_hasVertex3=!0):(a.m_vertex3.Copy(this.m_nextVertex),a.m_hasVertex3=this.m_hasNextVertex)},goog.exportProperty(box2d.b2ChainShape.prototype,"GetChildEdge",box2d.b2ChainShape.prototype.GetChildEdge),box2d.b2ChainShape.prototype.TestPoint=function(a,b){return!1},goog.exportProperty(box2d.b2ChainShape.prototype,"TestPoint",box2d.b2ChainShape.prototype.TestPoint),box2d.b2ChainShape.prototype.ComputeDistance=function(a,b,c,d){var e=box2d.b2ChainShape.prototype.ComputeDistance.s_edgeShape;return this.GetChildEdge(e,d),e.ComputeDistance(a,b,c,0)},goog.exportProperty(box2d.b2ChainShape.prototype,"ComputeDistance",box2d.b2ChainShape.prototype.ComputeDistance),box2d.b2ChainShape.prototype.ComputeDistance.s_edgeShape=new box2d.b2EdgeShape,box2d.b2ChainShape.prototype.RayCast=function(a,b,c,d){box2d.ENABLE_ASSERTS&&box2d.b2Assert(d<this.m_count);var e=box2d.b2ChainShape.prototype.RayCast.s_edgeShape;return e.m_vertex1.Copy(this.m_vertices[d]),e.m_vertex2.Copy(this.m_vertices[(d+1)%this.m_count]),e.RayCast(a,b,c,0)},goog.exportProperty(box2d.b2ChainShape.prototype,"RayCast",box2d.b2ChainShape.prototype.RayCast),box2d.b2ChainShape.prototype.RayCast.s_edgeShape=new box2d.b2EdgeShape,box2d.b2ChainShape.prototype.ComputeAABB=function(a,b,c){box2d.ENABLE_ASSERTS&&box2d.b2Assert(c<this.m_count);var d=this.m_vertices[(c+1)%this.m_count];c=box2d.b2Mul_X_V2(b,this.m_vertices[c],box2d.b2ChainShape.prototype.ComputeAABB.s_v1),b=box2d.b2Mul_X_V2(b,d,box2d.b2ChainShape.prototype.ComputeAABB.s_v2),box2d.b2Min_V2_V2(c,b,a.lowerBound),box2d.b2Max_V2_V2(c,b,a.upperBound)},goog.exportProperty(box2d.b2ChainShape.prototype,"ComputeAABB",box2d.b2ChainShape.prototype.ComputeAABB),box2d.b2ChainShape.prototype.ComputeAABB.s_v1=new box2d.b2Vec2,goog.exportProperty(box2d.b2ChainShape.prototype.ComputeAABB,"s_v1",box2d.b2ChainShape.prototype.ComputeAABB.s_v1),box2d.b2ChainShape.prototype.ComputeAABB.s_v2=new box2d.b2Vec2,goog.exportProperty(box2d.b2ChainShape.prototype.ComputeAABB,"s_v2",box2d.b2ChainShape.prototype.ComputeAABB.s_v2),box2d.b2ChainShape.prototype.ComputeMass=function(a,b){a.mass=0,a.center.SetZero(),a.I=0},goog.exportProperty(box2d.b2ChainShape.prototype,"ComputeMass",box2d.b2ChainShape.prototype.ComputeMass),box2d.b2ChainShape.prototype.SetupDistanceProxy=function(a,b){box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=b&&b<this.m_count),a.m_buffer[0].Copy(this.m_vertices[b]),b+1<this.m_count?a.m_buffer[1].Copy(this.m_vertices[b+1]):a.m_buffer[1].Copy(this.m_vertices[0]),a.m_vertices=a.m_buffer,a.m_count=2,a.m_radius=this.m_radius},box2d.b2ChainShape.prototype.ComputeSubmergedArea=function(a,b,c,d){return d.SetZero(),0},goog.exportProperty(box2d.b2ChainShape.prototype,"ComputeSubmergedArea",box2d.b2ChainShape.prototype.ComputeSubmergedArea),box2d.b2ChainShape.prototype.Dump=function(){box2d.b2Log("    /*box2d.b2ChainShape*/ var shape = new box2d.b2ChainShape();\n"),box2d.b2Log("    /*box2d.b2Vec2[]*/ var vs = box2d.b2Vec2.MakeArray(%d);\n",box2d.b2_maxPolygonVertices);for(var a=0;a<this.m_count;++a)box2d.b2Log("    vs[%d].Set(%.15f, %.15f);\n",a,this.m_vertices[a].x,this.m_vertices[a].y);box2d.b2Log("    shape.CreateChain(vs, %d);\n",this.m_count),box2d.b2Log("    shape.m_prevVertex.Set(%.15f, %.15f);\n",this.m_prevVertex.x,this.m_prevVertex.y),box2d.b2Log("    shape.m_nextVertex.Set(%.15f, %.15f);\n",this.m_nextVertex.x,this.m_nextVertex.y),box2d.b2Log("    shape.m_hasPrevVertex = %s;\n",this.m_hasPrevVertex?"true":"false"),box2d.b2Log("    shape.m_hasNextVertex = %s;\n",this.m_hasNextVertex?"true":"false")},goog.exportProperty(box2d.b2ChainShape.prototype,"Dump",box2d.b2ChainShape.prototype.Dump),box2d.b2PolygonShape=function(){box2d.b2Shape.call(this,box2d.b2ShapeType.e_polygonShape,box2d.b2_polygonRadius),this.m_centroid=new box2d.b2Vec2(0,0),this.m_vertices=box2d.b2Vec2.MakeArray(box2d.b2_maxPolygonVertices),this.m_normals=box2d.b2Vec2.MakeArray(box2d.b2_maxPolygonVertices)},goog.inherits(box2d.b2PolygonShape,box2d.b2Shape),goog.exportSymbol("box2d.b2PolygonShape",box2d.b2PolygonShape),box2d.b2PolygonShape.prototype.m_centroid=null,goog.exportProperty(box2d.b2PolygonShape.prototype,"m_centroid",box2d.b2PolygonShape.prototype.m_centroid),box2d.b2PolygonShape.prototype.m_vertices=null,goog.exportProperty(box2d.b2PolygonShape.prototype,"m_vertices",box2d.b2PolygonShape.prototype.m_vertices),box2d.b2PolygonShape.prototype.m_normals=null,goog.exportProperty(box2d.b2PolygonShape.prototype,"m_normals",box2d.b2PolygonShape.prototype.m_normals),box2d.b2PolygonShape.prototype.m_count=0,goog.exportProperty(box2d.b2PolygonShape.prototype,"m_count",box2d.b2PolygonShape.prototype.m_count),box2d.b2PolygonShape.prototype.Clone=function(){return(new box2d.b2PolygonShape).Copy(this)},goog.exportProperty(box2d.b2PolygonShape.prototype,"Clone",box2d.b2PolygonShape.prototype.Clone),box2d.b2PolygonShape.prototype.Copy=function(a){box2d.b2Shape.prototype.Copy.call(this,a),box2d.ENABLE_ASSERTS&&box2d.b2Assert(a instanceof box2d.b2PolygonShape),this.m_centroid.Copy(a.m_centroid),this.m_count=a.m_count;for(var b=0,c=this.m_count;b<c;++b)this.m_vertices[b].Copy(a.m_vertices[b]),this.m_normals[b].Copy(a.m_normals[b]);return this},goog.exportProperty(box2d.b2PolygonShape.prototype,"Copy",box2d.b2PolygonShape.prototype.Copy),box2d.b2PolygonShape.prototype.SetAsBox=function(a,b,c,d){if(this.m_count=4,this.m_vertices[0].Set(-a,-b),this.m_vertices[1].Set(a,-b),this.m_vertices[2].Set(a,b),this.m_vertices[3].Set(-a,b),this.m_normals[0].Set(0,-1),this.m_normals[1].Set(1,0),this.m_normals[2].Set(0,1),this.m_normals[3].Set(-1,0),this.m_centroid.SetZero(),c instanceof box2d.b2Vec2)for(d="number"==typeof d?d:0,this.m_centroid.Copy(c),(a=new box2d.b2Transform).SetPosition(c),a.SetRotationAngle(d),c=0,d=this.m_count;c<d;++c)box2d.b2Mul_X_V2(a,this.m_vertices[c],this.m_vertices[c]),box2d.b2Mul_R_V2(a.q,this.m_normals[c],this.m_normals[c]);return this},goog.exportProperty(box2d.b2PolygonShape.prototype,"SetAsBox",box2d.b2PolygonShape.prototype.SetAsBox),box2d.b2PolygonShape.prototype.Set=function(a,b,c){if(b="number"==typeof b?b:a.length,c="number"==typeof c?c:0,box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=b&&b<=box2d.b2_maxPolygonVertices),3>b)return this.SetAsBox(1,1);b=box2d.b2Min(b,box2d.b2_maxPolygonVertices);for(var d=box2d.b2PolygonShape.prototype.Set.s_ps,e=0,f=0;f<b;++f){for(var g=a[c+f],h=!0,k=0;k<e;++k)if(box2d.b2DistanceSquared(g,d[k])<.25*box2d.b2_linearSlop*box2d.b2_linearSlop){h=!1;break}h&&d[e++].Copy(g)}if(3>(b=e))return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),this.SetAsBox(1,1);for(a=0,g=d[0].x,f=1;f<b;++f)((k=d[f].x)>g||k===g&&d[f].y<d[a].y)&&(a=f,g=k);for(e=box2d.b2PolygonShape.prototype.Set.s_hull,c=0,f=a;;){for(e[c]=f,h=0,k=1;k<b;++k)if(h===f)h=k;else{var l=box2d.b2Sub_V2_V2(d[h],d[e[c]],box2d.b2PolygonShape.prototype.Set.s_r),m=(g=box2d.b2Sub_V2_V2(d[k],d[e[c]],box2d.b2PolygonShape.prototype.Set.s_v),box2d.b2Cross_V2_V2(l,g));0>m&&(h=k),0===m&&g.LengthSquared()>l.LengthSquared()&&(h=k)}if(++c,f=h,h===a)break}if(3>c)return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),this.SetAsBox(1,1);for(this.m_count=c,f=0;f<c;++f)this.m_vertices[f].Copy(d[e[f]]);for(f=0,b=c;f<b;++f)d=box2d.b2Sub_V2_V2(this.m_vertices[(f+1)%b],this.m_vertices[f],box2d.b2Vec2.s_t0),box2d.ENABLE_ASSERTS&&box2d.b2Assert(d.LengthSquared()>box2d.b2_epsilon_sq),box2d.b2Cross_V2_S(d,1,this.m_normals[f]).SelfNormalize();return box2d.b2PolygonShape.ComputeCentroid(this.m_vertices,c,this.m_centroid),this},goog.exportProperty(box2d.b2PolygonShape.prototype,"Set",box2d.b2PolygonShape.prototype.Set),box2d.b2PolygonShape.prototype.Set.s_ps=box2d.b2Vec2.MakeArray(box2d.b2_maxPolygonVertices),box2d.b2PolygonShape.prototype.Set.s_hull=box2d.b2MakeNumberArray(box2d.b2_maxPolygonVertices),box2d.b2PolygonShape.prototype.Set.s_r=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.Set.s_v=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.GetChildCount=function(){return 1},goog.exportProperty(box2d.b2PolygonShape.prototype,"GetChildCount",box2d.b2PolygonShape.prototype.GetChildCount),box2d.b2PolygonShape.prototype.TestPoint=function(a,b){for(var c=box2d.b2MulT_X_V2(a,b,box2d.b2PolygonShape.prototype.TestPoint.s_pLocal),d=0,e=this.m_count;d<e;++d)if(0<box2d.b2Dot_V2_V2(this.m_normals[d],box2d.b2Sub_V2_V2(c,this.m_vertices[d],box2d.b2Vec2.s_t0)))return!1;return!0},goog.exportProperty(box2d.b2PolygonShape.prototype,"TestPoint",box2d.b2PolygonShape.prototype.TestPoint),box2d.b2PolygonShape.prototype.TestPoint.s_pLocal=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeDistance=function(a,b,c,d){b=box2d.b2MulT_X_V2(a,b,box2d.b2PolygonShape.prototype.ComputeDistance.s_pLocal);var e=-box2d.b2_maxFloat,f=box2d.b2PolygonShape.prototype.ComputeDistance.s_normalForMaxDistance.Copy(b);for(d=0;d<this.m_count;++d){(g=box2d.b2Dot_V2_V2(this.m_normals[d],box2d.b2Sub_V2_V2(b,this.m_vertices[d],box2d.b2Vec2.s_t0)))>e&&(e=g,f.Copy(this.m_normals[d]))}if(0<e){for(f=box2d.b2PolygonShape.prototype.ComputeDistance.s_minDistance.Copy(f),e*=e,d=0;d<this.m_count;++d){var g,h=(g=box2d.b2Sub_V2_V2(b,this.m_vertices[d],box2d.b2PolygonShape.prototype.ComputeDistance.s_distance)).LengthSquared();e>h&&(f.Copy(g),e=h)}return box2d.b2Mul_R_V2(a.q,f,c),c.Normalize(),Math.sqrt(e)}return box2d.b2Mul_R_V2(a.q,f,c),e},goog.exportProperty(box2d.b2PolygonShape.prototype,"ComputeDistance",box2d.b2PolygonShape.prototype.ComputeDistance),box2d.b2PolygonShape.prototype.ComputeDistance.s_pLocal=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeDistance.s_normalForMaxDistance=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeDistance.s_minDistance=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeDistance.s_distance=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.RayCast=function(a,b,c,d){d=box2d.b2MulT_X_V2(c,b.p1,box2d.b2PolygonShape.prototype.RayCast.s_p1);for(var e=box2d.b2MulT_X_V2(c,b.p2,box2d.b2PolygonShape.prototype.RayCast.s_p2),f=(e=box2d.b2Sub_V2_V2(e,d,box2d.b2PolygonShape.prototype.RayCast.s_d),0),g=b.maxFraction,h=-1,k=0,l=this.m_count;k<l;++k){var m=box2d.b2Dot_V2_V2(this.m_normals[k],box2d.b2Sub_V2_V2(this.m_vertices[k],d,box2d.b2Vec2.s_t0)),n=box2d.b2Dot_V2_V2(this.m_normals[k],e);if(0===n){if(0>m)return!1}else 0>n&&m<f*n?(f=m/n,h=k):0<n&&m<g*n&&(g=m/n);if(g<f)return!1}return box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=f&&f<=b.maxFraction),0<=h&&(a.fraction=f,box2d.b2Mul_R_V2(c.q,this.m_normals[h],a.normal),!0)},goog.exportProperty(box2d.b2PolygonShape.prototype,"RayCast",box2d.b2PolygonShape.prototype.RayCast),box2d.b2PolygonShape.prototype.RayCast.s_p1=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.RayCast.s_p2=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.RayCast.s_d=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeAABB=function(a,b,c){c=box2d.b2Mul_X_V2(b,this.m_vertices[0],a.lowerBound),a=a.upperBound.Copy(c);for(var d=0,e=this.m_count;d<e;++d){var f=box2d.b2Mul_X_V2(b,this.m_vertices[d],box2d.b2PolygonShape.prototype.ComputeAABB.s_v);box2d.b2Min_V2_V2(f,c,c),box2d.b2Max_V2_V2(f,a,a)}b=this.m_radius,c.SelfSubXY(b,b),a.SelfAddXY(b,b)},goog.exportProperty(box2d.b2PolygonShape.prototype,"ComputeAABB",box2d.b2PolygonShape.prototype.ComputeAABB),box2d.b2PolygonShape.prototype.ComputeAABB.s_v=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeMass=function(a,b){box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=this.m_count);for(var c=box2d.b2PolygonShape.prototype.ComputeMass.s_center.SetZero(),d=0,e=0,f=box2d.b2PolygonShape.prototype.ComputeMass.s_s.SetZero(),g=0,h=this.m_count;g<h;++g)f.SelfAdd(this.m_vertices[g]);f.SelfMul(1/this.m_count);for(g=0,h=this.m_count;g<h;++g){var l=box2d.b2Sub_V2_V2(this.m_vertices[g],f,box2d.b2PolygonShape.prototype.ComputeMass.s_e1),m=box2d.b2Sub_V2_V2(this.m_vertices[(g+1)%h],f,box2d.b2PolygonShape.prototype.ComputeMass.s_e2),n=box2d.b2Cross_V2_V2(l,m);d=d+(p=.5*n);c.SelfAdd(box2d.b2Mul_S_V2(p*(1/3),box2d.b2Add_V2_V2(l,m,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t1));var p=l.x,q=(l=l.y,m.x);e=e+1/3*.25*n*(p*p+q*p+q*q+(l*l+(m=m.y)*l+m*m))}a.mass=b*d,box2d.ENABLE_ASSERTS&&box2d.b2Assert(d>box2d.b2_epsilon),c.SelfMul(1/d),box2d.b2Add_V2_V2(c,f,a.center),a.I=b*e,a.I+=a.mass*(box2d.b2Dot_V2_V2(a.center,a.center)-box2d.b2Dot_V2_V2(c,c))},goog.exportProperty(box2d.b2PolygonShape.prototype,"ComputeMass",box2d.b2PolygonShape.prototype.ComputeMass),box2d.b2PolygonShape.prototype.ComputeMass.s_center=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeMass.s_s=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeMass.s_e1=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeMass.s_e2=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.Validate=function(){for(var a=0;a<this.m_count;++a)for(var b=a,c=(a+1)%this.m_count,d=this.m_vertices[b],e=box2d.b2Sub_V2_V2(this.m_vertices[c],d,box2d.b2PolygonShape.prototype.Validate.s_e),f=0;f<this.m_count;++f)if(f!==b&&f!==c){var g=box2d.b2Sub_V2_V2(this.m_vertices[f],d,box2d.b2PolygonShape.prototype.Validate.s_v);if(0>box2d.b2Cross_V2_V2(e,g))return!1}return!0},goog.exportProperty(box2d.b2PolygonShape.prototype,"Validate",box2d.b2PolygonShape.prototype.Validate),box2d.b2PolygonShape.prototype.Validate.s_e=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.Validate.s_v=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.SetupDistanceProxy=function(a,b){a.m_vertices=this.m_vertices,a.m_count=this.m_count,a.m_radius=this.m_radius},box2d.b2PolygonShape.prototype.ComputeSubmergedArea=function(a,b,c,d){var e=box2d.b2MulT_R_V2(c.q,a,box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_normalL),f=b-box2d.b2Dot_V2_V2(a,c.p),g=box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_depths,h=0,k=-1;b=-1;var l=!1;a=0;for(var m=this.m_count;a<m;++a){g[a]=box2d.b2Dot_V2_V2(e,this.m_vertices[a])-f;var n=g[a]<-box2d.b2_epsilon;0<a&&(n?l||(k=a-1,h++):l&&(b=a-1,h++)),l=n}switch(h){case 0:return l?(a=box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_md,this.ComputeMass(a,1),box2d.b2Mul_X_V2(c,a.center,d),a.mass):0;case 1:-1===k?k=this.m_count-1:b=this.m_count-1}for(a=(k+1)%this.m_count,e=(b+1)%this.m_count,f=(0-g[k])/(g[a]-g[k]),g=(0-g[b])/(g[e]-g[b]),k=box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_intoVec.Set(this.m_vertices[k].x*(1-f)+this.m_vertices[a].x*f,this.m_vertices[k].y*(1-f)+this.m_vertices[a].y*f),b=box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_outoVec.Set(this.m_vertices[b].x*(1-g)+this.m_vertices[e].x*g,this.m_vertices[b].y*(1-g)+this.m_vertices[e].y*g),g=0,f=box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_center.SetZero(),h=this.m_vertices[a],l=null;a!==e;)l=(a=(a+1)%this.m_count)===e?b:this.m_vertices[a],g+=m=.5*((h.x-k.x)*(l.y-k.y)-(h.y-k.y)*(l.x-k.x)),f.x+=m*(k.x+h.x+l.x)/3,f.y+=m*(k.y+h.y+l.y)/3,h=l;return f.SelfMul(1/g),box2d.b2Mul_X_V2(c,f,d),g},goog.exportProperty(box2d.b2PolygonShape.prototype,"ComputeSubmergedArea",box2d.b2PolygonShape.prototype.ComputeSubmergedArea),box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_normalL=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_depths=box2d.b2MakeNumberArray(box2d.b2_maxPolygonVertices),box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_md=new box2d.b2MassData,box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_intoVec=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_outoVec=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_center=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.Dump=function(){box2d.b2Log("    /*box2d.b2PolygonShape*/ var shape = new box2d.b2PolygonShape();\n"),box2d.b2Log("    /*box2d.b2Vec2[]*/ var vs = box2d.b2Vec2.MakeArray(%d);\n",box2d.b2_maxPolygonVertices);for(var a=0;a<this.m_count;++a)box2d.b2Log("    vs[%d].Set(%.15f, %.15f);\n",a,this.m_vertices[a].x,this.m_vertices[a].y);box2d.b2Log("    shape.Set(vs, %d);\n",this.m_count)},goog.exportProperty(box2d.b2PolygonShape.prototype,"Dump",box2d.b2PolygonShape.prototype.Dump),box2d.b2PolygonShape.ComputeCentroid=function(a,b,c){box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=b),c.SetZero();for(var d=0,e=box2d.b2PolygonShape.ComputeCentroid.s_pRef.SetZero(),g=0;g<b;++g){var h=e,k=a[g],l=a[(g+1)%b],m=box2d.b2Sub_V2_V2(k,h,box2d.b2PolygonShape.ComputeCentroid.s_e1),n=box2d.b2Sub_V2_V2(l,h,box2d.b2PolygonShape.ComputeCentroid.s_e2);d=d+(m=.5*box2d.b2Cross_V2_V2(m,n));c.x+=m*(1/3)*(h.x+k.x+l.x),c.y+=m*(1/3)*(h.y+k.y+l.y)}return box2d.ENABLE_ASSERTS&&box2d.b2Assert(d>box2d.b2_epsilon),c.SelfMul(1/d),c},goog.exportProperty(box2d.b2PolygonShape,"ComputeCentroid",box2d.b2PolygonShape.ComputeCentroid),box2d.b2PolygonShape.ComputeCentroid.s_pRef=new box2d.b2Vec2,box2d.b2PolygonShape.ComputeCentroid.s_e1=new box2d.b2Vec2,box2d.b2PolygonShape.ComputeCentroid.s_e2=new box2d.b2Vec2,box2d.b2Timer=function(){this.m_start=(new Date).getTime()},goog.exportSymbol("box2d.b2Timer",box2d.b2Timer),box2d.b2Timer.prototype.m_start=0,goog.exportProperty(box2d.b2Timer.prototype,"m_start",box2d.b2Timer.prototype.m_start),box2d.b2Timer.prototype.Reset=function(){return this.m_start=(new Date).getTime(),this},goog.exportProperty(box2d.b2Timer.prototype,"Reset",box2d.b2Timer.prototype.Reset),box2d.b2Timer.prototype.GetMilliseconds=function(){return(new Date).getTime()-this.m_start},goog.exportProperty(box2d.b2Timer.prototype,"GetMilliseconds",box2d.b2Timer.prototype.GetMilliseconds),box2d.b2Counter=function(){},goog.exportSymbol("box2d.b2Counter",box2d.b2Counter),box2d.b2Counter.prototype.m_count=0,goog.exportProperty(box2d.b2Counter.prototype,"m_count",box2d.b2Counter.prototype.m_count),box2d.b2Counter.prototype.m_min_count=0,goog.exportProperty(box2d.b2Counter.prototype,"m_min_count",box2d.b2Counter.prototype.m_min_count),box2d.b2Counter.prototype.m_max_count=0,goog.exportProperty(box2d.b2Counter.prototype,"m_max_count",box2d.b2Counter.prototype.m_max_count),box2d.b2Counter.prototype.GetCount=function(){return this.m_count},goog.exportProperty(box2d.b2Counter.prototype,"GetCount",box2d.b2Counter.prototype.GetCount),box2d.b2Counter.prototype.GetMinCount=function(){return this.m_min_count},goog.exportProperty(box2d.b2Counter.prototype,"GetMinCount",box2d.b2Counter.prototype.GetMinCount),box2d.b2Counter.prototype.GetMaxCount=function(){return this.m_max_count},goog.exportProperty(box2d.b2Counter.prototype,"GetMaxCount",box2d.b2Counter.prototype.GetMaxCount),box2d.b2Counter.prototype.ResetCount=function(){var a=this.m_count;return this.m_count=0,a},goog.exportProperty(box2d.b2Counter.prototype,"ResetCount",box2d.b2Counter.prototype.ResetCount),box2d.b2Counter.prototype.ResetMinCount=function(){this.m_min_count=0},goog.exportProperty(box2d.b2Counter.prototype,"ResetMinCount",box2d.b2Counter.prototype.ResetMinCount),box2d.b2Counter.prototype.ResetMaxCount=function(){this.m_max_count=0},goog.exportProperty(box2d.b2Counter.prototype,"ResetMaxCount",box2d.b2Counter.prototype.ResetMaxCount),box2d.b2Counter.prototype.Increment=function(){this.m_count++,this.m_max_count<this.m_count&&(this.m_max_count=this.m_count)},goog.exportProperty(box2d.b2Counter.prototype,"Increment",box2d.b2Counter.prototype.Increment),box2d.b2Counter.prototype.Decrement=function(){this.m_count--,this.m_min_count>this.m_count&&(this.m_min_count=this.m_count)},goog.exportProperty(box2d.b2Counter.prototype,"Decrement",box2d.b2Counter.prototype.Decrement),box2d.b2_toiTime=0,goog.exportSymbol("box2d.b2_toiTime",box2d.b2_toiTime),box2d.b2_toiMaxTime=0,goog.exportSymbol("box2d.b2_toiMaxTime",box2d.b2_toiMaxTime),box2d.b2_toiCalls=0,goog.exportSymbol("box2d.b2_toiCalls",box2d.b2_toiCalls),box2d.b2_toiIters=0,goog.exportSymbol("box2d.b2_toiIters",box2d.b2_toiIters),box2d.b2_toiMaxIters=0,goog.exportSymbol("box2d.b2_toiMaxIters",box2d.b2_toiMaxIters),box2d.b2_toiRootIters=0,goog.exportSymbol("box2d.b2_toiRootIters",box2d.b2_toiRootIters),box2d.b2_toiMaxRootIters=0,goog.exportSymbol("box2d.b2_toiMaxRootIters",box2d.b2_toiMaxRootIters),box2d.b2TOIInput=function(){this.proxyA=new box2d.b2DistanceProxy,this.proxyB=new box2d.b2DistanceProxy,this.sweepA=new box2d.b2Sweep,this.sweepB=new box2d.b2Sweep},goog.exportSymbol("box2d.b2TOIInput",box2d.b2TOIInput),box2d.b2TOIInput.prototype.proxyA=null,goog.exportProperty(box2d.b2TOIInput.prototype,"proxyA",box2d.b2TOIInput.prototype.proxyA),box2d.b2TOIInput.prototype.proxyB=null,goog.exportProperty(box2d.b2TOIInput.prototype,"proxyB",box2d.b2TOIInput.prototype.proxyB),box2d.b2TOIInput.prototype.sweepA=null,goog.exportProperty(box2d.b2TOIInput.prototype,"sweepA",box2d.b2TOIInput.prototype.sweepA),box2d.b2TOIInput.prototype.sweepB=null,goog.exportProperty(box2d.b2TOIInput.prototype,"sweepB",box2d.b2TOIInput.prototype.sweepB),box2d.b2TOIInput.prototype.tMax=0,goog.exportProperty(box2d.b2TOIInput.prototype,"tMax",box2d.b2TOIInput.prototype.tMax),box2d.b2TOIOutputState={e_unknown:0,e_failed:1,e_overlapped:2,e_touching:3,e_separated:4},goog.exportSymbol("box2d.b2TOIOutputState",box2d.b2TOIOutputState),goog.exportProperty(box2d.b2TOIOutputState,"e_unknown",box2d.b2TOIOutputState.e_unknown),goog.exportProperty(box2d.b2TOIOutputState,"e_failed",box2d.b2TOIOutputState.e_failed),goog.exportProperty(box2d.b2TOIOutputState,"e_overlapped",box2d.b2TOIOutputState.e_overlapped),goog.exportProperty(box2d.b2TOIOutputState,"e_touching",box2d.b2TOIOutputState.e_touching),goog.exportProperty(box2d.b2TOIOutputState,"e_separated",box2d.b2TOIOutputState.e_separated),box2d.b2TOIOutput=function(){},goog.exportSymbol("box2d.b2TOIOutput",box2d.b2TOIOutput),box2d.b2TOIOutput.prototype.state=box2d.b2TOIOutputState.e_unknown,goog.exportProperty(box2d.b2TOIOutput.prototype,"state",box2d.b2TOIOutput.prototype.state),box2d.b2TOIOutput.prototype.t=0,goog.exportProperty(box2d.b2TOIOutput.prototype,"t",box2d.b2TOIOutput.prototype.t),box2d.b2SeparationFunctionType={e_unknown:-1,e_points:0,e_faceA:1,e_faceB:2},goog.exportSymbol("box2d.b2SeparationFunctionType",box2d.b2SeparationFunctionType),goog.exportProperty(box2d.b2SeparationFunctionType,"e_unknown",box2d.b2SeparationFunctionType.e_unknown),goog.exportProperty(box2d.b2SeparationFunctionType,"e_points",box2d.b2SeparationFunctionType.e_points),goog.exportProperty(box2d.b2SeparationFunctionType,"e_faceA",box2d.b2SeparationFunctionType.e_faceA),goog.exportProperty(box2d.b2SeparationFunctionType,"e_faceB",box2d.b2SeparationFunctionType.e_faceB),box2d.b2SeparationFunction=function(){this.m_sweepA=new box2d.b2Sweep,this.m_sweepB=new box2d.b2Sweep,this.m_localPoint=new box2d.b2Vec2,this.m_axis=new box2d.b2Vec2},goog.exportSymbol("box2d.b2SeparationFunction",box2d.b2SeparationFunction),box2d.b2SeparationFunction.prototype.m_proxyA=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_proxyA",box2d.b2SeparationFunction.prototype.m_proxyA),box2d.b2SeparationFunction.prototype.m_proxyB=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_proxyB",box2d.b2SeparationFunction.prototype.m_proxyB),box2d.b2SeparationFunction.prototype.m_sweepA=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_sweepA",box2d.b2SeparationFunction.prototype.m_sweepA),box2d.b2SeparationFunction.prototype.m_sweepB=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_sweepB",box2d.b2SeparationFunction.prototype.m_sweepB),box2d.b2SeparationFunction.prototype.m_type=box2d.b2SeparationFunctionType.e_unknown,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_type",box2d.b2SeparationFunction.prototype.m_type),box2d.b2SeparationFunction.prototype.m_localPoint=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_localPoint",box2d.b2SeparationFunction.prototype.m_localPoint),box2d.b2SeparationFunction.prototype.m_axis=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_axis",box2d.b2SeparationFunction.prototype.m_axis),box2d.b2SeparationFunction.prototype.Initialize=function(a,b,c,d,e,f){return this.m_proxyA=b,this.m_proxyB=d,b=a.count,box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<b&&3>b),this.m_sweepA.Copy(c),this.m_sweepB.Copy(e),c=box2d.b2TimeOfImpact.s_xfA,e=box2d.b2TimeOfImpact.s_xfB,this.m_sweepA.GetTransform(c,f),this.m_sweepB.GetTransform(e,f),1===b?(this.m_type=box2d.b2SeparationFunctionType.e_points,b=this.m_proxyA.GetVertex(a.indexA[0]),a=this.m_proxyB.GetVertex(a.indexB[0]),c=box2d.b2Mul_X_V2(c,b,box2d.b2TimeOfImpact.s_pointA),e=box2d.b2Mul_X_V2(e,a,box2d.b2TimeOfImpact.s_pointB),box2d.b2Sub_V2_V2(e,c,this.m_axis),a=this.m_axis.Normalize(),this.m_localPoint.SetZero()):(a.indexA[0]===a.indexA[1]?(this.m_type=box2d.b2SeparationFunctionType.e_faceB,b=this.m_proxyB.GetVertex(a.indexB[0]),d=this.m_proxyB.GetVertex(a.indexB[1]),box2d.b2Cross_V2_S(box2d.b2Sub_V2_V2(d,b,box2d.b2Vec2.s_t0),1,this.m_axis).SelfNormalize(),f=box2d.b2Mul_R_V2(e.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),box2d.b2Mid_V2_V2(b,d,this.m_localPoint),e=box2d.b2Mul_X_V2(e,this.m_localPoint,box2d.b2TimeOfImpact.s_pointB),b=this.m_proxyA.GetVertex(a.indexA[0]),c=box2d.b2Mul_X_V2(c,b,box2d.b2TimeOfImpact.s_pointA),a=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(c,e,box2d.b2Vec2.s_t0),f)):(this.m_type=box2d.b2SeparationFunctionType.e_faceA,b=this.m_proxyA.GetVertex(a.indexA[0]),d=this.m_proxyA.GetVertex(a.indexA[1]),box2d.b2Cross_V2_S(box2d.b2Sub_V2_V2(d,b,box2d.b2Vec2.s_t0),1,this.m_axis).SelfNormalize(),f=box2d.b2Mul_R_V2(c.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),box2d.b2Mid_V2_V2(b,d,this.m_localPoint),c=box2d.b2Mul_X_V2(c,this.m_localPoint,box2d.b2TimeOfImpact.s_pointA),a=this.m_proxyB.GetVertex(a.indexB[0]),e=box2d.b2Mul_X_V2(e,a,box2d.b2TimeOfImpact.s_pointB),a=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(e,c,box2d.b2Vec2.s_t0),f)),0>a&&(this.m_axis.SelfNeg(),a=-a)),a},goog.exportProperty(box2d.b2SeparationFunction.prototype,"Initialize",box2d.b2SeparationFunction.prototype.Initialize),box2d.b2SeparationFunction.prototype.FindMinSeparation=function(a,b,c){var d=box2d.b2TimeOfImpact.s_xfA,e=box2d.b2TimeOfImpact.s_xfB;switch(this.m_sweepA.GetTransform(d,c),this.m_sweepB.GetTransform(e,c),this.m_type){case box2d.b2SeparationFunctionType.e_points:var f=box2d.b2MulT_R_V2(d.q,this.m_axis,box2d.b2TimeOfImpact.s_axisA),g=box2d.b2MulT_R_V2(e.q,box2d.b2Vec2.s_t0.Copy(this.m_axis).SelfNeg(),box2d.b2TimeOfImpact.s_axisB);return a[0]=this.m_proxyA.GetSupport(f),b[0]=this.m_proxyB.GetSupport(g),a=this.m_proxyA.GetVertex(a[0]),b=this.m_proxyB.GetVertex(b[0]),d=box2d.b2Mul_X_V2(d,a,box2d.b2TimeOfImpact.s_pointA),e=box2d.b2Mul_X_V2(e,b,box2d.b2TimeOfImpact.s_pointB),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(e,d,box2d.b2Vec2.s_t0),this.m_axis);case box2d.b2SeparationFunctionType.e_faceA:return c=box2d.b2Mul_R_V2(d.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),d=box2d.b2Mul_X_V2(d,this.m_localPoint,box2d.b2TimeOfImpact.s_pointA),g=box2d.b2MulT_R_V2(e.q,box2d.b2Vec2.s_t0.Copy(c).SelfNeg(),box2d.b2TimeOfImpact.s_axisB),a[0]=-1,b[0]=this.m_proxyB.GetSupport(g),b=this.m_proxyB.GetVertex(b[0]),e=box2d.b2Mul_X_V2(e,b,box2d.b2TimeOfImpact.s_pointB),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(e,d,box2d.b2Vec2.s_t0),c);case box2d.b2SeparationFunctionType.e_faceB:return c=box2d.b2Mul_R_V2(e.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),e=box2d.b2Mul_X_V2(e,this.m_localPoint,box2d.b2TimeOfImpact.s_pointB),f=box2d.b2MulT_R_V2(d.q,box2d.b2Vec2.s_t0.Copy(c).SelfNeg(),box2d.b2TimeOfImpact.s_axisA),b[0]=-1,a[0]=this.m_proxyA.GetSupport(f),a=this.m_proxyA.GetVertex(a[0]),d=box2d.b2Mul_X_V2(d,a,box2d.b2TimeOfImpact.s_pointA),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(d,e,box2d.b2Vec2.s_t0),c);default:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),a[0]=-1,b[0]=-1,0}},goog.exportProperty(box2d.b2SeparationFunction.prototype,"FindMinSeparation",box2d.b2SeparationFunction.prototype.FindMinSeparation),box2d.b2SeparationFunction.prototype.Evaluate=function(a,b,c){var d=box2d.b2TimeOfImpact.s_xfA,e=box2d.b2TimeOfImpact.s_xfB;switch(this.m_sweepA.GetTransform(d,c),this.m_sweepB.GetTransform(e,c),this.m_type){case box2d.b2SeparationFunctionType.e_points:return a=this.m_proxyA.GetVertex(a),b=this.m_proxyB.GetVertex(b),d=box2d.b2Mul_X_V2(d,a,box2d.b2TimeOfImpact.s_pointA),e=box2d.b2Mul_X_V2(e,b,box2d.b2TimeOfImpact.s_pointB),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(e,d,box2d.b2Vec2.s_t0),this.m_axis);case box2d.b2SeparationFunctionType.e_faceA:return c=box2d.b2Mul_R_V2(d.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),d=box2d.b2Mul_X_V2(d,this.m_localPoint,box2d.b2TimeOfImpact.s_pointA),b=this.m_proxyB.GetVertex(b),e=box2d.b2Mul_X_V2(e,b,box2d.b2TimeOfImpact.s_pointB),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(e,d,box2d.b2Vec2.s_t0),c);case box2d.b2SeparationFunctionType.e_faceB:return c=box2d.b2Mul_R_V2(e.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),e=box2d.b2Mul_X_V2(e,this.m_localPoint,box2d.b2TimeOfImpact.s_pointB),a=this.m_proxyA.GetVertex(a),d=box2d.b2Mul_X_V2(d,a,box2d.b2TimeOfImpact.s_pointA),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(d,e,box2d.b2Vec2.s_t0),c);default:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),0}},goog.exportProperty(box2d.b2SeparationFunction.prototype,"Evaluate",box2d.b2SeparationFunction.prototype.Evaluate),box2d.b2TimeOfImpact=function(a,b){var c=box2d.b2TimeOfImpact.s_timer.Reset();++box2d.b2_toiCalls,a.state=box2d.b2TOIOutputState.e_unknown,a.t=b.tMax;var d=b.proxyA,e=b.proxyB,f=box2d.b2TimeOfImpact.s_sweepA.Copy(b.sweepA),g=box2d.b2TimeOfImpact.s_sweepB.Copy(b.sweepB);f.Normalize(),g.Normalize();var h=b.tMax,k=box2d.b2Max(box2d.b2_linearSlop,d.m_radius+e.m_radius-3*box2d.b2_linearSlop),l=.25*box2d.b2_linearSlop;box2d.ENABLE_ASSERTS&&box2d.b2Assert(k>l);var m=0,n=0,p=box2d.b2TimeOfImpact.s_cache;p.count=0;var q=box2d.b2TimeOfImpact.s_distanceInput;for(q.proxyA=b.proxyA,q.proxyB=b.proxyB,q.useRadii=!1;;){var r=box2d.b2TimeOfImpact.s_xfA,u=box2d.b2TimeOfImpact.s_xfB;if(f.GetTransform(r,m),g.GetTransform(u,m),q.transformA.Copy(r),q.transformB.Copy(u),r=box2d.b2TimeOfImpact.s_distanceOutput,box2d.b2ShapeDistance(r,p,q),0>=r.distance){a.state=box2d.b2TOIOutputState.e_overlapped,a.t=0;break}if(r.distance<k+l){a.state=box2d.b2TOIOutputState.e_touching,a.t=m;break}(r=box2d.b2TimeOfImpact.s_fcn).Initialize(p,d,f,e,g,m);u=!1;for(var t=h,w=0;;){var x=box2d.b2TimeOfImpact.s_indexA,v=box2d.b2TimeOfImpact.s_indexB,y=r.FindMinSeparation(x,v,t);if(y>k+l){a.state=box2d.b2TOIOutputState.e_separated,a.t=h,u=!0;break}if(y>k-l){m=t;break}var z=r.Evaluate(x[0],v[0],m);if(z<k-l){a.state=box2d.b2TOIOutputState.e_failed,a.t=m,u=!0;break}if(z<=k+l){a.state=box2d.b2TOIOutputState.e_touching,a.t=m,u=!0;break}for(var B=0,E=m,F=t;;){var G=1&B?E+(k-z)*(F-E)/(y-z):.5*(E+F);++B,++box2d.b2_toiRootIters;var H=r.Evaluate(x[0],v[0],G);if(box2d.b2Abs(H-k)<l){t=G;break}if(H>k?(E=G,z=H):(F=G,y=H),50===B)break}if(box2d.b2_toiMaxRootIters=box2d.b2Max(box2d.b2_toiMaxRootIters,B),++w===box2d.b2_maxPolygonVertices)break}if(++n,++box2d.b2_toiIters,u)break;if(20===n){a.state=box2d.b2TOIOutputState.e_failed,a.t=m;break}}box2d.b2_toiMaxIters=box2d.b2Max(box2d.b2_toiMaxIters,n),c=c.GetMilliseconds(),box2d.b2_toiMaxTime=box2d.b2Max(box2d.b2_toiMaxTime,c),box2d.b2_toiTime+=c},goog.exportSymbol("box2d.b2TimeOfImpact",box2d.b2TimeOfImpact),box2d.b2TimeOfImpact.s_timer=new box2d.b2Timer,box2d.b2TimeOfImpact.s_cache=new box2d.b2SimplexCache,box2d.b2TimeOfImpact.s_distanceInput=new box2d.b2DistanceInput,box2d.b2TimeOfImpact.s_distanceOutput=new box2d.b2DistanceOutput,box2d.b2TimeOfImpact.s_xfA=new box2d.b2Transform,box2d.b2TimeOfImpact.s_xfB=new box2d.b2Transform,box2d.b2TimeOfImpact.s_indexA=box2d.b2MakeNumberArray(1),box2d.b2TimeOfImpact.s_indexB=box2d.b2MakeNumberArray(1),box2d.b2TimeOfImpact.s_fcn=new box2d.b2SeparationFunction,box2d.b2TimeOfImpact.s_sweepA=new box2d.b2Sweep,box2d.b2TimeOfImpact.s_sweepB=new box2d.b2Sweep,box2d.b2TimeOfImpact.s_pointA=new box2d.b2Vec2,box2d.b2TimeOfImpact.s_pointB=new box2d.b2Vec2,box2d.b2TimeOfImpact.s_normal=new box2d.b2Vec2,box2d.b2TimeOfImpact.s_axisA=new box2d.b2Vec2,box2d.b2TimeOfImpact.s_axisB=new box2d.b2Vec2,box2d.b2Filter=function(){},goog.exportSymbol("box2d.b2Filter",box2d.b2Filter),box2d.b2Filter.prototype.categoryBits=1,goog.exportProperty(box2d.b2Filter.prototype,"categoryBits",box2d.b2Filter.prototype.categoryBits),box2d.b2Filter.prototype.maskBits=65535,goog.exportProperty(box2d.b2Filter.prototype,"maskBits",box2d.b2Filter.prototype.maskBits),box2d.b2Filter.prototype.groupIndex=0,goog.exportProperty(box2d.b2Filter.prototype,"groupIndex",box2d.b2Filter.prototype.groupIndex),box2d.b2Filter.prototype.Clone=function(){return(new box2d.b2Filter).Copy(this)},goog.exportProperty(box2d.b2Filter.prototype,"Clone",box2d.b2Filter.prototype.Clone),box2d.b2Filter.prototype.Copy=function(a){return box2d.ENABLE_ASSERTS&&box2d.b2Assert(this!==a),this.categoryBits=a.categoryBits,this.maskBits=a.maskBits,this.groupIndex=a.groupIndex,this},goog.exportProperty(box2d.b2Filter.prototype,"Copy",box2d.b2Filter.prototype.Copy),box2d.b2FixtureDef=function(){this.filter=new box2d.b2Filter},goog.exportSymbol("box2d.b2FixtureDef",box2d.b2FixtureDef),box2d.b2FixtureDef.prototype.shape=null,goog.exportProperty(box2d.b2FixtureDef.prototype,"shape",box2d.b2FixtureDef.prototype.shape),box2d.b2FixtureDef.prototype.userData=null,goog.exportProperty(box2d.b2FixtureDef.prototype,"userData",box2d.b2FixtureDef.prototype.userData),box2d.b2FixtureDef.prototype.friction=.2,goog.exportProperty(box2d.b2FixtureDef.prototype,"friction",box2d.b2FixtureDef.prototype.friction),box2d.b2FixtureDef.prototype.restitution=0,goog.exportProperty(box2d.b2FixtureDef.prototype,"restitution",box2d.b2FixtureDef.prototype.restitution),box2d.b2FixtureDef.prototype.density=0,goog.exportProperty(box2d.b2FixtureDef.prototype,"density",box2d.b2FixtureDef.prototype.density),box2d.b2FixtureDef.prototype.isSensor=!1;goog.exportProperty(box2d.b2FixtureDef.prototype,"isSensor",box2d.b2FixtureDef.prototype.isSensor),box2d.b2FixtureDef.prototype.filter=null,goog.exportProperty(box2d.b2FixtureDef.prototype,"filter",box2d.b2FixtureDef.prototype.filter),box2d.b2FixtureProxy=function(){this.aabb=new box2d.b2AABB},goog.exportSymbol("box2d.b2FixtureProxy",box2d.b2FixtureProxy),box2d.b2FixtureProxy.prototype.aabb=null,goog.exportProperty(box2d.b2FixtureProxy.prototype,"aabb",box2d.b2FixtureProxy.prototype.aabb),box2d.b2FixtureProxy.prototype.fixture=null,goog.exportProperty(box2d.b2FixtureProxy.prototype,"fixture",box2d.b2FixtureProxy.prototype.fixture),box2d.b2FixtureProxy.prototype.childIndex=0,goog.exportProperty(box2d.b2FixtureProxy.prototype,"childIndex",box2d.b2FixtureProxy.prototype.childIndex),box2d.b2FixtureProxy.prototype.proxy=null,goog.exportProperty(box2d.b2FixtureProxy.prototype,"proxy",box2d.b2FixtureProxy.prototype.proxy),box2d.b2FixtureProxy.MakeArray=function(a){return box2d.b2MakeArray(a,function(a){return new box2d.b2FixtureProxy})},goog.exportProperty(box2d.b2FixtureProxy,"MakeArray",box2d.b2FixtureProxy.MakeArray),box2d.b2Fixture=function(){this.m_proxyCount=0,this.m_filter=new box2d.b2Filter},goog.exportSymbol("box2d.b2Fixture",box2d.b2Fixture),box2d.b2Fixture.prototype.m_density=0,goog.exportProperty(box2d.b2Fixture.prototype,"m_density",box2d.b2Fixture.prototype.m_density),box2d.b2Fixture.prototype.m_next=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_next",box2d.b2Fixture.prototype.m_next),box2d.b2Fixture.prototype.m_body=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_body",box2d.b2Fixture.prototype.m_body),box2d.b2Fixture.prototype.m_shape=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_shape",box2d.b2Fixture.prototype.m_shape),box2d.b2Fixture.prototype.m_friction=0,goog.exportProperty(box2d.b2Fixture.prototype,"m_friction",box2d.b2Fixture.prototype.m_friction),box2d.b2Fixture.prototype.m_restitution=0,goog.exportProperty(box2d.b2Fixture.prototype,"m_restitution",box2d.b2Fixture.prototype.m_restitution),box2d.b2Fixture.prototype.m_proxies=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_proxies",box2d.b2Fixture.prototype.m_proxies),box2d.b2Fixture.prototype.m_proxyCount=0,goog.exportProperty(box2d.b2Fixture.prototype,"m_proxyCount",box2d.b2Fixture.prototype.m_proxyCount),box2d.b2Fixture.prototype.m_filter=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_filter",box2d.b2Fixture.prototype.m_filter),box2d.b2Fixture.prototype.m_isSensor=!1,goog.exportProperty(box2d.b2Fixture.prototype,"m_isSensor",box2d.b2Fixture.prototype.m_isSensor),box2d.b2Fixture.prototype.m_userData=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_userData",box2d.b2Fixture.prototype.m_userData),box2d.b2Fixture.prototype.GetType=function(){return this.m_shape.GetType()},goog.exportProperty(box2d.b2Fixture.prototype,"GetType",box2d.b2Fixture.prototype.GetType),box2d.b2Fixture.prototype.GetShape=function(){return this.m_shape},goog.exportProperty(box2d.b2Fixture.prototype,"GetShape",box2d.b2Fixture.prototype.GetShape),box2d.b2Fixture.prototype.IsSensor=function(){return this.m_isSensor},goog.exportProperty(box2d.b2Fixture.prototype,"IsSensor",box2d.b2Fixture.prototype.IsSensor),box2d.b2Fixture.prototype.GetFilterData=function(a){return(a=a||new box2d.b2Filter).Copy(this.m_filter)},goog.exportProperty(box2d.b2Fixture.prototype,"GetFilterData",box2d.b2Fixture.prototype.GetFilterData),box2d.b2Fixture.prototype.GetUserData=function(){return this.m_userData},goog.exportProperty(box2d.b2Fixture.prototype,"GetUserData",box2d.b2Fixture.prototype.GetUserData),box2d.b2Fixture.prototype.SetUserData=function(a){this.m_userData=a},goog.exportProperty(box2d.b2Fixture.prototype,"SetUserData",box2d.b2Fixture.prototype.SetUserData),box2d.b2Fixture.prototype.GetBody=function(){return this.m_body},goog.exportProperty(box2d.b2Fixture.prototype,"GetBody",box2d.b2Fixture.prototype.GetBody),box2d.b2Fixture.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2Fixture.prototype,"GetNext",box2d.b2Fixture.prototype.GetNext),box2d.b2Fixture.prototype.SetDensity=function(a){this.m_density=a},goog.exportProperty(box2d.b2Fixture.prototype,"SetDensity",box2d.b2Fixture.prototype.SetDensity),box2d.b2Fixture.prototype.GetDensity=function(){return this.m_density},goog.exportProperty(box2d.b2Fixture.prototype,"GetDensity",box2d.b2Fixture.prototype.GetDensity),box2d.b2Fixture.prototype.GetFriction=function(){return this.m_friction},goog.exportProperty(box2d.b2Fixture.prototype,"GetFriction",box2d.b2Fixture.prototype.GetFriction),box2d.b2Fixture.prototype.SetFriction=function(a){this.m_friction=a},goog.exportProperty(box2d.b2Fixture.prototype,"SetFriction",box2d.b2Fixture.prototype.SetFriction),box2d.b2Fixture.prototype.GetRestitution=function(){return this.m_restitution},goog.exportProperty(box2d.b2Fixture.prototype,"GetRestitution",box2d.b2Fixture.prototype.GetRestitution),box2d.b2Fixture.prototype.SetRestitution=function(a){this.m_restitution=a},goog.exportProperty(box2d.b2Fixture.prototype,"SetRestitution",box2d.b2Fixture.prototype.SetRestitution),box2d.b2Fixture.prototype.TestPoint=function(a){return this.m_shape.TestPoint(this.m_body.GetTransform(),a)},goog.exportProperty(box2d.b2Fixture.prototype,"TestPoint",box2d.b2Fixture.prototype.TestPoint),box2d.b2Fixture.prototype.ComputeDistance=function(a,b,c){return this.m_shape.ComputeDistance(this.m_body.GetTransform(),a,b,c)},goog.exportProperty(box2d.b2Fixture.prototype,"ComputeDistance",box2d.b2Fixture.prototype.ComputeDistance),box2d.b2Fixture.prototype.RayCast=function(a,b,c){return this.m_shape.RayCast(a,b,this.m_body.GetTransform(),c)},goog.exportProperty(box2d.b2Fixture.prototype,"RayCast",box2d.b2Fixture.prototype.RayCast),box2d.b2Fixture.prototype.GetMassData=function(a){return a=a||new box2d.b2MassData,this.m_shape.ComputeMass(a,this.m_density),a},goog.exportProperty(box2d.b2Fixture.prototype,"GetMassData",box2d.b2Fixture.prototype.GetMassData),box2d.b2Fixture.prototype.GetAABB=function(a){return 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c.shape=a,c.density="number"==typeof b?b:0,this.CreateFixture_Def(c)},goog.exportProperty(box2d.b2Body.prototype,"CreateFixture_Shape_Density",box2d.b2Body.prototype.CreateFixture_Shape_Density),box2d.b2Body.prototype.CreateFixture_Shape_Density.s_def=new box2d.b2FixtureDef,box2d.b2Body.prototype.DestroyFixture=function(a){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.m_world.IsLocked()),!this.m_world.IsLocked()){box2d.ENABLE_ASSERTS&&box2d.b2Assert(a.m_body===this),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_fixtureCount);for(var b=this.m_fixtureList,c=null,d=!1;null!==b;){if(b===a){c?c.m_next=a.m_next:this.m_fixtureList=a.m_next,d=!0;break}c=b,b=b.m_next}for(box2d.ENABLE_ASSERTS&&box2d.b2Assert(d),b=this.m_contactList;b;){c=b.contact,b=b.next,d=c.GetFixtureA();var e=c.GetFixtureB();a!==d&&a!==e||this.m_world.m_contactManager.Destroy(c)}this.m_flag_activeFlag&&a.DestroyProxies(this.m_world.m_contactManager.m_broadPhase),a.Destroy(),a.m_body=null,a.m_next=null,--this.m_fixtureCount,this.ResetMassData()}},goog.exportProperty(box2d.b2Body.prototype,"DestroyFixture",box2d.b2Body.prototype.DestroyFixture),box2d.b2Body.prototype.SetTransform=function(a,b,c){if(a instanceof box2d.b2Vec2&&"number"==typeof b)this.SetTransform_X_Y_A(a.x,a.y,b);else if(a instanceof box2d.b2Transform)this.SetTransform_X_Y_A(a.p.x,a.p.y,a.GetAngle());else{if("number"!=typeof a||"number"!=typeof b||"number"!=typeof c)throw Error();this.SetTransform_X_Y_A(a,b,c)}},goog.exportProperty(box2d.b2Body.prototype,"SetTransform",box2d.b2Body.prototype.SetTransform),box2d.b2Body.prototype.SetTransform_V2_A=function(a,b){this.SetTransform_X_Y_A(a.x,a.y,b)},goog.exportProperty(box2d.b2Body.prototype,"SetTransform_V2_A",box2d.b2Body.prototype.SetTransform_V2_A),box2d.b2Body.prototype.SetTransform_X_Y_A=function(a,b,c){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.m_world.IsLocked()),!this.m_world.IsLocked()&&(this.m_xf.p.x!==a||this.m_xf.p.y!==b||this.m_xf.q.GetAngle()!==c))for(this.m_xf.q.SetAngle(c),this.m_xf.p.Set(a,b),this.m_xf0.Copy(this.m_xf),box2d.b2Mul_X_V2(this.m_xf,this.m_sweep.localCenter,this.m_sweep.c),this.m_sweep.a=c,this.m_sweep.c0.Copy(this.m_sweep.c),this.m_sweep.a0=c,a=this.m_world.m_contactManager.m_broadPhase,b=this.m_fixtureList;b;b=b.m_next)b.Synchronize(a,this.m_xf,this.m_xf)},goog.exportProperty(box2d.b2Body.prototype,"SetTransform_X_Y_A",box2d.b2Body.prototype.SetTransform_X_Y_A),box2d.b2Body.prototype.SetTransform_X=function(a){this.SetTransform_X_Y_A(a.p.x,a.p.y,a.GetAngle())},goog.exportProperty(box2d.b2Body.prototype,"SetTransform_X",box2d.b2Body.prototype.SetTransform_X),box2d.b2Body.prototype.GetTransform=function(a){return(a=a||this.m_out_xf).Copy(this.m_xf)},goog.exportProperty(box2d.b2Body.prototype,"GetTransform",box2d.b2Body.prototype.GetTransform),box2d.b2Body.prototype.GetPosition=function(a){return(a=a||this.m_out_xf.p).Copy(this.m_xf.p)},goog.exportProperty(box2d.b2Body.prototype,"GetPosition",box2d.b2Body.prototype.GetPosition),box2d.b2Body.prototype.SetPosition=function(a){this.SetTransform_V2_A(a,this.GetAngle())},goog.exportProperty(box2d.b2Body.prototype,"SetPosition",box2d.b2Body.prototype.SetPosition),box2d.b2Body.prototype.SetPositionXY=function(a,b){this.SetTransform_X_Y_A(a,b,this.GetAngle())},goog.exportProperty(box2d.b2Body.prototype,"SetPositionXY",box2d.b2Body.prototype.SetPositionXY),box2d.b2Body.prototype.GetRotation=function(a){return(a=a||this.m_out_xf.q).Copy(this.m_xf.q)},goog.exportProperty(box2d.b2Body.prototype,"GetRotation",box2d.b2Body.prototype.GetRotation),box2d.b2Body.prototype.SetRotation=function(a){this.SetTransform_V2_A(this.GetPosition(),a.GetAngle())},goog.exportProperty(box2d.b2Body.prototype,"SetRotation",box2d.b2Body.prototype.SetRotation),box2d.b2Body.prototype.GetAngle=function(){return this.m_sweep.a},goog.exportProperty(box2d.b2Body.prototype,"GetAngle",box2d.b2Body.prototype.GetAngle),box2d.b2Body.prototype.SetAngle=function(a){this.SetTransform_V2_A(this.GetPosition(),a)},goog.exportProperty(box2d.b2Body.prototype,"SetAngle",box2d.b2Body.prototype.SetAngle),box2d.b2Body.prototype.GetWorldCenter=function(a){return(a=a||this.m_out_sweep.c).Copy(this.m_sweep.c)},goog.exportProperty(box2d.b2Body.prototype,"GetWorldCenter",box2d.b2Body.prototype.GetWorldCenter),box2d.b2Body.prototype.GetLocalCenter=function(a){return(a=a||this.m_out_sweep.localCenter).Copy(this.m_sweep.localCenter)},goog.exportProperty(box2d.b2Body.prototype,"GetLocalCenter",box2d.b2Body.prototype.GetLocalCenter),box2d.b2Body.prototype.SetLinearVelocity=function(a){this.m_type!==box2d.b2BodyType.b2_staticBody&&(0<box2d.b2Dot_V2_V2(a,a)&&this.SetAwake(!0),this.m_linearVelocity.Copy(a))},goog.exportProperty(box2d.b2Body.prototype,"SetLinearVelocity",box2d.b2Body.prototype.SetLinearVelocity),box2d.b2Body.prototype.GetLinearVelocity=function(a){return(a=a||this.m_out_linearVelocity).Copy(this.m_linearVelocity)},goog.exportProperty(box2d.b2Body.prototype,"GetLinearVelocity",box2d.b2Body.prototype.GetLinearVelocity),box2d.b2Body.prototype.SetAngularVelocity=function(a){this.m_type!==box2d.b2BodyType.b2_staticBody&&(0<a*a&&this.SetAwake(!0),this.m_angularVelocity=a)},goog.exportProperty(box2d.b2Body.prototype,"SetAngularVelocity",box2d.b2Body.prototype.SetAngularVelocity),box2d.b2Body.prototype.GetAngularVelocity=function(){return this.m_angularVelocity},goog.exportProperty(box2d.b2Body.prototype,"GetAngularVelocity",box2d.b2Body.prototype.GetAngularVelocity),box2d.b2Body.prototype.GetDefinition=function(a){return a.type=this.GetType(),a.allowSleep=this.m_flag_autoSleepFlag,a.angle=this.GetAngle(),a.angularDamping=this.m_angularDamping,a.gravityScale=this.m_gravityScale,a.angularVelocity=this.m_angularVelocity,a.fixedRotation=this.m_flag_fixedRotationFlag,a.bullet=this.m_flag_bulletFlag,a.awake=this.m_flag_awakeFlag,a.linearDamping=this.m_linearDamping,a.linearVelocity.Copy(this.GetLinearVelocity()),a.position.Copy(this.GetPosition()),a.userData=this.GetUserData(),a},goog.exportProperty(box2d.b2Body.prototype,"GetDefinition",box2d.b2Body.prototype.GetDefinition),box2d.b2Body.prototype.ApplyForce=function(a,b,c){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_force.x+=a.x,this.m_force.y+=a.y,this.m_torque+=(b.x-this.m_sweep.c.x)*a.y-(b.y-this.m_sweep.c.y)*a.x))},goog.exportProperty(box2d.b2Body.prototype,"ApplyForce",box2d.b2Body.prototype.ApplyForce),box2d.b2Body.prototype.ApplyForceToCenter=function(a,b){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(("boolean"==typeof b?b:1)&&!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_force.x+=a.x,this.m_force.y+=a.y))},goog.exportProperty(box2d.b2Body.prototype,"ApplyForceToCenter",box2d.b2Body.prototype.ApplyForceToCenter),box2d.b2Body.prototype.ApplyTorque=function(a,b){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(("boolean"==typeof b?b:1)&&!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_torque+=a))},goog.exportProperty(box2d.b2Body.prototype,"ApplyTorque",box2d.b2Body.prototype.ApplyTorque),box2d.b2Body.prototype.ApplyLinearImpulse=function(a,b,c){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(("boolean"==typeof c?c:1)&&!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_linearVelocity.x+=this.m_invMass*a.x,this.m_linearVelocity.y+=this.m_invMass*a.y,this.m_angularVelocity+=this.m_invI*((b.x-this.m_sweep.c.x)*a.y-(b.y-this.m_sweep.c.y)*a.x)))},goog.exportProperty(box2d.b2Body.prototype,"ApplyLinearImpulse",box2d.b2Body.prototype.ApplyLinearImpulse),box2d.b2Body.prototype.ApplyLinearImpulseToCenter=function(a,b){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(("boolean"==typeof b?b:1)&&!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_linearVelocity.x+=this.m_invMass*a.x,this.m_linearVelocity.y+=this.m_invMass*a.y))},goog.exportProperty(box2d.b2Body.prototype,"ApplyLinearImpulseToCenter",box2d.b2Body.prototype.ApplyLinearImpulseToCenter),box2d.b2Body.prototype.ApplyAngularImpulse=function(a,b){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(("boolean"==typeof b?b:1)&&!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_angularVelocity+=this.m_invI*a))},goog.exportProperty(box2d.b2Body.prototype,"ApplyAngularImpulse",box2d.b2Body.prototype.ApplyAngularImpulse),box2d.b2Body.prototype.GetMass=function(){return this.m_mass},goog.exportProperty(box2d.b2Body.prototype,"GetMass",box2d.b2Body.prototype.GetMass),box2d.b2Body.prototype.GetInertia=function(){return this.m_I+this.m_mass*box2d.b2Dot_V2_V2(this.m_sweep.localCenter,this.m_sweep.localCenter)},goog.exportProperty(box2d.b2Body.prototype,"GetInertia",box2d.b2Body.prototype.GetInertia),box2d.b2Body.prototype.GetMassData=function(a){return a.mass=this.m_mass,a.I=this.m_I+this.m_mass*box2d.b2Dot_V2_V2(this.m_sweep.localCenter,this.m_sweep.localCenter),a.center.Copy(this.m_sweep.localCenter),a},goog.exportProperty(box2d.b2Body.prototype,"GetMassData",box2d.b2Body.prototype.GetMassData),box2d.b2Body.prototype.SetMassData=function(a){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.m_world.IsLocked()),!this.m_world.IsLocked()&&this.m_type===box2d.b2BodyType.b2_dynamicBody){this.m_invI=this.m_I=this.m_invMass=0,this.m_mass=a.mass,0>=this.m_mass&&(this.m_mass=1),this.m_invMass=1/this.m_mass,0<a.I&&!this.m_flag_fixedRotationFlag&&(this.m_I=a.I-this.m_mass*box2d.b2Dot_V2_V2(a.center,a.center),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_I),this.m_invI=1/this.m_I);var b=box2d.b2Body.prototype.SetMassData.s_oldCenter.Copy(this.m_sweep.c);this.m_sweep.localCenter.Copy(a.center),box2d.b2Mul_X_V2(this.m_xf,this.m_sweep.localCenter,this.m_sweep.c),this.m_sweep.c0.Copy(this.m_sweep.c),box2d.b2AddCross_V2_S_V2(this.m_linearVelocity,this.m_angularVelocity,box2d.b2Sub_V2_V2(this.m_sweep.c,b,box2d.b2Vec2.s_t0),this.m_linearVelocity)}},goog.exportProperty(box2d.b2Body.prototype,"SetMassData",box2d.b2Body.prototype.SetMassData),box2d.b2Body.prototype.SetMassData.s_oldCenter=new box2d.b2Vec2,box2d.b2Body.prototype.ResetMassData=function(){if(this.m_invI=this.m_I=this.m_invMass=this.m_mass=0,this.m_sweep.localCenter.SetZero(),this.m_type===box2d.b2BodyType.b2_staticBody||this.m_type===box2d.b2BodyType.b2_kinematicBody)this.m_sweep.c0.Copy(this.m_xf.p),this.m_sweep.c.Copy(this.m_xf.p),this.m_sweep.a0=this.m_sweep.a;else{box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_type===box2d.b2BodyType.b2_dynamicBody);for(var a=box2d.b2Body.prototype.ResetMassData.s_localCenter.SetZero(),b=this.m_fixtureList;b;b=b.m_next)if(0!==b.m_density){var c=b.GetMassData(box2d.b2Body.prototype.ResetMassData.s_massData);this.m_mass+=c.mass,a.x+=c.center.x*c.mass,a.y+=c.center.y*c.mass,this.m_I+=c.I}0<this.m_mass?(this.m_invMass=1/this.m_mass,a.x*=this.m_invMass,a.y*=this.m_invMass):this.m_invMass=this.m_mass=1,0<this.m_I&&!this.m_flag_fixedRotationFlag?(this.m_I-=this.m_mass*box2d.b2Dot_V2_V2(a,a),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_I),this.m_invI=1/this.m_I):this.m_invI=this.m_I=0,b=box2d.b2Body.prototype.ResetMassData.s_oldCenter.Copy(this.m_sweep.c),this.m_sweep.localCenter.Copy(a),box2d.b2Mul_X_V2(this.m_xf,this.m_sweep.localCenter,this.m_sweep.c),this.m_sweep.c0.Copy(this.m_sweep.c),box2d.b2AddCross_V2_S_V2(this.m_linearVelocity,this.m_angularVelocity,box2d.b2Sub_V2_V2(this.m_sweep.c,b,box2d.b2Vec2.s_t0),this.m_linearVelocity)}},goog.exportProperty(box2d.b2Body.prototype,"ResetMassData",box2d.b2Body.prototype.ResetMassData),box2d.b2Body.prototype.ResetMassData.s_localCenter=new box2d.b2Vec2,box2d.b2Body.prototype.ResetMassData.s_oldCenter=new box2d.b2Vec2,box2d.b2Body.prototype.ResetMassData.s_massData=new box2d.b2MassData,box2d.b2Body.prototype.GetWorldPoint=function(a,b){return box2d.b2Mul_X_V2(this.m_xf,a,b)},goog.exportProperty(box2d.b2Body.prototype,"GetWorldPoint",box2d.b2Body.prototype.GetWorldPoint),box2d.b2Body.prototype.GetWorldVector=function(a,b){return box2d.b2Mul_R_V2(this.m_xf.q,a,b)},goog.exportProperty(box2d.b2Body.prototype,"GetWorldVector",box2d.b2Body.prototype.GetWorldVector),box2d.b2Body.prototype.GetLocalPoint=function(a,b){return box2d.b2MulT_X_V2(this.m_xf,a,b)},goog.exportProperty(box2d.b2Body.prototype,"GetLocalPoint",box2d.b2Body.prototype.GetLocalPoint),box2d.b2Body.prototype.GetLocalVector=function(a,b){return box2d.b2MulT_R_V2(this.m_xf.q,a,b)},goog.exportProperty(box2d.b2Body.prototype,"GetLocalVector",box2d.b2Body.prototype.GetLocalVector),box2d.b2Body.prototype.GetLinearVelocityFromWorldPoint=function(a,b){return box2d.b2AddCross_V2_S_V2(this.m_linearVelocity,this.m_angularVelocity,box2d.b2Sub_V2_V2(a,this.m_sweep.c,box2d.b2Vec2.s_t0),b)},goog.exportProperty(box2d.b2Body.prototype,"GetLinearVelocityFromWorldPoint",box2d.b2Body.prototype.GetLinearVelocityFromWorldPoint),box2d.b2Body.prototype.GetLinearVelocityFromLocalPoint=function(a,b){return this.GetLinearVelocityFromWorldPoint(this.GetWorldPoint(a,b),b)},goog.exportProperty(box2d.b2Body.prototype,"GetLinearVelocityFromLocalPoint",box2d.b2Body.prototype.GetLinearVelocityFromLocalPoint),box2d.b2Body.prototype.GetLinearDamping=function(){return this.m_linearDamping},goog.exportProperty(box2d.b2Body.prototype,"GetLinearDamping",box2d.b2Body.prototype.GetLinearDamping),box2d.b2Body.prototype.SetLinearDamping=function(a){this.m_linearDamping=a},goog.exportProperty(box2d.b2Body.prototype,"SetLinearDamping",box2d.b2Body.prototype.SetLinearDamping),box2d.b2Body.prototype.GetAngularDamping=function(){return this.m_angularDamping},goog.exportProperty(box2d.b2Body.prototype,"GetAngularDamping",box2d.b2Body.prototype.GetAngularDamping),box2d.b2Body.prototype.SetAngularDamping=function(a){this.m_angularDamping=a},goog.exportProperty(box2d.b2Body.prototype,"SetAngularDamping",box2d.b2Body.prototype.SetAngularDamping),box2d.b2Body.prototype.GetGravityScale=function(){return this.m_gravityScale},goog.exportProperty(box2d.b2Body.prototype,"GetGravityScale",box2d.b2Body.prototype.GetGravityScale),box2d.b2Body.prototype.SetGravityScale=function(a){this.m_gravityScale=a},goog.exportProperty(box2d.b2Body.prototype,"SetGravityScale",box2d.b2Body.prototype.SetGravityScale),box2d.b2Body.prototype.SetType=function(a){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.m_world.IsLocked()),!this.m_world.IsLocked()&&this.m_type!==a){for(this.m_type=a,this.ResetMassData(),this.m_type===box2d.b2BodyType.b2_staticBody&&(this.m_linearVelocity.SetZero(),this.m_angularVelocity=0,this.m_sweep.a0=this.m_sweep.a,this.m_sweep.c0.Copy(this.m_sweep.c),this.SynchronizeFixtures()),this.SetAwake(!0),this.m_force.SetZero(),this.m_torque=0,a=this.m_contactList;a;){var b=a;a=a.next,this.m_world.m_contactManager.Destroy(b.contact)}for(this.m_contactList=null,a=this.m_world.m_contactManager.m_broadPhase,b=this.m_fixtureList;b;b=b.m_next)for(var c=b.m_proxyCount,d=0;d<c;++d)a.TouchProxy(b.m_proxies[d].proxy)}},goog.exportProperty(box2d.b2Body.prototype,"SetType",box2d.b2Body.prototype.SetType),box2d.b2Body.prototype.GetType=function(){return this.m_type},goog.exportProperty(box2d.b2Body.prototype,"GetType",box2d.b2Body.prototype.GetType),box2d.b2Body.prototype.SetBullet=function(a){this.m_flag_bulletFlag=a},goog.exportProperty(box2d.b2Body.prototype,"SetBullet",box2d.b2Body.prototype.SetBullet),box2d.b2Body.prototype.IsBullet=function(){return this.m_flag_bulletFlag},goog.exportProperty(box2d.b2Body.prototype,"IsBullet",box2d.b2Body.prototype.IsBullet),box2d.b2Body.prototype.SetSleepingAllowed=function(a){a?this.m_flag_autoSleepFlag=!0:(this.m_flag_autoSleepFlag=!1,this.SetAwake(!0))},goog.exportProperty(box2d.b2Body.prototype,"SetSleepingAllowed",box2d.b2Body.prototype.SetSleepingAllowed),box2d.b2Body.prototype.IsSleepingAllowed=function(){return this.m_flag_autoSleepFlag},goog.exportProperty(box2d.b2Body.prototype,"IsSleepingAllowed",box2d.b2Body.prototype.IsSleepingAllowed),box2d.b2Body.prototype.SetAwake=function(a){a?this.m_flag_awakeFlag||(this.m_flag_awakeFlag=!0,this.m_sleepTime=0):(this.m_flag_awakeFlag=!1,this.m_sleepTime=0,this.m_linearVelocity.SetZero(),this.m_angularVelocity=0,this.m_force.SetZero(),this.m_torque=0)},goog.exportProperty(box2d.b2Body.prototype,"SetAwake",box2d.b2Body.prototype.SetAwake),box2d.b2Body.prototype.IsAwake=function(){return this.m_flag_awakeFlag},goog.exportProperty(box2d.b2Body.prototype,"IsAwake",box2d.b2Body.prototype.IsAwake),box2d.b2Body.prototype.SetActive=function(a){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.m_world.IsLocked()),a!==this.IsActive())if(a){this.m_flag_activeFlag=!0,a=this.m_world.m_contactManager.m_broadPhase;for(var b=this.m_fixtureList;b;b=b.m_next)b.CreateProxies(a,this.m_xf)}else{for(this.m_flag_activeFlag=!1,a=this.m_world.m_contactManager.m_broadPhase,b=this.m_fixtureList;b;b=b.m_next)b.DestroyProxies(a);for(a=this.m_contactList;a;)b=a,a=a.next,this.m_world.m_contactManager.Destroy(b.contact);this.m_contactList=null}},goog.exportProperty(box2d.b2Body.prototype,"SetActive",box2d.b2Body.prototype.SetActive),box2d.b2Body.prototype.IsActive=function(){return this.m_flag_activeFlag},goog.exportProperty(box2d.b2Body.prototype,"IsActive",box2d.b2Body.prototype.IsActive),box2d.b2Body.prototype.SetFixedRotation=function(a){this.m_flag_fixedRotationFlag!==a&&(this.m_flag_fixedRotationFlag=a,this.m_angularVelocity=0,this.ResetMassData())},goog.exportProperty(box2d.b2Body.prototype,"SetFixedRotation",box2d.b2Body.prototype.SetFixedRotation),box2d.b2Body.prototype.IsFixedRotation=function(){return this.m_flag_fixedRotationFlag},goog.exportProperty(box2d.b2Body.prototype,"IsFixedRotation",box2d.b2Body.prototype.IsFixedRotation),box2d.b2Body.prototype.GetFixtureList=function(){return this.m_fixtureList},goog.exportProperty(box2d.b2Body.prototype,"GetFixtureList",box2d.b2Body.prototype.GetFixtureList),box2d.b2Body.prototype.GetJointList=function(){return this.m_jointList},goog.exportProperty(box2d.b2Body.prototype,"GetJointList",box2d.b2Body.prototype.GetJointList),box2d.b2Body.prototype.GetContactList=function(){return this.m_contactList},goog.exportProperty(box2d.b2Body.prototype,"GetContactList",box2d.b2Body.prototype.GetContactList),box2d.b2Body.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2Body.prototype,"GetNext",box2d.b2Body.prototype.GetNext),box2d.b2Body.prototype.GetUserData=function(){return this.m_userData},goog.exportProperty(box2d.b2Body.prototype,"GetUserData",box2d.b2Body.prototype.GetUserData),box2d.b2Body.prototype.SetUserData=function(a){this.m_userData=a},goog.exportProperty(box2d.b2Body.prototype,"SetUserData",box2d.b2Body.prototype.SetUserData),box2d.b2Body.prototype.GetWorld=function(){return this.m_world},goog.exportProperty(box2d.b2Body.prototype,"GetWorld",box2d.b2Body.prototype.GetWorld),box2d.b2Body.prototype.SynchronizeFixtures=function(){var a=box2d.b2Body.prototype.SynchronizeFixtures.s_xf1;a.q.SetAngle(this.m_sweep.a0),box2d.b2Mul_R_V2(a.q,this.m_sweep.localCenter,a.p),box2d.b2Sub_V2_V2(this.m_sweep.c0,a.p,a.p);for(var b=this.m_world.m_contactManager.m_broadPhase,c=this.m_fixtureList;c;c=c.m_next)c.Synchronize(b,a,this.m_xf)},goog.exportProperty(box2d.b2Body.prototype,"SynchronizeFixtures",box2d.b2Body.prototype.SynchronizeFixtures),box2d.b2Body.prototype.SynchronizeFixtures.s_xf1=new 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this.m_manifold},goog.exportProperty(box2d.b2Contact.prototype,"GetManifold",box2d.b2Contact.prototype.GetManifold),box2d.b2Contact.prototype.GetWorldManifold=function(a){var b=this.m_fixtureA.GetBody(),c=this.m_fixtureB.GetBody(),d=this.m_fixtureA.GetShape(),e=this.m_fixtureB.GetShape();a.Initialize(this.m_manifold,b.GetTransform(),d.m_radius,c.GetTransform(),e.m_radius)},goog.exportProperty(box2d.b2Contact.prototype,"GetWorldManifold",box2d.b2Contact.prototype.GetWorldManifold),box2d.b2Contact.prototype.IsTouching=function(){return this.m_flag_touchingFlag},goog.exportProperty(box2d.b2Contact.prototype,"IsTouching",box2d.b2Contact.prototype.IsTouching),box2d.b2Contact.prototype.SetEnabled=function(a){this.m_flag_enabledFlag=a},goog.exportProperty(box2d.b2Contact.prototype,"SetEnabled",box2d.b2Contact.prototype.SetEnabled),box2d.b2Contact.prototype.IsEnabled=function(){return this.m_flag_enabledFlag},goog.exportProperty(box2d.b2Contact.prototype,"IsEnabled",box2d.b2Contact.prototype.IsEnabled),box2d.b2Contact.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2Contact.prototype,"GetNext",box2d.b2Contact.prototype.GetNext),box2d.b2Contact.prototype.GetFixtureA=function(){return this.m_fixtureA},goog.exportProperty(box2d.b2Contact.prototype,"GetFixtureA",box2d.b2Contact.prototype.GetFixtureA),box2d.b2Contact.prototype.GetChildIndexA=function(){return this.m_indexA},goog.exportProperty(box2d.b2Contact.prototype,"GetChildIndexA",box2d.b2Contact.prototype.GetChildIndexA),box2d.b2Contact.prototype.GetFixtureB=function(){return this.m_fixtureB},goog.exportProperty(box2d.b2Contact.prototype,"GetFixtureB",box2d.b2Contact.prototype.GetFixtureB),box2d.b2Contact.prototype.GetChildIndexB=function(){return this.m_indexB},goog.exportProperty(box2d.b2Contact.prototype,"GetChildIndexB",box2d.b2Contact.prototype.GetChildIndexB),box2d.b2Contact.prototype.Evaluate=function(a,b,c){},goog.exportProperty(box2d.b2Contact.prototype,"Evaluate",box2d.b2Contact.prototype.Evaluate),box2d.b2Contact.prototype.FlagForFiltering=function(){this.m_flag_filterFlag=!0},goog.exportProperty(box2d.b2Contact.prototype,"FlagForFiltering",box2d.b2Contact.prototype.FlagForFiltering),box2d.b2Contact.prototype.SetFriction=function(a){this.m_friction=a},goog.exportProperty(box2d.b2Contact.prototype,"SetFriction",box2d.b2Contact.prototype.SetFriction),box2d.b2Contact.prototype.GetFriction=function(){return this.m_friction},goog.exportProperty(box2d.b2Contact.prototype,"GetFriction",box2d.b2Contact.prototype.GetFriction),box2d.b2Contact.prototype.ResetFriction=function(){this.m_friction=box2d.b2MixFriction(this.m_fixtureA.m_friction,this.m_fixtureB.m_friction)},goog.exportProperty(box2d.b2Contact.prototype,"ResetFriction",box2d.b2Contact.prototype.ResetFriction),box2d.b2Contact.prototype.SetRestitution=function(a){this.m_restitution=a},goog.exportProperty(box2d.b2Contact.prototype,"SetRestitution",box2d.b2Contact.prototype.SetRestitution),box2d.b2Contact.prototype.GetRestitution=function(){return this.m_restitution},goog.exportProperty(box2d.b2Contact.prototype,"GetRestitution",box2d.b2Contact.prototype.GetRestitution),box2d.b2Contact.prototype.ResetRestitution=function(){this.m_restitution=box2d.b2MixRestitution(this.m_fixtureA.m_restitution,this.m_fixtureB.m_restitution)},goog.exportProperty(box2d.b2Contact.prototype,"ResetRestitution",box2d.b2Contact.prototype.ResetRestitution),box2d.b2Contact.prototype.SetTangentSpeed=function(a){this.m_tangentSpeed=a},goog.exportProperty(box2d.b2Contact.prototype,"SetTangentSpeed",box2d.b2Contact.prototype.SetTangentSpeed),box2d.b2Contact.prototype.GetTangentSpeed=function(){return this.m_tangentSpeed},goog.exportProperty(box2d.b2Contact.prototype,"GetTangentSpeed",box2d.b2Contact.prototype.GetTangentSpeed),box2d.b2Contact.prototype.Reset=function(a,b,c,d){this.m_flag_touchingFlag=this.m_flag_islandFlag=!1,this.m_flag_enabledFlag=!0,this.m_flag_toiFlag=this.m_flag_bulletHitFlag=this.m_flag_filterFlag=!1,this.m_fixtureA=a,this.m_fixtureB=c,this.m_indexA=b,this.m_indexB=d,this.m_manifold.pointCount=0,this.m_next=this.m_prev=null,this.m_nodeA.contact=null,this.m_nodeA.prev=null,this.m_nodeA.next=null,this.m_nodeA.other=null,this.m_nodeB.contact=null,this.m_nodeB.prev=null,this.m_nodeB.next=null,this.m_nodeB.other=null,this.m_toiCount=0,this.m_friction=box2d.b2MixFriction(this.m_fixtureA.m_friction,this.m_fixtureB.m_friction),this.m_restitution=box2d.b2MixRestitution(this.m_fixtureA.m_restitution,this.m_fixtureB.m_restitution)},goog.exportProperty(box2d.b2Contact.prototype,"Reset",box2d.b2Contact.prototype.Reset),box2d.b2Contact.prototype.Update=function(a){var b=this.m_oldManifold;this.m_oldManifold=this.m_manifold,this.m_manifold=b,this.m_flag_enabledFlag=!0;var c=!1,d=(b=this.m_flag_touchingFlag,this.m_fixtureA.IsSensor()),e=this.m_fixtureB.IsSensor(),f=(d=d||e,e=this.m_fixtureA.GetBody(),this.m_fixtureB.GetBody()),g=(c=e.GetTransform(),f.GetTransform());if(d)e=this.m_fixtureA.GetShape(),f=this.m_fixtureB.GetShape(),c=box2d.b2TestOverlap_Shape(e,this.m_indexA,f,this.m_indexB,c,g),this.m_manifold.pointCount=0;else{for(this.Evaluate(this.m_manifold,c,g),c=0<this.m_manifold.pointCount,g=0;g<this.m_manifold.pointCount;++g){var h=this.m_manifold.points[g];h.normalImpulse=0,h.tangentImpulse=0;for(var k=h.id,l=0;l<this.m_oldManifold.pointCount;++l){var m=this.m_oldManifold.points[l];if(m.id.key===k.key){h.normalImpulse=m.normalImpulse,h.tangentImpulse=m.tangentImpulse;break}}}c!==b&&(e.SetAwake(!0),f.SetAwake(!0))}this.m_flag_touchingFlag=c,!b&&c&&a&&a.BeginContact(this),b&&!c&&a&&a.EndContact(this),!d&&c&&a&&a.PreSolve(this,this.m_oldManifold)},goog.exportProperty(box2d.b2Contact.prototype,"Update",box2d.b2Contact.prototype.Update),box2d.b2Contact.prototype.ComputeTOI=function(a,b){var c=box2d.b2Contact.prototype.ComputeTOI.s_input;c.proxyA.SetShape(this.m_fixtureA.GetShape(),this.m_indexA),c.proxyB.SetShape(this.m_fixtureB.GetShape(),this.m_indexB),c.sweepA.Copy(a),c.sweepB.Copy(b),c.tMax=box2d.b2_linearSlop;var d=box2d.b2Contact.prototype.ComputeTOI.s_output;return box2d.b2TimeOfImpact(d,c),d.t},goog.exportProperty(box2d.b2Contact.prototype,"ComputeTOI",box2d.b2Contact.prototype.ComputeTOI),box2d.b2Contact.prototype.ComputeTOI.s_input=new box2d.b2TOIInput,box2d.b2Contact.prototype.ComputeTOI.s_output=new box2d.b2TOIOutput,box2d.b2ChainAndCircleContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2ChainAndCircleContact,box2d.b2Contact),goog.exportSymbol("box2d.b2ChainAndCircleContact",box2d.b2ChainAndCircleContact),box2d.b2ChainAndCircleContact.Create=function(a){return new box2d.b2ChainAndCircleContact},goog.exportProperty(box2d.b2ChainAndCircleContact,"Create",box2d.b2ChainAndCircleContact.Create),box2d.b2ChainAndCircleContact.Destroy=function(a,b){},goog.exportProperty(box2d.b2ChainAndCircleContact,"Destroy",box2d.b2ChainAndCircleContact.Destroy),box2d.b2ChainAndCircleContact.prototype.Evaluate=function(a,b,c){var d=this.m_fixtureA.GetShape(),e=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(d instanceof box2d.b2ChainShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(e instanceof box2d.b2CircleShape);var f=box2d.b2ChainAndCircleContact.prototype.Evaluate.s_edge;(d instanceof box2d.b2ChainShape?d:null).GetChildEdge(f,this.m_indexA),box2d.b2CollideEdgeAndCircle(a,f,b,e instanceof box2d.b2CircleShape?e:null,c)},goog.exportProperty(box2d.b2ChainAndCircleContact.prototype,"Evaluate",box2d.b2ChainAndCircleContact.prototype.Evaluate),box2d.b2ChainAndCircleContact.prototype.Evaluate.s_edge=new box2d.b2EdgeShape,box2d.b2ChainAndPolygonContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2ChainAndPolygonContact,box2d.b2Contact),goog.exportSymbol("box2d.b2ChainAndPolygonContact",box2d.b2ChainAndPolygonContact),box2d.b2ChainAndPolygonContact.Create=function(a){return new box2d.b2ChainAndPolygonContact},goog.exportProperty(box2d.b2ChainAndPolygonContact,"Create",box2d.b2ChainAndPolygonContact.Create),box2d.b2ChainAndPolygonContact.Destroy=function(a,b){},goog.exportProperty(box2d.b2ChainAndPolygonContact,"Destroy",box2d.b2ChainAndPolygonContact.Destroy),box2d.b2ChainAndPolygonContact.prototype.Evaluate=function(a,b,c){var d=this.m_fixtureA.GetShape(),e=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(d instanceof box2d.b2ChainShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(e instanceof box2d.b2PolygonShape);var f=box2d.b2ChainAndPolygonContact.prototype.Evaluate.s_edge;(d instanceof box2d.b2ChainShape?d:null).GetChildEdge(f,this.m_indexA),box2d.b2CollideEdgeAndPolygon(a,f,b,e instanceof box2d.b2PolygonShape?e:null,c)},goog.exportProperty(box2d.b2ChainAndPolygonContact.prototype,"Evaluate",box2d.b2ChainAndPolygonContact.prototype.Evaluate),box2d.b2ChainAndPolygonContact.prototype.Evaluate.s_edge=new box2d.b2EdgeShape,box2d.b2CircleContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2CircleContact,box2d.b2Contact),goog.exportSymbol("box2d.b2CircleContact",box2d.b2CircleContact),box2d.b2CircleContact.Create=function(a){return new box2d.b2CircleContact},goog.exportProperty(box2d.b2CircleContact,"Create",box2d.b2CircleContact.Create),box2d.b2CircleContact.Destroy=function(a,b){},goog.exportProperty(box2d.b2CircleContact,"Destroy",box2d.b2CircleContact.Destroy),box2d.b2CircleContact.prototype.Evaluate=function(a,b,c){var d=this.m_fixtureA.GetShape(),e=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(d instanceof box2d.b2CircleShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(e instanceof box2d.b2CircleShape),box2d.b2CollideCircles(a,d instanceof box2d.b2CircleShape?d:null,b,e instanceof box2d.b2CircleShape?e:null,c)},goog.exportProperty(box2d.b2CircleContact.prototype,"Evaluate",box2d.b2CircleContact.prototype.Evaluate),box2d.b2ContactRegister=function(){},goog.exportSymbol("box2d.b2ContactRegister",box2d.b2ContactRegister),box2d.b2ContactRegister.prototype.createFcn=null,box2d.b2ContactRegister.prototype.destroyFcn=null,box2d.b2ContactRegister.prototype.primary=!1,box2d.b2ContactFactory=function(a){this.m_allocator=a,this.InitializeRegisters()},goog.exportSymbol("box2d.b2ContactFactory",box2d.b2ContactFactory),box2d.b2ContactFactory.prototype.m_allocator=null,box2d.b2ContactFactory.prototype.AddType=function(a,b,c,d){var e=box2d.b2MakeArray(256,function(b){return a()});b=function(b){return 0<e.length?e.pop():a(b)};var f=function(a,b){e.push(a)};this.m_registers[c][d].pool=e,this.m_registers[c][d].createFcn=b,this.m_registers[c][d].destroyFcn=f,this.m_registers[c][d].primary=!0,c!==d&&(this.m_registers[d][c].pool=e,this.m_registers[d][c].createFcn=b,this.m_registers[d][c].destroyFcn=f,this.m_registers[d][c].primary=!1)},goog.exportProperty(box2d.b2ContactFactory.prototype,"AddType",box2d.b2ContactFactory.prototype.AddType),box2d.b2ContactFactory.prototype.InitializeRegisters=function(){this.m_registers=Array(box2d.b2ShapeType.e_shapeTypeCount);for(var a=0;a<box2d.b2ShapeType.e_shapeTypeCount;a++){this.m_registers[a]=Array(box2d.b2ShapeType.e_shapeTypeCount);for(var b=0;b<box2d.b2ShapeType.e_shapeTypeCount;b++)this.m_registers[a][b]=new box2d.b2ContactRegister}this.AddType(box2d.b2CircleContact.Create,box2d.b2CircleContact.Destroy,box2d.b2ShapeType.e_circleShape,box2d.b2ShapeType.e_circleShape),this.AddType(box2d.b2PolygonAndCircleContact.Create,box2d.b2PolygonAndCircleContact.Destroy,box2d.b2ShapeType.e_polygonShape,box2d.b2ShapeType.e_circleShape),this.AddType(box2d.b2PolygonContact.Create,box2d.b2PolygonContact.Destroy,box2d.b2ShapeType.e_polygonShape,box2d.b2ShapeType.e_polygonShape),this.AddType(box2d.b2EdgeAndCircleContact.Create,box2d.b2EdgeAndCircleContact.Destroy,box2d.b2ShapeType.e_edgeShape,box2d.b2ShapeType.e_circleShape),this.AddType(box2d.b2EdgeAndPolygonContact.Create,box2d.b2EdgeAndPolygonContact.Destroy,box2d.b2ShapeType.e_edgeShape,box2d.b2ShapeType.e_polygonShape),this.AddType(box2d.b2ChainAndCircleContact.Create,box2d.b2ChainAndCircleContact.Destroy,box2d.b2ShapeType.e_chainShape,box2d.b2ShapeType.e_circleShape),this.AddType(box2d.b2ChainAndPolygonContact.Create,box2d.b2ChainAndPolygonContact.Destroy,box2d.b2ShapeType.e_chainShape,box2d.b2ShapeType.e_polygonShape)},goog.exportProperty(box2d.b2ContactFactory.prototype,"InitializeRegisters",box2d.b2ContactFactory.prototype.InitializeRegisters),box2d.b2ContactFactory.prototype.Create=function(a,b,c,d){var e=a.GetType(),f=c.GetType();return box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=e&&e<box2d.b2ShapeType.e_shapeTypeCount),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=f&&f<box2d.b2ShapeType.e_shapeTypeCount),null!==(f=(e=this.m_registers[e][f]).createFcn)?(e.primary?(e=f(this.m_allocator)).Reset(a,b,c,d):(e=f(this.m_allocator)).Reset(c,d,a,b),e):null},goog.exportProperty(box2d.b2ContactFactory.prototype,"Create",box2d.b2ContactFactory.prototype.Create),box2d.b2ContactFactory.prototype.Destroy=function(a){var b=a.m_fixtureA,c=a.m_fixtureB;0<a.m_manifold.pointCount&&!b.IsSensor()&&!c.IsSensor()&&(b.GetBody().SetAwake(!0),c.GetBody().SetAwake(!0)),b=b.GetType(),c=c.GetType(),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=b&&c<box2d.b2ShapeType.e_shapeTypeCount),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=b&&c<box2d.b2ShapeType.e_shapeTypeCount),(c=this.m_registers[b][c].destroyFcn)(a,this.m_allocator)},goog.exportProperty(box2d.b2ContactFactory.prototype,"Destroy",box2d.b2ContactFactory.prototype.Destroy),box2d.b2ContactManager=function(){this.m_broadPhase=new box2d.b2BroadPhase,this.m_contactFactory=new box2d.b2ContactFactory(this.m_allocator)},box2d.b2ContactManager.prototype.m_broadPhase=null,goog.exportProperty(box2d.b2ContactManager.prototype,"m_broadPhase",box2d.b2ContactManager.prototype.m_broadPhase),box2d.b2ContactManager.prototype.m_contactList=null,goog.exportProperty(box2d.b2ContactManager.prototype,"m_contactList",box2d.b2ContactManager.prototype.m_contactList),box2d.b2ContactManager.prototype.m_contactCount=0,goog.exportProperty(box2d.b2ContactManager.prototype,"m_contactCount",box2d.b2ContactManager.prototype.m_contactCount),box2d.b2ContactManager.prototype.m_contactFilter=box2d.b2ContactFilter.b2_defaultFilter,goog.exportProperty(box2d.b2ContactManager.prototype,"m_contactFilter",box2d.b2ContactManager.prototype.m_contactFilter),box2d.b2ContactManager.prototype.m_contactListener=box2d.b2ContactListener.b2_defaultListener,goog.exportProperty(box2d.b2ContactManager.prototype,"m_contactListener",box2d.b2ContactManager.prototype.m_contactListener),box2d.b2ContactManager.prototype.m_allocator=null,goog.exportProperty(box2d.b2ContactManager.prototype,"m_allocator",box2d.b2ContactManager.prototype.m_allocator),box2d.b2ContactManager.prototype.m_contactFactory=null,goog.exportProperty(box2d.b2ContactManager.prototype,"m_contactFactory",box2d.b2ContactManager.prototype.m_contactFactory),box2d.b2ContactManager.prototype.Destroy=function(a){var b=a.GetFixtureA(),c=a.GetFixtureB();b=b.GetBody(),c=c.GetBody();this.m_contactListener&&a.IsTouching()&&this.m_contactListener.EndContact(a),a.m_prev&&(a.m_prev.m_next=a.m_next),a.m_next&&(a.m_next.m_prev=a.m_prev),a===this.m_contactList&&(this.m_contactList=a.m_next),a.m_nodeA.prev&&(a.m_nodeA.prev.next=a.m_nodeA.next),a.m_nodeA.next&&(a.m_nodeA.next.prev=a.m_nodeA.prev),a.m_nodeA===b.m_contactList&&(b.m_contactList=a.m_nodeA.next),a.m_nodeB.prev&&(a.m_nodeB.prev.next=a.m_nodeB.next),a.m_nodeB.next&&(a.m_nodeB.next.prev=a.m_nodeB.prev),a.m_nodeB===c.m_contactList&&(c.m_contactList=a.m_nodeB.next),this.m_contactFactory.Destroy(a),--this.m_contactCount},goog.exportProperty(box2d.b2ContactManager.prototype,"Destroy",box2d.b2ContactManager.prototype.Destroy),box2d.b2ContactManager.prototype.Collide=function(){for(var a=this.m_contactList;a;){var b=a.GetFixtureA(),c=a.GetFixtureB(),d=a.GetChildIndexA(),e=a.GetChildIndexB(),f=b.GetBody(),g=c.GetBody();if(a.m_flag_filterFlag){if(!g.ShouldCollide(f)){a=(b=a).m_next,this.Destroy(b);continue}if(this.m_contactFilter&&!this.m_contactFilter.ShouldCollide(b,c)){a=(b=a).m_next,this.Destroy(b);continue}a.m_flag_filterFlag=!1}f=f.IsAwake()&&f.m_type!==box2d.b2BodyType.b2_staticBody,g=g.IsAwake()&&g.m_type!==box2d.b2BodyType.b2_staticBody,f||g?this.m_broadPhase.TestOverlap(b.m_proxies[d].proxy,c.m_proxies[e].proxy)?(a.Update(this.m_contactListener),a=a.m_next):(a=(b=a).m_next,this.Destroy(b)):a=a.m_next}},goog.exportProperty(box2d.b2ContactManager.prototype,"Collide",box2d.b2ContactManager.prototype.Collide),box2d.b2ContactManager.prototype.FindNewContacts=function(){this.m_broadPhase.UpdatePairs(this)},goog.exportProperty(box2d.b2ContactManager.prototype,"FindNewContacts",box2d.b2ContactManager.prototype.FindNewContacts),box2d.b2ContactManager.prototype.AddPair=function(a,b){box2d.ENABLE_ASSERTS&&box2d.b2Assert(a instanceof box2d.b2FixtureProxy),box2d.ENABLE_ASSERTS&&box2d.b2Assert(b instanceof box2d.b2FixtureProxy);var c=a.fixture,d=b.fixture,e=a.childIndex,f=b.childIndex,g=c.GetBody(),h=d.GetBody();if(g!==h){for(var k=h.GetContactList();k;){if(k.other===g){var l=k.contact.GetFixtureA(),m=k.contact.GetFixtureB(),n=k.contact.GetChildIndexA(),p=k.contact.GetChildIndexB();if(l===c&&m===d&&n===e&&p===f||l===d&&m===c&&n===f&&p===e)return}k=k.next}!h.ShouldCollide(g)||this.m_contactFilter&&!this.m_contactFilter.ShouldCollide(c,d)||null!==(e=this.m_contactFactory.Create(c,e,d,f))&&(c=e.GetFixtureA(),d=e.GetFixtureB(),g=c.m_body,h=d.m_body,e.m_prev=null,e.m_next=this.m_contactList,null!==this.m_contactList&&(this.m_contactList.m_prev=e),this.m_contactList=e,e.m_nodeA.contact=e,e.m_nodeA.other=h,e.m_nodeA.prev=null,e.m_nodeA.next=g.m_contactList,null!==g.m_contactList&&(g.m_contactList.prev=e.m_nodeA),g.m_contactList=e.m_nodeA,e.m_nodeB.contact=e,e.m_nodeB.other=g,e.m_nodeB.prev=null,e.m_nodeB.next=h.m_contactList,null!==h.m_contactList&&(h.m_contactList.prev=e.m_nodeB),h.m_contactList=e.m_nodeB,c.IsSensor()||d.IsSensor()||(g.SetAwake(!0),h.SetAwake(!0)),++this.m_contactCount)}},goog.exportProperty(box2d.b2ContactManager.prototype,"AddPair",box2d.b2ContactManager.prototype.AddPair),box2d.b2EdgeAndCircleContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2EdgeAndCircleContact,box2d.b2Contact),goog.exportSymbol("box2d.b2EdgeAndCircleContact",box2d.b2EdgeAndCircleContact),box2d.b2EdgeAndCircleContact.Create=function(a){return new box2d.b2EdgeAndCircleContact},goog.exportProperty(box2d.b2EdgeAndCircleContact,"Create",box2d.b2EdgeAndCircleContact.Create),box2d.b2EdgeAndCircleContact.Destroy=function(a,b){},goog.exportProperty(box2d.b2EdgeAndCircleContact,"Destroy",box2d.b2EdgeAndCircleContact.Destroy),box2d.b2EdgeAndCircleContact.prototype.Evaluate=function(a,b,c){var d=this.m_fixtureA.GetShape(),e=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(d instanceof box2d.b2EdgeShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(e instanceof box2d.b2CircleShape),box2d.b2CollideEdgeAndCircle(a,d instanceof box2d.b2EdgeShape?d:null,b,e instanceof box2d.b2CircleShape?e:null,c)},goog.exportProperty(box2d.b2EdgeAndCircleContact.prototype,"Evaluate",box2d.b2EdgeAndCircleContact.prototype.Evaluate),box2d.b2EdgeAndPolygonContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2EdgeAndPolygonContact,box2d.b2Contact),goog.exportSymbol("box2d.b2EdgeAndPolygonContact",box2d.b2EdgeAndPolygonContact),box2d.b2EdgeAndPolygonContact.Create=function(a){return new box2d.b2EdgeAndPolygonContact},goog.exportProperty(box2d.b2EdgeAndPolygonContact,"Create",box2d.b2EdgeAndPolygonContact.Create),box2d.b2EdgeAndPolygonContact.Destroy=function(a,b){},goog.exportProperty(box2d.b2EdgeAndPolygonContact,"Destroy",box2d.b2EdgeAndPolygonContact.Destroy),box2d.b2EdgeAndPolygonContact.prototype.Evaluate=function(a,b,c){var d=this.m_fixtureA.GetShape(),e=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(d instanceof box2d.b2EdgeShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(e instanceof box2d.b2PolygonShape),box2d.b2CollideEdgeAndPolygon(a,d instanceof box2d.b2EdgeShape?d:null,b,e instanceof box2d.b2PolygonShape?e:null,c)},goog.exportProperty(box2d.b2EdgeAndPolygonContact.prototype,"Evaluate",box2d.b2EdgeAndPolygonContact.prototype.Evaluate),box2d.b2PolygonAndCircleContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2PolygonAndCircleContact,box2d.b2Contact),goog.exportSymbol("box2d.b2PolygonAndCircleContact",box2d.b2PolygonAndCircleContact),box2d.b2PolygonAndCircleContact.Create=function(a){return new box2d.b2PolygonAndCircleContact},goog.exportProperty(box2d.b2PolygonAndCircleContact,"Create",box2d.b2PolygonAndCircleContact.Create),box2d.b2PolygonAndCircleContact.Destroy=function(a,b){},goog.exportProperty(box2d.b2PolygonAndCircleContact,"Destroy",box2d.b2PolygonAndCircleContact.Destroy),box2d.b2PolygonAndCircleContact.prototype.Evaluate=function(a,b,c){var d=this.m_fixtureA.GetShape(),e=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(d instanceof box2d.b2PolygonShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(e instanceof box2d.b2CircleShape),box2d.b2CollidePolygonAndCircle(a,d instanceof box2d.b2PolygonShape?d:null,b,e instanceof box2d.b2CircleShape?e:null,c)},goog.exportProperty(box2d.b2PolygonAndCircleContact.prototype,"Evaluate",box2d.b2PolygonAndCircleContact.prototype.Evaluate),box2d.b2PolygonContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2PolygonContact,box2d.b2Contact),goog.exportSymbol("box2d.b2PolygonContact",box2d.b2PolygonContact),box2d.b2PolygonContact.Create=function(a){return new box2d.b2PolygonContact},goog.exportProperty(box2d.b2PolygonContact,"Create",box2d.b2PolygonContact.Create),box2d.b2PolygonContact.Destroy=function(a,b){},goog.exportProperty(box2d.b2PolygonContact,"Destroy",box2d.b2PolygonContact.Destroy),box2d.b2PolygonContact.prototype.Evaluate=function(a,b,c){var d=this.m_fixtureA.GetShape(),e=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(d instanceof box2d.b2PolygonShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(e instanceof box2d.b2PolygonShape),box2d.b2CollidePolygons(a,d instanceof box2d.b2PolygonShape?d:null,b,e instanceof box2d.b2PolygonShape?e:null,c)},goog.exportProperty(box2d.b2PolygonContact.prototype,"Evaluate",box2d.b2PolygonContact.prototype.Evaluate),box2d.g_blockSolve=!0,box2d.b2VelocityConstraintPoint=function(){this.rA=new box2d.b2Vec2,this.rB=new box2d.b2Vec2},goog.exportSymbol("box2d.b2VelocityConstraintPoint",box2d.b2VelocityConstraintPoint),box2d.b2VelocityConstraintPoint.prototype.rA=null,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"rA",box2d.b2VelocityConstraintPoint.prototype.rA),box2d.b2VelocityConstraintPoint.prototype.rB=null,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"rB",box2d.b2VelocityConstraintPoint.prototype.rB),box2d.b2VelocityConstraintPoint.prototype.normalImpulse=0,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"normalImpulse",box2d.b2VelocityConstraintPoint.prototype.normalImpulse),box2d.b2VelocityConstraintPoint.prototype.tangentImpulse=0,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"tangentImpulse",box2d.b2VelocityConstraintPoint.prototype.tangentImpulse),box2d.b2VelocityConstraintPoint.prototype.normalMass=0,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"normalMass",box2d.b2VelocityConstraintPoint.prototype.normalMass),box2d.b2VelocityConstraintPoint.prototype.tangentMass=0,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"tangentMass",box2d.b2VelocityConstraintPoint.prototype.tangentMass),box2d.b2VelocityConstraintPoint.prototype.velocityBias=0,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"velocityBias",box2d.b2VelocityConstraintPoint.prototype.velocityBias),box2d.b2VelocityConstraintPoint.MakeArray=function(a){return box2d.b2MakeArray(a,function(a){return new box2d.b2VelocityConstraintPoint})},goog.exportProperty(box2d.b2VelocityConstraintPoint,"MakeArray",box2d.b2VelocityConstraintPoint.MakeArray),box2d.b2ContactVelocityConstraint=function(){this.points=box2d.b2VelocityConstraintPoint.MakeArray(box2d.b2_maxManifoldPoints),this.normal=new box2d.b2Vec2,this.tangent=new box2d.b2Vec2,this.normalMass=new box2d.b2Mat22,this.K=new box2d.b2Mat22},goog.exportSymbol("box2d.b2ContactVelocityConstraint",box2d.b2ContactVelocityConstraint),box2d.b2ContactVelocityConstraint.prototype.points=null,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"points",box2d.b2ContactVelocityConstraint.prototype.points),box2d.b2ContactVelocityConstraint.prototype.normal=null,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"normal",box2d.b2ContactVelocityConstraint.prototype.normal),box2d.b2ContactVelocityConstraint.prototype.tangent=null,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"tangent",box2d.b2ContactVelocityConstraint.prototype.tangent),box2d.b2ContactVelocityConstraint.prototype.normalMass=null,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"normalMass",box2d.b2ContactVelocityConstraint.prototype.normalMass),box2d.b2ContactVelocityConstraint.prototype.K=null,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"K",box2d.b2ContactVelocityConstraint.prototype.K),box2d.b2ContactVelocityConstraint.prototype.indexA=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"indexA",box2d.b2ContactVelocityConstraint.prototype.indexA),box2d.b2ContactVelocityConstraint.prototype.indexB=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"indexB",box2d.b2ContactVelocityConstraint.prototype.indexB),box2d.b2ContactVelocityConstraint.prototype.invMassA=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"invMassA",box2d.b2ContactVelocityConstraint.prototype.invMassA),box2d.b2ContactVelocityConstraint.prototype.invMassB=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"invMassB",box2d.b2ContactVelocityConstraint.prototype.invMassB),box2d.b2ContactVelocityConstraint.prototype.invIA=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"invIA",box2d.b2ContactVelocityConstraint.prototype.invIA),box2d.b2ContactVelocityConstraint.prototype.invIB=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"invIB",box2d.b2ContactVelocityConstraint.prototype.invIB),box2d.b2ContactVelocityConstraint.prototype.friction=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"friction",box2d.b2ContactVelocityConstraint.prototype.friction),box2d.b2ContactVelocityConstraint.prototype.restitution=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"restitution",box2d.b2ContactVelocityConstraint.prototype.restitution),box2d.b2ContactVelocityConstraint.prototype.tangentSpeed=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"tangentSpeed",box2d.b2ContactVelocityConstraint.prototype.tangentSpeed),box2d.b2ContactVelocityConstraint.prototype.pointCount=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"pointCount",box2d.b2ContactVelocityConstraint.prototype.pointCount),box2d.b2ContactVelocityConstraint.prototype.contactIndex=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"contactIndex",box2d.b2ContactVelocityConstraint.prototype.contactIndex),box2d.b2ContactVelocityConstraint.MakeArray=function(a){return box2d.b2MakeArray(a,function(a){return new box2d.b2ContactVelocityConstraint})},goog.exportProperty(box2d.b2ContactVelocityConstraint,"MakeArray",box2d.b2ContactVelocityConstraint.MakeArray),box2d.b2ContactPositionConstraint=function(){this.localPoints=box2d.b2Vec2.MakeArray(box2d.b2_maxManifoldPoints),this.localNormal=new box2d.b2Vec2,this.localPoint=new box2d.b2Vec2,this.localCenterA=new box2d.b2Vec2,this.localCenterB=new box2d.b2Vec2},goog.exportSymbol("box2d.b2ContactPositionConstraint",box2d.b2ContactPositionConstraint),box2d.b2ContactPositionConstraint.prototype.localPoints=null,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"localPoints",box2d.b2ContactPositionConstraint.prototype.localPoints),box2d.b2ContactPositionConstraint.prototype.localNormal=null,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"localNormal",box2d.b2ContactPositionConstraint.prototype.localNormal),box2d.b2ContactPositionConstraint.prototype.localPoint=null,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"localPoint",box2d.b2ContactPositionConstraint.prototype.localPoint),box2d.b2ContactPositionConstraint.prototype.indexA=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"indexA",box2d.b2ContactPositionConstraint.prototype.indexA),box2d.b2ContactPositionConstraint.prototype.indexB=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"indexB",box2d.b2ContactPositionConstraint.prototype.indexB),box2d.b2ContactPositionConstraint.prototype.invMassA=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"invMassA",box2d.b2ContactPositionConstraint.prototype.invMassA),box2d.b2ContactPositionConstraint.prototype.invMassB=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"invMassB",box2d.b2ContactPositionConstraint.prototype.invMassB),box2d.b2ContactPositionConstraint.prototype.localCenterA=null,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"localCenterA",box2d.b2ContactPositionConstraint.prototype.localCenterA),box2d.b2ContactPositionConstraint.prototype.localCenterB=null,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"localCenterB",box2d.b2ContactPositionConstraint.prototype.localCenterB),box2d.b2ContactPositionConstraint.prototype.invIA=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"invIA",box2d.b2ContactPositionConstraint.prototype.invIA),box2d.b2ContactPositionConstraint.prototype.invIB=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"invIB",box2d.b2ContactPositionConstraint.prototype.invIB),box2d.b2ContactPositionConstraint.prototype.type=box2d.b2ManifoldType.e_unknown,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"type",box2d.b2ContactPositionConstraint.prototype.type),box2d.b2ContactPositionConstraint.prototype.radiusA=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"radiusA",box2d.b2ContactPositionConstraint.prototype.radiusA),box2d.b2ContactPositionConstraint.prototype.radiusB=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"radiusB",box2d.b2ContactPositionConstraint.prototype.radiusB),box2d.b2ContactPositionConstraint.prototype.pointCount=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"pointCount",box2d.b2ContactPositionConstraint.prototype.pointCount),box2d.b2ContactPositionConstraint.MakeArray=function(a){return box2d.b2MakeArray(a,function(a){return new box2d.b2ContactPositionConstraint})},goog.exportProperty(box2d.b2ContactPositionConstraint,"MakeArray",box2d.b2ContactPositionConstraint.MakeArray),box2d.b2ContactSolverDef=function(){this.step=new box2d.b2TimeStep},goog.exportSymbol("box2d.b2ContactSolverDef",box2d.b2ContactSolverDef),box2d.b2ContactSolverDef.prototype.step=null,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"step",box2d.b2ContactSolverDef.prototype.step),box2d.b2ContactSolverDef.prototype.contacts=null,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"contacts",box2d.b2ContactSolverDef.prototype.contacts),box2d.b2ContactSolverDef.prototype.count=0,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"count",box2d.b2ContactSolverDef.prototype.count),box2d.b2ContactSolverDef.prototype.positions=null,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"positions",box2d.b2ContactSolverDef.prototype.positions),box2d.b2ContactSolverDef.prototype.velocities=null,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"velocities",box2d.b2ContactSolverDef.prototype.velocities),box2d.b2ContactSolverDef.prototype.allocator=null,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"allocator",box2d.b2ContactSolverDef.prototype.allocator);box2d.b2ContactSolver=function(){this.m_step=new box2d.b2TimeStep,this.m_positionConstraints=box2d.b2ContactPositionConstraint.MakeArray(1024),this.m_velocityConstraints=box2d.b2ContactVelocityConstraint.MakeArray(1024)},goog.exportSymbol("box2d.b2ContactSolver",box2d.b2ContactSolver),box2d.b2ContactSolver.prototype.m_step=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_step",box2d.b2ContactSolver.prototype.m_step),box2d.b2ContactSolver.prototype.m_positions=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_positions",box2d.b2ContactSolver.prototype.m_positions),box2d.b2ContactSolver.prototype.m_velocities=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_velocities",box2d.b2ContactSolver.prototype.m_velocities),box2d.b2ContactSolver.prototype.m_allocator=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_allocator",box2d.b2ContactSolver.prototype.m_allocator),box2d.b2ContactSolver.prototype.m_positionConstraints=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_positionConstraints",box2d.b2ContactSolver.prototype.m_positionConstraints),box2d.b2ContactSolver.prototype.m_velocityConstraints=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_velocityConstraints",box2d.b2ContactSolver.prototype.m_velocityConstraints),box2d.b2ContactSolver.prototype.m_contacts=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_contacts",box2d.b2ContactSolver.prototype.m_contacts),box2d.b2ContactSolver.prototype.m_count=0,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_count",box2d.b2ContactSolver.prototype.m_count),box2d.b2ContactSolver.prototype.Initialize=function(a){if(this.m_step.Copy(a.step),this.m_allocator=a.allocator,this.m_count=a.count,this.m_positionConstraints.length<this.m_count){var b=box2d.b2Max(2*this.m_positionConstraints.length,this.m_count);for(box2d.DEBUG&&window.console.log("box2d.b2ContactSolver.m_positionConstraints: "+b);this.m_positionConstraints.length<b;)this.m_positionConstraints[this.m_positionConstraints.length]=new box2d.b2ContactPositionConstraint}if(this.m_velocityConstraints.length<this.m_count)for(b=box2d.b2Max(2*this.m_velocityConstraints.length,this.m_count),box2d.DEBUG&&window.console.log("box2d.b2ContactSolver.m_velocityConstraints: "+b);this.m_velocityConstraints.length<b;)this.m_velocityConstraints[this.m_velocityConstraints.length]=new box2d.b2ContactVelocityConstraint;var c,d,e,f,g,h,k,l;for(this.m_positions=a.positions,this.m_velocities=a.velocities,this.m_contacts=a.contacts,a=0,b=this.m_count;a<b;++a)for(f=(e=this.m_contacts[a]).m_fixtureA,g=e.m_fixtureB,c=f.GetShape(),d=g.GetShape(),c=c.m_radius,d=d.m_radius,h=f.GetBody(),k=g.GetBody(),l=(g=e.GetManifold()).pointCount,box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<l),(f=this.m_velocityConstraints[a]).friction=e.m_friction,f.restitution=e.m_restitution,f.tangentSpeed=e.m_tangentSpeed,f.indexA=h.m_islandIndex,f.indexB=k.m_islandIndex,f.invMassA=h.m_invMass,f.invMassB=k.m_invMass,f.invIA=h.m_invI,f.invIB=k.m_invI,f.contactIndex=a,f.pointCount=l,f.K.SetZero(),f.normalMass.SetZero(),(e=this.m_positionConstraints[a]).indexA=h.m_islandIndex,e.indexB=k.m_islandIndex,e.invMassA=h.m_invMass,e.invMassB=k.m_invMass,e.localCenterA.Copy(h.m_sweep.localCenter),e.localCenterB.Copy(k.m_sweep.localCenter),e.invIA=h.m_invI,e.invIB=k.m_invI,e.localNormal.Copy(g.localNormal),e.localPoint.Copy(g.localPoint),e.pointCount=l,e.radiusA=c,e.radiusB=d,e.type=g.type,c=0,d=l;c<d;++c)h=g.points[c],l=f.points[c],this.m_step.warmStarting?(l.normalImpulse=this.m_step.dtRatio*h.normalImpulse,l.tangentImpulse=this.m_step.dtRatio*h.tangentImpulse):(l.normalImpulse=0,l.tangentImpulse=0),l.rA.SetZero(),l.rB.SetZero(),l.normalMass=0,l.tangentMass=0,l.velocityBias=0,e.localPoints[c].Copy(h.localPoint);return this},goog.exportProperty(box2d.b2ContactSolver.prototype,"Initialize",box2d.b2ContactSolver.prototype.Initialize),box2d.b2ContactSolver.prototype.InitializeVelocityConstraints=function(){var a,b,c,d,e,f,g,h,k,l,m,n,p,q,r,u,t,w,x,v,y=box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_xfA,z=box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_xfB,B=box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_worldManifold;for(a=0,b=this.m_count;a<b;++a){for(e=this.m_velocityConstraints[a],c=(f=this.m_positionConstraints[a]).radiusA,d=f.radiusB,g=this.m_contacts[e.contactIndex].GetManifold(),h=e.indexA,k=e.indexB,l=e.invMassA,m=e.invMassB,n=e.invIA,p=e.invIB,q=f.localCenterA,r=f.localCenterB,f=this.m_positions[h].c,u=this.m_positions[h].a,t=this.m_velocities[h].v,h=this.m_velocities[h].w,w=this.m_positions[k].c,x=this.m_positions[k].a,v=this.m_velocities[k].v,k=this.m_velocities[k].w,box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<g.pointCount),y.q.SetAngle(u),z.q.SetAngle(x),box2d.b2Sub_V2_V2(f,box2d.b2Mul_R_V2(y.q,q,box2d.b2Vec2.s_t0),y.p),box2d.b2Sub_V2_V2(w,box2d.b2Mul_R_V2(z.q,r,box2d.b2Vec2.s_t0),z.p),B.Initialize(g,y,c,z,d),e.normal.Copy(B.normal),box2d.b2Cross_V2_S(e.normal,1,e.tangent),d=e.pointCount,c=0;c<d;++c)g=e.points[c],box2d.b2Sub_V2_V2(B.points[c],f,g.rA),box2d.b2Sub_V2_V2(B.points[c],w,g.rB),q=l+m+n*(q=box2d.b2Cross_V2_V2(g.rA,e.normal))*q+p*(r=box2d.b2Cross_V2_V2(g.rB,e.normal))*r,g.normalMass=0<q?1/q:0,r=e.tangent,q=l+m+n*(q=box2d.b2Cross_V2_V2(g.rA,r))*q+p*(r=box2d.b2Cross_V2_V2(g.rB,r))*r,g.tangentMass=0<q?1/q:0,g.velocityBias=0,(q=box2d.b2Dot_V2_V2(e.normal,box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(v,k,g.rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(t,h,g.rA,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0)))<-box2d.b2_velocityThreshold&&(g.velocityBias+=-e.restitution*q);2===e.pointCount&&box2d.g_blockSolve&&(t=e.points[0],w=e.points[1],f=box2d.b2Cross_V2_V2(t.rA,e.normal),t=box2d.b2Cross_V2_V2(t.rB,e.normal),h=box2d.b2Cross_V2_V2(w.rA,e.normal),k=box2d.b2Cross_V2_V2(w.rB,e.normal),(w=l+m+n*f*f+p*t*t)*w<1e3*(w*(v=l+m+n*h*h+p*k*k)-(l=l+m+n*f*h+p*t*k)*l)?(e.K.ex.Set(w,l),e.K.ey.Set(l,v),e.K.GetInverse(e.normalMass)):e.pointCount=1)}},goog.exportProperty(box2d.b2ContactSolver.prototype,"InitializeVelocityConstraints",box2d.b2ContactSolver.prototype.InitializeVelocityConstraints),box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_xfA=new box2d.b2Transform,box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_xfB=new box2d.b2Transform,box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_worldManifold=new box2d.b2WorldManifold,box2d.b2ContactSolver.prototype.WarmStart=function(){var a,b,c,d,e,f,g,h,k,l,m,n,p,q,r,u,t,w,x=box2d.b2ContactSolver.prototype.WarmStart.s_P;for(a=0,b=this.m_count;a<b;++a){for(f=(e=this.m_velocityConstraints[a]).indexA,g=e.indexB,h=e.invMassA,k=e.invIA,l=e.invMassB,m=e.invIB,d=e.pointCount,n=this.m_velocities[f].v,p=this.m_velocities[f].w,q=this.m_velocities[g].v,r=this.m_velocities[g].w,u=e.normal,t=e.tangent,c=0;c<d;++c)w=e.points[c],box2d.b2Add_V2_V2(box2d.b2Mul_S_V2(w.normalImpulse,u,box2d.b2Vec2.s_t0),box2d.b2Mul_S_V2(w.tangentImpulse,t,box2d.b2Vec2.s_t1),x),p-=k*box2d.b2Cross_V2_V2(w.rA,x),n.SelfMulSub(h,x),r+=m*box2d.b2Cross_V2_V2(w.rB,x),q.SelfMulAdd(l,x);this.m_velocities[f].w=p,this.m_velocities[g].w=r}},goog.exportProperty(box2d.b2ContactSolver.prototype,"WarmStart",box2d.b2ContactSolver.prototype.WarmStart),box2d.b2ContactSolver.prototype.WarmStart.s_P=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints=function(){var a,b,c,d,e,f,g,h,k,l,m,n,p,q,r,u,t,w,x,v,E,F,y=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv,z=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv1,B=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv2,G=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P,H=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_a,I=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_b,C=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_x,A=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_d,K=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P1,J=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P2,D=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P1P2;for(a=0,b=this.m_count;a<b;++a){for(f=(e=this.m_velocityConstraints[a]).indexA,g=e.indexB,h=e.invMassA,k=e.invIA,l=e.invMassB,m=e.invIB,n=e.pointCount,p=this.m_velocities[f].v,q=this.m_velocities[f].w,r=this.m_velocities[g].v,u=this.m_velocities[g].w,t=e.normal,w=e.tangent,x=e.friction,box2d.ENABLE_ASSERTS&&box2d.b2Assert(1===n||2===n),c=0,d=n;c<d;++c)v=e.points[c],box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(r,u,v.rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(p,q,v.rA,box2d.b2Vec2.s_t1),y),E=box2d.b2Dot_V2_V2(y,w)-e.tangentSpeed,E=v.tangentMass*-E,F=x*v.normalImpulse,E=(F=box2d.b2Clamp(v.tangentImpulse+E,-F,F))-v.tangentImpulse,v.tangentImpulse=F,box2d.b2Mul_S_V2(E,w,G),p.SelfMulSub(h,G),q-=k*box2d.b2Cross_V2_V2(v.rA,G),r.SelfMulAdd(l,G),u+=m*box2d.b2Cross_V2_V2(v.rB,G);if(1!==e.pointCount&&box2d.g_blockSolve)for(n=e.points[0],v=e.points[1],H.Set(n.normalImpulse,v.normalImpulse),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=H.x&&0<=H.y),box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(r,u,n.rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(p,q,n.rA,box2d.b2Vec2.s_t1),z),box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(r,u,v.rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(p,q,v.rA,box2d.b2Vec2.s_t1),B),c=box2d.b2Dot_V2_V2(z,t),d=box2d.b2Dot_V2_V2(B,t),I.x=c-n.velocityBias,I.y=d-v.velocityBias,I.SelfSub(box2d.b2Mul_M22_V2(e.K,H,box2d.b2Vec2.s_t0));;){if(box2d.b2Mul_M22_V2(e.normalMass,I,C).SelfNeg(),0<=C.x&&0<=C.y){box2d.b2Sub_V2_V2(C,H,A),box2d.b2Mul_S_V2(A.x,t,K),box2d.b2Mul_S_V2(A.y,t,J),box2d.b2Add_V2_V2(K,J,D),p.SelfMulSub(h,D),q-=k*(box2d.b2Cross_V2_V2(n.rA,K)+box2d.b2Cross_V2_V2(v.rA,J)),r.SelfMulAdd(l,D),u+=m*(box2d.b2Cross_V2_V2(n.rB,K)+box2d.b2Cross_V2_V2(v.rB,J)),n.normalImpulse=C.x,v.normalImpulse=C.y;break}if(C.x=-n.normalMass*I.x,C.y=0,d=e.K.ex.y*C.x+I.y,0<=C.x&&0<=d){box2d.b2Sub_V2_V2(C,H,A),box2d.b2Mul_S_V2(A.x,t,K),box2d.b2Mul_S_V2(A.y,t,J),box2d.b2Add_V2_V2(K,J,D),p.SelfMulSub(h,D),q-=k*(box2d.b2Cross_V2_V2(n.rA,K)+box2d.b2Cross_V2_V2(v.rA,J)),r.SelfMulAdd(l,D),u+=m*(box2d.b2Cross_V2_V2(n.rB,K)+box2d.b2Cross_V2_V2(v.rB,J)),n.normalImpulse=C.x,v.normalImpulse=C.y;break}if(C.x=0,C.y=-v.normalMass*I.y,c=e.K.ey.x*C.y+I.x,0<=C.y&&0<=c){box2d.b2Sub_V2_V2(C,H,A),box2d.b2Mul_S_V2(A.x,t,K),box2d.b2Mul_S_V2(A.y,t,J),box2d.b2Add_V2_V2(K,J,D),p.SelfMulSub(h,D),q-=k*(box2d.b2Cross_V2_V2(n.rA,K)+box2d.b2Cross_V2_V2(v.rA,J)),r.SelfMulAdd(l,D),u+=m*(box2d.b2Cross_V2_V2(n.rB,K)+box2d.b2Cross_V2_V2(v.rB,J)),n.normalImpulse=C.x,v.normalImpulse=C.y;break}if(C.x=0,C.y=0,c=I.x,d=I.y,0<=c&&0<=d){box2d.b2Sub_V2_V2(C,H,A),box2d.b2Mul_S_V2(A.x,t,K),box2d.b2Mul_S_V2(A.y,t,J),box2d.b2Add_V2_V2(K,J,D),p.SelfMulSub(h,D),q-=k*(box2d.b2Cross_V2_V2(n.rA,K)+box2d.b2Cross_V2_V2(v.rA,J)),r.SelfMulAdd(l,D),u+=m*(box2d.b2Cross_V2_V2(n.rB,K)+box2d.b2Cross_V2_V2(v.rB,J)),n.normalImpulse=C.x,v.normalImpulse=C.y;break}break}else for(c=0;c<n;++c)v=e.points[c],box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(r,u,v.rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(p,q,v.rA,box2d.b2Vec2.s_t1),y),d=box2d.b2Dot_V2_V2(y,t),E=-v.normalMass*(d-v.velocityBias),E=(F=box2d.b2Max(v.normalImpulse+E,0))-v.normalImpulse,v.normalImpulse=F,box2d.b2Mul_S_V2(E,t,G),p.SelfMulSub(h,G),q-=k*box2d.b2Cross_V2_V2(v.rA,G),r.SelfMulAdd(l,G),u+=m*box2d.b2Cross_V2_V2(v.rB,G);this.m_velocities[f].w=q,this.m_velocities[g].w=u}},goog.exportProperty(box2d.b2ContactSolver.prototype,"SolveVelocityConstraints",box2d.b2ContactSolver.prototype.SolveVelocityConstraints),box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv1=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv2=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_a=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_b=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_x=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_d=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P1=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P2=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P1P2=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.StoreImpulses=function(){var a,b,c,d,e,f;for(a=0,b=this.m_count;a<b;++a)for(e=this.m_velocityConstraints[a],f=this.m_contacts[e.contactIndex].GetManifold(),c=0,d=e.pointCount;c<d;++c)f.points[c].normalImpulse=e.points[c].normalImpulse,f.points[c].tangentImpulse=e.points[c].tangentImpulse},goog.exportProperty(box2d.b2ContactSolver.prototype,"StoreImpulses",box2d.b2ContactSolver.prototype.StoreImpulses),box2d.b2PositionSolverManifold=function(){this.normal=new box2d.b2Vec2,this.point=new box2d.b2Vec2},goog.exportSymbol("box2d.b2PositionSolverManifold",box2d.b2PositionSolverManifold),box2d.b2PositionSolverManifold.prototype.normal=null,goog.exportProperty(box2d.b2PositionSolverManifold.prototype,"normal",box2d.b2PositionSolverManifold.prototype.normal),box2d.b2PositionSolverManifold.prototype.point=null,goog.exportProperty(box2d.b2PositionSolverManifold.prototype,"point",box2d.b2PositionSolverManifold.prototype.point),box2d.b2PositionSolverManifold.prototype.separation=0,goog.exportProperty(box2d.b2PositionSolverManifold.prototype,"separation",box2d.b2PositionSolverManifold.prototype.separation),box2d.b2PositionSolverManifold.prototype.Initialize=function(a,b,c,d){var e=box2d.b2PositionSolverManifold.prototype.Initialize.s_pointA,f=box2d.b2PositionSolverManifold.prototype.Initialize.s_pointB,g=box2d.b2PositionSolverManifold.prototype.Initialize.s_planePoint,h=box2d.b2PositionSolverManifold.prototype.Initialize.s_clipPoint;switch(box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<a.pointCount),a.type){case box2d.b2ManifoldType.e_circles:box2d.b2Mul_X_V2(b,a.localPoint,e),box2d.b2Mul_X_V2(c,a.localPoints[0],f),box2d.b2Sub_V2_V2(f,e,this.normal).SelfNormalize(),box2d.b2Mid_V2_V2(e,f,this.point),this.separation=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(f,e,box2d.b2Vec2.s_t0),this.normal)-a.radiusA-a.radiusB;break;case box2d.b2ManifoldType.e_faceA:box2d.b2Mul_R_V2(b.q,a.localNormal,this.normal),box2d.b2Mul_X_V2(b,a.localPoint,g),box2d.b2Mul_X_V2(c,a.localPoints[d],h),this.separation=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(h,g,box2d.b2Vec2.s_t0),this.normal)-a.radiusA-a.radiusB,this.point.Copy(h);break;case box2d.b2ManifoldType.e_faceB:box2d.b2Mul_R_V2(c.q,a.localNormal,this.normal),box2d.b2Mul_X_V2(c,a.localPoint,g),box2d.b2Mul_X_V2(b,a.localPoints[d],h),this.separation=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(h,g,box2d.b2Vec2.s_t0),this.normal)-a.radiusA-a.radiusB,this.point.Copy(h),this.normal.SelfNeg()}},goog.exportProperty(box2d.b2PositionSolverManifold.prototype,"Initialize",box2d.b2PositionSolverManifold.prototype.Initialize),box2d.b2PositionSolverManifold.prototype.Initialize.s_pointA=new box2d.b2Vec2,box2d.b2PositionSolverManifold.prototype.Initialize.s_pointB=new box2d.b2Vec2,box2d.b2PositionSolverManifold.prototype.Initialize.s_planePoint=new box2d.b2Vec2,box2d.b2PositionSolverManifold.prototype.Initialize.s_clipPoint=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolvePositionConstraints=function(){var a,b,c,d,e,f,g,h,k,l,m,n,p,q,r,u,t,y,z,B,G,w=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_xfA,x=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_xfB,v=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_psm,E=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_rA,F=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_rB,H=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_P,I=0;for(a=0,b=this.m_count;a<b;++a){for(f=(e=this.m_positionConstraints[a]).indexA,g=e.indexB,h=e.localCenterA,k=e.invMassA,l=e.invIA,m=e.localCenterB,n=e.invMassB,p=e.invIB,d=e.pointCount,q=this.m_positions[f].c,r=this.m_positions[f].a,u=this.m_positions[g].c,t=this.m_positions[g].a,c=0;c<d;++c)w.q.SetAngle(r),x.q.SetAngle(t),box2d.b2Sub_V2_V2(q,box2d.b2Mul_R_V2(w.q,h,box2d.b2Vec2.s_t0),w.p),box2d.b2Sub_V2_V2(u,box2d.b2Mul_R_V2(x.q,m,box2d.b2Vec2.s_t0),x.p),v.Initialize(e,w,x,c),y=v.normal,z=v.point,B=v.separation,box2d.b2Sub_V2_V2(z,q,E),box2d.b2Sub_V2_V2(z,u,F),I=box2d.b2Min(I,B),z=box2d.b2Clamp(box2d.b2_baumgarte*(B+box2d.b2_linearSlop),-box2d.b2_maxLinearCorrection,0),z=0<(B=k+n+l*(B=box2d.b2Cross_V2_V2(E,y))*B+p*(G=box2d.b2Cross_V2_V2(F,y))*G)?-z/B:0,box2d.b2Mul_S_V2(z,y,H),q.SelfMulSub(k,H),r-=l*box2d.b2Cross_V2_V2(E,H),u.SelfMulAdd(n,H),t+=p*box2d.b2Cross_V2_V2(F,H);this.m_positions[f].a=r,this.m_positions[g].a=t}return I>-3*box2d.b2_linearSlop},goog.exportProperty(box2d.b2ContactSolver.prototype,"SolvePositionConstraints",box2d.b2ContactSolver.prototype.SolvePositionConstraints),box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_xfA=new box2d.b2Transform,box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_xfB=new box2d.b2Transform,box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_psm=new box2d.b2PositionSolverManifold,box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_rA=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_rB=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints=function(a,b){var c,d,e,f,g,h,k,l,m,n,p,q,r,u,t,w,x,B,E,F,I,v=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_xfA,y=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_xfB,z=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_psm,G=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_rA,H=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_rB,C=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_P,A=0;for(c=0,d=this.m_count;c<d;++c){for(h=(g=this.m_positionConstraints[c]).indexA,k=g.indexB,l=g.localCenterA,m=g.localCenterB,f=g.pointCount,p=n=0,h!==a&&h!==b||(n=g.invMassA,p=g.invIA),r=q=0,k!==a&&k!==b||(q=g.invMassB,r=g.invIB),u=this.m_positions[h].c,t=this.m_positions[h].a,w=this.m_positions[k].c,x=this.m_positions[k].a,e=0;e<f;++e)v.q.SetAngle(t),y.q.SetAngle(x),box2d.b2Sub_V2_V2(u,box2d.b2Mul_R_V2(v.q,l,box2d.b2Vec2.s_t0),v.p),box2d.b2Sub_V2_V2(w,box2d.b2Mul_R_V2(y.q,m,box2d.b2Vec2.s_t0),y.p),z.Initialize(g,v,y,e),B=z.normal,E=z.point,F=z.separation,box2d.b2Sub_V2_V2(E,u,G),box2d.b2Sub_V2_V2(E,w,H),A=box2d.b2Min(A,F),E=box2d.b2Clamp(box2d.b2_toiBaumgarte*(F+box2d.b2_linearSlop),-box2d.b2_maxLinearCorrection,0),E=0<(F=n+q+p*(F=box2d.b2Cross_V2_V2(G,B))*F+r*(I=box2d.b2Cross_V2_V2(H,B))*I)?-E/F:0,box2d.b2Mul_S_V2(E,B,C),u.SelfMulSub(n,C),t-=p*box2d.b2Cross_V2_V2(G,C),w.SelfMulAdd(q,C),x+=r*box2d.b2Cross_V2_V2(H,C);this.m_positions[h].a=t,this.m_positions[k].a=x}return A>=-1.5*box2d.b2_linearSlop},goog.exportProperty(box2d.b2ContactSolver.prototype,"SolveTOIPositionConstraints",box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints),box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_xfA=new box2d.b2Transform,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_xfB=new box2d.b2Transform,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_psm=new box2d.b2PositionSolverManifold,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_rA=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_rB=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_P=new box2d.b2Vec2,box2d.b2Island=function(){this.m_bodies=Array(1024),this.m_contacts=Array(1024),this.m_joints=Array(1024),this.m_positions=box2d.b2Position.MakeArray(1024),this.m_velocities=box2d.b2Velocity.MakeArray(1024)},goog.exportSymbol("box2d.b2Island",box2d.b2Island),box2d.b2Island.prototype.m_allocator=null,goog.exportProperty(box2d.b2Island.prototype,"m_allocator",box2d.b2Island.prototype.m_allocator),box2d.b2Island.prototype.m_listener=null,goog.exportProperty(box2d.b2Island.prototype,"m_listener",box2d.b2Island.prototype.m_listener),box2d.b2Island.prototype.m_bodies=null,goog.exportProperty(box2d.b2Island.prototype,"m_bodies",box2d.b2Island.prototype.m_bodies),box2d.b2Island.prototype.m_contacts=null,goog.exportProperty(box2d.b2Island.prototype,"m_contacts",box2d.b2Island.prototype.m_contacts),box2d.b2Island.prototype.m_joints=null,goog.exportProperty(box2d.b2Island.prototype,"m_joints",box2d.b2Island.prototype.m_joints),box2d.b2Island.prototype.m_positions=null,goog.exportProperty(box2d.b2Island.prototype,"m_positions",box2d.b2Island.prototype.m_positions),box2d.b2Island.prototype.m_velocities=null,goog.exportProperty(box2d.b2Island.prototype,"m_velocities",box2d.b2Island.prototype.m_velocities),box2d.b2Island.prototype.m_bodyCount=0,goog.exportProperty(box2d.b2Island.prototype,"m_bodyCount",box2d.b2Island.prototype.m_bodyCount),box2d.b2Island.prototype.m_jointCount=0,goog.exportProperty(box2d.b2Island.prototype,"m_jointCount",box2d.b2Island.prototype.m_jointCount),box2d.b2Island.prototype.m_contactCount=0,goog.exportProperty(box2d.b2Island.prototype,"m_contactCount",box2d.b2Island.prototype.m_contactCount),box2d.b2Island.prototype.m_bodyCapacity=0,goog.exportProperty(box2d.b2Island.prototype,"m_bodyCapacity",box2d.b2Island.prototype.m_bodyCapacity),box2d.b2Island.prototype.m_contactCapacity=0,goog.exportProperty(box2d.b2Island.prototype,"m_contactCapacity",box2d.b2Island.prototype.m_contactCapacity),box2d.b2Island.prototype.m_jointCapacity=0,goog.exportProperty(box2d.b2Island.prototype,"m_jointCapacity",box2d.b2Island.prototype.m_jointCapacity),box2d.b2Island.prototype.Initialize=function(a,b,c,d,e){for(this.m_bodyCapacity=a,this.m_contactCapacity=b,this.m_jointCapacity=c,this.m_jointCount=this.m_contactCount=this.m_bodyCount=0,this.m_allocator=d,this.m_listener=e;this.m_bodies.length<a;)this.m_bodies[this.m_bodies.length]=null;for(;this.m_contacts.length<b;)this.m_contacts[this.m_contacts.length]=null;for(;this.m_joints.length<c;)this.m_joints[this.m_joints.length]=null;if(this.m_positions.length<a)for(b=box2d.b2Max(2*this.m_positions.length,a),box2d.DEBUG&&window.console.log("box2d.b2Island.m_positions: "+b);this.m_positions.length<b;)this.m_positions[this.m_positions.length]=new box2d.b2Position;if(this.m_velocities.length<a)for(b=box2d.b2Max(2*this.m_velocities.length,a),box2d.DEBUG&&window.console.log("box2d.b2Island.m_velocities: "+b);this.m_velocities.length<b;)this.m_velocities[this.m_velocities.length]=new box2d.b2Velocity},goog.exportProperty(box2d.b2Island.prototype,"Initialize",box2d.b2Island.prototype.Initialize),box2d.b2Island.prototype.Clear=function(){this.m_jointCount=this.m_contactCount=this.m_bodyCount=0},goog.exportProperty(box2d.b2Island.prototype,"Clear",box2d.b2Island.prototype.Clear),box2d.b2Island.prototype.AddBody=function(a){box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_bodyCount<this.m_bodyCapacity),a.m_islandIndex=this.m_bodyCount,this.m_bodies[this.m_bodyCount++]=a},goog.exportProperty(box2d.b2Island.prototype,"AddBody",box2d.b2Island.prototype.AddBody),box2d.b2Island.prototype.AddContact=function(a){box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_contactCount<this.m_contactCapacity),this.m_contacts[this.m_contactCount++]=a},goog.exportProperty(box2d.b2Island.prototype,"AddContact",box2d.b2Island.prototype.AddContact),box2d.b2Island.prototype.AddJoint=function(a){box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_jointCount<this.m_jointCapacity),this.m_joints[this.m_jointCount++]=a},goog.exportProperty(box2d.b2Island.prototype,"AddJoint",box2d.b2Island.prototype.AddJoint),box2d.b2Island.prototype.Solve=function(a,b,c,d){for(var e=box2d.b2Island.s_timer.Reset(),f=b.dt,g=0;g<this.m_bodyCount;++g){var h=this.m_bodies[g],k=this.m_positions[g].c.Copy(h.m_sweep.c),l=h.m_sweep.a,m=this.m_velocities[g].v.Copy(h.m_linearVelocity),n=h.m_angularVelocity;h.m_sweep.c0.Copy(h.m_sweep.c),h.m_sweep.a0=h.m_sweep.a,h.m_type===box2d.b2BodyType.b2_dynamicBody&&(m.x+=f*(h.m_gravityScale*c.x+h.m_invMass*h.m_force.x),m.y+=f*(h.m_gravityScale*c.y+h.m_invMass*h.m_force.y),n+=f*h.m_invI*h.m_torque,m.SelfMul(1/(1+f*h.m_linearDamping)),n*=1/(1+f*h.m_angularDamping)),this.m_positions[g].a=l,this.m_velocities[g].w=n}for(e.Reset(),(h=box2d.b2Island.s_solverData).step.Copy(b),h.positions=this.m_positions,h.velocities=this.m_velocities,(g=box2d.b2Island.s_contactSolverDef).step.Copy(b),g.contacts=this.m_contacts,g.count=this.m_contactCount,g.positions=this.m_positions,g.velocities=this.m_velocities,g.allocator=this.m_allocator,(c=box2d.b2Island.s_contactSolver.Initialize(g)).InitializeVelocityConstraints(),b.warmStarting&&c.WarmStart(),g=0;g<this.m_jointCount;++g)this.m_joints[g].InitVelocityConstraints(h);for(a.solveInit=e.GetMilliseconds(),e.Reset(),g=0;g<b.velocityIterations;++g){for(l=0;l<this.m_jointCount;++l)this.m_joints[l].SolveVelocityConstraints(h);c.SolveVelocityConstraints()}for(c.StoreImpulses(),a.solveVelocity=e.GetMilliseconds(),g=0;g<this.m_bodyCount;++g){k=this.m_positions[g].c,l=this.m_positions[g].a,m=this.m_velocities[g].v,n=this.m_velocities[g].w;var p=box2d.b2Mul_S_V2(f,m,box2d.b2Island.s_translation);box2d.b2Dot_V2_V2(p,p)>box2d.b2_maxTranslationSquared&&(p=box2d.b2_maxTranslation/p.Length(),m.SelfMul(p)),(p=f*n)*p>box2d.b2_maxRotationSquared&&(n*=p=box2d.b2_maxRotation/box2d.b2Abs(p)),k.x+=f*m.x,k.y+=f*m.y,l+=f*n,this.m_positions[g].a=l,this.m_velocities[g].w=n}for(e.Reset(),k=!1,g=0;g<b.positionIterations;++g){for(m=c.SolvePositionConstraints(),n=!0,l=0;l<this.m_jointCount;++l)p=this.m_joints[l].SolvePositionConstraints(h),n=n&&p;if(m&&n){k=!0;break}}for(g=0;g<this.m_bodyCount;++g)(b=this.m_bodies[g]).m_sweep.c.Copy(this.m_positions[g].c),b.m_sweep.a=this.m_positions[g].a,b.m_linearVelocity.Copy(this.m_velocities[g].v),b.m_angularVelocity=this.m_velocities[g].w,b.SynchronizeTransform();if(a.solvePosition=e.GetMilliseconds(),this.Report(c.m_velocityConstraints),d){for(a=box2d.b2_maxFloat,d=box2d.b2_linearSleepTolerance*box2d.b2_linearSleepTolerance,e=box2d.b2_angularSleepTolerance*box2d.b2_angularSleepTolerance,g=0;g<this.m_bodyCount;++g)(h=this.m_bodies[g]).GetType()!==box2d.b2BodyType.b2_staticBody&&(!h.m_flag_autoSleepFlag||h.m_angularVelocity*h.m_angularVelocity>e||box2d.b2Dot_V2_V2(h.m_linearVelocity,h.m_linearVelocity)>d?a=h.m_sleepTime=0:(h.m_sleepTime+=f,a=box2d.b2Min(a,h.m_sleepTime)));if(a>=box2d.b2_timeToSleep&&k)for(g=0;g<this.m_bodyCount;++g)(h=this.m_bodies[g]).SetAwake(!1)}},goog.exportProperty(box2d.b2Island.prototype,"Solve",box2d.b2Island.prototype.Solve),box2d.b2Island.prototype.SolveTOI=function(a,b,c){box2d.ENABLE_ASSERTS&&box2d.b2Assert(b<this.m_bodyCount),box2d.ENABLE_ASSERTS&&box2d.b2Assert(c<this.m_bodyCount);for(var d=0;d<this.m_bodyCount;++d){var e=this.m_bodies[d];this.m_positions[d].c.Copy(e.m_sweep.c),this.m_positions[d].a=e.m_sweep.a,this.m_velocities[d].v.Copy(e.m_linearVelocity),this.m_velocities[d].w=e.m_angularVelocity}for((d=box2d.b2Island.s_contactSolverDef).contacts=this.m_contacts,d.count=this.m_contactCount,d.allocator=this.m_allocator,d.step.Copy(a),d.positions=this.m_positions,d.velocities=this.m_velocities,e=box2d.b2Island.s_contactSolver.Initialize(d),d=0;d<a.positionIterations&&!e.SolveTOIPositionConstraints(b,c);++d);for(this.m_bodies[b].m_sweep.c0.Copy(this.m_positions[b].c),this.m_bodies[b].m_sweep.a0=this.m_positions[b].a,this.m_bodies[c].m_sweep.c0.Copy(this.m_positions[c].c),this.m_bodies[c].m_sweep.a0=this.m_positions[c].a,e.InitializeVelocityConstraints(),d=0;d<a.velocityIterations;++d)e.SolveVelocityConstraints();for(a=a.dt,d=0;d<this.m_bodyCount;++d){b=this.m_positions[d].c,c=this.m_positions[d].a;var f=this.m_velocities[d].v,g=this.m_velocities[d].w,h=box2d.b2Mul_S_V2(a,f,box2d.b2Island.s_translation);box2d.b2Dot_V2_V2(h,h)>box2d.b2_maxTranslationSquared&&(h=box2d.b2_maxTranslation/h.Length(),f.SelfMul(h)),(h=a*g)*h>box2d.b2_maxRotationSquared&&(g*=h=box2d.b2_maxRotation/box2d.b2Abs(h)),b.SelfMulAdd(a,f),c+=a*g,this.m_positions[d].a=c,this.m_velocities[d].w=g,(h=this.m_bodies[d]).m_sweep.c.Copy(b),h.m_sweep.a=c,h.m_linearVelocity.Copy(f),h.m_angularVelocity=g,h.SynchronizeTransform()}this.Report(e.m_velocityConstraints)},goog.exportProperty(box2d.b2Island.prototype,"SolveTOI",box2d.b2Island.prototype.SolveTOI),box2d.b2Island.prototype.Report=function(a){if(null!==this.m_listener)for(var b=0;b<this.m_contactCount;++b){var c=this.m_contacts[b];if(c){var d=a[b],e=box2d.b2Island.s_impulse;e.count=d.pointCount;for(var f=0;f<d.pointCount;++f)e.normalImpulses[f]=d.points[f].normalImpulse,e.tangentImpulses[f]=d.points[f].tangentImpulse;this.m_listener.PostSolve(c,e)}}},goog.exportProperty(box2d.b2Island.prototype,"Report",box2d.b2Island.prototype.Report),box2d.b2Island.s_timer=new box2d.b2Timer,box2d.b2Island.s_solverData=new box2d.b2SolverData,box2d.b2Island.s_contactSolverDef=new box2d.b2ContactSolverDef,box2d.b2Island.s_contactSolver=new box2d.b2ContactSolver,box2d.b2Island.s_translation=new box2d.b2Vec2,box2d.b2Island.s_impulse=new box2d.b2ContactImpulse,box2d.b2JointType={e_unknownJoint:0,e_revoluteJoint:1,e_prismaticJoint:2,e_distanceJoint:3,e_pulleyJoint:4,e_mouseJoint:5,e_gearJoint:6,e_wheelJoint:7,e_weldJoint:8,e_frictionJoint:9,e_ropeJoint:10,e_motorJoint:11,e_areaJoint:12},goog.exportSymbol("box2d.b2JointType",box2d.b2JointType),goog.exportProperty(box2d.b2JointType,"e_unknownJoint",box2d.b2JointType.e_unknownJoint),goog.exportProperty(box2d.b2JointType,"e_revoluteJoint",box2d.b2JointType.e_revoluteJoint),goog.exportProperty(box2d.b2JointType,"e_prismaticJoint",box2d.b2JointType.e_prismaticJoint),goog.exportProperty(box2d.b2JointType,"e_distanceJoint",box2d.b2JointType.e_distanceJoint),goog.exportProperty(box2d.b2JointType,"e_pulleyJoint",box2d.b2JointType.e_pulleyJoint),goog.exportProperty(box2d.b2JointType,"e_mouseJoint",box2d.b2JointType.e_mouseJoint),goog.exportProperty(box2d.b2JointType,"e_gearJoint",box2d.b2JointType.e_gearJoint),goog.exportProperty(box2d.b2JointType,"e_wheelJoint",box2d.b2JointType.e_wheelJoint),goog.exportProperty(box2d.b2JointType,"e_weldJoint",box2d.b2JointType.e_weldJoint),goog.exportProperty(box2d.b2JointType,"e_frictionJoint",box2d.b2JointType.e_frictionJoint),goog.exportProperty(box2d.b2JointType,"e_ropeJoint",box2d.b2JointType.e_ropeJoint),goog.exportProperty(box2d.b2JointType,"e_motorJoint",box2d.b2JointType.e_motorJoint),goog.exportProperty(box2d.b2JointType,"e_areaJoint",box2d.b2JointType.e_areaJoint),box2d.b2LimitState={e_inactiveLimit:0,e_atLowerLimit:1,e_atUpperLimit:2,e_equalLimits:3},goog.exportSymbol("box2d.b2LimitState",box2d.b2LimitState),goog.exportProperty(box2d.b2LimitState,"e_inactiveLimit",box2d.b2LimitState.e_inactiveLimit),goog.exportProperty(box2d.b2LimitState,"e_atLowerLimit",box2d.b2LimitState.e_atLowerLimit),goog.exportProperty(box2d.b2LimitState,"e_atUpperLimit",box2d.b2LimitState.e_atUpperLimit),goog.exportProperty(box2d.b2LimitState,"e_equalLimits",box2d.b2LimitState.e_equalLimits),box2d.b2Jacobian=function(){this.linear=new box2d.b2Vec2},goog.exportSymbol("box2d.b2Jacobian",box2d.b2Jacobian),box2d.b2Jacobian.prototype.linear=null,goog.exportProperty(box2d.b2Jacobian.prototype,"linear",box2d.b2Jacobian.prototype.linear),box2d.b2Jacobian.prototype.angularA=0,goog.exportProperty(box2d.b2Jacobian.prototype,"angularA",box2d.b2Jacobian.prototype.angularA),box2d.b2Jacobian.prototype.angularB=0,goog.exportProperty(box2d.b2Jacobian.prototype,"angularB",box2d.b2Jacobian.prototype.angularB),box2d.b2Jacobian.prototype.SetZero=function(){return this.linear.SetZero(),this.angularB=this.angularA=0,this},goog.exportProperty(box2d.b2Jacobian.prototype,"SetZero",box2d.b2Jacobian.prototype.SetZero),box2d.b2Jacobian.prototype.Set=function(a,b,c){return this.linear.Copy(a),this.angularA=b,this.angularB=c,this},goog.exportProperty(box2d.b2Jacobian.prototype,"Set",box2d.b2Jacobian.prototype.Set),box2d.b2JointEdge=function(){},goog.exportSymbol("box2d.b2JointEdge",box2d.b2JointEdge),box2d.b2JointEdge.prototype.other=null,goog.exportProperty(box2d.b2JointEdge.prototype,"other",box2d.b2JointEdge.prototype.other),box2d.b2JointEdge.prototype.joint=null,goog.exportProperty(box2d.b2JointEdge.prototype,"joint",box2d.b2JointEdge.prototype.joint),box2d.b2JointEdge.prototype.prev=null,goog.exportProperty(box2d.b2JointEdge.prototype,"prev",box2d.b2JointEdge.prototype.prev),box2d.b2JointEdge.prototype.next=null,goog.exportProperty(box2d.b2JointEdge.prototype,"next",box2d.b2JointEdge.prototype.next),box2d.b2JointDef=function(a){this.type=a},goog.exportSymbol("box2d.b2JointDef",box2d.b2JointDef),box2d.b2JointDef.prototype.type=box2d.b2JointType.e_unknownJoint,goog.exportProperty(box2d.b2JointDef.prototype,"type",box2d.b2JointDef.prototype.type),box2d.b2JointDef.prototype.userData=null,goog.exportProperty(box2d.b2JointDef.prototype,"userData",box2d.b2JointDef.prototype.userData),box2d.b2JointDef.prototype.bodyA=null,goog.exportProperty(box2d.b2JointDef.prototype,"bodyA",box2d.b2JointDef.prototype.bodyA),box2d.b2JointDef.prototype.bodyB=null,goog.exportProperty(box2d.b2JointDef.prototype,"bodyB",box2d.b2JointDef.prototype.bodyB),box2d.b2JointDef.prototype.collideConnected=!1,goog.exportProperty(box2d.b2JointDef.prototype,"collideConnected",box2d.b2JointDef.prototype.collideConnected),box2d.b2Joint=function(a){box2d.ENABLE_ASSERTS&&box2d.b2Assert(a.bodyA!==a.bodyB),this.m_type=a.type,this.m_edgeA=new box2d.b2JointEdge,this.m_edgeB=new box2d.b2JointEdge,this.m_bodyA=a.bodyA,this.m_bodyB=a.bodyB,this.m_collideConnected=a.collideConnected,this.m_userData=a.userData},goog.exportSymbol("box2d.b2Joint",box2d.b2Joint),box2d.b2Joint.prototype.m_type=box2d.b2JointType.e_unknownJoint,goog.exportProperty(box2d.b2Joint.prototype,"m_type",box2d.b2Joint.prototype.m_type),box2d.b2Joint.prototype.m_prev=null,goog.exportProperty(box2d.b2Joint.prototype,"m_prev",box2d.b2Joint.prototype.m_prev),box2d.b2Joint.prototype.m_next=null,goog.exportProperty(box2d.b2Joint.prototype,"m_next",box2d.b2Joint.prototype.m_next),box2d.b2Joint.prototype.m_edgeA=null,goog.exportProperty(box2d.b2Joint.prototype,"m_edgeA",box2d.b2Joint.prototype.m_edgeA),box2d.b2Joint.prototype.m_edgeB=null,goog.exportProperty(box2d.b2Joint.prototype,"m_edgeB",box2d.b2Joint.prototype.m_edgeB),box2d.b2Joint.prototype.m_bodyA=null,goog.exportProperty(box2d.b2Joint.prototype,"m_bodyA",box2d.b2Joint.prototype.m_bodyA),box2d.b2Joint.prototype.m_bodyB=null,goog.exportProperty(box2d.b2Joint.prototype,"m_bodyB",box2d.b2Joint.prototype.m_bodyB),box2d.b2Joint.prototype.m_index=0,goog.exportProperty(box2d.b2Joint.prototype,"m_index",box2d.b2Joint.prototype.m_index),box2d.b2Joint.prototype.m_islandFlag=!1,goog.exportProperty(box2d.b2Joint.prototype,"m_islandFlag",box2d.b2Joint.prototype.m_islandFlag),box2d.b2Joint.prototype.m_collideConnected=!1,goog.exportProperty(box2d.b2Joint.prototype,"m_collideConnected",box2d.b2Joint.prototype.m_collideConnected),box2d.b2Joint.prototype.m_userData=null,goog.exportProperty(box2d.b2Joint.prototype,"m_userData",box2d.b2Joint.prototype.m_userData),box2d.b2Joint.prototype.GetAnchorA=function(a){return a.SetZero()},goog.exportProperty(box2d.b2Joint.prototype,"GetAnchorA",box2d.b2Joint.prototype.GetAnchorA),box2d.b2Joint.prototype.GetAnchorB=function(a){return a.SetZero()},goog.exportProperty(box2d.b2Joint.prototype,"GetAnchorB",box2d.b2Joint.prototype.GetAnchorB),box2d.b2Joint.prototype.GetReactionForce=function(a,b){return b.SetZero()},goog.exportProperty(box2d.b2Joint.prototype,"GetReactionForce",box2d.b2Joint.prototype.GetReactionForce),box2d.b2Joint.prototype.GetReactionTorque=function(a){return 0},goog.exportProperty(box2d.b2Joint.prototype,"GetReactionTorque",box2d.b2Joint.prototype.GetReactionTorque),box2d.b2Joint.prototype.InitVelocityConstraints=function(a){},goog.exportProperty(box2d.b2Joint.prototype,"InitVelocityConstraints",box2d.b2Joint.prototype.InitVelocityConstraints),box2d.b2Joint.prototype.SolveVelocityConstraints=function(a){},goog.exportProperty(box2d.b2Joint.prototype,"SolveVelocityConstraints",box2d.b2Joint.prototype.SolveVelocityConstraints),box2d.b2Joint.prototype.SolvePositionConstraints=function(a){return!1},goog.exportProperty(box2d.b2Joint.prototype,"SolvePositionConstraints",box2d.b2Joint.prototype.SolvePositionConstraints),box2d.b2Joint.prototype.GetType=function(){return this.m_type},goog.exportProperty(box2d.b2Joint.prototype,"GetType",box2d.b2Joint.prototype.GetType),box2d.b2Joint.prototype.GetBodyA=function(){return this.m_bodyA},goog.exportProperty(box2d.b2Joint.prototype,"GetBodyA",box2d.b2Joint.prototype.GetBodyA),box2d.b2Joint.prototype.GetBodyB=function(){return this.m_bodyB},goog.exportProperty(box2d.b2Joint.prototype,"GetBodyB",box2d.b2Joint.prototype.GetBodyB),box2d.b2Joint.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2Joint.prototype,"GetNext",box2d.b2Joint.prototype.GetNext),box2d.b2Joint.prototype.GetUserData=function(){return this.m_userData},goog.exportProperty(box2d.b2Joint.prototype,"GetUserData",box2d.b2Joint.prototype.GetUserData),box2d.b2Joint.prototype.SetUserData=function(a){this.m_userData=a},goog.exportProperty(box2d.b2Joint.prototype,"SetUserData",box2d.b2Joint.prototype.SetUserData),box2d.b2Joint.prototype.GetCollideConnected=function(){return this.m_collideConnected},goog.exportProperty(box2d.b2Joint.prototype,"GetCollideConnected",box2d.b2Joint.prototype.GetCollideConnected),box2d.b2Joint.prototype.Dump=function(){box2d.DEBUG&&box2d.b2Log("// Dump is not supported for this joint type.\n")},goog.exportProperty(box2d.b2Joint.prototype,"Dump",box2d.b2Joint.prototype.Dump),box2d.b2Joint.prototype.IsActive=function(){return this.m_bodyA.IsActive()&&this.m_bodyB.IsActive()},goog.exportProperty(box2d.b2Joint.prototype,"IsActive",box2d.b2Joint.prototype.IsActive),box2d.b2Joint.prototype.ShiftOrigin=function(a){},goog.exportProperty(box2d.b2Joint.prototype,"ShiftOrigin",box2d.b2Joint.prototype.ShiftOrigin),box2d.b2AreaJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_areaJoint),this.bodies=[]},goog.inherits(box2d.b2AreaJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2AreaJointDef",box2d.b2AreaJointDef),box2d.b2AreaJointDef.prototype.world=null,goog.exportProperty(box2d.b2AreaJointDef.prototype,"world",box2d.b2AreaJointDef.prototype.world),box2d.b2AreaJointDef.prototype.bodies=null,goog.exportProperty(box2d.b2AreaJointDef.prototype,"bodies",box2d.b2AreaJointDef.prototype.bodies),box2d.b2AreaJointDef.prototype.frequencyHz=0,goog.exportProperty(box2d.b2AreaJointDef.prototype,"frequencyHz",box2d.b2AreaJointDef.prototype.frequencyHz),box2d.b2AreaJointDef.prototype.dampingRatio=0,goog.exportProperty(box2d.b2AreaJointDef.prototype,"dampingRatio",box2d.b2AreaJointDef.prototype.dampingRatio),box2d.b2AreaJointDef.prototype.AddBody=function(a){this.bodies.push(a),1===this.bodies.length?this.bodyA=a:2===this.bodies.length&&(this.bodyB=a)},goog.exportProperty(box2d.b2AreaJointDef.prototype,"AddBody",box2d.b2AreaJointDef.prototype.AddBody),box2d.b2AreaJoint=function(a){box2d.b2Joint.call(this,a),box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=a.bodies.length,"You cannot create an area joint with less than three bodies."),this.m_bodies=a.bodies,this.m_frequencyHz=a.frequencyHz,this.m_dampingRatio=a.dampingRatio,this.m_targetLengths=box2d.b2MakeNumberArray(a.bodies.length),this.m_normals=box2d.b2Vec2.MakeArray(a.bodies.length),this.m_joints=Array(a.bodies.length),this.m_deltas=box2d.b2Vec2.MakeArray(a.bodies.length),this.m_delta=new box2d.b2Vec2;var b=new box2d.b2DistanceJointDef;b.frequencyHz=a.frequencyHz,b.dampingRatio=a.dampingRatio;for(var c=this.m_targetArea=0,d=this.m_bodies.length;c<d;++c){var e=this.m_bodies[c],f=this.m_bodies[(c+1)%d],g=e.GetWorldCenter(),h=f.GetWorldCenter();this.m_targetLengths[c]=box2d.b2Distance(g,h),this.m_targetArea+=box2d.b2Cross_V2_V2(g,h),b.Initialize(e,f,g,h),this.m_joints[c]=a.world.CreateJoint(b)}this.m_targetArea*=.5},goog.inherits(box2d.b2AreaJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2AreaJoint",box2d.b2AreaJoint),box2d.b2AreaJoint.prototype.m_bodies=null,goog.exportProperty(box2d.b2AreaJoint.prototype,"m_bodies",box2d.b2AreaJoint.prototype.m_bodies),box2d.b2AreaJoint.prototype.m_frequencyHz=0,goog.exportProperty(box2d.b2AreaJoint.prototype,"m_frequencyHz",box2d.b2AreaJoint.prototype.m_frequencyHz),box2d.b2AreaJoint.prototype.m_dampingRatio=0,goog.exportProperty(box2d.b2AreaJoint.prototype,"m_dampingRatio",box2d.b2AreaJoint.prototype.m_dampingRatio),box2d.b2AreaJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2AreaJoint.prototype,"m_impulse",box2d.b2AreaJoint.prototype.m_impulse),box2d.b2AreaJoint.prototype.m_targetLengths=null,box2d.b2AreaJoint.prototype.m_targetArea=0,box2d.b2AreaJoint.prototype.m_normals=null,box2d.b2AreaJoint.prototype.m_joints=null,box2d.b2AreaJoint.prototype.m_deltas=null,box2d.b2AreaJoint.prototype.m_delta=null,box2d.b2AreaJoint.prototype.GetAnchorA=function(a){return a.SetZero()},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetAnchorA",box2d.b2AreaJoint.prototype.GetAnchorA),box2d.b2AreaJoint.prototype.GetAnchorB=function(a){return a.SetZero()},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetAnchorB",box2d.b2AreaJoint.prototype.GetAnchorB),box2d.b2AreaJoint.prototype.GetReactionForce=function(a,b){return b.SetZero()},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetReactionForce",box2d.b2AreaJoint.prototype.GetReactionForce),box2d.b2AreaJoint.prototype.GetReactionTorque=function(a){return 0},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetReactionTorque",box2d.b2AreaJoint.prototype.GetReactionTorque),box2d.b2AreaJoint.prototype.SetFrequency=function(a){this.m_frequencyHz=a;for(var b=0,c=this.m_joints.length;b<c;++b)this.m_joints[b].SetFrequency(a)},goog.exportProperty(box2d.b2AreaJoint.prototype,"SetFrequency",box2d.b2AreaJoint.prototype.SetFrequency),box2d.b2AreaJoint.prototype.GetFrequency=function(){return this.m_frequencyHz},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetFrequency",box2d.b2AreaJoint.prototype.GetFrequency),box2d.b2AreaJoint.prototype.SetDampingRatio=function(a){this.m_dampingRatio=a;for(var b=0,c=this.m_joints.length;b<c;++b)this.m_joints[b].SetDampingRatio(a)},goog.exportProperty(box2d.b2AreaJoint.prototype,"SetDampingRatio",box2d.b2AreaJoint.prototype.SetDampingRatio),box2d.b2AreaJoint.prototype.GetDampingRatio=function(){return this.m_dampingRatio},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetDampingRatio",box2d.b2AreaJoint.prototype.GetDampingRatio),box2d.b2AreaJoint.prototype.Dump=function(){box2d.DEBUG&&box2d.b2Log("Area joint dumping is not supported.\n")},goog.exportProperty(box2d.b2AreaJoint.prototype,"Dump",box2d.b2AreaJoint.prototype.Dump),box2d.b2AreaJoint.prototype.InitVelocityConstraints=function(a){for(var b=0,c=this.m_bodies.length;b<c;++b){var d=this.m_deltas[b];box2d.b2Sub_V2_V2(a.positions[this.m_bodies[(b+1)%c].m_islandIndex].c,a.positions[this.m_bodies[(b+c-1)%c].m_islandIndex].c,d)}if(a.step.warmStarting)for(this.m_impulse*=a.step.dtRatio,b=0,c=this.m_bodies.length;b<c;++b){var e=this.m_bodies[b],f=a.velocities[e.m_islandIndex].v;d=this.m_deltas[b];f.x+=e.m_invMass*d.y*.5*this.m_impulse,f.y+=e.m_invMass*-d.x*.5*this.m_impulse}else this.m_impulse=0},goog.exportProperty(box2d.b2AreaJoint.prototype,"InitVelocityConstraints",box2d.b2AreaJoint.prototype.InitVelocityConstraints),box2d.b2AreaJoint.prototype.SolveVelocityConstraints=function(a){for(var b=0,c=0,d=0,e=this.m_bodies.length;d<e;++d){var f=this.m_bodies[d],g=a.velocities[f.m_islandIndex].v,h=this.m_deltas[d];b=b+h.LengthSquared()/f.GetMass(),c=c+box2d.b2Cross_V2_V2(g,h)}for(b=-2*c/b,this.m_impulse+=b,d=0,e=this.m_bodies.length;d<e;++d)f=this.m_bodies[d],g=a.velocities[f.m_islandIndex].v,h=this.m_deltas[d],g.x+=f.m_invMass*h.y*.5*b,g.y+=f.m_invMass*-h.x*.5*b},goog.exportProperty(box2d.b2AreaJoint.prototype,"SolveVelocityConstraints",box2d.b2AreaJoint.prototype.SolveVelocityConstraints),box2d.b2AreaJoint.prototype.SolvePositionConstraints=function(a){for(var b=0,c=0,d=0,e=this.m_bodies.length;d<e;++d){var f=this.m_bodies[d],g=(f=a.positions[f.m_islandIndex].c,a.positions[this.m_bodies[(d+1)%e].m_islandIndex].c),h=box2d.b2Sub_V2_V2(g,f,this.m_delta),k=h.Length();k<box2d.b2_epsilon&&(k=1),this.m_normals[d].x=h.y/k,this.m_normals[d].y=-h.x/k,b+=k,c+=box2d.b2Cross_V2_V2(f,g)}for(b=.5*(this.m_targetArea-.5*c)/b,c=!0,d=0,e=this.m_bodies.length;d<e;++d)f=this.m_bodies[d],f=a.positions[f.m_islandIndex].c,(h=box2d.b2Add_V2_V2(this.m_normals[d],this.m_normals[(d+1)%e],this.m_delta)).SelfMul(b),(g=h.LengthSquared())>box2d.b2Sq(box2d.b2_maxLinearCorrection)&&h.SelfMul(box2d.b2_maxLinearCorrection/box2d.b2Sqrt(g)),g>box2d.b2Sq(box2d.b2_linearSlop)&&(c=!1),f.x+=h.x,f.y+=h.y;return c},goog.exportProperty(box2d.b2AreaJoint.prototype,"SolvePositionConstraints",box2d.b2AreaJoint.prototype.SolvePositionConstraints),box2d.b2DistanceJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_distanceJoint),this.localAnchorA=new box2d.b2Vec2,this.localAnchorB=new box2d.b2Vec2},goog.inherits(box2d.b2DistanceJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2DistanceJointDef",box2d.b2DistanceJointDef),box2d.b2DistanceJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2DistanceJointDef.prototype,"localAnchorA",box2d.b2DistanceJointDef.prototype.localAnchorA),box2d.b2DistanceJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2DistanceJointDef.prototype,"localAnchorB",box2d.b2DistanceJointDef.prototype.localAnchorB),box2d.b2DistanceJointDef.prototype.length=1,goog.exportProperty(box2d.b2DistanceJointDef.prototype,"length",box2d.b2DistanceJointDef.prototype.length),box2d.b2DistanceJointDef.prototype.frequencyHz=0,goog.exportProperty(box2d.b2DistanceJointDef.prototype,"frequencyHz",box2d.b2DistanceJointDef.prototype.frequencyHz),box2d.b2DistanceJointDef.prototype.dampingRatio=0,goog.exportProperty(box2d.b2DistanceJointDef.prototype,"dampingRatio",box2d.b2DistanceJointDef.prototype.dampingRatio),box2d.b2DistanceJointDef.prototype.Initialize=function(a,b,c,d){this.bodyA=a,this.bodyB=b,this.bodyA.GetLocalPoint(c,this.localAnchorA),this.bodyB.GetLocalPoint(d,this.localAnchorB),this.length=box2d.b2Distance(c,d),this.dampingRatio=this.frequencyHz=0},goog.exportProperty(box2d.b2DistanceJointDef.prototype,"Initialize",box2d.b2DistanceJointDef.prototype.Initialize),box2d.b2DistanceJoint=function(a){box2d.b2Joint.call(this,a),this.m_u=new box2d.b2Vec2,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_frequencyHz=a.frequencyHz,this.m_dampingRatio=a.dampingRatio,this.m_localAnchorA=a.localAnchorA.Clone(),this.m_localAnchorB=a.localAnchorB.Clone(),this.m_length=a.length},goog.inherits(box2d.b2DistanceJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2DistanceJoint",box2d.b2DistanceJoint),box2d.b2DistanceJoint.prototype.m_frequencyHz=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_frequencyHz",box2d.b2DistanceJoint.prototype.m_frequencyHz),box2d.b2DistanceJoint.prototype.m_dampingRatio=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_dampingRatio",box2d.b2DistanceJoint.prototype.m_dampingRatio),box2d.b2DistanceJoint.prototype.m_bias=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_bias",box2d.b2DistanceJoint.prototype.m_bias),box2d.b2DistanceJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_localAnchorA",box2d.b2DistanceJoint.prototype.m_localAnchorA),box2d.b2DistanceJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_localAnchorB",box2d.b2DistanceJoint.prototype.m_localAnchorB),box2d.b2DistanceJoint.prototype.m_gamma=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_gamma",box2d.b2DistanceJoint.prototype.m_gamma),box2d.b2DistanceJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_impulse",box2d.b2DistanceJoint.prototype.m_impulse),box2d.b2DistanceJoint.prototype.m_length=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_length",box2d.b2DistanceJoint.prototype.m_length),box2d.b2DistanceJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_indexA",box2d.b2DistanceJoint.prototype.m_indexA),box2d.b2DistanceJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_indexB",box2d.b2DistanceJoint.prototype.m_indexB),box2d.b2DistanceJoint.prototype.m_u=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_u",box2d.b2DistanceJoint.prototype.m_u),box2d.b2DistanceJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_rA",box2d.b2DistanceJoint.prototype.m_rA),box2d.b2DistanceJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_rB",box2d.b2DistanceJoint.prototype.m_rB),box2d.b2DistanceJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_localCenterA",box2d.b2DistanceJoint.prototype.m_localCenterA),box2d.b2DistanceJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_localCenterB",box2d.b2DistanceJoint.prototype.m_localCenterB),box2d.b2DistanceJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_invMassA",box2d.b2DistanceJoint.prototype.m_invMassA),box2d.b2DistanceJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_invMassB",box2d.b2DistanceJoint.prototype.m_invMassB),box2d.b2DistanceJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_invIA",box2d.b2DistanceJoint.prototype.m_invIA),box2d.b2DistanceJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_invIB",box2d.b2DistanceJoint.prototype.m_invIB),box2d.b2DistanceJoint.prototype.m_mass=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_mass",box2d.b2DistanceJoint.prototype.m_mass),box2d.b2DistanceJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_qA",box2d.b2DistanceJoint.prototype.m_qA),box2d.b2DistanceJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_qB",box2d.b2DistanceJoint.prototype.m_qB),box2d.b2DistanceJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_lalcA",box2d.b2DistanceJoint.prototype.m_lalcA),box2d.b2DistanceJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_lalcB",box2d.b2DistanceJoint.prototype.m_lalcB),box2d.b2DistanceJoint.prototype.GetAnchorA=function(a){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,a)},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetAnchorA",box2d.b2DistanceJoint.prototype.GetAnchorA),box2d.b2DistanceJoint.prototype.GetAnchorB=function(a){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,a)},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetAnchorB",box2d.b2DistanceJoint.prototype.GetAnchorB),box2d.b2DistanceJoint.prototype.GetReactionForce=function(a,b){return b.Set(a*this.m_impulse*this.m_u.x,a*this.m_impulse*this.m_u.y)},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetReactionForce",box2d.b2DistanceJoint.prototype.GetReactionForce),box2d.b2DistanceJoint.prototype.GetReactionTorque=function(a){return 0},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetReactionTorque",box2d.b2DistanceJoint.prototype.GetReactionTorque),box2d.b2DistanceJoint.prototype.GetLocalAnchorA=function(a){return a.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetLocalAnchorA",box2d.b2DistanceJoint.prototype.GetLocalAnchorA),box2d.b2DistanceJoint.prototype.GetLocalAnchorB=function(a){return a.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetLocalAnchorB",box2d.b2DistanceJoint.prototype.GetLocalAnchorB),box2d.b2DistanceJoint.prototype.SetLength=function(a){this.m_length=a},goog.exportProperty(box2d.b2DistanceJoint.prototype,"SetLength",box2d.b2DistanceJoint.prototype.SetLength),box2d.b2DistanceJoint.prototype.GetLength=function(){return this.m_length},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetLength",box2d.b2DistanceJoint.prototype.GetLength),box2d.b2DistanceJoint.prototype.SetFrequency=function(a){this.m_frequencyHz=a},goog.exportProperty(box2d.b2DistanceJoint.prototype,"SetFrequency",box2d.b2DistanceJoint.prototype.SetFrequency),box2d.b2DistanceJoint.prototype.GetFrequency=function(){return this.m_frequencyHz},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetFrequency",box2d.b2DistanceJoint.prototype.GetFrequency),box2d.b2DistanceJoint.prototype.SetDampingRatio=function(a){this.m_dampingRatio=a},goog.exportProperty(box2d.b2DistanceJoint.prototype,"SetDampingRatio",box2d.b2DistanceJoint.prototype.SetDampingRatio),box2d.b2DistanceJoint.prototype.GetDampingRatio=function(){return this.m_dampingRatio},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetDampingRatio",box2d.b2DistanceJoint.prototype.GetDampingRatio),box2d.b2DistanceJoint.prototype.Dump=function(){if(box2d.DEBUG){var a=this.m_bodyA.m_islandIndex,b=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2DistanceJointDef*/ var jd = new box2d.b2DistanceJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",a),box2d.b2Log("  jd.bodyB = bodies[%d];\n",b),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.length = %.15f;\n",this.m_length),box2d.b2Log("  jd.frequencyHz = %.15f;\n",this.m_frequencyHz),box2d.b2Log("  jd.dampingRatio = %.15f;\n",this.m_dampingRatio),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2DistanceJoint.prototype,"Dump",box2d.b2DistanceJoint.prototype.Dump),box2d.b2DistanceJoint.prototype.InitVelocityConstraints=function(a){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var b=a.positions[this.m_indexA].c,c=a.velocities[this.m_indexA].v,d=a.velocities[this.m_indexA].w,e=a.positions[this.m_indexB].c,f=a.positions[this.m_indexB].a,g=a.velocities[this.m_indexB].v,h=a.velocities[this.m_indexB].w,k=this.m_qA.SetAngle(a.positions[this.m_indexA].a);f=this.m_qB.SetAngle(f);if(box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),box2d.b2Mul_R_V2(k,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(f,this.m_lalcB,this.m_rB),this.m_u.x=e.x+this.m_rB.x-b.x-this.m_rA.x,this.m_u.y=e.y+this.m_rB.y-b.y-this.m_rA.y,(e=this.m_u.Length())>box2d.b2_linearSlop?this.m_u.SelfMul(1/e):this.m_u.SetZero(),b=box2d.b2Cross_V2_V2(this.m_rA,this.m_u),k=box2d.b2Cross_V2_V2(this.m_rB,this.m_u),b=this.m_invMassA+this.m_invIA*b*b+this.m_invMassB+this.m_invIB*k*k,this.m_mass=0!==b?1/b:0,0<this.m_frequencyHz){e=e-this.m_length,k=2*box2d.b2_pi*this.m_frequencyHz,f=this.m_mass*k*k;var l=a.step.dt;this.m_gamma=l*(2*this.m_mass*this.m_dampingRatio*k+l*f),this.m_gamma=0!==this.m_gamma?1/this.m_gamma:0,this.m_bias=e*l*f*this.m_gamma,b+=this.m_gamma,this.m_mass=0!==b?1/b:0}else this.m_bias=this.m_gamma=0;a.step.warmStarting?(this.m_impulse*=a.step.dtRatio,b=box2d.b2Mul_S_V2(this.m_impulse,this.m_u,box2d.b2DistanceJoint.prototype.InitVelocityConstraints.s_P),c.SelfMulSub(this.m_invMassA,b),d-=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,b),g.SelfMulAdd(this.m_invMassB,b),h+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,b)):this.m_impulse=0,a.velocities[this.m_indexA].w=d,a.velocities[this.m_indexB].w=h},goog.exportProperty(box2d.b2DistanceJoint.prototype,"InitVelocityConstraints",box2d.b2DistanceJoint.prototype.InitVelocityConstraints),box2d.b2DistanceJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints=function(a){var b=a.velocities[this.m_indexA].v,c=a.velocities[this.m_indexA].w,d=a.velocities[this.m_indexB].v,e=a.velocities[this.m_indexB].w,f=box2d.b2AddCross_V2_S_V2(b,c,this.m_rA,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_vpA),g=box2d.b2AddCross_V2_S_V2(d,e,this.m_rB,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_vpB);f=box2d.b2Dot_V2_V2(this.m_u,box2d.b2Sub_V2_V2(g,f,box2d.b2Vec2.s_t0)),f=-this.m_mass*(f+this.m_bias+this.m_gamma*this.m_impulse);this.m_impulse+=f,f=box2d.b2Mul_S_V2(f,this.m_u,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_P),b.SelfMulSub(this.m_invMassA,f),c-=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,f),d.SelfMulAdd(this.m_invMassB,f),e+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,f),a.velocities[this.m_indexA].w=c,a.velocities[this.m_indexB].w=e},goog.exportProperty(box2d.b2DistanceJoint.prototype,"SolveVelocityConstraints",box2d.b2DistanceJoint.prototype.SolveVelocityConstraints),box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_vpA=new box2d.b2Vec2,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_vpB=new box2d.b2Vec2,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2DistanceJoint.prototype.SolvePositionConstraints=function(a){if(0<this.m_frequencyHz)return!0;var b=a.positions[this.m_indexA].c,c=a.positions[this.m_indexA].a,d=a.positions[this.m_indexB].c,e=a.positions[this.m_indexB].a;this.m_qA.SetAngle(c),this.m_qB.SetAngle(e);var f=box2d.b2Mul_R_V2(this.m_qA,this.m_lalcA,this.m_rA),g=box2d.b2Mul_R_V2(this.m_qB,this.m_lalcB,this.m_rB);(h=this.m_u).x=d.x+g.x-b.x-f.x,h.y=d.y+g.y-b.y-f.y;var k=this.m_u.Normalize()-this.m_length,h=(k=box2d.b2Clamp(k,-box2d.b2_maxLinearCorrection,box2d.b2_maxLinearCorrection),box2d.b2Mul_S_V2(-this.m_mass*k,h,box2d.b2DistanceJoint.prototype.SolvePositionConstraints.s_P));return b.SelfMulSub(this.m_invMassA,h),c-=this.m_invIA*box2d.b2Cross_V2_V2(f,h),d.SelfMulAdd(this.m_invMassB,h),e+=this.m_invIB*box2d.b2Cross_V2_V2(g,h),a.positions[this.m_indexA].a=c,a.positions[this.m_indexB].a=e,box2d.b2Abs(k)<box2d.b2_linearSlop},goog.exportProperty(box2d.b2DistanceJoint.prototype,"SolvePositionConstraints",box2d.b2DistanceJoint.prototype.SolvePositionConstraints),box2d.b2DistanceJoint.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2FrictionJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_frictionJoint),this.localAnchorA=new box2d.b2Vec2,this.localAnchorB=new box2d.b2Vec2},goog.inherits(box2d.b2FrictionJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2FrictionJointDef",box2d.b2FrictionJointDef),box2d.b2FrictionJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2FrictionJointDef.prototype,"localAnchorA",box2d.b2FrictionJointDef.prototype.localAnchorA),box2d.b2FrictionJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2FrictionJointDef.prototype,"localAnchorB",box2d.b2FrictionJointDef.prototype.localAnchorB),box2d.b2FrictionJointDef.prototype.maxForce=0,goog.exportProperty(box2d.b2FrictionJointDef.prototype,"maxForce",box2d.b2FrictionJointDef.prototype.maxForce),box2d.b2FrictionJointDef.prototype.maxTorque=0,goog.exportProperty(box2d.b2FrictionJointDef.prototype,"maxTorque",box2d.b2FrictionJointDef.prototype.maxTorque),box2d.b2FrictionJointDef.prototype.Initialize=function(a,b,c){this.bodyA=a,this.bodyB=b,this.bodyA.GetLocalPoint(c,this.localAnchorA),this.bodyB.GetLocalPoint(c,this.localAnchorB)},goog.exportProperty(box2d.b2FrictionJointDef.prototype,"Initialize",box2d.b2FrictionJointDef.prototype.Initialize),box2d.b2FrictionJoint=function(a){box2d.b2Joint.call(this,a),this.m_localAnchorA=a.localAnchorA.Clone(),this.m_localAnchorB=a.localAnchorB.Clone(),this.m_linearImpulse=(new box2d.b2Vec2).SetZero(),this.m_maxForce=a.maxForce,this.m_maxTorque=a.maxTorque,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_linearMass=(new box2d.b2Mat22).SetZero(),this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_K=new box2d.b2Mat22},goog.inherits(box2d.b2FrictionJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2FrictionJoint",box2d.b2FrictionJoint),box2d.b2FrictionJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_localAnchorA",box2d.b2FrictionJoint.prototype.m_localAnchorA),box2d.b2FrictionJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_localAnchorB",box2d.b2FrictionJoint.prototype.m_localAnchorB),box2d.b2FrictionJoint.prototype.m_linearImpulse=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_linearImpulse",box2d.b2FrictionJoint.prototype.m_linearImpulse),box2d.b2FrictionJoint.prototype.m_angularImpulse=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_angularImpulse",box2d.b2FrictionJoint.prototype.m_angularImpulse),box2d.b2FrictionJoint.prototype.m_maxForce=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_maxForce",box2d.b2FrictionJoint.prototype.m_maxForce),box2d.b2FrictionJoint.prototype.m_maxTorque=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_maxTorque",box2d.b2FrictionJoint.prototype.m_maxTorque),box2d.b2FrictionJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_indexA",box2d.b2FrictionJoint.prototype.m_indexA),box2d.b2FrictionJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_indexB",box2d.b2FrictionJoint.prototype.m_indexB),box2d.b2FrictionJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_rA",box2d.b2FrictionJoint.prototype.m_rA),box2d.b2FrictionJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_rB",box2d.b2FrictionJoint.prototype.m_rB),box2d.b2FrictionJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_localCenterA",box2d.b2FrictionJoint.prototype.m_localCenterA),box2d.b2FrictionJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_localCenterB",box2d.b2FrictionJoint.prototype.m_localCenterB),box2d.b2FrictionJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_invMassA",box2d.b2FrictionJoint.prototype.m_invMassA),box2d.b2FrictionJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_invMassB",box2d.b2FrictionJoint.prototype.m_invMassB),box2d.b2FrictionJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_invIA",box2d.b2FrictionJoint.prototype.m_invIA),box2d.b2FrictionJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_invIB",box2d.b2FrictionJoint.prototype.m_invIB),box2d.b2FrictionJoint.prototype.m_linearMass=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_linearMass",box2d.b2FrictionJoint.prototype.m_linearMass),box2d.b2FrictionJoint.prototype.m_angularMass=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_angularMass",box2d.b2FrictionJoint.prototype.m_angularMass),box2d.b2FrictionJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_qA",box2d.b2FrictionJoint.prototype.m_qA),box2d.b2FrictionJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_qB",box2d.b2FrictionJoint.prototype.m_qB),box2d.b2FrictionJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_lalcA",box2d.b2FrictionJoint.prototype.m_lalcA),box2d.b2FrictionJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_lalcB",box2d.b2FrictionJoint.prototype.m_lalcB),box2d.b2FrictionJoint.prototype.m_K=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_K",box2d.b2FrictionJoint.prototype.m_K),box2d.b2FrictionJoint.prototype.InitVelocityConstraints=function(a){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var b=a.velocities[this.m_indexA].v,c=a.velocities[this.m_indexA].w,d=a.positions[this.m_indexB].a,e=a.velocities[this.m_indexB].v,f=a.velocities[this.m_indexB].w,g=this.m_qA.SetAngle(a.positions[this.m_indexA].a);d=this.m_qB.SetAngle(d);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),g=box2d.b2Mul_R_V2(g,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);var h=box2d.b2Mul_R_V2(d,this.m_lalcB,this.m_rB),k=(d=this.m_invMassA,this.m_invMassB),l=this.m_invIA,m=this.m_invIB,n=this.m_K;n.ex.x=d+k+l*g.y*g.y+m*h.y*h.y,n.ex.y=-l*g.x*g.y-m*h.x*h.y,n.ey.x=n.ex.y,n.ey.y=d+k+l*g.x*g.x+m*h.x*h.x,n.GetInverse(this.m_linearMass),this.m_angularMass=l+m,0<this.m_angularMass&&(this.m_angularMass=1/this.m_angularMass),a.step.warmStarting?(this.m_linearImpulse.SelfMul(a.step.dtRatio),this.m_angularImpulse*=a.step.dtRatio,g=this.m_linearImpulse,b.SelfMulSub(d,g),c-=l*(box2d.b2Cross_V2_V2(this.m_rA,g)+this.m_angularImpulse),e.SelfMulAdd(k,g),f+=m*(box2d.b2Cross_V2_V2(this.m_rB,g)+this.m_angularImpulse)):(this.m_linearImpulse.SetZero(),this.m_angularImpulse=0),a.velocities[this.m_indexA].w=c,a.velocities[this.m_indexB].w=f},goog.exportProperty(box2d.b2FrictionJoint.prototype,"InitVelocityConstraints",box2d.b2FrictionJoint.prototype.InitVelocityConstraints),box2d.b2FrictionJoint.prototype.SolveVelocityConstraints=function(a){var m,b=a.velocities[this.m_indexA].v,c=a.velocities[this.m_indexA].w,d=a.velocities[this.m_indexB].v,e=a.velocities[this.m_indexB].w,f=this.m_invMassA,g=this.m_invMassB,h=this.m_invIA,k=this.m_invIB,l=a.step.dt,n=-this.m_angularMass*(e-c),p=this.m_angularImpulse;m=l*this.m_maxTorque,this.m_angularImpulse=box2d.b2Clamp(this.m_angularImpulse+n,-m,m),c-=h*(n=this.m_angularImpulse-p),e+=k*n,m=box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(d,e,this.m_rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(b,c,this.m_rA,box2d.b2Vec2.s_t1),box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_Cdot),n=box2d.b2Mul_M22_V2(this.m_linearMass,m,box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_impulseV).SelfNeg(),p=box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_oldImpulseV.Copy(this.m_linearImpulse),this.m_linearImpulse.SelfAdd(n),m=l*this.m_maxForce,this.m_linearImpulse.LengthSquared()>m*m&&(this.m_linearImpulse.Normalize(),this.m_linearImpulse.SelfMul(m)),box2d.b2Sub_V2_V2(this.m_linearImpulse,p,n),b.SelfMulSub(f,n),c-=h*box2d.b2Cross_V2_V2(this.m_rA,n),d.SelfMulAdd(g,n),e+=k*box2d.b2Cross_V2_V2(this.m_rB,n),a.velocities[this.m_indexA].w=c,a.velocities[this.m_indexB].w=e},goog.exportProperty(box2d.b2FrictionJoint.prototype,"SolveVelocityConstraints",box2d.b2FrictionJoint.prototype.SolveVelocityConstraints),box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_Cdot=new box2d.b2Vec2,box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_impulseV=new box2d.b2Vec2,box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_oldImpulseV=new box2d.b2Vec2,box2d.b2FrictionJoint.prototype.SolvePositionConstraints=function(a){return!0},goog.exportProperty(box2d.b2FrictionJoint.prototype,"SolvePositionConstraints",box2d.b2FrictionJoint.prototype.SolvePositionConstraints),box2d.b2FrictionJoint.prototype.GetAnchorA=function(a){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,a)},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetAnchorA",box2d.b2FrictionJoint.prototype.GetAnchorA),box2d.b2FrictionJoint.prototype.GetAnchorB=function(a){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,a)},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetAnchorB",box2d.b2FrictionJoint.prototype.GetAnchorB),box2d.b2FrictionJoint.prototype.GetReactionForce=function(a,b){return b.Set(a*this.m_linearImpulse.x,a*this.m_linearImpulse.y)},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetReactionForce",box2d.b2FrictionJoint.prototype.GetReactionForce),box2d.b2FrictionJoint.prototype.GetReactionTorque=function(a){return a*this.m_angularImpulse},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetReactionTorque",box2d.b2FrictionJoint.prototype.GetReactionTorque),box2d.b2FrictionJoint.prototype.GetLocalAnchorA=function(a){return a.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetLocalAnchorA",box2d.b2FrictionJoint.prototype.GetLocalAnchorA),box2d.b2FrictionJoint.prototype.GetLocalAnchorB=function(a){return a.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetLocalAnchorB",box2d.b2FrictionJoint.prototype.GetLocalAnchorB),box2d.b2FrictionJoint.prototype.SetMaxForce=function(a){this.m_maxForce=a},goog.exportProperty(box2d.b2FrictionJoint.prototype,"SetMaxForce",box2d.b2FrictionJoint.prototype.SetMaxForce),box2d.b2FrictionJoint.prototype.GetMaxForce=function(){return this.m_maxForce},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetMaxForce",box2d.b2FrictionJoint.prototype.GetMaxForce),box2d.b2FrictionJoint.prototype.SetMaxTorque=function(a){this.m_maxTorque=a},goog.exportProperty(box2d.b2FrictionJoint.prototype,"SetMaxTorque",box2d.b2FrictionJoint.prototype.SetMaxTorque),box2d.b2FrictionJoint.prototype.GetMaxTorque=function(){return this.m_maxTorque},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetMaxTorque",box2d.b2FrictionJoint.prototype.GetMaxTorque),box2d.b2FrictionJoint.prototype.Dump=function(){if(box2d.DEBUG){var a=this.m_bodyA.m_islandIndex,b=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2FrictionJointDef*/ var jd = new box2d.b2FrictionJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",a),box2d.b2Log("  jd.bodyB = bodies[%d];\n",b),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.maxForce = %.15f;\n",this.m_maxForce),box2d.b2Log("  jd.maxTorque = %.15f;\n",this.m_maxTorque),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2FrictionJoint.prototype,"Dump",box2d.b2FrictionJoint.prototype.Dump),box2d.b2JointFactory={},box2d.b2JointFactory.Create=function(a,b){var c=null;switch(a.type){case box2d.b2JointType.e_distanceJoint:c=new box2d.b2DistanceJoint(a instanceof box2d.b2DistanceJointDef?a:null);break;case box2d.b2JointType.e_mouseJoint:c=new box2d.b2MouseJoint(a instanceof box2d.b2MouseJointDef?a:null);break;case box2d.b2JointType.e_prismaticJoint:c=new box2d.b2PrismaticJoint(a instanceof box2d.b2PrismaticJointDef?a:null);break;case box2d.b2JointType.e_revoluteJoint:c=new box2d.b2RevoluteJoint(a instanceof box2d.b2RevoluteJointDef?a:null);break;case box2d.b2JointType.e_pulleyJoint:c=new box2d.b2PulleyJoint(a instanceof box2d.b2PulleyJointDef?a:null);break;case box2d.b2JointType.e_gearJoint:c=new box2d.b2GearJoint(a instanceof box2d.b2GearJointDef?a:null);break;case box2d.b2JointType.e_wheelJoint:c=new box2d.b2WheelJoint(a instanceof box2d.b2WheelJointDef?a:null);break;case box2d.b2JointType.e_weldJoint:c=new box2d.b2WeldJoint(a instanceof box2d.b2WeldJointDef?a:null);break;case box2d.b2JointType.e_frictionJoint:c=new box2d.b2FrictionJoint(a instanceof box2d.b2FrictionJointDef?a:null);break;case box2d.b2JointType.e_ropeJoint:c=new box2d.b2RopeJoint(a instanceof box2d.b2RopeJointDef?a:null);break;case box2d.b2JointType.e_motorJoint:c=new box2d.b2MotorJoint(a instanceof box2d.b2MotorJointDef?a:null);break;case box2d.b2JointType.e_areaJoint:c=new box2d.b2AreaJoint(a instanceof box2d.b2AreaJointDef?a:null);break;default:box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1)}return c},goog.exportSymbol("box2d.b2JointFactory.Create",box2d.b2JointFactory.Create),box2d.b2JointFactory.Destroy=function(a,b){},goog.exportSymbol("box2d.b2JointFactory.Destroy",box2d.b2JointFactory.Destroy),box2d.b2World=function(a){this.m_flag_clearForces=!0,this.m_contactManager=new box2d.b2ContactManager,this.m_gravity=a.Clone(),this.m_out_gravity=new box2d.b2Vec2,this.m_allowSleep=!0,this.m_debugDraw=this.m_destructionListener=null,this.m_continuousPhysics=this.m_warmStarting=!0,this.m_subStepping=!1,this.m_stepComplete=!0,this.m_profile=new box2d.b2Profile,this.m_island=new box2d.b2Island,this.s_stack=[]},goog.exportSymbol("box2d.b2World",box2d.b2World),box2d.b2World.prototype.m_flag_newFixture=!1,goog.exportProperty(box2d.b2World.prototype,"m_flag_newFixture",box2d.b2World.prototype.m_flag_newFixture),box2d.b2World.prototype.m_flag_locked=!1,goog.exportProperty(box2d.b2World.prototype,"m_flag_locked",box2d.b2World.prototype.m_flag_locked),box2d.b2World.prototype.m_flag_clearForces=!1,goog.exportProperty(box2d.b2World.prototype,"m_flag_clearForces",box2d.b2World.prototype.m_flag_clearForces),box2d.b2World.prototype.m_contactManager=null,goog.exportProperty(box2d.b2World.prototype,"m_contactManager",box2d.b2World.prototype.m_contactManager),box2d.b2World.prototype.m_bodyList=null,goog.exportProperty(box2d.b2World.prototype,"m_bodyList",box2d.b2World.prototype.m_bodyList),box2d.b2World.prototype.m_jointList=null,goog.exportProperty(box2d.b2World.prototype,"m_jointList",box2d.b2World.prototype.m_jointList),box2d.b2World.prototype.m_particleSystemList=null,goog.exportProperty(box2d.b2World.prototype,"m_particleSystemList",box2d.b2World.prototype.m_particleSystemList),box2d.b2World.prototype.m_bodyCount=0,goog.exportProperty(box2d.b2World.prototype,"m_bodyCount",box2d.b2World.prototype.m_bodyCount),box2d.b2World.prototype.m_jointCount=0,goog.exportProperty(box2d.b2World.prototype,"m_jointCount",box2d.b2World.prototype.m_jointCount),box2d.b2World.prototype.m_gravity=null,goog.exportProperty(box2d.b2World.prototype,"m_gravity",box2d.b2World.prototype.m_gravity),box2d.b2World.prototype.m_out_gravity=null,goog.exportProperty(box2d.b2World.prototype,"m_out_gravity",box2d.b2World.prototype.m_out_gravity),box2d.b2World.prototype.m_allowSleep=!0,goog.exportProperty(box2d.b2World.prototype,"m_allowSleep",box2d.b2World.prototype.m_allowSleep),box2d.b2World.prototype.m_destructionListener=null,goog.exportProperty(box2d.b2World.prototype,"m_destructionListener",box2d.b2World.prototype.m_destructionListener),box2d.b2World.prototype.m_debugDraw=null,goog.exportProperty(box2d.b2World.prototype,"m_debugDraw",box2d.b2World.prototype.m_debugDraw),box2d.b2World.prototype.m_inv_dt0=0,goog.exportProperty(box2d.b2World.prototype,"m_inv_dt0",box2d.b2World.prototype.m_inv_dt0),box2d.b2World.prototype.m_warmStarting=!0,goog.exportProperty(box2d.b2World.prototype,"m_warmStarting",box2d.b2World.prototype.m_warmStarting),box2d.b2World.prototype.m_continuousPhysics=!0,goog.exportProperty(box2d.b2World.prototype,"m_continuousPhysics",box2d.b2World.prototype.m_continuousPhysics),box2d.b2World.prototype.m_subStepping=!1,goog.exportProperty(box2d.b2World.prototype,"m_subStepping",box2d.b2World.prototype.m_subStepping),box2d.b2World.prototype.m_stepComplete=!0,goog.exportProperty(box2d.b2World.prototype,"m_stepComplete",box2d.b2World.prototype.m_stepComplete),box2d.b2World.prototype.m_profile=null,goog.exportProperty(box2d.b2World.prototype,"m_profile",box2d.b2World.prototype.m_profile),box2d.b2World.prototype.m_island=null,goog.exportProperty(box2d.b2World.prototype,"m_island",box2d.b2World.prototype.m_island),box2d.b2World.prototype.s_stack=null,goog.exportProperty(box2d.b2World.prototype,"s_stack",box2d.b2World.prototype.s_stack),box2d.b2World.prototype.m_controllerList=null,goog.exportProperty(box2d.b2World.prototype,"m_controllerList",box2d.b2World.prototype.m_controllerList),box2d.b2World.prototype.m_controllerCount=0,goog.exportProperty(box2d.b2World.prototype,"m_controllerCount",box2d.b2World.prototype.m_controllerCount),box2d.b2World.prototype.SetAllowSleeping=function(a){if(a!==this.m_allowSleep&&(this.m_allowSleep=a,!this.m_allowSleep))for(a=this.m_bodyList;a;a=a.m_next)a.SetAwake(!0)},goog.exportProperty(box2d.b2World.prototype,"SetAllowSleeping",box2d.b2World.prototype.SetAllowSleeping),box2d.b2World.prototype.GetAllowSleeping=function(){return this.m_allowSleep},goog.exportProperty(box2d.b2World.prototype,"GetAllowSleeping",box2d.b2World.prototype.GetAllowSleeping),box2d.b2World.prototype.SetWarmStarting=function(a){this.m_warmStarting=a},goog.exportProperty(box2d.b2World.prototype,"SetWarmStarting",box2d.b2World.prototype.SetWarmStarting),box2d.b2World.prototype.GetWarmStarting=function(){return this.m_warmStarting},goog.exportProperty(box2d.b2World.prototype,"GetWarmStarting",box2d.b2World.prototype.GetWarmStarting),box2d.b2World.prototype.SetContinuousPhysics=function(a){this.m_continuousPhysics=a},goog.exportProperty(box2d.b2World.prototype,"SetContinuousPhysics",box2d.b2World.prototype.SetContinuousPhysics),box2d.b2World.prototype.GetContinuousPhysics=function(){return this.m_continuousPhysics},goog.exportProperty(box2d.b2World.prototype,"GetContinuousPhysics",box2d.b2World.prototype.GetContinuousPhysics),box2d.b2World.prototype.SetSubStepping=function(a){this.m_subStepping=a},goog.exportProperty(box2d.b2World.prototype,"SetSubStepping",box2d.b2World.prototype.SetSubStepping),box2d.b2World.prototype.GetSubStepping=function(){return this.m_subStepping},goog.exportProperty(box2d.b2World.prototype,"GetSubStepping",box2d.b2World.prototype.GetSubStepping),box2d.b2World.prototype.GetBodyList=function(){return this.m_bodyList},goog.exportProperty(box2d.b2World.prototype,"GetBodyList",box2d.b2World.prototype.GetBodyList),box2d.b2World.prototype.GetJointList=function(){return this.m_jointList},goog.exportProperty(box2d.b2World.prototype,"GetJointList",box2d.b2World.prototype.GetJointList),box2d.b2World.prototype.GetParticleSystemList=function(){return this.m_particleSystemList},goog.exportProperty(box2d.b2World.prototype,"GetParticleSystemList",box2d.b2World.prototype.GetParticleSystemList),box2d.b2World.prototype.GetContactList=function(){return this.m_contactManager.m_contactList},goog.exportProperty(box2d.b2World.prototype,"GetContactList",box2d.b2World.prototype.GetContactList),box2d.b2World.prototype.GetBodyCount=function(){return this.m_bodyCount},goog.exportProperty(box2d.b2World.prototype,"GetBodyCount",box2d.b2World.prototype.GetBodyCount),box2d.b2World.prototype.GetJointCount=function(){return this.m_jointCount},goog.exportProperty(box2d.b2World.prototype,"GetJointCount",box2d.b2World.prototype.GetJointCount),box2d.b2World.prototype.GetContactCount=function(){return this.m_contactManager.m_contactCount},goog.exportProperty(box2d.b2World.prototype,"GetContactCount",box2d.b2World.prototype.GetContactCount),box2d.b2World.prototype.SetGravity=function(a,b){if(b=b||!0,(this.m_gravity.x!==a.x||this.m_gravity.y!==a.y)&&(this.m_gravity.Copy(a),b))for(var c=this.m_bodyList;c;c=c.m_next)c.SetAwake(!0)},goog.exportProperty(box2d.b2World.prototype,"SetGravity",box2d.b2World.prototype.SetGravity),box2d.b2World.prototype.GetGravity=function(a){return(a=a||this.m_out_gravity).Copy(this.m_gravity)},goog.exportProperty(box2d.b2World.prototype,"GetGravity",box2d.b2World.prototype.GetGravity),box2d.b2World.prototype.IsLocked=function(){return this.m_flag_locked},goog.exportProperty(box2d.b2World.prototype,"IsLocked",box2d.b2World.prototype.IsLocked),box2d.b2World.prototype.SetAutoClearForces=function(a){this.m_flag_clearForces=a},goog.exportProperty(box2d.b2World.prototype,"SetAutoClearForces",box2d.b2World.prototype.SetAutoClearForces),box2d.b2World.prototype.GetAutoClearForces=function(){return this.m_flag_clearForces},goog.exportProperty(box2d.b2World.prototype,"GetAutoClearForces",box2d.b2World.prototype.GetAutoClearForces),box2d.b2World.prototype.GetContactManager=function(){return this.m_contactManager},goog.exportProperty(box2d.b2World.prototype,"GetContactManager",box2d.b2World.prototype.GetContactManager),box2d.b2World.prototype.GetProfile=function(){return this.m_profile},goog.exportProperty(box2d.b2World.prototype,"GetProfile",box2d.b2World.prototype.GetProfile),box2d.b2World.prototype.SetDestructionListener=function(a){this.m_destructionListener=a},goog.exportProperty(box2d.b2World.prototype,"SetDestructionListener",box2d.b2World.prototype.SetDestructionListener),box2d.b2World.prototype.SetContactFilter=function(a){this.m_contactManager.m_contactFilter=a},goog.exportProperty(box2d.b2World.prototype,"SetContactFilter",box2d.b2World.prototype.SetContactFilter),box2d.b2World.prototype.SetContactListener=function(a){this.m_contactManager.m_contactListener=a},goog.exportProperty(box2d.b2World.prototype,"SetContactListener",box2d.b2World.prototype.SetContactListener),box2d.b2World.prototype.SetDebugDraw=function(a){this.m_debugDraw=a},goog.exportProperty(box2d.b2World.prototype,"SetDebugDraw",box2d.b2World.prototype.SetDebugDraw),box2d.b2World.prototype.CreateBody=function(a){return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),this.IsLocked()?null:((a=new box2d.b2Body(a,this)).m_prev=null,(a.m_next=this.m_bodyList)&&(this.m_bodyList.m_prev=a),this.m_bodyList=a,++this.m_bodyCount,a)},goog.exportProperty(box2d.b2World.prototype,"CreateBody",box2d.b2World.prototype.CreateBody),box2d.b2World.prototype.DestroyBody=function(a){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_bodyCount),box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),!this.IsLocked()){for(var b=a.m_jointList;b;){var c=b;b=b.next;this.m_destructionListener&&this.m_destructionListener.SayGoodbyeJoint(c.joint),this.DestroyJoint(c.joint),a.m_jointList=b}for(a.m_jointList=null,b=a.m_controllerList;b;)c=b,b=b.nextController,c.controller.RemoveBody(a);for(b=a.m_contactList;b;)c=b,b=b.next,this.m_contactManager.Destroy(c.contact);for(a.m_contactList=null,b=a.m_fixtureList;b;)c=b,b=b.m_next,this.m_destructionListener&&this.m_destructionListener.SayGoodbyeFixture(c),c.DestroyProxies(this.m_contactManager.m_broadPhase),c.Destroy(),a.m_fixtureList=b,--a.m_fixtureCount;a.m_fixtureList=null,a.m_fixtureCount=0,a.m_prev&&(a.m_prev.m_next=a.m_next),a.m_next&&(a.m_next.m_prev=a.m_prev),a===this.m_bodyList&&(this.m_bodyList=a.m_next),--this.m_bodyCount}},goog.exportProperty(box2d.b2World.prototype,"DestroyBody",box2d.b2World.prototype.DestroyBody),box2d.b2World.prototype.CreateJoint=function(a){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),this.IsLocked())return null;var b=box2d.b2JointFactory.Create(a,null);b.m_prev=null,(b.m_next=this.m_jointList)&&(this.m_jointList.m_prev=b),this.m_jointList=b,++this.m_jointCount,b.m_edgeA.joint=b,b.m_edgeA.other=b.m_bodyB,b.m_edgeA.prev=null,(b.m_edgeA.next=b.m_bodyA.m_jointList)&&(b.m_bodyA.m_jointList.prev=b.m_edgeA),b.m_bodyA.m_jointList=b.m_edgeA,b.m_edgeB.joint=b,b.m_edgeB.other=b.m_bodyA,b.m_edgeB.prev=null,(b.m_edgeB.next=b.m_bodyB.m_jointList)&&(b.m_bodyB.m_jointList.prev=b.m_edgeB),b.m_bodyB.m_jointList=b.m_edgeB;var c=a.bodyA,d=a.bodyB;if(!a.collideConnected)for(a=d.GetContactList();a;)a.other===c&&a.contact.FlagForFiltering(),a=a.next;return b},goog.exportProperty(box2d.b2World.prototype,"CreateJoint",box2d.b2World.prototype.CreateJoint),box2d.b2World.prototype.DestroyJoint=function(a){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),!this.IsLocked()){var b=a.m_collideConnected;a.m_prev&&(a.m_prev.m_next=a.m_next),a.m_next&&(a.m_next.m_prev=a.m_prev),a===this.m_jointList&&(this.m_jointList=a.m_next);var c=a.m_bodyA,d=a.m_bodyB;if(c.SetAwake(!0),d.SetAwake(!0),a.m_edgeA.prev&&(a.m_edgeA.prev.next=a.m_edgeA.next),a.m_edgeA.next&&(a.m_edgeA.next.prev=a.m_edgeA.prev),a.m_edgeA===c.m_jointList&&(c.m_jointList=a.m_edgeA.next),a.m_edgeA.prev=null,a.m_edgeA.next=null,a.m_edgeB.prev&&(a.m_edgeB.prev.next=a.m_edgeB.next),a.m_edgeB.next&&(a.m_edgeB.next.prev=a.m_edgeB.prev),a.m_edgeB===d.m_jointList&&(d.m_jointList=a.m_edgeB.next),a.m_edgeB.prev=null,a.m_edgeB.next=null,box2d.b2JointFactory.Destroy(a,null),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_jointCount),--this.m_jointCount,!b)for(a=d.GetContactList();a;)a.other===c&&a.contact.FlagForFiltering(),a=a.next}},goog.exportProperty(box2d.b2World.prototype,"DestroyJoint",box2d.b2World.prototype.DestroyJoint),box2d.b2World.prototype.CreateParticleSystem=function(a){return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),this.IsLocked()?null:((a=new box2d.b2ParticleSystem(a,this)).m_prev=null,(a.m_next=this.m_particleSystemList)&&(this.m_particleSystemList.m_prev=a),this.m_particleSystemList=a)},goog.exportProperty(box2d.b2World.prototype,"CreateParticleSystem",box2d.b2World.prototype.CreateParticleSystem),box2d.b2World.prototype.DestroyParticleSystem=function(a){box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),this.IsLocked()||(a.m_prev&&(a.m_prev.m_next=a.m_next),a.m_next&&(a.m_next.m_prev=a.m_prev),a===this.m_particleSystemList&&(this.m_particleSystemList=a.m_next))},goog.exportProperty(box2d.b2World.prototype,"DestroyParticleSystem",box2d.b2World.prototype.DestroyParticleSystem),box2d.b2World.prototype.Solve=function(a){for(var b=this.m_bodyList;b;b=b.m_next)b.m_xf0.Copy(b.m_xf);for(var c=this.m_controllerList;c;c=c.m_next)c.Step(a);for(this.m_profile.solveInit=0,this.m_profile.solveVelocity=0,this.m_profile.solvePosition=0,(c=this.m_island).Initialize(this.m_bodyCount,this.m_contactManager.m_contactCount,this.m_jointCount,null,this.m_contactManager.m_contactListener),b=this.m_bodyList;b;b=b.m_next)b.m_flag_islandFlag=!1;for(var d=this.m_contactManager.m_contactList;d;d=d.m_next)d.m_flag_islandFlag=!1;for(d=this.m_jointList;d;d=d.m_next)d.m_islandFlag=!1;d=this.m_bodyCount;for(var e=this.s_stack,f=this.m_bodyList;f;f=f.m_next)if(!f.m_flag_islandFlag&&f.IsAwake()&&f.IsActive()&&f.GetType()!==box2d.b2BodyType.b2_staticBody){c.Clear();var g=0;for(e[g++]=f,f.m_flag_islandFlag=!0;0<g;)if(b=e[--g],box2d.ENABLE_ASSERTS&&box2d.b2Assert(b.IsActive()),c.AddBody(b),b.SetAwake(!0),b.GetType()!==box2d.b2BodyType.b2_staticBody){for(var h=b.m_contactList;h;h=h.next){var k=h.contact;if(!k.m_flag_islandFlag&&k.IsEnabled()&&k.IsTouching()){var l=k.m_fixtureB.m_isSensor;k.m_fixtureA.m_isSensor||l||(c.AddContact(k),k.m_flag_islandFlag=!0,(k=h.other).m_flag_islandFlag||(box2d.ENABLE_ASSERTS&&box2d.b2Assert(g<d),e[g++]=k,k.m_flag_islandFlag=!0))}}for(b=b.m_jointList;b;b=b.next)b.joint.m_islandFlag||(k=b.other).IsActive()&&(c.AddJoint(b.joint),b.joint.m_islandFlag=!0,k.m_flag_islandFlag||(box2d.ENABLE_ASSERTS&&box2d.b2Assert(g<d),e[g++]=k,k.m_flag_islandFlag=!0))}for(b=new box2d.b2Profile,c.Solve(b,a,this.m_gravity,this.m_allowSleep),this.m_profile.solveInit+=b.solveInit,this.m_profile.solveVelocity+=b.solveVelocity,this.m_profile.solvePosition+=b.solvePosition,g=0;g<c.m_bodyCount;++g)(b=c.m_bodies[g]).GetType()===box2d.b2BodyType.b2_staticBody&&(b.m_flag_islandFlag=!1)}for(g=0;g<e.length&&e[g];++g)e[g]=null;for(a=new box2d.b2Timer,b=this.m_bodyList;b;b=b.m_next)b.m_flag_islandFlag&&b.GetType()!==box2d.b2BodyType.b2_staticBody&&b.SynchronizeFixtures();this.m_contactManager.FindNewContacts(),this.m_profile.broadphase=a.GetMilliseconds()},goog.exportProperty(box2d.b2World.prototype,"Solve",box2d.b2World.prototype.Solve),box2d.b2World.prototype.SolveTOI=function(a){var b=this.m_island;if(b.Initialize(2*box2d.b2_maxTOIContacts,box2d.b2_maxTOIContacts,0,null,this.m_contactManager.m_contactListener),this.m_stepComplete){for(var c=this.m_bodyList;c;c=c.m_next)c.m_flag_islandFlag=!1,c.m_sweep.alpha0=0;for(var d=this.m_contactManager.m_contactList;d;d=d.m_next)d.m_flag_toiFlag=d.m_flag_islandFlag=!1,d.m_toiCount=0,d.m_toi=1}for(;;){var e=null;for(c=1,d=this.m_contactManager.m_contactList;d;d=d.m_next)if(d.IsEnabled()&&!(d.m_toiCount>box2d.b2_maxSubSteps)){var f=1;if(d.m_flag_toiFlag)f=d.m_toi;else{var g=d.GetFixtureA(),h=d.GetFixtureB();if(g.IsSensor()||h.IsSensor())continue;f=g.GetBody();var k=h.GetBody(),l=f.m_type,m=k.m_type;box2d.ENABLE_ASSERTS&&box2d.b2Assert(l!==box2d.b2BodyType.b2_staticBody||m!==box2d.b2BodyType.b2_staticBody);var n=f.IsAwake()&&l!==box2d.b2BodyType.b2_staticBody,p=k.IsAwake()&&m!==box2d.b2BodyType.b2_staticBody;if(!n&&!p)continue;if(l=f.IsBullet()||l!==box2d.b2BodyType.b2_dynamicBody,m=k.IsBullet()||m!==box2d.b2BodyType.b2_dynamicBody,!l&&!m)continue;m=f.m_sweep.alpha0,f.m_sweep.alpha0<k.m_sweep.alpha0?(m=k.m_sweep.alpha0,f.m_sweep.Advance(m)):k.m_sweep.alpha0<f.m_sweep.alpha0&&(m=f.m_sweep.alpha0,k.m_sweep.Advance(m)),box2d.ENABLE_ASSERTS&&box2d.b2Assert(1>m),n=d.GetChildIndexA(),p=d.GetChildIndexB(),(l=box2d.b2World.prototype.SolveTOI.s_toi_input).proxyA.SetShape(g.GetShape(),n),l.proxyB.SetShape(h.GetShape(),p),l.sweepA.Copy(f.m_sweep),l.sweepB.Copy(k.m_sweep),l.tMax=1,f=box2d.b2World.prototype.SolveTOI.s_toi_output,box2d.b2TimeOfImpact(f,l),k=f.t,f=f.state===box2d.b2TOIOutputState.e_touching?box2d.b2Min(m+(1-m)*k,1):1,d.m_toi=f,d.m_flag_toiFlag=!0}f<c&&(e=d,c=f)}if(null===e||1-10*box2d.b2_epsilon<c){this.m_stepComplete=!0;break}if(g=e.GetFixtureA(),h=e.GetFixtureB(),f=g.GetBody(),k=h.GetBody(),d=box2d.b2World.prototype.SolveTOI.s_backup1.Copy(f.m_sweep),g=box2d.b2World.prototype.SolveTOI.s_backup2.Copy(k.m_sweep),f.Advance(c),k.Advance(c),e.Update(this.m_contactManager.m_contactListener),e.m_flag_toiFlag=!1,++e.m_toiCount,e.IsEnabled()&&e.IsTouching()){for(f.SetAwake(!0),k.SetAwake(!0),b.Clear(),b.AddBody(f),b.AddBody(k),b.AddContact(e),f.m_flag_islandFlag=!0,k.m_flag_islandFlag=!0,e.m_flag_islandFlag=!0,e=0;2>e;++e)if((d=0===e?f:k).m_type===box2d.b2BodyType.b2_dynamicBody)for(g=d.m_contactList;g&&b.m_bodyCount!==b.m_bodyCapacity&&b.m_contactCount!==b.m_contactCapacity;g=g.next)!(h=g.contact).m_flag_islandFlag&&((m=g.other).m_type!==box2d.b2BodyType.b2_dynamicBody||d.IsBullet()||m.IsBullet())&&(l=h.m_fixtureB.m_isSensor,h.m_fixtureA.m_isSensor||l||(l=box2d.b2World.prototype.SolveTOI.s_backup.Copy(m.m_sweep),m.m_flag_islandFlag||m.Advance(c),h.Update(this.m_contactManager.m_contactListener),h.IsEnabled()&&h.IsTouching()?(h.m_flag_islandFlag=!0,b.AddContact(h),m.m_flag_islandFlag||(m.m_flag_islandFlag=!0,m.m_type!==box2d.b2BodyType.b2_staticBody&&m.SetAwake(!0),b.AddBody(m))):(m.m_sweep.Copy(l),m.SynchronizeTransform())));for((e=box2d.b2World.prototype.SolveTOI.s_subStep).dt=(1-c)*a.dt,e.inv_dt=1/e.dt,e.dtRatio=1,e.positionIterations=20,e.velocityIterations=a.velocityIterations,e.particleIterations=a.particleIterations,e.warmStarting=!1,b.SolveTOI(e,f.m_islandIndex,k.m_islandIndex),e=0;e<b.m_bodyCount;++e)if((d=b.m_bodies[e]).m_flag_islandFlag=!1,d.m_type===box2d.b2BodyType.b2_dynamicBody)for(d.SynchronizeFixtures(),g=d.m_contactList;g;g=g.next)g.contact.m_flag_toiFlag=g.contact.m_flag_islandFlag=!1;if(this.m_contactManager.FindNewContacts(),this.m_subStepping){this.m_stepComplete=!1;break}}else e.SetEnabled(!1),f.m_sweep.Copy(d),k.m_sweep.Copy(g),f.SynchronizeTransform(),k.SynchronizeTransform()}},goog.exportProperty(box2d.b2World.prototype,"SolveTOI",box2d.b2World.prototype.SolveTOI),box2d.b2World.prototype.SolveTOI.s_subStep=new box2d.b2TimeStep,box2d.b2World.prototype.SolveTOI.s_backup=new box2d.b2Sweep,box2d.b2World.prototype.SolveTOI.s_backup1=new box2d.b2Sweep,box2d.b2World.prototype.SolveTOI.s_backup2=new box2d.b2Sweep,box2d.b2World.prototype.SolveTOI.s_toi_input=new box2d.b2TOIInput,box2d.b2World.prototype.SolveTOI.s_toi_output=new box2d.b2TOIOutput,box2d.b2World.prototype.Step=function(a,b,c,d){d=d||this.CalculateReasonableParticleIterations(a);var e=new box2d.b2Timer;this.m_flag_newFixture&&(this.m_contactManager.FindNewContacts(),this.m_flag_newFixture=!1),this.m_flag_locked=!0;var f=box2d.b2World.prototype.Step.s_step;if(f.dt=a,f.velocityIterations=b,f.positionIterations=c,f.particleIterations=d,f.inv_dt=0<a?1/a:0,f.dtRatio=this.m_inv_dt0*a,f.warmStarting=this.m_warmStarting,a=new box2d.b2Timer,this.m_contactManager.Collide(),this.m_profile.collide=a.GetMilliseconds(),this.m_stepComplete&&0<f.dt){for(a=new box2d.b2Timer,b=this.m_particleSystemList;b;b=b.m_next)b.Solve(f);this.Solve(f),this.m_profile.solve=a.GetMilliseconds()}this.m_continuousPhysics&&0<f.dt&&(a=new box2d.b2Timer,this.SolveTOI(f),this.m_profile.solveTOI=a.GetMilliseconds()),0<f.dt&&(this.m_inv_dt0=f.inv_dt),this.m_flag_clearForces&&this.ClearForces(),this.m_flag_locked=!1,this.m_profile.step=e.GetMilliseconds()},goog.exportProperty(box2d.b2World.prototype,"Step",box2d.b2World.prototype.Step),box2d.b2World.prototype.Step.s_step=new box2d.b2TimeStep,box2d.b2World.prototype.ClearForces=function(){for(var a=this.m_bodyList;a;a=a.m_next)a.m_force.SetZero(),a.m_torque=0},goog.exportProperty(box2d.b2World.prototype,"ClearForces",box2d.b2World.prototype.ClearForces),box2d.b2World.prototype.QueryAABB=function(a,b){var c=this.m_contactManager.m_broadPhase;if(c.Query(function(b){return b=c.GetUserData(b),box2d.ENABLE_ASSERTS&&box2d.b2Assert(b instanceof box2d.b2FixtureProxy),b=b.fixture,a instanceof box2d.b2QueryCallback?a.ReportFixture(b):a(b)},b),a instanceof box2d.b2QueryCallback)for(var d=this.m_particleSystemList;d;d=d.m_next)a.ShouldQueryParticleSystem(d)&&d.QueryAABB(a,b)},goog.exportProperty(box2d.b2World.prototype,"QueryAABB",box2d.b2World.prototype.QueryAABB),box2d.b2World.prototype.QueryShape=function(a,b,c,d){var e=this.m_contactManager.m_broadPhase,f=box2d.b2World.prototype.QueryShape.s_aabb;if(b.ComputeAABB(f,c,d||0),e.Query(function(d){return d=e.GetUserData(d),box2d.ENABLE_ASSERTS&&box2d.b2Assert(d instanceof box2d.b2FixtureProxy),d=d.fixture,!box2d.b2TestOverlap_Shape(b,0,d.GetShape(),0,c,d.GetBody().GetTransform())||(a instanceof box2d.b2QueryCallback?a.ReportFixture(d):a(d))},f),a instanceof box2d.b2QueryCallback)for(d=this.m_particleSystemList;d;d=d.m_next)a.ShouldQueryParticleSystem(d)&&d.QueryAABB(a,f)},goog.exportProperty(box2d.b2World.prototype,"QueryShape",box2d.b2World.prototype.QueryShape),box2d.b2World.prototype.QueryShape.s_aabb=new box2d.b2AABB,box2d.b2World.prototype.QueryPoint=function(a,b,c){var d=this.m_contactManager.m_broadPhase;c="number"==typeof c?c:box2d.b2_linearSlop;var e=box2d.b2World.prototype.QueryPoint.s_aabb;if(e.lowerBound.Set(b.x-c,b.y-c),e.upperBound.Set(b.x+c,b.y+c),d.Query(function(c){return c=d.GetUserData(c),box2d.ENABLE_ASSERTS&&box2d.b2Assert(c instanceof box2d.b2FixtureProxy),!(c=c.fixture).TestPoint(b)||(a instanceof box2d.b2QueryCallback?a.ReportFixture(c):a(c))},e),a instanceof box2d.b2QueryCallback)for(c=this.m_particleSystemList;c;c=c.m_next)a.ShouldQueryParticleSystem(c)&&c.QueryAABB(a,e)},goog.exportProperty(box2d.b2World.prototype,"QueryPoint",box2d.b2World.prototype.QueryPoint),box2d.b2World.prototype.QueryPoint.s_aabb=new box2d.b2AABB,box2d.b2World.prototype.RayCast=function(a,b,c){var d=this.m_contactManager.m_broadPhase,e=box2d.b2World.prototype.RayCast.s_input;if(e.maxFraction=1,e.p1.Copy(b),e.p2.Copy(c),d.RayCast(function(e,g){var h=d.GetUserData(g);box2d.ENABLE_ASSERTS&&box2d.b2Assert(h instanceof box2d.b2FixtureProxy);var k=h.fixture,l=box2d.b2World.prototype.RayCast.s_output;if(k.RayCast(l,e,h.childIndex)){h=l.fraction;var m=box2d.b2World.prototype.RayCast.s_point;return m.Set((1-h)*b.x+h*c.x,(1-h)*b.y+h*c.y),a instanceof box2d.b2RayCastCallback?a.ReportFixture(k,m,l.normal,h):a(k,m,l.normal,h)}return e.maxFraction},e),a instanceof box2d.b2RayCastCallback)for(e=this.m_particleSystemList;e;e=e.m_next)a.ShouldQueryParticleSystem(e)&&e.RayCast(a,b,c)},goog.exportProperty(box2d.b2World.prototype,"RayCast",box2d.b2World.prototype.RayCast),box2d.b2World.prototype.RayCast.s_input=new box2d.b2RayCastInput,box2d.b2World.prototype.RayCast.s_output=new box2d.b2RayCastOutput,box2d.b2World.prototype.RayCast.s_point=new box2d.b2Vec2,box2d.b2World.prototype.RayCastOne=function(a,b){var c=null,d=1;return this.RayCast(function(a,b,g,h){return h<d&&(d=h,c=a),d},a,b),c},goog.exportProperty(box2d.b2World.prototype,"RayCastOne",box2d.b2World.prototype.RayCastOne),box2d.b2World.prototype.RayCastAll=function(a,b,c){return c.length=0,this.RayCast(function(a,b,f,g){return c.push(a),1},a,b),c},goog.exportProperty(box2d.b2World.prototype,"RayCastAll",box2d.b2World.prototype.RayCastAll),box2d.b2World.prototype.DrawShape=function(a,b){switch((c=a.GetShape()).m_type){case box2d.b2ShapeType.e_circleShape:c=c instanceof box2d.b2CircleShape?c:null,this.m_debugDraw.DrawSolidCircle(c.m_p,c.m_radius,box2d.b2Vec2.UNITX,b);break;case box2d.b2ShapeType.e_edgeShape:var c=(d=c instanceof box2d.b2EdgeShape?c:null).m_vertex1,e=d.m_vertex2;this.m_debugDraw.DrawSegment(c,e,b);break;case box2d.b2ShapeType.e_chainShape:var d=(c=c instanceof box2d.b2ChainShape?c:null).m_count,f=c.m_vertices;c=f[0];this.m_debugDraw.DrawCircle(c,.05,b);for(var g=1;g<d;++g)e=f[g],this.m_debugDraw.DrawSegment(c,e,b),this.m_debugDraw.DrawCircle(e,.05,b),c=e;break;case box2d.b2ShapeType.e_polygonShape:c=(d=c instanceof box2d.b2PolygonShape?c:null).m_count,f=d.m_vertices,this.m_debugDraw.DrawSolidPolygon(f,c,b)}},goog.exportProperty(box2d.b2World.prototype,"DrawShape",box2d.b2World.prototype.DrawShape),box2d.b2World.prototype.DrawJoint=function(a){var b=a.GetBodyA(),c=a.GetBodyB(),d=b.m_xf.p,e=c.m_xf.p,f=(c=a.GetAnchorA(box2d.b2World.prototype.DrawJoint.s_p1),b=a.GetAnchorB(box2d.b2World.prototype.DrawJoint.s_p2),box2d.b2World.prototype.DrawJoint.s_color.SetRGB(.5,.8,.8));switch(a.m_type){case box2d.b2JointType.e_distanceJoint:this.m_debugDraw.DrawSegment(c,b,f);break;case box2d.b2JointType.e_pulleyJoint:a=(d=a instanceof box2d.b2PulleyJoint?a:null).GetGroundAnchorA(box2d.b2World.prototype.DrawJoint.s_s1),d=d.GetGroundAnchorB(box2d.b2World.prototype.DrawJoint.s_s2),this.m_debugDraw.DrawSegment(a,c,f),this.m_debugDraw.DrawSegment(d,b,f),this.m_debugDraw.DrawSegment(a,d,f);break;case box2d.b2JointType.e_mouseJoint:this.m_debugDraw.DrawSegment(c,b,f);break;default:this.m_debugDraw.DrawSegment(d,c,f),this.m_debugDraw.DrawSegment(c,b,f),this.m_debugDraw.DrawSegment(e,b,f)}},goog.exportProperty(box2d.b2World.prototype,"DrawJoint",box2d.b2World.prototype.DrawJoint),box2d.b2World.prototype.DrawJoint.s_p1=new box2d.b2Vec2,box2d.b2World.prototype.DrawJoint.s_p2=new box2d.b2Vec2,box2d.b2World.prototype.DrawJoint.s_color=new box2d.b2Color(.5,.8,.8),box2d.b2World.prototype.DrawJoint.s_s1=new box2d.b2Vec2,box2d.b2World.prototype.DrawJoint.s_s2=new box2d.b2Vec2,box2d.b2World.prototype.DrawParticleSystem=function(a){var b=a.GetParticleCount();if(b){var c=a.GetRadius(),d=a.GetPositionBuffer();a.m_colorBuffer.data?(a=a.GetColorBuffer(),this.m_debugDraw.DrawParticles(d,c,a,b)):this.m_debugDraw.DrawParticles(d,c,null,b)}},goog.exportProperty(box2d.b2World.prototype,"DrawParticleSystem",box2d.b2World.prototype.DrawParticleSystem),box2d.b2World.prototype.DrawDebugData=function(){if(null!==this.m_debugDraw){var a=this.m_debugDraw.GetFlags(),b=box2d.b2World.prototype.DrawDebugData.s_color.SetRGB(0,0,0);if(a&box2d.b2DrawFlags.e_shapeBit)for(var c=this.m_bodyList;c;c=c.m_next){var d=c.m_xf;this.m_debugDraw.PushTransform(d);for(var e=c.GetFixtureList();e;e=e.m_next)c.IsActive()?c.GetType()===box2d.b2BodyType.b2_staticBody?b.SetRGB(.5,.9,.5):c.GetType()===box2d.b2BodyType.b2_kinematicBody?b.SetRGB(.5,.5,.9):c.IsAwake()?b.SetRGB(.9,.7,.7):b.SetRGB(.6,.6,.6):b.SetRGB(.5,.5,.3),this.DrawShape(e,b);this.m_debugDraw.PopTransform(d)}if(a&box2d.b2DrawFlags.e_particleBit)for(c=this.m_particleSystemList;c;c=c.m_next)this.DrawParticleSystem(c);if(a&box2d.b2DrawFlags.e_jointBit)for(c=this.m_jointList;c;c=c.m_next)this.DrawJoint(c);if(a&box2d.b2DrawFlags.e_aabbBit){b.SetRGB(.9,.3,.9);d=this.m_contactManager.m_broadPhase;var f=box2d.b2World.prototype.DrawDebugData.s_vs;for(c=this.m_bodyList;c;c=c.m_next)if(c.IsActive())for(e=c.GetFixtureList();e;e=e.m_next)for(var g=0;g<e.m_proxyCount;++g){var h=d.GetFatAABB(e.m_proxies[g].proxy);f[0].Set(h.lowerBound.x,h.lowerBound.y),f[1].Set(h.upperBound.x,h.lowerBound.y),f[2].Set(h.upperBound.x,h.upperBound.y),f[3].Set(h.lowerBound.x,h.upperBound.y),this.m_debugDraw.DrawPolygon(f,4,b)}}if(a&box2d.b2DrawFlags.e_centerOfMassBit)for(c=this.m_bodyList;c;c=c.m_next)(d=box2d.b2World.prototype.DrawDebugData.s_xf).q.Copy(c.m_xf.q),d.p.Copy(c.GetWorldCenter()),this.m_debugDraw.DrawTransform(d);if(a&box2d.b2DrawFlags.e_controllerBit)for(a=this.m_controllerList;a;a=a.m_next)a.Draw(this.m_debugDraw)}},goog.exportProperty(box2d.b2World.prototype,"DrawDebugData",box2d.b2World.prototype.DrawDebugData),box2d.b2World.prototype.DrawDebugData.s_color=new box2d.b2Color(0,0,0),box2d.b2World.prototype.DrawDebugData.s_vs=box2d.b2Vec2.MakeArray(4),box2d.b2World.prototype.DrawDebugData.s_xf=new box2d.b2Transform,box2d.b2World.prototype.SetBroadPhase=function(a){var b=this.m_contactManager.m_broadPhase;this.m_contactManager.m_broadPhase=a;for(var c=this.m_bodyList;c;c=c.m_next)for(var d=c.m_fixtureList;d;d=d.m_next)d.m_proxy=a.CreateProxy(b.GetFatAABB(d.m_proxy),d)},goog.exportProperty(box2d.b2World.prototype,"SetBroadPhase",box2d.b2World.prototype.SetBroadPhase),box2d.b2World.prototype.CalculateReasonableParticleIterations=function(a){return null===this.m_particleSystemList?1:box2d.b2CalculateParticleIterations(this.m_gravity.Length(),function(a){var c=box2d.b2_maxFloat;for(a=a.GetParticleSystemList();null!==a;a=a.m_next)c=box2d.b2Min(c,a.GetRadius());return c}(this),a)},goog.exportProperty(box2d.b2World.prototype,"CalculateReasonableParticleIterations",box2d.b2World.prototype.CalculateReasonableParticleIterations),box2d.b2World.prototype.GetProxyCount=function(){return this.m_contactManager.m_broadPhase.GetProxyCount()},goog.exportProperty(box2d.b2World.prototype,"GetProxyCount",box2d.b2World.prototype.GetProxyCount),box2d.b2World.prototype.GetTreeHeight=function(){return this.m_contactManager.m_broadPhase.GetTreeHeight()},goog.exportProperty(box2d.b2World.prototype,"GetTreeHeight",box2d.b2World.prototype.GetTreeHeight),box2d.b2World.prototype.GetTreeBalance=function(){return this.m_contactManager.m_broadPhase.GetTreeBalance()},goog.exportProperty(box2d.b2World.prototype,"GetTreeBalance",box2d.b2World.prototype.GetTreeBalance),box2d.b2World.prototype.GetTreeQuality=function(){return this.m_contactManager.m_broadPhase.GetTreeQuality()},goog.exportProperty(box2d.b2World.prototype,"GetTreeQuality",box2d.b2World.prototype.GetTreeQuality),box2d.b2World.prototype.ShiftOrigin=function(a){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),!this.IsLocked()){for(var b=this.m_bodyList;b;b=b.m_next)b.m_xf.p.SelfSub(a),b.m_sweep.c0.SelfSub(a),b.m_sweep.c.SelfSub(a);for(b=this.m_jointList;b;b=b.m_next)b.ShiftOrigin(a);this.m_contactManager.m_broadPhase.ShiftOrigin(a)}},goog.exportProperty(box2d.b2World.prototype,"ShiftOrigin",box2d.b2World.prototype.ShiftOrigin),box2d.b2World.prototype.Dump=function(){if(box2d.DEBUG&&!this.m_flag_locked){box2d.b2Log("/** @type {box2d.b2Vec2} */ var g = new box2d.b2Vec2(%.15f, %.15f);\n",this.m_gravity.x,this.m_gravity.y),box2d.b2Log("this.m_world.SetGravity(g);\n"),box2d.b2Log("/** @type {Array.<box2d.b2Body>} */ var bodies = new Array(%d);\n",this.m_bodyCount),box2d.b2Log("/** @type {Array.<box2d.b2Joint>} */ var joints = new Array(%d);\n",this.m_jointCount);for(var a=0,b=this.m_bodyList;b;b=b.m_next)b.m_islandIndex=a,b.Dump(),++a;for(a=0,b=this.m_jointList;b;b=b.m_next)b.m_index=a,++a;for(b=this.m_jointList;b;b=b.m_next)b.m_type!==box2d.b2JointType.e_gearJoint&&(box2d.b2Log("{\n"),b.Dump(),box2d.b2Log("}\n"));for(b=this.m_jointList;b;b=b.m_next)b.m_type===box2d.b2JointType.e_gearJoint&&(box2d.b2Log("{\n"),b.Dump(),box2d.b2Log("}\n"))}},goog.exportProperty(box2d.b2World.prototype,"Dump",box2d.b2World.prototype.Dump),box2d.b2World.prototype.AddController=function(a){return box2d.ENABLE_ASSERTS&&box2d.b2Assert(null===a.m_world,"Controller can only be a member of one world"),a.m_world=this,a.m_next=this.m_controllerList,a.m_prev=null,this.m_controllerList&&(this.m_controllerList.m_prev=a),this.m_controllerList=a,++this.m_controllerCount,a},goog.exportProperty(box2d.b2World.prototype,"AddController",box2d.b2World.prototype.AddController),box2d.b2World.prototype.RemoveController=function(a){box2d.ENABLE_ASSERTS&&box2d.b2Assert(a.m_world===this,"Controller is not a member of this world"),a.m_prev&&(a.m_prev.m_next=a.m_next),a.m_next&&(a.m_next.m_prev=a.m_prev),this.m_controllerList===a&&(this.m_controllerList=a.m_next),--this.m_controllerCount,a.m_prev=null,a.m_next=null,a.m_world=null},goog.exportProperty(box2d.b2World.prototype,"RemoveController",box2d.b2World.prototype.RemoveController),box2d.b2MotorJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_motorJoint),this.linearOffset=new box2d.b2Vec2(0,0)},goog.inherits(box2d.b2MotorJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2MotorJointDef",box2d.b2MotorJointDef),box2d.b2MotorJointDef.prototype.linearOffset=null,goog.exportProperty(box2d.b2MotorJointDef.prototype,"linearOffset",box2d.b2MotorJointDef.prototype.linearOffset),box2d.b2MotorJointDef.prototype.angularOffset=0,goog.exportProperty(box2d.b2MotorJointDef.prototype,"angularOffset",box2d.b2MotorJointDef.prototype.angularOffset),box2d.b2MotorJointDef.prototype.maxForce=1,goog.exportProperty(box2d.b2MotorJointDef.prototype,"maxForce",box2d.b2MotorJointDef.prototype.maxForce),box2d.b2MotorJointDef.prototype.maxTorque=1,goog.exportProperty(box2d.b2MotorJointDef.prototype,"maxTorque",box2d.b2MotorJointDef.prototype.maxTorque),box2d.b2MotorJointDef.prototype.correctionFactor=.3,goog.exportProperty(box2d.b2MotorJointDef.prototype,"correctionFactor",box2d.b2MotorJointDef.prototype.correctionFactor),box2d.b2MotorJointDef.prototype.Initialize=function(a,b){this.bodyA=a,this.bodyB=b,this.bodyA.GetLocalPoint(this.bodyB.GetPosition(),this.linearOffset);var c=this.bodyA.GetAngle();this.angularOffset=this.bodyB.GetAngle()-c},goog.exportProperty(box2d.b2MotorJointDef.prototype,"Initialize",box2d.b2MotorJointDef.prototype.Initialize),box2d.b2MotorJoint=function(a){box2d.b2Joint.call(this,a),this.m_linearOffset=a.linearOffset.Clone(),this.m_linearImpulse=new box2d.b2Vec2(0,0),this.m_maxForce=a.maxForce,this.m_maxTorque=a.maxTorque,this.m_correctionFactor=a.correctionFactor,this.m_rA=new box2d.b2Vec2(0,0),this.m_rB=new box2d.b2Vec2(0,0),this.m_localCenterA=new box2d.b2Vec2(0,0),this.m_localCenterB=new box2d.b2Vec2(0,0),this.m_linearError=new box2d.b2Vec2(0,0),this.m_linearMass=new box2d.b2Mat22,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_K=new box2d.b2Mat22},goog.inherits(box2d.b2MotorJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2MotorJoint",box2d.b2MotorJoint),box2d.b2MotorJoint.prototype.m_linearOffset=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_linearOffset",box2d.b2MotorJoint.prototype.m_linearOffset),box2d.b2MotorJoint.prototype.m_angularOffset=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_angularOffset",box2d.b2MotorJoint.prototype.m_angularOffset),box2d.b2MotorJoint.prototype.m_linearImpulse=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_linearImpulse",box2d.b2MotorJoint.prototype.m_linearImpulse),box2d.b2MotorJoint.prototype.m_angularImpulse=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_angularImpulse",box2d.b2MotorJoint.prototype.m_angularImpulse),box2d.b2MotorJoint.prototype.m_maxForce=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_maxForce",box2d.b2MotorJoint.prototype.m_maxForce),box2d.b2MotorJoint.prototype.m_maxTorque=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_maxTorque",box2d.b2MotorJoint.prototype.m_maxTorque),box2d.b2MotorJoint.prototype.m_correctionFactor=.3,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_correctionFactor",box2d.b2MotorJoint.prototype.m_correctionFactor),box2d.b2MotorJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_indexA",box2d.b2MotorJoint.prototype.m_indexA),box2d.b2MotorJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_indexB",box2d.b2MotorJoint.prototype.m_indexB),box2d.b2MotorJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_rA",box2d.b2MotorJoint.prototype.m_rA),box2d.b2MotorJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_rB",box2d.b2MotorJoint.prototype.m_rB),box2d.b2MotorJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_localCenterA",box2d.b2MotorJoint.prototype.m_localCenterA),box2d.b2MotorJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_localCenterB",box2d.b2MotorJoint.prototype.m_localCenterB),box2d.b2MotorJoint.prototype.m_linearError=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_linearError",box2d.b2MotorJoint.prototype.m_linearError),box2d.b2MotorJoint.prototype.m_angularError=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_angularError",box2d.b2MotorJoint.prototype.m_angularError),box2d.b2MotorJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_invMassA",box2d.b2MotorJoint.prototype.m_invMassA),box2d.b2MotorJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_invMassB",box2d.b2MotorJoint.prototype.m_invMassB),box2d.b2MotorJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_invIA",box2d.b2MotorJoint.prototype.m_invIA),box2d.b2MotorJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_invIB",box2d.b2MotorJoint.prototype.m_invIB),box2d.b2MotorJoint.prototype.m_linearMass=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_linearMass",box2d.b2MotorJoint.prototype.m_linearMass),box2d.b2MotorJoint.prototype.m_angularMass=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_angularMass",box2d.b2MotorJoint.prototype.m_angularMass),box2d.b2MotorJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_qA",box2d.b2MotorJoint.prototype.m_qA),box2d.b2MotorJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_qB",box2d.b2MotorJoint.prototype.m_qB),box2d.b2MotorJoint.prototype.m_K=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_K",box2d.b2MotorJoint.prototype.m_K),box2d.b2MotorJoint.prototype.GetAnchorA=function(a){return this.m_bodyA.GetPosition(a)},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetAnchorA",box2d.b2MotorJoint.prototype.GetAnchorA),box2d.b2MotorJoint.prototype.GetAnchorB=function(a){return this.m_bodyB.GetPosition(a)},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetAnchorB",box2d.b2MotorJoint.prototype.GetAnchorB),box2d.b2MotorJoint.prototype.GetReactionForce=function(a,b){return box2d.b2Mul_S_V2(a,this.m_linearImpulse,b)},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetReactionForce",box2d.b2MotorJoint.prototype.GetReactionForce),box2d.b2MotorJoint.prototype.GetReactionTorque=function(a){return a*this.m_angularImpulse},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetReactionTorque",box2d.b2MotorJoint.prototype.GetReactionTorque),box2d.b2MotorJoint.prototype.SetCorrectionFactor=function(a){box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(a)&&0<=a&&1>=a),this._correctionFactor=a},box2d.b2MotorJoint.prototype.GetCorrectionFactor=function(){return this.m_correctionFactor},box2d.b2MotorJoint.prototype.SetLinearOffset=function(a){a.x==this.m_linearOffset.x&&a.y==this.m_linearOffset.y||(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_linearOffset.Copy(a))},goog.exportProperty(box2d.b2MotorJoint.prototype,"SetLinearOffset",box2d.b2MotorJoint.prototype.SetLinearOffset),box2d.b2MotorJoint.prototype.GetLinearOffset=function(a){return a.Copy(this.m_linearOffset)},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetLinearOffset",box2d.b2MotorJoint.prototype.GetLinearOffset),box2d.b2MotorJoint.prototype.SetAngularOffset=function(a){a!==this.m_angularOffset&&(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_angularOffset=a)},goog.exportProperty(box2d.b2MotorJoint.prototype,"SetAngularOffset",box2d.b2MotorJoint.prototype.SetAngularOffset),box2d.b2MotorJoint.prototype.GetAngularOffset=function(){return this.m_angularOffset},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetAngularOffset",box2d.b2MotorJoint.prototype.GetAngularOffset),box2d.b2MotorJoint.prototype.SetMaxForce=function(a){box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(a)&&0<=a),this.m_maxForce=a},goog.exportProperty(box2d.b2MotorJoint.prototype,"SetMaxForce",box2d.b2MotorJoint.prototype.SetMaxForce),box2d.b2MotorJoint.prototype.GetMaxForce=function(){return this.m_maxForce},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetMaxForce",box2d.b2MotorJoint.prototype.GetMaxForce),box2d.b2MotorJoint.prototype.SetMaxTorque=function(a){box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(a)&&0<=a),this.m_maxTorque=a},goog.exportProperty(box2d.b2MotorJoint.prototype,"SetMaxTorque",box2d.b2MotorJoint.prototype.SetMaxTorque),box2d.b2MotorJoint.prototype.GetMaxTorque=function(){return this.m_maxTorque},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetMaxTorque",box2d.b2MotorJoint.prototype.GetMaxTorque),box2d.b2MotorJoint.prototype.InitVelocityConstraints=function(a){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var b=a.positions[this.m_indexA].c,c=a.positions[this.m_indexA].a,d=a.velocities[this.m_indexA].v,e=a.velocities[this.m_indexA].w,f=a.positions[this.m_indexB].c,g=a.positions[this.m_indexB].a,h=a.velocities[this.m_indexB].v,k=a.velocities[this.m_indexB].w,l=this.m_qA.SetAngle(c),m=this.m_qB.SetAngle(g),n=box2d.b2Mul_R_V2(l,box2d.b2Vec2.s_t0.Copy(this.m_localCenterA).SelfNeg(),this.m_rA),p=(m=box2d.b2Mul_R_V2(m,box2d.b2Vec2.s_t0.Copy(this.m_localCenterB).SelfNeg(),this.m_rB),this.m_invMassA),q=this.m_invMassB,r=this.m_invIA,u=this.m_invIB,t=this.m_K;t.ex.x=p+q+r*n.y*n.y+u*m.y*m.y,t.ex.y=-r*n.x*n.y-u*m.x*m.y,t.ey.x=t.ex.y,t.ey.y=p+q+r*n.x*n.x+u*m.x*m.x,t.GetInverse(this.m_linearMass),this.m_angularMass=r+u,0<this.m_angularMass&&(this.m_angularMass=1/this.m_angularMass),box2d.b2Sub_V2_V2(box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(f,m,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(b,n,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t2),box2d.b2Mul_R_V2(l,this.m_linearOffset,box2d.b2Vec2.s_t3),this.m_linearError),this.m_angularError=g-c-this.m_angularOffset,a.step.warmStarting?(this.m_linearImpulse.SelfMul(a.step.dtRatio),this.m_angularImpulse*=a.step.dtRatio,b=this.m_linearImpulse,d.SelfMulSub(p,b),e-=r*(box2d.b2Cross_V2_V2(n,b)+this.m_angularImpulse),h.SelfMulAdd(q,b),k+=u*(box2d.b2Cross_V2_V2(m,b)+this.m_angularImpulse)):(this.m_linearImpulse.SetZero(),this.m_angularImpulse=0),a.velocities[this.m_indexA].w=e,a.velocities[this.m_indexB].w=k},goog.exportProperty(box2d.b2MotorJoint.prototype,"InitVelocityConstraints",box2d.b2MotorJoint.prototype.InitVelocityConstraints),box2d.b2MotorJoint.prototype.SolveVelocityConstraints=function(a){var b=a.velocities[this.m_indexA].v,c=a.velocities[this.m_indexA].w,d=a.velocities[this.m_indexB].v,e=a.velocities[this.m_indexB].w,f=this.m_invMassA,g=this.m_invMassB,h=this.m_invIA,k=this.m_invIB,l=a.step.dt,m=a.step.inv_dt,n=e-c+m*this.m_correctionFactor*this.m_angularError,p=(n=-this.m_angularMass*n,this.m_angularImpulse),q=l*this.m_maxTorque;this.m_angularImpulse=box2d.b2Clamp(this.m_angularImpulse+n,-q,q);c-=h*(n=this.m_angularImpulse-p),e+=k*n;var r=this.m_rA,u=this.m_rB;n=box2d.b2Add_V2_V2(box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(d,box2d.b2Cross_S_V2(e,u,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(b,box2d.b2Cross_S_V2(c,r,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t2),box2d.b2Mul_S_V2(m*this.m_correctionFactor,this.m_linearError,box2d.b2Vec2.s_t3),box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_Cdot),n=box2d.b2Mul_M22_V2(this.m_linearMass,n,box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_impulse).SelfNeg(),p=box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_oldImpulse.Copy(this.m_linearImpulse);this.m_linearImpulse.SelfAdd(n),q=l*this.m_maxForce,this.m_linearImpulse.LengthSquared()>q*q&&(this.m_linearImpulse.Normalize(),this.m_linearImpulse.SelfMul(q)),box2d.b2Sub_V2_V2(this.m_linearImpulse,p,n),b.SelfMulSub(f,n),c-=h*box2d.b2Cross_V2_V2(r,n),d.SelfMulAdd(g,n),e+=k*box2d.b2Cross_V2_V2(u,n),a.velocities[this.m_indexA].w=c,a.velocities[this.m_indexB].w=e},goog.exportProperty(box2d.b2MotorJoint.prototype,"SolveVelocityConstraints",box2d.b2MotorJoint.prototype.SolveVelocityConstraints),box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_Cdot=new box2d.b2Vec2,box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_impulse=new box2d.b2Vec2,box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_oldImpulse=new box2d.b2Vec2,box2d.b2MotorJoint.prototype.SolvePositionConstraints=function(a){return!0},goog.exportProperty(box2d.b2MotorJoint.prototype,"SolvePositionConstraints",box2d.b2MotorJoint.prototype.SolvePositionConstraints),box2d.b2MotorJoint.prototype.Dump=function(){if(box2d.DEBUG){var a=this.m_bodyA.m_islandIndex,b=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2MotorJointDef*/ var jd = new box2d.b2MotorJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",a),box2d.b2Log("  jd.bodyB = bodies[%d];\n",b),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.linearOffset.Set(%.15f, %.15f);\n",this.m_linearOffset.x,this.m_linearOffset.y),box2d.b2Log("  jd.angularOffset = %.15f;\n",this.m_angularOffset),box2d.b2Log("  jd.maxForce = %.15f;\n",this.m_maxForce),box2d.b2Log("  jd.maxTorque = %.15f;\n",this.m_maxTorque),box2d.b2Log("  jd.correctionFactor = %.15f;\n",this.m_correctionFactor),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2MotorJoint.prototype,"Dump",box2d.b2MotorJoint.prototype.Dump),box2d.b2MouseJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_mouseJoint),this.target=new box2d.b2Vec2},goog.inherits(box2d.b2MouseJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2MouseJointDef",box2d.b2MouseJointDef),box2d.b2MouseJointDef.prototype.target=null,goog.exportProperty(box2d.b2MouseJointDef.prototype,"target",box2d.b2MouseJointDef.prototype.target),box2d.b2MouseJointDef.prototype.maxForce=0,goog.exportProperty(box2d.b2MouseJointDef.prototype,"maxForce",box2d.b2MouseJointDef.prototype.maxForce),box2d.b2MouseJointDef.prototype.frequencyHz=5,goog.exportProperty(box2d.b2MouseJointDef.prototype,"frequencyHz",box2d.b2MouseJointDef.prototype.frequencyHz),box2d.b2MouseJointDef.prototype.dampingRatio=.7,goog.exportProperty(box2d.b2MouseJointDef.prototype,"dampingRatio",box2d.b2MouseJointDef.prototype.dampingRatio),box2d.b2MouseJoint=function(a){box2d.b2Joint.call(this,a),this.m_localAnchorB=new box2d.b2Vec2,this.m_targetA=new box2d.b2Vec2,this.m_impulse=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_mass=new box2d.b2Mat22,this.m_C=new box2d.b2Vec2,this.m_qB=new box2d.b2Rot,this.m_lalcB=new box2d.b2Vec2,this.m_K=new box2d.b2Mat22,box2d.ENABLE_ASSERTS&&box2d.b2Assert(a.target.IsValid()),box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(a.maxForce)&&0<=a.maxForce),box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(a.frequencyHz)&&0<=a.frequencyHz),box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(a.dampingRatio)&&0<=a.dampingRatio),this.m_targetA.Copy(a.target),box2d.b2MulT_X_V2(this.m_bodyB.GetTransform(),this.m_targetA,this.m_localAnchorB),this.m_maxForce=a.maxForce,this.m_impulse.SetZero(),this.m_frequencyHz=a.frequencyHz,this.m_dampingRatio=a.dampingRatio,this.m_gamma=this.m_beta=0},goog.inherits(box2d.b2MouseJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2MouseJoint",box2d.b2MouseJoint),box2d.b2MouseJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_localAnchorB",box2d.b2MouseJoint.prototype.m_localAnchorB),box2d.b2MouseJoint.prototype.m_targetA=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_targetA",box2d.b2MouseJoint.prototype.m_targetA),box2d.b2MouseJoint.prototype.m_frequencyHz=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_frequencyHz",box2d.b2MouseJoint.prototype.m_frequencyHz),box2d.b2MouseJoint.prototype.m_dampingRatio=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_dampingRatio",box2d.b2MouseJoint.prototype.m_dampingRatio),box2d.b2MouseJoint.prototype.m_beta=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_beta",box2d.b2MouseJoint.prototype.m_beta);box2d.b2MouseJoint.prototype.m_impulse=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_impulse",box2d.b2MouseJoint.prototype.m_impulse),box2d.b2MouseJoint.prototype.m_maxForce=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_maxForce",box2d.b2MouseJoint.prototype.m_maxForce),box2d.b2MouseJoint.prototype.m_gamma=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_gamma",box2d.b2MouseJoint.prototype.m_gamma),box2d.b2MouseJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_indexA",box2d.b2MouseJoint.prototype.m_indexA),box2d.b2MouseJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_indexB",box2d.b2MouseJoint.prototype.m_indexB),box2d.b2MouseJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_rB",box2d.b2MouseJoint.prototype.m_rB),box2d.b2MouseJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_localCenterB",box2d.b2MouseJoint.prototype.m_localCenterB),box2d.b2MouseJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_invMassB",box2d.b2MouseJoint.prototype.m_invMassB),box2d.b2MouseJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_invIB",box2d.b2MouseJoint.prototype.m_invIB),box2d.b2MouseJoint.prototype.m_mass=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_mass",box2d.b2MouseJoint.prototype.m_mass),box2d.b2MouseJoint.prototype.m_C=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_C",box2d.b2MouseJoint.prototype.m_C),box2d.b2MouseJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_qB",box2d.b2MouseJoint.prototype.m_qB),box2d.b2MouseJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_lalcB",box2d.b2MouseJoint.prototype.m_lalcB),box2d.b2MouseJoint.prototype.m_K=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_K",box2d.b2MouseJoint.prototype.m_K),box2d.b2MouseJoint.prototype.SetTarget=function(a){this.m_bodyB.IsAwake()||this.m_bodyB.SetAwake(!0),this.m_targetA.Copy(a)},goog.exportProperty(box2d.b2MouseJoint.prototype,"SetTarget",box2d.b2MouseJoint.prototype.SetTarget),box2d.b2MouseJoint.prototype.GetTarget=function(a){return a.Copy(this.m_targetA)},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetTarget",box2d.b2MouseJoint.prototype.GetTarget),box2d.b2MouseJoint.prototype.SetMaxForce=function(a){this.m_maxForce=a},goog.exportProperty(box2d.b2MouseJoint.prototype,"SetMaxForce",box2d.b2MouseJoint.prototype.SetMaxForce),box2d.b2MouseJoint.prototype.GetMaxForce=function(){return this.m_maxForce},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetMaxForce",box2d.b2MouseJoint.prototype.GetMaxForce),box2d.b2MouseJoint.prototype.SetFrequency=function(a){this.m_frequencyHz=a},goog.exportProperty(box2d.b2MouseJoint.prototype,"SetFrequency",box2d.b2MouseJoint.prototype.SetFrequency),box2d.b2MouseJoint.prototype.GetFrequency=function(){return this.m_frequencyHz},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetFrequency",box2d.b2MouseJoint.prototype.GetFrequency),box2d.b2MouseJoint.prototype.SetDampingRatio=function(a){this.m_dampingRatio=a},goog.exportProperty(box2d.b2MouseJoint.prototype,"SetDampingRatio",box2d.b2MouseJoint.prototype.SetDampingRatio),box2d.b2MouseJoint.prototype.GetDampingRatio=function(){return this.m_dampingRatio},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetDampingRatio",box2d.b2MouseJoint.prototype.GetDampingRatio),box2d.b2MouseJoint.prototype.InitVelocityConstraints=function(a){this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIB=this.m_bodyB.m_invI;var b=a.positions[this.m_indexB].c,c=a.velocities[this.m_indexB].v,d=a.velocities[this.m_indexB].w,e=this.m_qB.SetAngle(a.positions[this.m_indexB].a),f=this.m_bodyB.GetMass(),g=2*box2d.b2_pi*this.m_frequencyHz,h=2*f*this.m_dampingRatio*g;f=f*g*g,g=a.step.dt;box2d.ENABLE_ASSERTS&&box2d.b2Assert(h+g*f>box2d.b2_epsilon),this.m_gamma=g*(h+g*f),0!==this.m_gamma&&(this.m_gamma=1/this.m_gamma),this.m_beta=g*f*this.m_gamma,box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(e,this.m_lalcB,this.m_rB),(e=this.m_K).ex.x=this.m_invMassB+this.m_invIB*this.m_rB.y*this.m_rB.y+this.m_gamma,e.ex.y=-this.m_invIB*this.m_rB.x*this.m_rB.y,e.ey.x=e.ex.y,e.ey.y=this.m_invMassB+this.m_invIB*this.m_rB.x*this.m_rB.x+this.m_gamma,e.GetInverse(this.m_mass),this.m_C.x=b.x+this.m_rB.x-this.m_targetA.x,this.m_C.y=b.y+this.m_rB.y-this.m_targetA.y,this.m_C.SelfMul(this.m_beta),d*=.98,a.step.warmStarting?(this.m_impulse.SelfMul(a.step.dtRatio),c.x+=this.m_invMassB*this.m_impulse.x,c.y+=this.m_invMassB*this.m_impulse.y,d+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,this.m_impulse)):this.m_impulse.SetZero(),a.velocities[this.m_indexB].w=d},goog.exportProperty(box2d.b2MouseJoint.prototype,"InitVelocityConstraints",box2d.b2MouseJoint.prototype.InitVelocityConstraints),box2d.b2MouseJoint.prototype.SolveVelocityConstraints=function(a){var b=a.velocities[this.m_indexB].v,c=a.velocities[this.m_indexB].w,d=box2d.b2AddCross_V2_S_V2(b,c,this.m_rB,box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_Cdot),e=(d=box2d.b2Mul_M22_V2(this.m_mass,box2d.b2Add_V2_V2(d,box2d.b2Add_V2_V2(this.m_C,box2d.b2Mul_S_V2(this.m_gamma,this.m_impulse,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0).SelfNeg(),box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_impulse),box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_oldImpulse.Copy(this.m_impulse));this.m_impulse.SelfAdd(d);var f=a.step.dt*this.m_maxForce;this.m_impulse.LengthSquared()>f*f&&this.m_impulse.SelfMul(f/this.m_impulse.Length()),box2d.b2Sub_V2_V2(this.m_impulse,e,d),b.SelfMulAdd(this.m_invMassB,d),c+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,d),a.velocities[this.m_indexB].w=c},goog.exportProperty(box2d.b2MouseJoint.prototype,"SolveVelocityConstraints",box2d.b2MouseJoint.prototype.SolveVelocityConstraints),box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_Cdot=new box2d.b2Vec2,box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_impulse=new box2d.b2Vec2,box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_oldImpulse=new box2d.b2Vec2,box2d.b2MouseJoint.prototype.SolvePositionConstraints=function(a){return!0},goog.exportProperty(box2d.b2MouseJoint.prototype,"SolvePositionConstraints",box2d.b2MouseJoint.prototype.SolvePositionConstraints),box2d.b2MouseJoint.prototype.GetAnchorA=function(a){return a.Copy(this.m_targetA)},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetAnchorA",box2d.b2MouseJoint.prototype.GetAnchorA),box2d.b2MouseJoint.prototype.GetAnchorB=function(a){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,a)},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetAnchorB",box2d.b2MouseJoint.prototype.GetAnchorB),box2d.b2MouseJoint.prototype.GetReactionForce=function(a,b){return box2d.b2Mul_S_V2(a,this.m_impulse,b)},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetReactionForce",box2d.b2MouseJoint.prototype.GetReactionForce),box2d.b2MouseJoint.prototype.GetReactionTorque=function(a){return 0},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetReactionTorque",box2d.b2MouseJoint.prototype.GetReactionTorque),box2d.b2MouseJoint.prototype.Dump=function(){box2d.DEBUG&&box2d.b2Log("Mouse joint dumping is not supported.\n")},goog.exportProperty(box2d.b2MouseJoint.prototype,"Dump",box2d.b2MouseJoint.prototype.Dump),box2d.b2MouseJoint.prototype.ShiftOrigin=function(a){this.m_targetA.SelfSub(a)},goog.exportProperty(box2d.b2MouseJoint.prototype,"ShiftOrigin",box2d.b2MouseJoint.prototype.ShiftOrigin),box2d.b2PrismaticJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_prismaticJoint),this.localAnchorA=new box2d.b2Vec2,this.localAnchorB=new box2d.b2Vec2,this.localAxisA=new box2d.b2Vec2(1,0)},goog.inherits(box2d.b2PrismaticJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2PrismaticJointDef",box2d.b2PrismaticJointDef),box2d.b2PrismaticJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"localAnchorA",box2d.b2PrismaticJointDef.prototype.localAnchorA),box2d.b2PrismaticJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"localAnchorB",box2d.b2PrismaticJointDef.prototype.localAnchorB),box2d.b2PrismaticJointDef.prototype.localAxisA=null,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"localAxisA",box2d.b2PrismaticJointDef.prototype.localAxisA),box2d.b2PrismaticJointDef.prototype.referenceAngle=0,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"referenceAngle",box2d.b2PrismaticJointDef.prototype.referenceAngle),box2d.b2PrismaticJointDef.prototype.enableLimit=!1,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"enableLimit",box2d.b2PrismaticJointDef.prototype.enableLimit),box2d.b2PrismaticJointDef.prototype.lowerTranslation=0,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"lowerTranslation",box2d.b2PrismaticJointDef.prototype.lowerTranslation),box2d.b2PrismaticJointDef.prototype.upperTranslation=0,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"upperTranslation",box2d.b2PrismaticJointDef.prototype.upperTranslation),box2d.b2PrismaticJointDef.prototype.enableMotor=!1,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"enableMotor",box2d.b2PrismaticJointDef.prototype.enableMotor),box2d.b2PrismaticJointDef.prototype.maxMotorForce=0,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"maxMotorForce",box2d.b2PrismaticJointDef.prototype.maxMotorForce),box2d.b2PrismaticJointDef.prototype.motorSpeed=0,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"motorSpeed",box2d.b2PrismaticJointDef.prototype.motorSpeed),box2d.b2PrismaticJointDef.prototype.Initialize=function(a,b,c,d){this.bodyA=a,this.bodyB=b,this.bodyA.GetLocalPoint(c,this.localAnchorA),this.bodyB.GetLocalPoint(c,this.localAnchorB),this.bodyA.GetLocalVector(d,this.localAxisA),this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()},goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"Initialize",box2d.b2PrismaticJointDef.prototype.Initialize),box2d.b2PrismaticJoint=function(a){box2d.b2Joint.call(this,a),this.m_localAnchorA=a.localAnchorA.Clone(),this.m_localAnchorB=a.localAnchorB.Clone(),this.m_localXAxisA=a.localAxisA.Clone().SelfNormalize(),this.m_localYAxisA=box2d.b2Cross_S_V2(1,this.m_localXAxisA,new box2d.b2Vec2),this.m_referenceAngle=a.referenceAngle,this.m_impulse=new box2d.b2Vec3(0,0,0),this.m_lowerTranslation=a.lowerTranslation,this.m_upperTranslation=a.upperTranslation,this.m_maxMotorForce=a.maxMotorForce,this.m_motorSpeed=a.motorSpeed,this.m_enableLimit=a.enableLimit,this.m_enableMotor=a.enableMotor,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_axis=new box2d.b2Vec2(0,0),this.m_perp=new box2d.b2Vec2(0,0),this.m_K=new box2d.b2Mat33,this.m_K3=new box2d.b2Mat33,this.m_K2=new box2d.b2Mat22,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2},goog.inherits(box2d.b2PrismaticJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2PrismaticJoint",box2d.b2PrismaticJoint),box2d.b2PrismaticJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localAnchorA",box2d.b2PrismaticJoint.prototype.m_localAnchorA),box2d.b2PrismaticJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localAnchorB",box2d.b2PrismaticJoint.prototype.m_localAnchorB),box2d.b2PrismaticJoint.prototype.m_localXAxisA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localXAxisA",box2d.b2PrismaticJoint.prototype.m_localXAxisA),box2d.b2PrismaticJoint.prototype.m_localYAxisA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localYAxisA",box2d.b2PrismaticJoint.prototype.m_localYAxisA),box2d.b2PrismaticJoint.prototype.m_referenceAngle=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_referenceAngle",box2d.b2PrismaticJoint.prototype.m_referenceAngle),box2d.b2PrismaticJoint.prototype.m_impulse=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_impulse",box2d.b2PrismaticJoint.prototype.m_impulse),box2d.b2PrismaticJoint.prototype.m_motorImpulse=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_motorImpulse",box2d.b2PrismaticJoint.prototype.m_motorImpulse),box2d.b2PrismaticJoint.prototype.m_lowerTranslation=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_lowerTranslation",box2d.b2PrismaticJoint.prototype.m_lowerTranslation),box2d.b2PrismaticJoint.prototype.m_upperTranslation=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_upperTranslation",box2d.b2PrismaticJoint.prototype.m_upperTranslation),box2d.b2PrismaticJoint.prototype.m_maxMotorForce=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_maxMotorForce",box2d.b2PrismaticJoint.prototype.m_maxMotorForce),box2d.b2PrismaticJoint.prototype.m_motorSpeed=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_motorSpeed",box2d.b2PrismaticJoint.prototype.m_motorSpeed),box2d.b2PrismaticJoint.prototype.m_enableLimit=!1,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_enableLimit",box2d.b2PrismaticJoint.prototype.m_enableLimit),box2d.b2PrismaticJoint.prototype.m_enableMotor=!1,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_enableMotor",box2d.b2PrismaticJoint.prototype.m_enableMotor),box2d.b2PrismaticJoint.prototype.m_limitState=box2d.b2LimitState.e_inactiveLimit,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_limitState",box2d.b2PrismaticJoint.prototype.m_limitState),box2d.b2PrismaticJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_indexA",box2d.b2PrismaticJoint.prototype.m_indexA),box2d.b2PrismaticJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_indexB",box2d.b2PrismaticJoint.prototype.m_indexB),box2d.b2PrismaticJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localCenterA",box2d.b2PrismaticJoint.prototype.m_localCenterA),box2d.b2PrismaticJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localCenterB",box2d.b2PrismaticJoint.prototype.m_localCenterB),box2d.b2PrismaticJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_invMassA",box2d.b2PrismaticJoint.prototype.m_invMassA),box2d.b2PrismaticJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_invMassB",box2d.b2PrismaticJoint.prototype.m_invMassB),box2d.b2PrismaticJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_invIA",box2d.b2PrismaticJoint.prototype.m_invIA),box2d.b2PrismaticJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_invIB",box2d.b2PrismaticJoint.prototype.m_invIB),box2d.b2PrismaticJoint.prototype.m_axis=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_axis",box2d.b2PrismaticJoint.prototype.m_axis),box2d.b2PrismaticJoint.prototype.m_perp=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_perp",box2d.b2PrismaticJoint.prototype.m_perp),box2d.b2PrismaticJoint.prototype.m_s1=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_s1",box2d.b2PrismaticJoint.prototype.m_s1),box2d.b2PrismaticJoint.prototype.m_s2=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_s2",box2d.b2PrismaticJoint.prototype.m_s2),box2d.b2PrismaticJoint.prototype.m_a1=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_a1",box2d.b2PrismaticJoint.prototype.m_a1),box2d.b2PrismaticJoint.prototype.m_a2=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_a2",box2d.b2PrismaticJoint.prototype.m_a2),box2d.b2PrismaticJoint.prototype.m_K=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_K",box2d.b2PrismaticJoint.prototype.m_K),box2d.b2PrismaticJoint.prototype.m_K3=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_K3",box2d.b2PrismaticJoint.prototype.m_K3),box2d.b2PrismaticJoint.prototype.m_K2=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_K2",box2d.b2PrismaticJoint.prototype.m_K2),box2d.b2PrismaticJoint.prototype.m_motorMass=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_motorMass",box2d.b2PrismaticJoint.prototype.m_motorMass),box2d.b2PrismaticJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_qA",box2d.b2PrismaticJoint.prototype.m_qA),box2d.b2PrismaticJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_qB",box2d.b2PrismaticJoint.prototype.m_qB),box2d.b2PrismaticJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_lalcA",box2d.b2PrismaticJoint.prototype.m_lalcA),box2d.b2PrismaticJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_lalcB",box2d.b2PrismaticJoint.prototype.m_lalcB),box2d.b2PrismaticJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_rA",box2d.b2PrismaticJoint.prototype.m_rA),box2d.b2PrismaticJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_rB",box2d.b2PrismaticJoint.prototype.m_rB),box2d.b2PrismaticJoint.prototype.InitVelocityConstraints=function(a){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var b=a.positions[this.m_indexA].c,c=a.velocities[this.m_indexA].v,d=a.velocities[this.m_indexA].w,e=a.positions[this.m_indexB].c,f=a.positions[this.m_indexB].a,g=a.velocities[this.m_indexB].v,h=a.velocities[this.m_indexB].w,k=this.m_qA.SetAngle(a.positions[this.m_indexA].a);f=this.m_qB.SetAngle(f);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA);var l=box2d.b2Mul_R_V2(k,this.m_lalcA,this.m_rA);box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);var m=box2d.b2Mul_R_V2(f,this.m_lalcB,this.m_rB),n=box2d.b2Add_V2_V2(box2d.b2Sub_V2_V2(e,b,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(m,l,box2d.b2Vec2.s_t1),box2d.b2PrismaticJoint.prototype.InitVelocityConstraints.s_d),p=(b=this.m_invMassA,e=this.m_invMassB,f=this.m_invIA,this.m_invIB);box2d.b2Mul_R_V2(k,this.m_localXAxisA,this.m_axis),this.m_a1=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(n,l,box2d.b2Vec2.s_t0),this.m_axis),this.m_a2=box2d.b2Cross_V2_V2(m,this.m_axis),this.m_motorMass=b+e+f*this.m_a1*this.m_a1+p*this.m_a2*this.m_a2,0<this.m_motorMass&&(this.m_motorMass=1/this.m_motorMass),box2d.b2Mul_R_V2(k,this.m_localYAxisA,this.m_perp),this.m_s1=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(n,l,box2d.b2Vec2.s_t0),this.m_perp),this.m_s2=box2d.b2Cross_V2_V2(m,this.m_perp),this.m_K.ex.x=b+e+f*this.m_s1*this.m_s1+p*this.m_s2*this.m_s2,this.m_K.ex.y=f*this.m_s1+p*this.m_s2,this.m_K.ex.z=f*this.m_s1*this.m_a1+p*this.m_s2*this.m_a2,this.m_K.ey.x=this.m_K.ex.y,this.m_K.ey.y=f+p,0===this.m_K.ey.y&&(this.m_K.ey.y=1),this.m_K.ey.z=f*this.m_a1+p*this.m_a2,this.m_K.ez.x=this.m_K.ex.z,this.m_K.ez.y=this.m_K.ey.z,this.m_K.ez.z=b+e+f*this.m_a1*this.m_a1+p*this.m_a2*this.m_a2,this.m_enableLimit?(k=box2d.b2Dot_V2_V2(this.m_axis,n),box2d.b2Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*box2d.b2_linearSlop?this.m_limitState=box2d.b2LimitState.e_equalLimits:k<=this.m_lowerTranslation?this.m_limitState!==box2d.b2LimitState.e_atLowerLimit&&(this.m_limitState=box2d.b2LimitState.e_atLowerLimit,this.m_impulse.z=0):k>=this.m_upperTranslation?this.m_limitState!==box2d.b2LimitState.e_atUpperLimit&&(this.m_limitState=box2d.b2LimitState.e_atUpperLimit,this.m_impulse.z=0):(this.m_limitState=box2d.b2LimitState.e_inactiveLimit,this.m_impulse.z=0)):(this.m_limitState=box2d.b2LimitState.e_inactiveLimit,this.m_impulse.z=0),this.m_enableMotor||(this.m_motorImpulse=0),a.step.warmStarting?(this.m_impulse.SelfMulScalar(a.step.dtRatio),this.m_motorImpulse*=a.step.dtRatio,k=box2d.b2Add_V2_V2(box2d.b2Mul_S_V2(this.m_impulse.x,this.m_perp,box2d.b2Vec2.s_t0),box2d.b2Mul_S_V2(this.m_motorImpulse+this.m_impulse.z,this.m_axis,box2d.b2Vec2.s_t1),box2d.b2PrismaticJoint.prototype.InitVelocityConstraints.s_P),l=this.m_impulse.x*this.m_s1+this.m_impulse.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_a1,m=this.m_impulse.x*this.m_s2+this.m_impulse.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_a2,c.SelfMulSub(b,k),d-=f*l,g.SelfMulAdd(e,k),h+=p*m):(this.m_impulse.SetZero(),this.m_motorImpulse=0),a.velocities[this.m_indexA].w=d,a.velocities[this.m_indexB].w=h},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"InitVelocityConstraints",box2d.b2PrismaticJoint.prototype.InitVelocityConstraints),box2d.b2PrismaticJoint.prototype.InitVelocityConstraints.s_d=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints=function(a){var b=a.velocities[this.m_indexA].v,c=a.velocities[this.m_indexA].w,d=a.velocities[this.m_indexB].v,e=a.velocities[this.m_indexB].w,f=this.m_invMassA,g=this.m_invMassB,h=this.m_invIA,k=this.m_invIB;if(this.m_enableMotor&&this.m_limitState!==box2d.b2LimitState.e_equalLimits){var l=box2d.b2Dot_V2_V2(this.m_axis,box2d.b2Sub_V2_V2(d,b,box2d.b2Vec2.s_t0))+this.m_a2*e-this.m_a1*c,m=(l=this.m_motorMass*(this.m_motorSpeed-l),this.m_motorImpulse),n=a.step.dt*this.m_maxMotorForce;this.m_motorImpulse=box2d.b2Clamp(this.m_motorImpulse+l,-n,n),l=this.m_motorImpulse-m,m=box2d.b2Mul_S_V2(l,this.m_axis,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_P),n=l*this.m_a1,l*=this.m_a2,b.SelfMulSub(f,m),c-=h*n,d.SelfMulAdd(g,m),e+=k*l}n=box2d.b2Dot_V2_V2(this.m_perp,box2d.b2Sub_V2_V2(d,b,box2d.b2Vec2.s_t0))+this.m_s2*e-this.m_s1*c;var p=e-c;this.m_enableLimit&&this.m_limitState!==box2d.b2LimitState.e_inactiveLimit?(l=box2d.b2Dot_V2_V2(this.m_axis,box2d.b2Sub_V2_V2(d,b,box2d.b2Vec2.s_t0))+this.m_a2*e-this.m_a1*c,m=box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_f1.Copy(this.m_impulse),l=this.m_K.Solve33(-n,-p,-l,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_df3),this.m_impulse.SelfAdd(l),this.m_limitState===box2d.b2LimitState.e_atLowerLimit?this.m_impulse.z=box2d.b2Max(this.m_impulse.z,0):this.m_limitState===box2d.b2LimitState.e_atUpperLimit&&(this.m_impulse.z=box2d.b2Min(this.m_impulse.z,0)),(n=this.m_K.Solve22(-n-(this.m_impulse.z-m.z)*this.m_K.ez.x,-p-(this.m_impulse.z-m.z)*this.m_K.ez.y,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_f2r)).x+=m.x,n.y+=m.y,this.m_impulse.x=n.x,this.m_impulse.y=n.y,l.x=this.m_impulse.x-m.x,l.y=this.m_impulse.y-m.y,l.z=this.m_impulse.z-m.z,m=box2d.b2Add_V2_V2(box2d.b2Mul_S_V2(l.x,this.m_perp,box2d.b2Vec2.s_t0),box2d.b2Mul_S_V2(l.z,this.m_axis,box2d.b2Vec2.s_t1),box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_P),n=l.x*this.m_s1+l.y+l.z*this.m_a1,l=l.x*this.m_s2+l.y+l.z*this.m_a2):(l=this.m_K.Solve22(-n,-p,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_df2),this.m_impulse.x+=l.x,this.m_impulse.y+=l.y,m=box2d.b2Mul_S_V2(l.x,this.m_perp,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_P),n=l.x*this.m_s1+l.y,l=l.x*this.m_s2+l.y),b.SelfMulSub(f,m),c-=h*n,d.SelfMulAdd(g,m),a.velocities[this.m_indexA].w=c,a.velocities[this.m_indexB].w=e+k*l},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"SolveVelocityConstraints",box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints),box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_f2r=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_f1=new box2d.b2Vec3,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_df3=new box2d.b2Vec3,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_df2=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolvePositionConstraints=function(a){var b=a.positions[this.m_indexA].c,c=a.positions[this.m_indexA].a,d=a.positions[this.m_indexB].c,e=a.positions[this.m_indexB].a,f=this.m_qA.SetAngle(c),g=this.m_qB.SetAngle(e),h=this.m_invMassA,k=this.m_invMassB,l=this.m_invIA,m=this.m_invIB,n=box2d.b2Mul_R_V2(f,this.m_lalcA,this.m_rA),p=box2d.b2Mul_R_V2(g,this.m_lalcB,this.m_rB),q=box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(d,p,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(b,n,box2d.b2Vec2.s_t1),box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_d),r=box2d.b2Mul_R_V2(f,this.m_localXAxisA,this.m_axis),u=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(q,n,box2d.b2Vec2.s_t0),r),t=(g=box2d.b2Cross_V2_V2(p,r),f=box2d.b2Mul_R_V2(f,this.m_localYAxisA,this.m_perp),box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(q,n,box2d.b2Vec2.s_t0),f)),w=box2d.b2Cross_V2_V2(p,f),x=box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_impulse,v=box2d.b2Dot_V2_V2(f,q),y=e-c-this.m_referenceAngle,z=(n=box2d.b2Abs(v),p=box2d.b2Abs(y),!1),B=0;if(this.m_enableLimit&&(q=box2d.b2Dot_V2_V2(r,q),box2d.b2Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*box2d.b2_linearSlop?(B=box2d.b2Clamp(q,-box2d.b2_maxLinearCorrection,box2d.b2_maxLinearCorrection),n=box2d.b2Max(n,box2d.b2Abs(q)),z=!0):q<=this.m_lowerTranslation?(B=box2d.b2Clamp(q-this.m_lowerTranslation+box2d.b2_linearSlop,-box2d.b2_maxLinearCorrection,0),n=box2d.b2Max(n,this.m_lowerTranslation-q),z=!0):q>=this.m_upperTranslation&&(B=box2d.b2Clamp(q-this.m_upperTranslation-box2d.b2_linearSlop,0,box2d.b2_maxLinearCorrection),n=box2d.b2Max(n,q-this.m_upperTranslation),z=!0)),z){q=l*t+m*w;var E=l*t*u+m*w*g;0===(z=l+m)&&(z=1);var F=l*u+m*g,G=h+k+l*u*u+m*g*g,H=this.m_K3;H.ex.Set(h+k+l*t*t+m*w*w,q,E),H.ey.Set(q,z,F),H.ez.Set(E,F,G),x=H.Solve33(-v,-y,-B,x)}else q=l*t+m*w,0===(z=l+m)&&(z=1),(B=this.m_K2).ex.Set(h+k+l*t*t+m*w*w,q),B.ey.Set(q,z),v=B.Solve(-v,-y,box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_impulse1),x.x=v.x,x.y=v.y,x.z=0;return r=box2d.b2Add_V2_V2(box2d.b2Mul_S_V2(x.x,f,box2d.b2Vec2.s_t0),box2d.b2Mul_S_V2(x.z,r,box2d.b2Vec2.s_t1),box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_P),u=x.x*t+x.y+x.z*u,g=x.x*w+x.y+x.z*g,b.SelfMulSub(h,r),c-=l*u,d.SelfMulAdd(k,r),a.positions[this.m_indexA].a=c,a.positions[this.m_indexB].a=e+m*g,n<=box2d.b2_linearSlop&&p<=box2d.b2_angularSlop},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"SolvePositionConstraints",box2d.b2PrismaticJoint.prototype.SolvePositionConstraints),box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_d=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_impulse=new box2d.b2Vec3,box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_impulse1=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.GetAnchorA=function(a){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,a)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetAnchorA",box2d.b2PrismaticJoint.prototype.GetAnchorA),box2d.b2PrismaticJoint.prototype.GetAnchorB=function(a){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,a)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetAnchorB",box2d.b2PrismaticJoint.prototype.GetAnchorB),box2d.b2PrismaticJoint.prototype.GetReactionForce=function(a,b){return b.Set(a*(this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.x),a*(this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.y))},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetReactionForce",box2d.b2PrismaticJoint.prototype.GetReactionForce),box2d.b2PrismaticJoint.prototype.GetReactionTorque=function(a){return a*this.m_impulse.y},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetReactionTorque",box2d.b2PrismaticJoint.prototype.GetReactionTorque),box2d.b2PrismaticJoint.prototype.GetLocalAnchorA=function(a){return a.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetLocalAnchorA",box2d.b2PrismaticJoint.prototype.GetLocalAnchorA),box2d.b2PrismaticJoint.prototype.GetLocalAnchorB=function(a){return a.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetLocalAnchorB",box2d.b2PrismaticJoint.prototype.GetLocalAnchorB),box2d.b2PrismaticJoint.prototype.GetLocalAxisA=function(a){return a.Copy(this.m_localXAxisA)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetLocalAxisA",box2d.b2PrismaticJoint.prototype.GetLocalAxisA),box2d.b2PrismaticJoint.prototype.GetReferenceAngle=function(){return this.m_referenceAngle},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetReferenceAngle",box2d.b2PrismaticJoint.prototype.GetReferenceAngle),box2d.b2PrismaticJoint.prototype.GetJointTranslation=function(){var a=this.m_bodyA.GetWorldPoint(this.m_localAnchorA,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_pA),b=this.m_bodyB.GetWorldPoint(this.m_localAnchorB,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_pB);a=box2d.b2Sub_V2_V2(b,a,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_d),b=this.m_bodyA.GetWorldVector(this.m_localXAxisA,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_axis);return box2d.b2Dot_V2_V2(a,b)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetJointTranslation",box2d.b2PrismaticJoint.prototype.GetJointTranslation),box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_pA=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_pB=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_d=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_axis=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.GetJointSpeed=function(){var a=this.m_bodyA,b=this.m_bodyB;box2d.b2Sub_V2_V2(this.m_localAnchorA,a.m_sweep.localCenter,this.m_lalcA);var c=box2d.b2Mul_R_V2(a.m_xf.q,this.m_lalcA,this.m_rA);box2d.b2Sub_V2_V2(this.m_localAnchorB,b.m_sweep.localCenter,this.m_lalcB);var d=box2d.b2Mul_R_V2(b.m_xf.q,this.m_lalcB,this.m_rB),e=box2d.b2Add_V2_V2(a.m_sweep.c,c,box2d.b2Vec2.s_t0),f=box2d.b2Add_V2_V2(b.m_sweep.c,d,box2d.b2Vec2.s_t1),g=(e=box2d.b2Sub_V2_V2(f,e,box2d.b2Vec2.s_t2),f=a.GetWorldVector(this.m_localXAxisA,this.m_axis),a.m_linearVelocity),h=b.m_linearVelocity;a=a.m_angularVelocity,b=b.m_angularVelocity;return box2d.b2Dot_V2_V2(e,box2d.b2Cross_S_V2(a,f,box2d.b2Vec2.s_t0))+box2d.b2Dot_V2_V2(f,box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(h,b,d,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(g,a,c,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0))},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetJointSpeed",box2d.b2PrismaticJoint.prototype.GetJointSpeed),box2d.b2PrismaticJoint.prototype.IsLimitEnabled=function(){return this.m_enableLimit},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"IsLimitEnabled",box2d.b2PrismaticJoint.prototype.IsLimitEnabled),box2d.b2PrismaticJoint.prototype.EnableLimit=function(a){a!==this.m_enableLimit&&(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_enableLimit=a,this.m_impulse.z=0)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"EnableLimit",box2d.b2PrismaticJoint.prototype.EnableLimit),box2d.b2PrismaticJoint.prototype.GetLowerLimit=function(){return this.m_lowerTranslation},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetLowerLimit",box2d.b2PrismaticJoint.prototype.GetLowerLimit),box2d.b2PrismaticJoint.prototype.GetUpperLimit=function(){return this.m_upperTranslation},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetUpperLimit",box2d.b2PrismaticJoint.prototype.GetUpperLimit),box2d.b2PrismaticJoint.prototype.SetLimits=function(a,b){a===this.m_lowerTranslation&&b===this.m_upperTranslation||(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_lowerTranslation=a,this.m_upperTranslation=b,this.m_impulse.z=0)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"SetLimits",box2d.b2PrismaticJoint.prototype.SetLimits),box2d.b2PrismaticJoint.prototype.IsMotorEnabled=function(){return this.m_enableMotor},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"IsMotorEnabled",box2d.b2PrismaticJoint.prototype.IsMotorEnabled),box2d.b2PrismaticJoint.prototype.EnableMotor=function(a){this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_enableMotor=a},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"EnableMotor",box2d.b2PrismaticJoint.prototype.EnableMotor),box2d.b2PrismaticJoint.prototype.SetMotorSpeed=function(a){this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_motorSpeed=a},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"SetMotorSpeed",box2d.b2PrismaticJoint.prototype.SetMotorSpeed),box2d.b2PrismaticJoint.prototype.GetMotorSpeed=function(){return this.m_motorSpeed},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetMotorSpeed",box2d.b2PrismaticJoint.prototype.GetMotorSpeed),box2d.b2PrismaticJoint.prototype.SetMaxMotorForce=function(a){this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_maxMotorForce=a},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"SetMaxMotorForce",box2d.b2PrismaticJoint.prototype.SetMaxMotorForce),box2d.b2PrismaticJoint.prototype.GetMaxMotorForce=function(){return this.m_maxMotorForce},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetMaxMotorForce",box2d.b2PrismaticJoint.prototype.GetMaxMotorForce),box2d.b2PrismaticJoint.prototype.GetMotorForce=function(a){return a*this.m_motorImpulse},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetMotorForce",box2d.b2PrismaticJoint.prototype.GetMotorForce),box2d.b2PrismaticJoint.prototype.Dump=function(){if(box2d.DEBUG){var a=this.m_bodyA.m_islandIndex,b=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2PrismaticJointDef*/ var jd = new box2d.b2PrismaticJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",a),box2d.b2Log("  jd.bodyB = bodies[%d];\n",b),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.localAxisA.Set(%.15f, %.15f);\n",this.m_localXAxisA.x,this.m_localXAxisA.y),box2d.b2Log("  jd.referenceAngle = %.15f;\n",this.m_referenceAngle),box2d.b2Log("  jd.enableLimit = %s;\n",this.m_enableLimit?"true":"false"),box2d.b2Log("  jd.lowerTranslation = %.15f;\n",this.m_lowerTranslation),box2d.b2Log("  jd.upperTranslation = %.15f;\n",this.m_upperTranslation),box2d.b2Log("  jd.enableMotor = %s;\n",this.m_enableMotor?"true":"false"),box2d.b2Log("  jd.motorSpeed = %.15f;\n",this.m_motorSpeed),box2d.b2Log("  jd.maxMotorForce = %.15f;\n",this.m_maxMotorForce),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"Dump",box2d.b2PrismaticJoint.prototype.Dump),box2d.b2_minPulleyLength=2,goog.exportSymbol("box2d.b2_minPulleyLength",box2d.b2_minPulleyLength),box2d.b2PulleyJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_pulleyJoint),this.collideConnected=!0,this.groundAnchorA=new box2d.b2Vec2(-1,1),this.groundAnchorB=new box2d.b2Vec2(1,1),this.localAnchorA=new box2d.b2Vec2(-1,0),this.localAnchorB=new box2d.b2Vec2(1,0)},goog.inherits(box2d.b2PulleyJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2PulleyJointDef",box2d.b2PulleyJointDef),box2d.b2PulleyJointDef.prototype.groundAnchorA=null,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"groundAnchorA",box2d.b2PulleyJointDef.prototype.groundAnchorA),box2d.b2PulleyJointDef.prototype.groundAnchorB=null,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"groundAnchorB",box2d.b2PulleyJointDef.prototype.groundAnchorB),box2d.b2PulleyJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"localAnchorA",box2d.b2PulleyJointDef.prototype.localAnchorA),box2d.b2PulleyJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"localAnchorB",box2d.b2PulleyJointDef.prototype.localAnchorB),box2d.b2PulleyJointDef.prototype.lengthA=0,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"lengthA",box2d.b2PulleyJointDef.prototype.lengthA),box2d.b2PulleyJointDef.prototype.lengthB=0,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"lengthB",box2d.b2PulleyJointDef.prototype.lengthB),box2d.b2PulleyJointDef.prototype.ratio=1,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"ratio",box2d.b2PulleyJointDef.prototype.ratio),box2d.b2PulleyJointDef.prototype.Initialize=function(a,b,c,d,e,f,g){this.bodyA=a,this.bodyB=b,this.groundAnchorA.Copy(c),this.groundAnchorB.Copy(d),this.bodyA.GetLocalPoint(e,this.localAnchorA),this.bodyB.GetLocalPoint(f,this.localAnchorB),this.lengthA=box2d.b2Distance(e,c),this.lengthB=box2d.b2Distance(f,d),this.ratio=g,box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.ratio>box2d.b2_epsilon)},goog.exportProperty(box2d.b2PulleyJointDef.prototype,"Initialize",box2d.b2PulleyJointDef.prototype.Initialize),box2d.b2PulleyJoint=function(a){box2d.b2Joint.call(this,a),this.m_groundAnchorA=new box2d.b2Vec2,this.m_groundAnchorB=new box2d.b2Vec2,this.m_localAnchorA=new box2d.b2Vec2,this.m_localAnchorB=new box2d.b2Vec2,this.m_uA=new box2d.b2Vec2,this.m_uB=new box2d.b2Vec2,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_groundAnchorA.Copy(a.groundAnchorA),this.m_groundAnchorB.Copy(a.groundAnchorB),this.m_localAnchorA.Copy(a.localAnchorA),this.m_localAnchorB.Copy(a.localAnchorB),this.m_lengthA=a.lengthA,this.m_lengthB=a.lengthB,box2d.ENABLE_ASSERTS&&box2d.b2Assert(0!==a.ratio),this.m_ratio=a.ratio,this.m_constant=a.lengthA+this.m_ratio*a.lengthB,this.m_impulse=0},goog.inherits(box2d.b2PulleyJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2PulleyJoint",box2d.b2PulleyJoint),box2d.b2PulleyJoint.prototype.m_groundAnchorA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_groundAnchorA",box2d.b2PulleyJoint.prototype.m_groundAnchorA),box2d.b2PulleyJoint.prototype.m_groundAnchorB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_groundAnchorB",box2d.b2PulleyJoint.prototype.m_groundAnchorB),box2d.b2PulleyJoint.prototype.m_lengthA=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_lengthA",box2d.b2PulleyJoint.prototype.m_lengthA),box2d.b2PulleyJoint.prototype.m_lengthB=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_lengthB",box2d.b2PulleyJoint.prototype.m_lengthB),box2d.b2PulleyJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_localAnchorA",box2d.b2PulleyJoint.prototype.m_localAnchorA),box2d.b2PulleyJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_localAnchorB",box2d.b2PulleyJoint.prototype.m_localAnchorB),box2d.b2PulleyJoint.prototype.m_constant=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_constant",box2d.b2PulleyJoint.prototype.m_constant),box2d.b2PulleyJoint.prototype.m_ratio=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_ratio",box2d.b2PulleyJoint.prototype.m_ratio),box2d.b2PulleyJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_impulse",box2d.b2PulleyJoint.prototype.m_impulse),box2d.b2PulleyJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_indexA",box2d.b2PulleyJoint.prototype.m_indexA),box2d.b2PulleyJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_indexB",box2d.b2PulleyJoint.prototype.m_indexB),box2d.b2PulleyJoint.prototype.m_uA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_uA",box2d.b2PulleyJoint.prototype.m_uA),box2d.b2PulleyJoint.prototype.m_uB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_uB",box2d.b2PulleyJoint.prototype.m_uB),box2d.b2PulleyJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_rA",box2d.b2PulleyJoint.prototype.m_rA),box2d.b2PulleyJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_rB",box2d.b2PulleyJoint.prototype.m_rB),box2d.b2PulleyJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_localCenterA",box2d.b2PulleyJoint.prototype.m_localCenterA),box2d.b2PulleyJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_localCenterB",box2d.b2PulleyJoint.prototype.m_localCenterB),box2d.b2PulleyJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_invMassA",box2d.b2PulleyJoint.prototype.m_invMassA),box2d.b2PulleyJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_invMassB",box2d.b2PulleyJoint.prototype.m_invMassB),box2d.b2PulleyJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_invIA",box2d.b2PulleyJoint.prototype.m_invIA),box2d.b2PulleyJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_invIB",box2d.b2PulleyJoint.prototype.m_invIB),box2d.b2PulleyJoint.prototype.m_mass=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_mass",box2d.b2PulleyJoint.prototype.m_mass),box2d.b2PulleyJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_qA",box2d.b2PulleyJoint.prototype.m_qA),box2d.b2PulleyJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_qB",box2d.b2PulleyJoint.prototype.m_qB),box2d.b2PulleyJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_lalcA",box2d.b2PulleyJoint.prototype.m_lalcA),box2d.b2PulleyJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_lalcB",box2d.b2PulleyJoint.prototype.m_lalcB),box2d.b2PulleyJoint.prototype.InitVelocityConstraints=function(a){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var b=a.positions[this.m_indexA].c,c=a.velocities[this.m_indexA].v,d=a.velocities[this.m_indexA].w,e=a.positions[this.m_indexB].c,f=a.positions[this.m_indexB].a,g=a.velocities[this.m_indexB].v,h=a.velocities[this.m_indexB].w,k=this.m_qA.SetAngle(a.positions[this.m_indexA].a);f=this.m_qB.SetAngle(f);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),box2d.b2Mul_R_V2(k,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(f,this.m_lalcB,this.m_rB),this.m_uA.Copy(b).SelfAdd(this.m_rA).SelfSub(this.m_groundAnchorA),this.m_uB.Copy(e).SelfAdd(this.m_rB).SelfSub(this.m_groundAnchorB),b=this.m_uA.Length(),e=this.m_uB.Length(),b>10*box2d.b2_linearSlop?this.m_uA.SelfMul(1/b):this.m_uA.SetZero(),e>10*box2d.b2_linearSlop?this.m_uB.SelfMul(1/e):this.m_uB.SetZero(),b=box2d.b2Cross_V2_V2(this.m_rA,this.m_uA),e=box2d.b2Cross_V2_V2(this.m_rB,this.m_uB),this.m_mass=this.m_invMassA+this.m_invIA*b*b+this.m_ratio*this.m_ratio*(this.m_invMassB+this.m_invIB*e*e),0<this.m_mass&&(this.m_mass=1/this.m_mass),a.step.warmStarting?(this.m_impulse*=a.step.dtRatio,b=box2d.b2Mul_S_V2(-this.m_impulse,this.m_uA,box2d.b2PulleyJoint.prototype.InitVelocityConstraints.s_PA),e=box2d.b2Mul_S_V2(-this.m_ratio*this.m_impulse,this.m_uB,box2d.b2PulleyJoint.prototype.InitVelocityConstraints.s_PB),c.SelfMulAdd(this.m_invMassA,b),d+=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,b),g.SelfMulAdd(this.m_invMassB,e),h+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,e)):this.m_impulse=0,a.velocities[this.m_indexA].w=d,a.velocities[this.m_indexB].w=h},goog.exportProperty(box2d.b2PulleyJoint.prototype,"InitVelocityConstraints",box2d.b2PulleyJoint.prototype.InitVelocityConstraints),box2d.b2PulleyJoint.prototype.InitVelocityConstraints.s_PA=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.InitVelocityConstraints.s_PB=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints=function(a){var b=a.velocities[this.m_indexA].v,c=a.velocities[this.m_indexA].w,d=a.velocities[this.m_indexB].v,e=a.velocities[this.m_indexB].w,f=box2d.b2AddCross_V2_S_V2(b,c,this.m_rA,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_vpA),g=box2d.b2AddCross_V2_S_V2(d,e,this.m_rB,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_vpB);f=-box2d.b2Dot_V2_V2(this.m_uA,f)-this.m_ratio*box2d.b2Dot_V2_V2(this.m_uB,g),g=-this.m_mass*f;this.m_impulse+=g,f=box2d.b2Mul_S_V2(-g,this.m_uA,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_PA),g=box2d.b2Mul_S_V2(-this.m_ratio*g,this.m_uB,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_PB),b.SelfMulAdd(this.m_invMassA,f),c+=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,f),d.SelfMulAdd(this.m_invMassB,g),e+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,g),a.velocities[this.m_indexA].w=c,a.velocities[this.m_indexB].w=e},goog.exportProperty(box2d.b2PulleyJoint.prototype,"SolveVelocityConstraints",box2d.b2PulleyJoint.prototype.SolveVelocityConstraints),box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_vpA=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_vpB=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_PA=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_PB=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolvePositionConstraints=function(a){var b=a.positions[this.m_indexA].c,c=a.positions[this.m_indexA].a,d=a.positions[this.m_indexB].c,e=a.positions[this.m_indexB].a,f=this.m_qA.SetAngle(c),g=this.m_qB.SetAngle(e);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),f=box2d.b2Mul_R_V2(f,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);g=box2d.b2Mul_R_V2(g,this.m_lalcB,this.m_rB);var h=this.m_uA.Copy(b).SelfAdd(f).SelfSub(this.m_groundAnchorA),k=this.m_uB.Copy(d).SelfAdd(g).SelfSub(this.m_groundAnchorB),l=h.Length(),m=k.Length();l>10*box2d.b2_linearSlop?h.SelfMul(1/l):h.SetZero(),m>10*box2d.b2_linearSlop?k.SelfMul(1/m):k.SetZero();var n=box2d.b2Cross_V2_V2(f,h),p=box2d.b2Cross_V2_V2(g,k);return 0<(n=this.m_invMassA+this.m_invIA*n*n+this.m_ratio*this.m_ratio*(this.m_invMassB+this.m_invIB*p*p))&&(n=1/n),m=this.m_constant-l-this.m_ratio*m,l=box2d.b2Abs(m),m*=-n,h=box2d.b2Mul_S_V2(-m,h,box2d.b2PulleyJoint.prototype.SolvePositionConstraints.s_PA),k=box2d.b2Mul_S_V2(-this.m_ratio*m,k,box2d.b2PulleyJoint.prototype.SolvePositionConstraints.s_PB),b.SelfMulAdd(this.m_invMassA,h),c+=this.m_invIA*box2d.b2Cross_V2_V2(f,h),d.SelfMulAdd(this.m_invMassB,k),e+=this.m_invIB*box2d.b2Cross_V2_V2(g,k),a.positions[this.m_indexA].a=c,a.positions[this.m_indexB].a=e,l<box2d.b2_linearSlop},goog.exportProperty(box2d.b2PulleyJoint.prototype,"SolvePositionConstraints",box2d.b2PulleyJoint.prototype.SolvePositionConstraints),box2d.b2PulleyJoint.prototype.SolvePositionConstraints.s_PA=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolvePositionConstraints.s_PB=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.GetAnchorA=function(a){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,a)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetAnchorA",box2d.b2PulleyJoint.prototype.GetAnchorA),box2d.b2PulleyJoint.prototype.GetAnchorB=function(a){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,a)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetAnchorB",box2d.b2PulleyJoint.prototype.GetAnchorB),box2d.b2PulleyJoint.prototype.GetReactionForce=function(a,b){return b.Set(a*this.m_impulse*this.m_uB.x,a*this.m_impulse*this.m_uB.y)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetReactionForce",box2d.b2PulleyJoint.prototype.GetReactionForce),box2d.b2PulleyJoint.prototype.GetReactionTorque=function(a){return 0},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetReactionTorque",box2d.b2PulleyJoint.prototype.GetReactionTorque),box2d.b2PulleyJoint.prototype.GetGroundAnchorA=function(a){return a.Copy(this.m_groundAnchorA)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetGroundAnchorA",box2d.b2PulleyJoint.prototype.GetGroundAnchorA),box2d.b2PulleyJoint.prototype.GetGroundAnchorB=function(a){return a.Copy(this.m_groundAnchorB)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetGroundAnchorB",box2d.b2PulleyJoint.prototype.GetGroundAnchorB),box2d.b2PulleyJoint.prototype.GetLengthA=function(){return this.m_lengthA},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetLengthA",box2d.b2PulleyJoint.prototype.GetLengthA),box2d.b2PulleyJoint.prototype.GetLengthB=function(){return this.m_lengthB},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetLengthB",box2d.b2PulleyJoint.prototype.GetLengthB),box2d.b2PulleyJoint.prototype.GetRatio=function(){return this.m_ratio},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetRatio",box2d.b2PulleyJoint.prototype.GetRatio),box2d.b2PulleyJoint.prototype.GetCurrentLengthA=function(){var a=this.m_bodyA.GetWorldPoint(this.m_localAnchorA,box2d.b2PulleyJoint.prototype.GetCurrentLengthA.s_p);return box2d.b2Distance(a,this.m_groundAnchorA)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetCurrentLengthA",box2d.b2PulleyJoint.prototype.GetCurrentLengthA),box2d.b2PulleyJoint.prototype.GetCurrentLengthA.s_p=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.GetCurrentLengthB=function(){var a=this.m_bodyB.GetWorldPoint(this.m_localAnchorB,box2d.b2PulleyJoint.prototype.GetCurrentLengthB.s_p);return box2d.b2Distance(a,this.m_groundAnchorB)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetCurrentLengthB",box2d.b2PulleyJoint.prototype.GetCurrentLengthB),box2d.b2PulleyJoint.prototype.GetCurrentLengthB.s_p=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.Dump=function(){if(box2d.DEBUG){var a=this.m_bodyA.m_islandIndex,b=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2PulleyJointDef*/ var jd = new box2d.b2PulleyJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",a),box2d.b2Log("  jd.bodyB = bodies[%d];\n",b),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.groundAnchorA.Set(%.15f, %.15f);\n",this.m_groundAnchorA.x,this.m_groundAnchorA.y),box2d.b2Log("  jd.groundAnchorB.Set(%.15f, %.15f);\n",this.m_groundAnchorB.x,this.m_groundAnchorB.y),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.lengthA = %.15f;\n",this.m_lengthA),box2d.b2Log("  jd.lengthB = %.15f;\n",this.m_lengthB),box2d.b2Log("  jd.ratio = %.15f;\n",this.m_ratio),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2PulleyJoint.prototype,"Dump",box2d.b2PulleyJoint.prototype.Dump),box2d.b2PulleyJoint.prototype.ShiftOrigin=function(a){this.m_groundAnchorA.SelfSub(a),this.m_groundAnchorB.SelfSub(a)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"ShiftOrigin",box2d.b2PulleyJoint.prototype.ShiftOrigin),box2d.b2RevoluteJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_revoluteJoint),this.localAnchorA=new box2d.b2Vec2(0,0),this.localAnchorB=new box2d.b2Vec2(0,0)},goog.inherits(box2d.b2RevoluteJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2RevoluteJointDef",box2d.b2RevoluteJointDef),box2d.b2RevoluteJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"localAnchorA",box2d.b2RevoluteJointDef.prototype.localAnchorA),box2d.b2RevoluteJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"localAnchorB",box2d.b2RevoluteJointDef.prototype.localAnchorB),box2d.b2RevoluteJointDef.prototype.referenceAngle=0,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"referenceAngle",box2d.b2RevoluteJointDef.prototype.referenceAngle),box2d.b2RevoluteJointDef.prototype.enableLimit=!1,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"enableLimit",box2d.b2RevoluteJointDef.prototype.enableLimit),box2d.b2RevoluteJointDef.prototype.lowerAngle=0,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"lowerAngle",box2d.b2RevoluteJointDef.prototype.lowerAngle),box2d.b2RevoluteJointDef.prototype.upperAngle=0,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"upperAngle",box2d.b2RevoluteJointDef.prototype.upperAngle),box2d.b2RevoluteJointDef.prototype.enableMotor=!1,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"enableMotor",box2d.b2RevoluteJointDef.prototype.enableMotor),box2d.b2RevoluteJointDef.prototype.motorSpeed=0,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"motorSpeed",box2d.b2RevoluteJointDef.prototype.motorSpeed),box2d.b2RevoluteJointDef.prototype.maxMotorTorque=0,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"maxMotorTorque",box2d.b2RevoluteJointDef.prototype.maxMotorTorque),box2d.b2RevoluteJointDef.prototype.Initialize=function(a,b,c){this.bodyA=a,this.bodyB=b,this.bodyA.GetLocalPoint(c,this.localAnchorA),this.bodyB.GetLocalPoint(c,this.localAnchorB),this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()},goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"Initialize",box2d.b2RevoluteJointDef.prototype.Initialize),box2d.b2RevoluteJoint=function(a){box2d.b2Joint.call(this,a),this.m_localAnchorA=new box2d.b2Vec2,this.m_localAnchorB=new box2d.b2Vec2,this.m_impulse=new box2d.b2Vec3,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_mass=new box2d.b2Mat33,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_K=new box2d.b2Mat22,this.m_localAnchorA.Copy(a.localAnchorA),this.m_localAnchorB.Copy(a.localAnchorB),this.m_referenceAngle=a.referenceAngle,this.m_impulse.SetZero(),this.m_motorImpulse=0,this.m_lowerAngle=a.lowerAngle,this.m_upperAngle=a.upperAngle,this.m_maxMotorTorque=a.maxMotorTorque,this.m_motorSpeed=a.motorSpeed,this.m_enableLimit=a.enableLimit,this.m_enableMotor=a.enableMotor,this.m_limitState=box2d.b2LimitState.e_inactiveLimit},goog.inherits(box2d.b2RevoluteJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2RevoluteJoint",box2d.b2RevoluteJoint),box2d.b2RevoluteJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_localAnchorA",box2d.b2RevoluteJoint.prototype.m_localAnchorA),box2d.b2RevoluteJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_localAnchorB",box2d.b2RevoluteJoint.prototype.m_localAnchorB),box2d.b2RevoluteJoint.prototype.m_impulse=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_impulse",box2d.b2RevoluteJoint.prototype.m_impulse),box2d.b2RevoluteJoint.prototype.m_motorImpulse=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_motorImpulse",box2d.b2RevoluteJoint.prototype.m_motorImpulse),box2d.b2RevoluteJoint.prototype.m_enableMotor=!1,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_enableMotor",box2d.b2RevoluteJoint.prototype.m_enableMotor),box2d.b2RevoluteJoint.prototype.m_maxMotorTorque=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_maxMotorTorque",box2d.b2RevoluteJoint.prototype.m_maxMotorTorque),box2d.b2RevoluteJoint.prototype.m_motorSpeed=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_motorSpeed",box2d.b2RevoluteJoint.prototype.m_motorSpeed),box2d.b2RevoluteJoint.prototype.m_enableLimit=!1,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_enableLimit",box2d.b2RevoluteJoint.prototype.m_enableLimit),box2d.b2RevoluteJoint.prototype.m_referenceAngle=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_referenceAngle",box2d.b2RevoluteJoint.prototype.m_referenceAngle),box2d.b2RevoluteJoint.prototype.m_lowerAngle=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_lowerAngle",box2d.b2RevoluteJoint.prototype.m_lowerAngle),box2d.b2RevoluteJoint.prototype.m_upperAngle=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_upperAngle",box2d.b2RevoluteJoint.prototype.m_upperAngle),box2d.b2RevoluteJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_indexA",box2d.b2RevoluteJoint.prototype.m_indexA),box2d.b2RevoluteJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_indexB",box2d.b2RevoluteJoint.prototype.m_indexB),box2d.b2RevoluteJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_rA",box2d.b2RevoluteJoint.prototype.m_rA),box2d.b2RevoluteJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_rB",box2d.b2RevoluteJoint.prototype.m_rB),box2d.b2RevoluteJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_localCenterA",box2d.b2RevoluteJoint.prototype.m_localCenterA),box2d.b2RevoluteJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_localCenterB",box2d.b2RevoluteJoint.prototype.m_localCenterB),box2d.b2RevoluteJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_invMassA",box2d.b2RevoluteJoint.prototype.m_invMassA),box2d.b2RevoluteJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_invMassB",box2d.b2RevoluteJoint.prototype.m_invMassB),box2d.b2RevoluteJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_invIA",box2d.b2RevoluteJoint.prototype.m_invIA),box2d.b2RevoluteJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_invIB",box2d.b2RevoluteJoint.prototype.m_invIB),box2d.b2RevoluteJoint.prototype.m_mass=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_mass",box2d.b2RevoluteJoint.prototype.m_mass),box2d.b2RevoluteJoint.prototype.m_motorMass=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_motorMass",box2d.b2RevoluteJoint.prototype.m_motorMass),box2d.b2RevoluteJoint.prototype.m_limitState=box2d.b2LimitState.e_inactiveLimit,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_limitState",box2d.b2RevoluteJoint.prototype.m_limitState),box2d.b2RevoluteJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_qA",box2d.b2RevoluteJoint.prototype.m_qA),box2d.b2RevoluteJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_qB",box2d.b2RevoluteJoint.prototype.m_qB),box2d.b2RevoluteJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_lalcA",box2d.b2RevoluteJoint.prototype.m_lalcA),box2d.b2RevoluteJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_lalcB",box2d.b2RevoluteJoint.prototype.m_lalcB),box2d.b2RevoluteJoint.prototype.m_K=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_K",box2d.b2RevoluteJoint.prototype.m_K),box2d.b2RevoluteJoint.prototype.InitVelocityConstraints=function(a){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var b=a.positions[this.m_indexA].a,c=a.velocities[this.m_indexA].v,d=a.velocities[this.m_indexA].w,e=a.positions[this.m_indexB].a,f=a.velocities[this.m_indexB].v,g=a.velocities[this.m_indexB].w,h=this.m_qA.SetAngle(b),k=this.m_qB.SetAngle(e);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),box2d.b2Mul_R_V2(h,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(k,this.m_lalcB,this.m_rB);h=this.m_invMassA,k=this.m_invMassB;var l=this.m_invIA,m=this.m_invIB,n=0===l+m;this.m_mass.ex.x=h+k+this.m_rA.y*this.m_rA.y*l+this.m_rB.y*this.m_rB.y*m,this.m_mass.ey.x=-this.m_rA.y*this.m_rA.x*l-this.m_rB.y*this.m_rB.x*m,this.m_mass.ez.x=-this.m_rA.y*l-this.m_rB.y*m,this.m_mass.ex.y=this.m_mass.ey.x,this.m_mass.ey.y=h+k+this.m_rA.x*this.m_rA.x*l+this.m_rB.x*this.m_rB.x*m,this.m_mass.ez.y=this.m_rA.x*l+this.m_rB.x*m,this.m_mass.ex.z=this.m_mass.ez.x,this.m_mass.ey.z=this.m_mass.ez.y,this.m_mass.ez.z=l+m,this.m_motorMass=l+m,0<this.m_motorMass&&(this.m_motorMass=1/this.m_motorMass),this.m_enableMotor&&!n||(this.m_motorImpulse=0),this.m_enableLimit&&!n?(b=e-b-this.m_referenceAngle,box2d.b2Abs(this.m_upperAngle-this.m_lowerAngle)<2*box2d.b2_angularSlop?this.m_limitState=box2d.b2LimitState.e_equalLimits:b<=this.m_lowerAngle?(this.m_limitState!==box2d.b2LimitState.e_atLowerLimit&&(this.m_impulse.z=0),this.m_limitState=box2d.b2LimitState.e_atLowerLimit):b>=this.m_upperAngle?(this.m_limitState!==box2d.b2LimitState.e_atUpperLimit&&(this.m_impulse.z=0),this.m_limitState=box2d.b2LimitState.e_atUpperLimit):(this.m_limitState=box2d.b2LimitState.e_inactiveLimit,this.m_impulse.z=0)):this.m_limitState=box2d.b2LimitState.e_inactiveLimit,a.step.warmStarting?(this.m_impulse.SelfMulScalar(a.step.dtRatio),this.m_motorImpulse*=a.step.dtRatio,b=box2d.b2RevoluteJoint.prototype.InitVelocityConstraints.s_P.Set(this.m_impulse.x,this.m_impulse.y),c.SelfMulSub(h,b),d-=l*(box2d.b2Cross_V2_V2(this.m_rA,b)+this.m_motorImpulse+this.m_impulse.z),f.SelfMulAdd(k,b),g+=m*(box2d.b2Cross_V2_V2(this.m_rB,b)+this.m_motorImpulse+this.m_impulse.z)):(this.m_impulse.SetZero(),this.m_motorImpulse=0),a.velocities[this.m_indexA].w=d,a.velocities[this.m_indexB].w=g},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"InitVelocityConstraints",box2d.b2RevoluteJoint.prototype.InitVelocityConstraints),box2d.b2RevoluteJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints=function(a){var b=a.velocities[this.m_indexA].v,c=a.velocities[this.m_indexA].w,d=a.velocities[this.m_indexB].v,e=a.velocities[this.m_indexB].w,f=this.m_invMassA,g=this.m_invMassB,h=this.m_invIA,k=this.m_invIB,l=0===h+k;if(this.m_enableMotor&&this.m_limitState!==box2d.b2LimitState.e_equalLimits&&!l){var m=e-c-this.m_motorSpeed,n=(m=-this.m_motorMass*m,this.m_motorImpulse),p=a.step.dt*this.m_maxMotorTorque;this.m_motorImpulse=box2d.b2Clamp(this.m_motorImpulse+m,-p,p),c-=h*(m=this.m_motorImpulse-n),e+=k*m}this.m_enableLimit&&this.m_limitState!==box2d.b2LimitState.e_inactiveLimit&&!l?(l=box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(d,e,this.m_rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(b,c,this.m_rA,box2d.b2Vec2.s_t1),box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_Cdot1),m=this.m_mass.Solve33(l.x,l.y,e-c,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_impulse3).SelfNeg(),this.m_limitState===box2d.b2LimitState.e_equalLimits?this.m_impulse.SelfAdd(m):this.m_limitState===box2d.b2LimitState.e_atLowerLimit?0>(n=this.m_impulse.z+m.z)?(n=-l.x+this.m_impulse.z*this.m_mass.ez.x,l=-l.y+this.m_impulse.z*this.m_mass.ez.y,l=this.m_mass.Solve22(n,l,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_reduced),m.x=l.x,m.y=l.y,m.z=-this.m_impulse.z,this.m_impulse.x+=l.x,this.m_impulse.y+=l.y,this.m_impulse.z=0):this.m_impulse.SelfAdd(m):this.m_limitState===box2d.b2LimitState.e_atUpperLimit&&(0<(n=this.m_impulse.z+m.z)?(n=-l.x+this.m_impulse.z*this.m_mass.ez.x,l=-l.y+this.m_impulse.z*this.m_mass.ez.y,l=this.m_mass.Solve22(n,l,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_reduced),m.x=l.x,m.y=l.y,m.z=-this.m_impulse.z,this.m_impulse.x+=l.x,this.m_impulse.y+=l.y,this.m_impulse.z=0):this.m_impulse.SelfAdd(m)),l=box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_P.Set(m.x,m.y),b.SelfMulSub(f,l),c-=h*(box2d.b2Cross_V2_V2(this.m_rA,l)+m.z),d.SelfMulAdd(g,l),e+=k*(box2d.b2Cross_V2_V2(this.m_rB,l)+m.z)):(m=box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(d,e,this.m_rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(b,c,this.m_rA,box2d.b2Vec2.s_t1),box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_Cdot),m=this.m_mass.Solve22(-m.x,-m.y,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_impulse2),this.m_impulse.x+=m.x,this.m_impulse.y+=m.y,b.SelfMulSub(f,m),c-=h*box2d.b2Cross_V2_V2(this.m_rA,m),d.SelfMulAdd(g,m),e+=k*box2d.b2Cross_V2_V2(this.m_rB,m)),a.velocities[this.m_indexA].w=c,a.velocities[this.m_indexB].w=e},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"SolveVelocityConstraints",box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints),box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_Cdot=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_Cdot1=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_impulse3=new box2d.b2Vec3,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_reduced=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_impulse2=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolvePositionConstraints=function(a){var b=a.positions[this.m_indexA].c,c=a.positions[this.m_indexA].a,d=a.positions[this.m_indexB].c,e=a.positions[this.m_indexB].a,f=this.m_qA.SetAngle(c),g=this.m_qB.SetAngle(e),h=0,k=0;k=0===this.m_invIA+this.m_invIB;if(this.m_enableLimit&&this.m_limitState!==box2d.b2LimitState.e_inactiveLimit&&!k){var l=e-c-this.m_referenceAngle;k=0;this.m_limitState===box2d.b2LimitState.e_equalLimits?(l=box2d.b2Clamp(l-this.m_lowerAngle,-box2d.b2_maxAngularCorrection,box2d.b2_maxAngularCorrection),k=-this.m_motorMass*l,h=box2d.b2Abs(l)):this.m_limitState===box2d.b2LimitState.e_atLowerLimit?(h=-(l-=this.m_lowerAngle),l=box2d.b2Clamp(l+box2d.b2_angularSlop,-box2d.b2_maxAngularCorrection,0),k=-this.m_motorMass*l):this.m_limitState===box2d.b2LimitState.e_atUpperLimit&&(h=l-=this.m_upperAngle,l=box2d.b2Clamp(l-box2d.b2_angularSlop,0,box2d.b2_maxAngularCorrection),k=-this.m_motorMass*l),c-=this.m_invIA*k,e+=this.m_invIB*k}f.SetAngle(c),g.SetAngle(e),box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),f=box2d.b2Mul_R_V2(f,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);g=box2d.b2Mul_R_V2(g,this.m_lalcB,this.m_rB),k=(l=box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(d,g,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(b,f,box2d.b2Vec2.s_t1),box2d.b2RevoluteJoint.prototype.SolvePositionConstraints.s_C)).Length();var m=this.m_invMassA,n=this.m_invMassB,p=this.m_invIA,q=this.m_invIB,r=this.m_K;return r.ex.x=m+n+p*f.y*f.y+q*g.y*g.y,r.ex.y=-p*f.x*f.y-q*g.x*g.y,r.ey.x=r.ex.y,r.ey.y=m+n+p*f.x*f.x+q*g.x*g.x,l=r.Solve(l.x,l.y,box2d.b2RevoluteJoint.prototype.SolvePositionConstraints.s_impulse).SelfNeg(),b.SelfMulSub(m,l),c-=p*box2d.b2Cross_V2_V2(f,l),d.SelfMulAdd(n,l),e+=q*box2d.b2Cross_V2_V2(g,l),a.positions[this.m_indexA].a=c,a.positions[this.m_indexB].a=e,k<=box2d.b2_linearSlop&&h<=box2d.b2_angularSlop},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"SolvePositionConstraints",box2d.b2RevoluteJoint.prototype.SolvePositionConstraints),box2d.b2RevoluteJoint.prototype.SolvePositionConstraints.s_C=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolvePositionConstraints.s_impulse=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.GetAnchorA=function(a){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,a)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetAnchorA",box2d.b2RevoluteJoint.prototype.GetAnchorA),box2d.b2RevoluteJoint.prototype.GetAnchorB=function(a){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,a)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetAnchorB",box2d.b2RevoluteJoint.prototype.GetAnchorB),box2d.b2RevoluteJoint.prototype.GetReactionForce=function(a,b){return b.Set(a*this.m_impulse.x,a*this.m_impulse.y)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetReactionForce",box2d.b2RevoluteJoint.prototype.GetReactionForce),box2d.b2RevoluteJoint.prototype.GetReactionTorque=function(a){return a*this.m_impulse.z},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetReactionTorque",box2d.b2RevoluteJoint.prototype.GetReactionTorque),box2d.b2RevoluteJoint.prototype.GetLocalAnchorA=function(a){return a.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetLocalAnchorA",box2d.b2RevoluteJoint.prototype.GetLocalAnchorA),box2d.b2RevoluteJoint.prototype.GetLocalAnchorB=function(a){return a.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetLocalAnchorB",box2d.b2RevoluteJoint.prototype.GetLocalAnchorB),box2d.b2RevoluteJoint.prototype.GetReferenceAngle=function(){return this.m_referenceAngle},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetReferenceAngle",box2d.b2RevoluteJoint.prototype.GetReferenceAngle),box2d.b2RevoluteJoint.prototype.GetJointAngle=function(){return this.m_bodyB.m_sweep.a-this.m_bodyA.m_sweep.a-this.m_referenceAngle},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetJointAngle",box2d.b2RevoluteJoint.prototype.GetJointAngle),box2d.b2RevoluteJoint.prototype.GetJointSpeed=function(){return this.m_bodyB.m_angularVelocity-this.m_bodyA.m_angularVelocity},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetJointSpeed",box2d.b2RevoluteJoint.prototype.GetJointSpeed),box2d.b2RevoluteJoint.prototype.IsMotorEnabled=function(){return this.m_enableMotor},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"IsMotorEnabled",box2d.b2RevoluteJoint.prototype.IsMotorEnabled),box2d.b2RevoluteJoint.prototype.EnableMotor=function(a){this.m_enableMotor!==a&&(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_enableMotor=a)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"EnableMotor",box2d.b2RevoluteJoint.prototype.EnableMotor),box2d.b2RevoluteJoint.prototype.GetMotorTorque=function(a){return a*this.m_motorImpulse},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetMotorTorque",box2d.b2RevoluteJoint.prototype.GetMotorTorque),box2d.b2RevoluteJoint.prototype.GetMotorSpeed=function(){return this.m_motorSpeed},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetMotorSpeed",box2d.b2RevoluteJoint.prototype.GetMotorSpeed),box2d.b2RevoluteJoint.prototype.SetMaxMotorTorque=function(a){this.m_maxMotorTorque=a},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"SetMaxMotorTorque",box2d.b2RevoluteJoint.prototype.SetMaxMotorTorque),box2d.b2RevoluteJoint.prototype.GetMaxMotorTorque=function(){return this.m_maxMotorTorque},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetMaxMotorTorque",box2d.b2RevoluteJoint.prototype.GetMaxMotorTorque),box2d.b2RevoluteJoint.prototype.IsLimitEnabled=function(){return this.m_enableLimit},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"IsLimitEnabled",box2d.b2RevoluteJoint.prototype.IsLimitEnabled),box2d.b2RevoluteJoint.prototype.EnableLimit=function(a){a!==this.m_enableLimit&&(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_enableLimit=a,this.m_impulse.z=0)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"EnableLimit",box2d.b2RevoluteJoint.prototype.EnableLimit),box2d.b2RevoluteJoint.prototype.GetLowerLimit=function(){return this.m_lowerAngle},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetLowerLimit",box2d.b2RevoluteJoint.prototype.GetLowerLimit),box2d.b2RevoluteJoint.prototype.GetUpperLimit=function(){return this.m_upperAngle},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetUpperLimit",box2d.b2RevoluteJoint.prototype.GetUpperLimit),box2d.b2RevoluteJoint.prototype.SetLimits=function(a,b){a===this.m_lowerAngle&&b===this.m_upperAngle||(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_impulse.z=0,this.m_lowerAngle=a,this.m_upperAngle=b)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"SetLimits",box2d.b2RevoluteJoint.prototype.SetLimits),box2d.b2RevoluteJoint.prototype.SetMotorSpeed=function(a){this.m_motorSpeed!==a&&(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_motorSpeed=a)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"SetMotorSpeed",box2d.b2RevoluteJoint.prototype.SetMotorSpeed),box2d.b2RevoluteJoint.prototype.Dump=function(){if(box2d.DEBUG){var a=this.m_bodyA.m_islandIndex,b=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2RevoluteJointDef*/ var jd = new box2d.b2RevoluteJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",a),box2d.b2Log("  jd.bodyB = bodies[%d];\n",b),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.referenceAngle = %.15f;\n",this.m_referenceAngle),box2d.b2Log("  jd.enableLimit = %s;\n",this.m_enableLimit?"true":"false"),box2d.b2Log("  jd.lowerAngle = %.15f;\n",this.m_lowerAngle),box2d.b2Log("  jd.upperAngle = %.15f;\n",this.m_upperAngle),box2d.b2Log("  jd.enableMotor = %s;\n",this.m_enableMotor?"true":"false"),box2d.b2Log("  jd.motorSpeed = %.15f;\n",this.m_motorSpeed),box2d.b2Log("  jd.maxMotorTorque = %.15f;\n",this.m_maxMotorTorque),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"Dump",box2d.b2RevoluteJoint.prototype.Dump),box2d.b2GearJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_gearJoint)},goog.inherits(box2d.b2GearJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2GearJointDef",box2d.b2GearJointDef),box2d.b2GearJointDef.prototype.joint1=null,goog.exportProperty(box2d.b2GearJointDef.prototype,"joint1",box2d.b2GearJointDef.prototype.joint1),box2d.b2GearJointDef.prototype.joint2=null,goog.exportProperty(box2d.b2GearJointDef.prototype,"joint2",box2d.b2GearJointDef.prototype.joint2),box2d.b2GearJointDef.prototype.ratio=1,goog.exportProperty(box2d.b2GearJointDef.prototype,"ratio",box2d.b2GearJointDef.prototype.ratio),box2d.b2GearJoint=function(a){var b,c;box2d.b2Joint.call(this,a),this.m_joint1=a.joint1,this.m_joint2=a.joint2,this.m_localAnchorA=new box2d.b2Vec2,this.m_localAnchorB=new box2d.b2Vec2,this.m_localAnchorC=new box2d.b2Vec2,this.m_localAnchorD=new box2d.b2Vec2,this.m_localAxisC=new box2d.b2Vec2,this.m_localAxisD=new box2d.b2Vec2,this.m_lcA=new box2d.b2Vec2,this.m_lcB=new box2d.b2Vec2,this.m_lcC=new box2d.b2Vec2,this.m_lcD=new box2d.b2Vec2,this.m_JvAC=new box2d.b2Vec2,this.m_JvBD=new box2d.b2Vec2,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_qC=new box2d.b2Rot,this.m_qD=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_lalcC=new box2d.b2Vec2,this.m_lalcD=new box2d.b2Vec2,this.m_typeA=this.m_joint1.GetType(),this.m_typeB=this.m_joint2.GetType(),box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_typeA===box2d.b2JointType.e_revoluteJoint||this.m_typeA===box2d.b2JointType.e_prismaticJoint),box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_typeB===box2d.b2JointType.e_revoluteJoint||this.m_typeB===box2d.b2JointType.e_prismaticJoint),this.m_bodyC=this.m_joint1.GetBodyA(),this.m_bodyA=this.m_joint1.GetBodyB(),b=this.m_bodyA.m_xf;var d=this.m_bodyA.m_sweep.a;c=this.m_bodyC.m_xf;var e=this.m_bodyC.m_sweep.a;this.m_typeA===box2d.b2JointType.e_revoluteJoint?(c=a.joint1,this.m_localAnchorC.Copy(c.m_localAnchorA),this.m_localAnchorA.Copy(c.m_localAnchorB),this.m_referenceAngleA=c.m_referenceAngle,this.m_localAxisC.SetZero(),b=d-e-this.m_referenceAngleA):(e=a.joint1,this.m_localAnchorC.Copy(e.m_localAnchorA),this.m_localAnchorA.Copy(e.m_localAnchorB),this.m_referenceAngleA=e.m_referenceAngle,this.m_localAxisC.Copy(e.m_localXAxisA),d=this.m_localAnchorC,b=box2d.b2MulT_R_V2(c.q,box2d.b2Add_V2_V2(box2d.b2Mul_R_V2(b.q,this.m_localAnchorA,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(b.p,c.p,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),b=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(b,d,box2d.b2Vec2.s_t0),this.m_localAxisC)),this.m_bodyD=this.m_joint2.GetBodyA(),this.m_bodyB=this.m_joint2.GetBodyB(),c=this.m_bodyB.m_xf;e=this.m_bodyB.m_sweep.a,d=this.m_bodyD.m_xf;var f=this.m_bodyD.m_sweep.a;this.m_typeB===box2d.b2JointType.e_revoluteJoint?(c=a.joint2,this.m_localAnchorD.Copy(c.m_localAnchorA),this.m_localAnchorB.Copy(c.m_localAnchorB),this.m_referenceAngleB=c.m_referenceAngle,this.m_localAxisD.SetZero(),c=e-f-this.m_referenceAngleB):(e=a.joint2,this.m_localAnchorD.Copy(e.m_localAnchorA),this.m_localAnchorB.Copy(e.m_localAnchorB),this.m_referenceAngleB=e.m_referenceAngle,this.m_localAxisD.Copy(e.m_localXAxisA),e=this.m_localAnchorD,c=box2d.b2MulT_R_V2(d.q,box2d.b2Add_V2_V2(box2d.b2Mul_R_V2(c.q,this.m_localAnchorB,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(c.p,d.p,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),c=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(c,e,box2d.b2Vec2.s_t0),this.m_localAxisD)),this.m_ratio=a.ratio,this.m_constant=b+this.m_ratio*c,this.m_impulse=0},goog.inherits(box2d.b2GearJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2GearJoint",box2d.b2GearJoint),box2d.b2GearJoint.prototype.m_joint1=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_joint1",box2d.b2GearJoint.prototype.m_joint1),box2d.b2GearJoint.prototype.m_joint2=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_joint2",box2d.b2GearJoint.prototype.m_joint2),box2d.b2GearJoint.prototype.m_typeA=box2d.b2JointType.e_unknownJoint,goog.exportProperty(box2d.b2GearJoint.prototype,"m_typeA",box2d.b2GearJoint.prototype.m_typeA),box2d.b2GearJoint.prototype.m_typeB=box2d.b2JointType.e_unknownJoint,goog.exportProperty(box2d.b2GearJoint.prototype,"m_typeB",box2d.b2GearJoint.prototype.m_typeB),box2d.b2GearJoint.prototype.m_bodyC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_bodyC",box2d.b2GearJoint.prototype.m_bodyC),box2d.b2GearJoint.prototype.m_bodyD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_bodyD",box2d.b2GearJoint.prototype.m_bodyD),box2d.b2GearJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAnchorA",box2d.b2GearJoint.prototype.m_localAnchorA),box2d.b2GearJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAnchorB",box2d.b2GearJoint.prototype.m_localAnchorB),box2d.b2GearJoint.prototype.m_localAnchorC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAnchorC",box2d.b2GearJoint.prototype.m_localAnchorC),box2d.b2GearJoint.prototype.m_localAnchorD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAnchorD",box2d.b2GearJoint.prototype.m_localAnchorD),box2d.b2GearJoint.prototype.m_localAxisC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAxisC",box2d.b2GearJoint.prototype.m_localAxisC),box2d.b2GearJoint.prototype.m_localAxisD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAxisD",box2d.b2GearJoint.prototype.m_localAxisD),box2d.b2GearJoint.prototype.m_referenceAngleA=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_referenceAngleA",box2d.b2GearJoint.prototype.m_referenceAngleA),box2d.b2GearJoint.prototype.m_referenceAngleB=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_referenceAngleB",box2d.b2GearJoint.prototype.m_referenceAngleB),box2d.b2GearJoint.prototype.m_constant=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_constant",box2d.b2GearJoint.prototype.m_constant),box2d.b2GearJoint.prototype.m_ratio=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_ratio",box2d.b2GearJoint.prototype.m_ratio),box2d.b2GearJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_impulse",box2d.b2GearJoint.prototype.m_impulse),box2d.b2GearJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_indexA",box2d.b2GearJoint.prototype.m_indexA),box2d.b2GearJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_indexB",box2d.b2GearJoint.prototype.m_indexB),box2d.b2GearJoint.prototype.m_indexC=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_indexC",box2d.b2GearJoint.prototype.m_indexC),box2d.b2GearJoint.prototype.m_indexD=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_indexD",box2d.b2GearJoint.prototype.m_indexD),box2d.b2GearJoint.prototype.m_lcA=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lcA",box2d.b2GearJoint.prototype.m_lcA),box2d.b2GearJoint.prototype.m_lcB=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lcB",box2d.b2GearJoint.prototype.m_lcB),box2d.b2GearJoint.prototype.m_lcC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lcC",box2d.b2GearJoint.prototype.m_lcC),box2d.b2GearJoint.prototype.m_lcD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lcD",box2d.b2GearJoint.prototype.m_lcD),box2d.b2GearJoint.prototype.m_mA=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_mA",box2d.b2GearJoint.prototype.m_mA),box2d.b2GearJoint.prototype.m_mB=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_mB",box2d.b2GearJoint.prototype.m_mB),box2d.b2GearJoint.prototype.m_mC=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_mC",box2d.b2GearJoint.prototype.m_mC),box2d.b2GearJoint.prototype.m_mD=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_mD",box2d.b2GearJoint.prototype.m_mD),box2d.b2GearJoint.prototype.m_iA=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_iA",box2d.b2GearJoint.prototype.m_iA),box2d.b2GearJoint.prototype.m_iB=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_iB",box2d.b2GearJoint.prototype.m_iB),box2d.b2GearJoint.prototype.m_iC=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_iC",box2d.b2GearJoint.prototype.m_iC),box2d.b2GearJoint.prototype.m_iD=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_iD",box2d.b2GearJoint.prototype.m_iD),box2d.b2GearJoint.prototype.m_JvAC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JvAC",box2d.b2GearJoint.prototype.m_JvAC),box2d.b2GearJoint.prototype.m_JvBD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JvBD",box2d.b2GearJoint.prototype.m_JvBD),box2d.b2GearJoint.prototype.m_JwA=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JwA",box2d.b2GearJoint.prototype.m_JwA),box2d.b2GearJoint.prototype.m_JwB=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JwB",box2d.b2GearJoint.prototype.m_JwB),box2d.b2GearJoint.prototype.m_JwC=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JwC",box2d.b2GearJoint.prototype.m_JwC),box2d.b2GearJoint.prototype.m_JwD=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JwD",box2d.b2GearJoint.prototype.m_JwD),box2d.b2GearJoint.prototype.m_mass=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_mass",box2d.b2GearJoint.prototype.m_mass),box2d.b2GearJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_qA",box2d.b2GearJoint.prototype.m_qA),box2d.b2GearJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_qB",box2d.b2GearJoint.prototype.m_qB),box2d.b2GearJoint.prototype.m_qC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_qC",box2d.b2GearJoint.prototype.m_qC),box2d.b2GearJoint.prototype.m_qD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_qD",box2d.b2GearJoint.prototype.m_qD),box2d.b2GearJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lalcA",box2d.b2GearJoint.prototype.m_lalcA),box2d.b2GearJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lalcB",box2d.b2GearJoint.prototype.m_lalcB),box2d.b2GearJoint.prototype.m_lalcC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lalcC",box2d.b2GearJoint.prototype.m_lalcC),box2d.b2GearJoint.prototype.m_lalcD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lalcD",box2d.b2GearJoint.prototype.m_lalcD),box2d.b2GearJoint.prototype.InitVelocityConstraints=function(a){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_indexC=this.m_bodyC.m_islandIndex,this.m_indexD=this.m_bodyD.m_islandIndex,this.m_lcA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_lcB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_lcC.Copy(this.m_bodyC.m_sweep.localCenter),this.m_lcD.Copy(this.m_bodyD.m_sweep.localCenter),this.m_mA=this.m_bodyA.m_invMass,this.m_mB=this.m_bodyB.m_invMass,this.m_mC=this.m_bodyC.m_invMass,this.m_mD=this.m_bodyD.m_invMass,this.m_iA=this.m_bodyA.m_invI,this.m_iB=this.m_bodyB.m_invI,this.m_iC=this.m_bodyC.m_invI,this.m_iD=this.m_bodyD.m_invI;var b=a.velocities[this.m_indexA].v,c=a.velocities[this.m_indexA].w,d=a.positions[this.m_indexB].a,e=a.velocities[this.m_indexB].v,f=a.velocities[this.m_indexB].w,g=a.positions[this.m_indexC].a,h=a.velocities[this.m_indexC].v,k=a.velocities[this.m_indexC].w,l=a.positions[this.m_indexD].a,m=a.velocities[this.m_indexD].v,n=a.velocities[this.m_indexD].w,p=this.m_qA.SetAngle(a.positions[this.m_indexA].a),q=(d=this.m_qB.SetAngle(d),this.m_qC.SetAngle(g));g=this.m_qD.SetAngle(l);this.m_mass=0,this.m_typeA===box2d.b2JointType.e_revoluteJoint?(this.m_JvAC.SetZero(),this.m_JwC=this.m_JwA=1,this.m_mass+=this.m_iA+this.m_iC):(l=box2d.b2Mul_R_V2(q,this.m_localAxisC,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_u),box2d.b2Sub_V2_V2(this.m_localAnchorC,this.m_lcC,this.m_lalcC),q=box2d.b2Mul_R_V2(q,this.m_lalcC,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rC),box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_lcA,this.m_lalcA),p=box2d.b2Mul_R_V2(p,this.m_lalcA,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rA),this.m_JvAC.Copy(l),this.m_JwC=box2d.b2Cross_V2_V2(q,l),this.m_JwA=box2d.b2Cross_V2_V2(p,l),this.m_mass+=this.m_mC+this.m_mA+this.m_iC*this.m_JwC*this.m_JwC+this.m_iA*this.m_JwA*this.m_JwA),this.m_typeB===box2d.b2JointType.e_revoluteJoint?(this.m_JvBD.SetZero(),this.m_JwD=this.m_JwB=this.m_ratio,this.m_mass+=this.m_ratio*this.m_ratio*(this.m_iB+this.m_iD)):(l=box2d.b2Mul_R_V2(g,this.m_localAxisD,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_u),box2d.b2Sub_V2_V2(this.m_localAnchorD,this.m_lcD,this.m_lalcD),p=box2d.b2Mul_R_V2(g,this.m_lalcD,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rD),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_lcB,this.m_lalcB),d=box2d.b2Mul_R_V2(d,this.m_lalcB,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rB),box2d.b2Mul_S_V2(this.m_ratio,l,this.m_JvBD),this.m_JwD=this.m_ratio*box2d.b2Cross_V2_V2(p,l),this.m_JwB=this.m_ratio*box2d.b2Cross_V2_V2(d,l),this.m_mass+=this.m_ratio*this.m_ratio*(this.m_mD+this.m_mB)+this.m_iD*this.m_JwD*this.m_JwD+this.m_iB*this.m_JwB*this.m_JwB),this.m_mass=0<this.m_mass?1/this.m_mass:0,a.step.warmStarting?(b.SelfMulAdd(this.m_mA*this.m_impulse,this.m_JvAC),c+=this.m_iA*this.m_impulse*this.m_JwA,e.SelfMulAdd(this.m_mB*this.m_impulse,this.m_JvBD),f+=this.m_iB*this.m_impulse*this.m_JwB,h.SelfMulSub(this.m_mC*this.m_impulse,this.m_JvAC),k-=this.m_iC*this.m_impulse*this.m_JwC,m.SelfMulSub(this.m_mD*this.m_impulse,this.m_JvBD),n-=this.m_iD*this.m_impulse*this.m_JwD):this.m_impulse=0,a.velocities[this.m_indexA].w=c,a.velocities[this.m_indexB].w=f,a.velocities[this.m_indexC].w=k,a.velocities[this.m_indexD].w=n},box2d.b2GearJoint.prototype.InitVelocityConstraints.s_u=new box2d.b2Vec2,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rA=new box2d.b2Vec2,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rB=new box2d.b2Vec2,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rC=new box2d.b2Vec2,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rD=new box2d.b2Vec2,box2d.b2GearJoint.prototype.SolveVelocityConstraints=function(a){var b=a.velocities[this.m_indexA].v,c=a.velocities[this.m_indexA].w,d=a.velocities[this.m_indexB].v,e=a.velocities[this.m_indexB].w,f=a.velocities[this.m_indexC].v,g=a.velocities[this.m_indexC].w,h=a.velocities[this.m_indexD].v,k=a.velocities[this.m_indexD].w,l=(l=box2d.b2Dot_V2_V2(this.m_JvAC,box2d.b2Sub_V2_V2(b,f,box2d.b2Vec2.s_t0))+box2d.b2Dot_V2_V2(this.m_JvBD,box2d.b2Sub_V2_V2(d,h,box2d.b2Vec2.s_t0)))+(this.m_JwA*c-this.m_JwC*g+(this.m_JwB*e-this.m_JwD*k));l=-this.m_mass*l;this.m_impulse+=l,b.SelfMulAdd(this.m_mA*l,this.m_JvAC),c+=this.m_iA*l*this.m_JwA,d.SelfMulAdd(this.m_mB*l,this.m_JvBD),e+=this.m_iB*l*this.m_JwB,f.SelfMulSub(this.m_mC*l,this.m_JvAC),g-=this.m_iC*l*this.m_JwC,h.SelfMulSub(this.m_mD*l,this.m_JvBD),k-=this.m_iD*l*this.m_JwD,a.velocities[this.m_indexA].w=c,a.velocities[this.m_indexB].w=e,a.velocities[this.m_indexC].w=g,a.velocities[this.m_indexD].w=k},box2d.b2GearJoint.prototype.SolvePositionConstraints=function(a){var u,t,b=a.positions[this.m_indexA].c,c=a.positions[this.m_indexA].a,d=a.positions[this.m_indexB].c,e=a.positions[this.m_indexB].a,f=a.positions[this.m_indexC].c,g=a.positions[this.m_indexC].a,h=a.positions[this.m_indexD].c,k=a.positions[this.m_indexD].a,l=this.m_qA.SetAngle(c),m=this.m_qB.SetAngle(e),n=this.m_qC.SetAngle(g),p=this.m_qD.SetAngle(k),q=this.m_JvAC,r=this.m_JvBD,w=0;if(this.m_typeA===box2d.b2JointType.e_revoluteJoint)q.SetZero(),l=u=1,w+=this.m_iA+this.m_iC,n=c-g-this.m_referenceAngleA;else{t=box2d.b2Mul_R_V2(n,this.m_localAxisC,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_u),u=box2d.b2Mul_R_V2(n,this.m_lalcC,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rC);var x=box2d.b2Mul_R_V2(l,this.m_lalcA,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rA);q.Copy(t),l=box2d.b2Cross_V2_V2(u,t),u=box2d.b2Cross_V2_V2(x,t),w+=this.m_mC+this.m_mA+this.m_iC*l*l+this.m_iA*u*u,t=this.m_lalcC,n=box2d.b2MulT_R_V2(n,box2d.b2Add_V2_V2(x,box2d.b2Sub_V2_V2(b,f,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),n=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(n,t,box2d.b2Vec2.s_t0),this.m_localAxisC)}if(this.m_typeB===box2d.b2JointType.e_revoluteJoint)r.SetZero(),m=t=this.m_ratio,w+=this.m_ratio*this.m_ratio*(this.m_iB+this.m_iD),p=e-k-this.m_referenceAngleB;else{t=box2d.b2Mul_R_V2(p,this.m_localAxisD,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_u);var v=box2d.b2Mul_R_V2(p,this.m_lalcD,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rD);x=box2d.b2Mul_R_V2(m,this.m_lalcB,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rB);box2d.b2Mul_S_V2(this.m_ratio,t,r),m=this.m_ratio*box2d.b2Cross_V2_V2(v,t),t=this.m_ratio*box2d.b2Cross_V2_V2(x,t),w+=this.m_ratio*this.m_ratio*(this.m_mD+this.m_mB)+this.m_iD*m*m+this.m_iB*t*t,v=this.m_lalcD,p=box2d.b2MulT_R_V2(p,box2d.b2Add_V2_V2(x,box2d.b2Sub_V2_V2(d,h,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),p=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(p,v,box2d.b2Vec2.s_t0),this.m_localAxisD)}return p=n+this.m_ratio*p-this.m_constant,n=0,0<w&&(n=-p/w),b.SelfMulAdd(this.m_mA*n,q),c+=this.m_iA*n*u,d.SelfMulAdd(this.m_mB*n,r),e+=this.m_iB*n*t,f.SelfMulSub(this.m_mC*n,q),g-=this.m_iC*n*l,h.SelfMulSub(this.m_mD*n,r),k-=this.m_iD*n*m,a.positions[this.m_indexA].a=c,a.positions[this.m_indexB].a=e,a.positions[this.m_indexC].a=g,a.positions[this.m_indexD].a=k,0<box2d.b2_linearSlop},goog.exportProperty(box2d.b2GearJoint.prototype,"SolvePositionConstraints",box2d.b2GearJoint.prototype.SolvePositionConstraints),box2d.b2GearJoint.prototype.SolvePositionConstraints.s_u=new box2d.b2Vec2,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rA=new box2d.b2Vec2,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rB=new box2d.b2Vec2,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rC=new box2d.b2Vec2,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rD=new box2d.b2Vec2,box2d.b2GearJoint.prototype.GetAnchorA=function(a){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,a)},goog.exportProperty(box2d.b2GearJoint.prototype,"GetAnchorA",box2d.b2GearJoint.prototype.GetAnchorA),box2d.b2GearJoint.prototype.GetAnchorB=function(a){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,a)},goog.exportProperty(box2d.b2GearJoint.prototype,"GetAnchorB",box2d.b2GearJoint.prototype.GetAnchorB),box2d.b2GearJoint.prototype.GetReactionForce=function(a,b){return box2d.b2Mul_S_V2(a*this.m_impulse,this.m_JvAC,b)},goog.exportProperty(box2d.b2GearJoint.prototype,"GetReactionForce",box2d.b2GearJoint.prototype.GetReactionForce),box2d.b2GearJoint.prototype.GetReactionTorque=function(a){return a*this.m_impulse*this.m_JwA},goog.exportProperty(box2d.b2GearJoint.prototype,"GetReactionTorque",box2d.b2GearJoint.prototype.GetReactionTorque),box2d.b2GearJoint.prototype.GetJoint1=function(){return this.m_joint1},goog.exportProperty(box2d.b2GearJoint.prototype,"GetJoint1",box2d.b2GearJoint.prototype.GetJoint1),box2d.b2GearJoint.prototype.GetJoint2=function(){return this.m_joint2},goog.exportProperty(box2d.b2GearJoint.prototype,"GetJoint2",box2d.b2GearJoint.prototype.GetJoint2),box2d.b2GearJoint.prototype.GetRatio=function(){return this.m_ratio},goog.exportProperty(box2d.b2GearJoint.prototype,"GetRatio",box2d.b2GearJoint.prototype.GetRatio),box2d.b2GearJoint.prototype.SetRatio=function(a){box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(a)),this.m_ratio=a},goog.exportProperty(box2d.b2GearJoint.prototype,"SetRatio",box2d.b2GearJoint.prototype.SetRatio),box2d.b2GearJoint.prototype.Dump=function(){if(box2d.DEBUG){var a=this.m_bodyA.m_islandIndex,b=this.m_bodyB.m_islandIndex,c=this.m_joint1.m_index,d=this.m_joint2.m_index;box2d.b2Log("  /*box2d.b2GearJointDef*/ var jd = new box2d.b2GearJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",a),box2d.b2Log("  jd.bodyB = bodies[%d];\n",b),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.joint1 = joints[%d];\n",c),box2d.b2Log("  jd.joint2 = joints[%d];\n",d),box2d.b2Log("  jd.ratio = %.15f;\n",this.m_ratio),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2GearJoint.prototype,"Dump",box2d.b2GearJoint.prototype.Dump),box2d.b2RopeJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_ropeJoint),this.localAnchorA=new box2d.b2Vec2(-1,0),this.localAnchorB=new box2d.b2Vec2(1,0)},goog.inherits(box2d.b2RopeJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2RopeJointDef",box2d.b2RopeJointDef),box2d.b2RopeJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2RopeJointDef.prototype,"localAnchorA",box2d.b2RopeJointDef.prototype.localAnchorA),box2d.b2RopeJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2RopeJointDef.prototype,"localAnchorB",box2d.b2RopeJointDef.prototype.localAnchorB),box2d.b2RopeJointDef.prototype.maxLength=0,goog.exportProperty(box2d.b2RopeJointDef.prototype,"maxLength",box2d.b2RopeJointDef.prototype.maxLength),box2d.b2RopeJoint=function(a){box2d.b2Joint.call(this,a),this.m_localAnchorA=a.localAnchorA.Clone(),this.m_localAnchorB=a.localAnchorB.Clone(),this.m_maxLength=a.maxLength,this.m_u=new box2d.b2Vec2,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2},goog.inherits(box2d.b2RopeJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2RopeJoint",box2d.b2RopeJoint),box2d.b2RopeJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_localAnchorA",box2d.b2RopeJoint.prototype.m_localAnchorA),box2d.b2RopeJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_localAnchorB",box2d.b2RopeJoint.prototype.m_localAnchorB),box2d.b2RopeJoint.prototype.m_maxLength=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_maxLength",box2d.b2RopeJoint.prototype.m_maxLength),box2d.b2RopeJoint.prototype.m_length=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_length",box2d.b2RopeJoint.prototype.m_length),box2d.b2RopeJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_impulse",box2d.b2RopeJoint.prototype.m_impulse),box2d.b2RopeJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_indexA",box2d.b2RopeJoint.prototype.m_indexA),box2d.b2RopeJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_indexB",box2d.b2RopeJoint.prototype.m_indexB),box2d.b2RopeJoint.prototype.m_u=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_u",box2d.b2RopeJoint.prototype.m_u),box2d.b2RopeJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_rA",box2d.b2RopeJoint.prototype.m_rA),box2d.b2RopeJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_rB",box2d.b2RopeJoint.prototype.m_rB),box2d.b2RopeJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_localCenterA",box2d.b2RopeJoint.prototype.m_localCenterA),box2d.b2RopeJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_localCenterB",box2d.b2RopeJoint.prototype.m_localCenterB),box2d.b2RopeJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_invMassA",box2d.b2RopeJoint.prototype.m_invMassA),box2d.b2RopeJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_invMassB",box2d.b2RopeJoint.prototype.m_invMassB),box2d.b2RopeJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_invIA",box2d.b2RopeJoint.prototype.m_invIA),box2d.b2RopeJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_invIB",box2d.b2RopeJoint.prototype.m_invIB),box2d.b2RopeJoint.prototype.m_mass=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_mass",box2d.b2RopeJoint.prototype.m_mass),box2d.b2RopeJoint.prototype.m_state=box2d.b2LimitState.e_inactiveLimit,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_state",box2d.b2RopeJoint.prototype.m_state),box2d.b2RopeJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_qA",box2d.b2RopeJoint.prototype.m_qA),box2d.b2RopeJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_qB",box2d.b2RopeJoint.prototype.m_qB),box2d.b2RopeJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_lalcA",box2d.b2RopeJoint.prototype.m_lalcA),box2d.b2RopeJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_lalcB",box2d.b2RopeJoint.prototype.m_lalcB),box2d.b2RopeJoint.prototype.InitVelocityConstraints=function(a){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var b=a.positions[this.m_indexA].c,c=a.velocities[this.m_indexA].v,d=a.velocities[this.m_indexA].w,e=a.positions[this.m_indexB].c,f=a.positions[this.m_indexB].a,g=a.velocities[this.m_indexB].v,h=a.velocities[this.m_indexB].w,k=this.m_qA.SetAngle(a.positions[this.m_indexA].a);f=this.m_qB.SetAngle(f);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),box2d.b2Mul_R_V2(k,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(f,this.m_lalcB,this.m_rB),this.m_u.Copy(e).SelfAdd(this.m_rB).SelfSub(b).SelfSub(this.m_rA),this.m_length=this.m_u.Length(),this.m_state=0<this.m_length-this.m_maxLength?box2d.b2LimitState.e_atUpperLimit:box2d.b2LimitState.e_inactiveLimit,this.m_length>box2d.b2_linearSlop?(this.m_u.SelfMul(1/this.m_length),b=box2d.b2Cross_V2_V2(this.m_rA,this.m_u),e=box2d.b2Cross_V2_V2(this.m_rB,this.m_u),b=this.m_invMassA+this.m_invIA*b*b+this.m_invMassB+this.m_invIB*e*e,this.m_mass=0!==b?1/b:0,a.step.warmStarting?(this.m_impulse*=a.step.dtRatio,b=box2d.b2Mul_S_V2(this.m_impulse,this.m_u,box2d.b2RopeJoint.prototype.InitVelocityConstraints.s_P),c.SelfMulSub(this.m_invMassA,b),d-=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,b),g.SelfMulAdd(this.m_invMassB,b),h+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,b)):this.m_impulse=0,a.velocities[this.m_indexA].w=d,a.velocities[this.m_indexB].w=h):(this.m_u.SetZero(),this.m_impulse=this.m_mass=0)},goog.exportProperty(box2d.b2RopeJoint.prototype,"InitVelocityConstraints",box2d.b2RopeJoint.prototype.InitVelocityConstraints),box2d.b2RopeJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2RopeJoint.prototype.SolveVelocityConstraints=function(a){var b=a.velocities[this.m_indexA].v,c=a.velocities[this.m_indexA].w,d=a.velocities[this.m_indexB].v,e=a.velocities[this.m_indexB].w,f=box2d.b2AddCross_V2_S_V2(b,c,this.m_rA,box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_vpA),g=box2d.b2AddCross_V2_S_V2(d,e,this.m_rB,box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_vpB),h=this.m_length-this.m_maxLength;f=box2d.b2Dot_V2_V2(this.m_u,box2d.b2Sub_V2_V2(g,f,box2d.b2Vec2.s_t0));0>h&&(f+=a.step.inv_dt*h),h=-this.m_mass*f,f=this.m_impulse,this.m_impulse=box2d.b2Min(0,this.m_impulse+h),h=this.m_impulse-f,h=box2d.b2Mul_S_V2(h,this.m_u,box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_P),b.SelfMulSub(this.m_invMassA,h),c-=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,h),d.SelfMulAdd(this.m_invMassB,h),e+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,h),a.velocities[this.m_indexA].w=c,a.velocities[this.m_indexB].w=e},goog.exportProperty(box2d.b2RopeJoint.prototype,"SolveVelocityConstraints",box2d.b2RopeJoint.prototype.SolveVelocityConstraints),box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_vpA=new box2d.b2Vec2,box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_vpB=new box2d.b2Vec2,box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2RopeJoint.prototype.SolvePositionConstraints=function(a){var b=a.positions[this.m_indexA].c,c=a.positions[this.m_indexA].a,d=a.positions[this.m_indexB].c,e=a.positions[this.m_indexB].a,f=this.m_qA.SetAngle(c),g=this.m_qB.SetAngle(e);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),f=box2d.b2Mul_R_V2(f,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);g=box2d.b2Mul_R_V2(g,this.m_lalcB,this.m_rB);var k=(h=this.m_u.Copy(d).SelfAdd(g).SelfSub(b).SelfSub(f)).Normalize(),l=k-this.m_maxLength,h=(l=box2d.b2Clamp(l,0,box2d.b2_maxLinearCorrection),box2d.b2Mul_S_V2(-this.m_mass*l,h,box2d.b2RopeJoint.prototype.SolvePositionConstraints.s_P));return b.SelfMulSub(this.m_invMassA,h),c-=this.m_invIA*box2d.b2Cross_V2_V2(f,h),d.SelfMulAdd(this.m_invMassB,h),e+=this.m_invIB*box2d.b2Cross_V2_V2(g,h),a.positions[this.m_indexA].a=c,a.positions[this.m_indexB].a=e,k-this.m_maxLength<box2d.b2_linearSlop},goog.exportProperty(box2d.b2RopeJoint.prototype,"SolvePositionConstraints",box2d.b2RopeJoint.prototype.SolvePositionConstraints),box2d.b2RopeJoint.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2RopeJoint.prototype.GetAnchorA=function(a){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,a)},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetAnchorA",box2d.b2RopeJoint.prototype.GetAnchorA),box2d.b2RopeJoint.prototype.GetAnchorB=function(a){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,a)},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetAnchorB",box2d.b2RopeJoint.prototype.GetAnchorB),box2d.b2RopeJoint.prototype.GetReactionForce=function(a,b){return box2d.b2Mul_S_V2(a*this.m_impulse,this.m_u,b)},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetReactionForce",box2d.b2RopeJoint.prototype.GetReactionForce),box2d.b2RopeJoint.prototype.GetReactionTorque=function(a){return 0},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetReactionTorque",box2d.b2RopeJoint.prototype.GetReactionTorque),box2d.b2RopeJoint.prototype.GetLocalAnchorA=function(a){return a.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetLocalAnchorA",box2d.b2RopeJoint.prototype.GetLocalAnchorA),box2d.b2RopeJoint.prototype.GetLocalAnchorB=function(a){return a.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetLocalAnchorB",box2d.b2RopeJoint.prototype.GetLocalAnchorB),box2d.b2RopeJoint.prototype.SetMaxLength=function(a){this.m_maxLength=a},goog.exportProperty(box2d.b2RopeJoint.prototype,"SetMaxLength",box2d.b2RopeJoint.prototype.SetMaxLength),box2d.b2RopeJoint.prototype.GetMaxLength=function(){return this.m_maxLength},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetMaxLength",box2d.b2RopeJoint.prototype.GetMaxLength),box2d.b2RopeJoint.prototype.GetLimitState=function(){return this.m_state},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetLimitState",box2d.b2RopeJoint.prototype.GetLimitState),box2d.b2RopeJoint.prototype.Dump=function(){if(box2d.DEBUG){var a=this.m_bodyA.m_islandIndex,b=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2RopeJointDef*/ var jd = new box2d.b2RopeJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",a),box2d.b2Log("  jd.bodyB = bodies[%d];\n",b),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.maxLength = %.15f;\n",this.m_maxLength),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2RopeJoint.prototype,"Dump",box2d.b2RopeJoint.prototype.Dump),box2d.b2WeldJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_weldJoint),this.localAnchorA=new box2d.b2Vec2,this.localAnchorB=new box2d.b2Vec2},goog.inherits(box2d.b2WeldJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2WeldJointDef",box2d.b2WeldJointDef),box2d.b2WeldJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2WeldJointDef.prototype,"localAnchorA",box2d.b2WeldJointDef.prototype.localAnchorA),box2d.b2WeldJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2WeldJointDef.prototype,"localAnchorB",box2d.b2WeldJointDef.prototype.localAnchorB),box2d.b2WeldJointDef.prototype.referenceAngle=0,goog.exportProperty(box2d.b2WeldJointDef.prototype,"referenceAngle",box2d.b2WeldJointDef.prototype.referenceAngle),box2d.b2WeldJointDef.prototype.frequencyHz=0,goog.exportProperty(box2d.b2WeldJointDef.prototype,"frequencyHz",box2d.b2WeldJointDef.prototype.frequencyHz),box2d.b2WeldJointDef.prototype.dampingRatio=0,goog.exportProperty(box2d.b2WeldJointDef.prototype,"dampingRatio",box2d.b2WeldJointDef.prototype.dampingRatio),box2d.b2WeldJointDef.prototype.Initialize=function(a,b,c){this.bodyA=a,this.bodyB=b,this.bodyA.GetLocalPoint(c,this.localAnchorA),this.bodyB.GetLocalPoint(c,this.localAnchorB),this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()},goog.exportProperty(box2d.b2WeldJointDef.prototype,"Initialize",box2d.b2WeldJointDef.prototype.Initialize),box2d.b2WeldJoint=function(a){box2d.b2Joint.call(this,a),this.m_frequencyHz=a.frequencyHz,this.m_dampingRatio=a.dampingRatio,this.m_localAnchorA=a.localAnchorA.Clone(),this.m_localAnchorB=a.localAnchorB.Clone(),this.m_referenceAngle=a.referenceAngle,this.m_impulse=new box2d.b2Vec3(0,0,0),this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_mass=new box2d.b2Mat33,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_K=new box2d.b2Mat33},goog.inherits(box2d.b2WeldJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2WeldJoint",box2d.b2WeldJoint),box2d.b2WeldJoint.prototype.m_frequencyHz=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_frequencyHz",box2d.b2WeldJoint.prototype.m_frequencyHz),box2d.b2WeldJoint.prototype.m_dampingRatio=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_dampingRatio",box2d.b2WeldJoint.prototype.m_dampingRatio),box2d.b2WeldJoint.prototype.m_bias=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_bias",box2d.b2WeldJoint.prototype.m_bias),box2d.b2WeldJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_localAnchorA",box2d.b2WeldJoint.prototype.m_localAnchorA),box2d.b2WeldJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_localAnchorB",box2d.b2WeldJoint.prototype.m_localAnchorB),box2d.b2WeldJoint.prototype.m_referenceAngle=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_referenceAngle",box2d.b2WeldJoint.prototype.m_referenceAngle),box2d.b2WeldJoint.prototype.m_gamma=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_gamma",box2d.b2WeldJoint.prototype.m_gamma),box2d.b2WeldJoint.prototype.m_impulse=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_impulse",box2d.b2WeldJoint.prototype.m_impulse),box2d.b2WeldJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_indexA",box2d.b2WeldJoint.prototype.m_indexA),box2d.b2WeldJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_indexB",box2d.b2WeldJoint.prototype.m_indexB),box2d.b2WeldJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_rA",box2d.b2WeldJoint.prototype.m_rA),box2d.b2WeldJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_rB",box2d.b2WeldJoint.prototype.m_rB),box2d.b2WeldJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_localCenterA",box2d.b2WeldJoint.prototype.m_localCenterA),box2d.b2WeldJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_localCenterB",box2d.b2WeldJoint.prototype.m_localCenterB),box2d.b2WeldJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_invMassA",box2d.b2WeldJoint.prototype.m_invMassA),box2d.b2WeldJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_invMassB",box2d.b2WeldJoint.prototype.m_invMassB),box2d.b2WeldJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_invIA",box2d.b2WeldJoint.prototype.m_invIA),box2d.b2WeldJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_invIB",box2d.b2WeldJoint.prototype.m_invIB),box2d.b2WeldJoint.prototype.m_mass=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_mass",box2d.b2WeldJoint.prototype.m_mass),box2d.b2WeldJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_qA",box2d.b2WeldJoint.prototype.m_qA),box2d.b2WeldJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_qB",box2d.b2WeldJoint.prototype.m_qB),box2d.b2WeldJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_lalcA",box2d.b2WeldJoint.prototype.m_lalcA),box2d.b2WeldJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_lalcB",box2d.b2WeldJoint.prototype.m_lalcB),box2d.b2WeldJoint.prototype.m_K=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_K",box2d.b2WeldJoint.prototype.m_K),box2d.b2WeldJoint.prototype.InitVelocityConstraints=function(a){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var b=a.positions[this.m_indexA].a,c=a.velocities[this.m_indexA].v,d=a.velocities[this.m_indexA].w,e=a.positions[this.m_indexB].a,f=a.velocities[this.m_indexB].v,g=a.velocities[this.m_indexB].w,h=this.m_qA.SetAngle(b),k=this.m_qB.SetAngle(e);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),box2d.b2Mul_R_V2(h,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(k,this.m_lalcB,this.m_rB);h=this.m_invMassA,k=this.m_invMassB;var l=this.m_invIA,m=this.m_invIB;if((n=this.m_K).ex.x=h+k+this.m_rA.y*this.m_rA.y*l+this.m_rB.y*this.m_rB.y*m,n.ey.x=-this.m_rA.y*this.m_rA.x*l-this.m_rB.y*this.m_rB.x*m,n.ez.x=-this.m_rA.y*l-this.m_rB.y*m,n.ex.y=n.ey.x,n.ey.y=h+k+this.m_rA.x*this.m_rA.x*l+this.m_rB.x*this.m_rB.x*m,n.ez.y=this.m_rA.x*l+this.m_rB.x*m,n.ex.z=n.ez.x,n.ey.z=n.ez.y,n.ez.z=l+m,0<this.m_frequencyHz){n.GetInverse22(this.m_mass);var n,p=0<(n=l+m)?1/n:0,q=(b=e-b-this.m_referenceAngle,p*(e=2*box2d.b2_pi*this.m_frequencyHz)*e),r=a.step.dt;this.m_gamma=r*(2*p*this.m_dampingRatio*e+r*q),this.m_gamma=0!==this.m_gamma?1/this.m_gamma:0,this.m_bias=b*r*q*this.m_gamma,n+=this.m_gamma,this.m_mass.ez.z=0!==n?1/n:0}else 0===n.ez.z?n.GetInverse22(this.m_mass):n.GetSymInverse33(this.m_mass),this.m_bias=this.m_gamma=0;a.step.warmStarting?(this.m_impulse.SelfMulScalar(a.step.dtRatio),n=box2d.b2WeldJoint.prototype.InitVelocityConstraints.s_P.Set(this.m_impulse.x,this.m_impulse.y),c.SelfMulSub(h,n),d-=l*(box2d.b2Cross_V2_V2(this.m_rA,n)+this.m_impulse.z),f.SelfMulAdd(k,n),g+=m*(box2d.b2Cross_V2_V2(this.m_rB,n)+this.m_impulse.z)):this.m_impulse.SetZero(),a.velocities[this.m_indexA].w=d,a.velocities[this.m_indexB].w=g},box2d.b2WeldJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolveVelocityConstraints=function(a){var b=a.velocities[this.m_indexA].v,c=a.velocities[this.m_indexA].w,d=a.velocities[this.m_indexB].v,e=a.velocities[this.m_indexB].w,f=this.m_invMassA,g=this.m_invMassB,h=this.m_invIA,k=this.m_invIB;if(0<this.m_frequencyHz){var l=-this.m_mass.ez.z*(e-c+this.m_bias+this.m_gamma*this.m_impulse.z);this.m_impulse.z+=l,c-=h*l,e+=k*l,l=box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(d,e,this.m_rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(b,c,this.m_rA,box2d.b2Vec2.s_t1),box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_Cdot1),l=box2d.b2Mul_M33_X_Y(this.m_mass,l.x,l.y,box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_impulse1).SelfNeg(),this.m_impulse.x+=l.x,this.m_impulse.y+=l.y,b.SelfMulSub(f,l),c-=h*box2d.b2Cross_V2_V2(this.m_rA,l),d.SelfMulAdd(g,l),e+=k*box2d.b2Cross_V2_V2(this.m_rB,l)}else{l=box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(d,e,this.m_rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(b,c,this.m_rA,box2d.b2Vec2.s_t1),box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_Cdot1);var m=box2d.b2Mul_M33_X_Y_Z(this.m_mass,l.x,l.y,e-c,box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_impulse).SelfNeg();this.m_impulse.SelfAdd(m),l=box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_P.Set(m.x,m.y),b.SelfMulSub(f,l),c-=h*(box2d.b2Cross_V2_V2(this.m_rA,l)+m.z),d.SelfMulAdd(g,l),e+=k*(box2d.b2Cross_V2_V2(this.m_rB,l)+m.z)}a.velocities[this.m_indexA].w=c,a.velocities[this.m_indexB].w=e},goog.exportProperty(box2d.b2WeldJoint.prototype,"SolveVelocityConstraints",box2d.b2WeldJoint.prototype.SolveVelocityConstraints),box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_Cdot1=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_impulse1=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_impulse=new box2d.b2Vec3,box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolvePositionConstraints=function(a){var b=a.positions[this.m_indexA].c,c=a.positions[this.m_indexA].a,d=a.positions[this.m_indexB].c,e=a.positions[this.m_indexB].a,f=this.m_qA.SetAngle(c),g=this.m_qB.SetAngle(e),h=this.m_invMassA,k=this.m_invMassB,l=this.m_invIA,m=this.m_invIB;box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA);var n=box2d.b2Mul_R_V2(f,this.m_lalcA,this.m_rA);box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);var p=box2d.b2Mul_R_V2(g,this.m_lalcB,this.m_rB);if((q=this.m_K).ex.x=h+k+n.y*n.y*l+p.y*p.y*m,q.ey.x=-n.y*n.x*l-p.y*p.x*m,q.ez.x=-n.y*l-p.y*m,q.ex.y=q.ey.x,q.ey.y=h+k+n.x*n.x*l+p.x*p.x*m,q.ez.y=n.x*l+p.x*m,q.ex.z=q.ez.x,q.ey.z=q.ez.y,q.ez.z=l+m,0<this.m_frequencyHz){var r=box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(d,p,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(b,n,box2d.b2Vec2.s_t1),box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_C1),q=(g=r.Length(),f=0,q.Solve22(r.x,r.y,box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_P).SelfNeg());b.SelfMulSub(h,q),c-=l*box2d.b2Cross_V2_V2(n,q),d.SelfMulAdd(k,q),e+=m*box2d.b2Cross_V2_V2(p,q)}else r=box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(d,p,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(b,n,box2d.b2Vec2.s_t1),box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_C1),p=e-c-this.m_referenceAngle,g=r.Length(),f=box2d.b2Abs(p),n=box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_impulse,0<q.ez.z?q.Solve33(r.x,r.y,p,n).SelfNeg():(q=q.Solve22(r.x,r.y,box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_impulse2).SelfNeg(),n.x=q.x,n.y=q.y,n.z=0),q=box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_P.Set(n.x,n.y),b.SelfMulSub(h,q),c-=l*(box2d.b2Cross_V2_V2(this.m_rA,q)+n.z),d.SelfMulAdd(k,q),e+=m*(box2d.b2Cross_V2_V2(this.m_rB,q)+n.z);return a.positions[this.m_indexA].a=c,a.positions[this.m_indexB].a=e,g<=box2d.b2_linearSlop&&f<=box2d.b2_angularSlop},goog.exportProperty(box2d.b2WeldJoint.prototype,"SolvePositionConstraints",box2d.b2WeldJoint.prototype.SolvePositionConstraints);box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_C1=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_impulse=new box2d.b2Vec3,box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_impulse2=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.GetAnchorA=function(a){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,a)},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetAnchorA",box2d.b2WeldJoint.prototype.GetAnchorA),box2d.b2WeldJoint.prototype.GetAnchorB=function(a){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,a)},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetAnchorB",box2d.b2WeldJoint.prototype.GetAnchorB),box2d.b2WeldJoint.prototype.GetReactionForce=function(a,b){return b.Set(a*this.m_impulse.x,a*this.m_impulse.y)},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetReactionForce",box2d.b2WeldJoint.prototype.GetReactionForce),box2d.b2WeldJoint.prototype.GetReactionTorque=function(a){return a*this.m_impulse.z},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetReactionTorque",box2d.b2WeldJoint.prototype.GetReactionTorque),box2d.b2WeldJoint.prototype.GetLocalAnchorA=function(a){return a.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetLocalAnchorA",box2d.b2WeldJoint.prototype.GetLocalAnchorA),box2d.b2WeldJoint.prototype.GetLocalAnchorB=function(a){return a.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetLocalAnchorB",box2d.b2WeldJoint.prototype.GetLocalAnchorB),box2d.b2WeldJoint.prototype.GetReferenceAngle=function(){return this.m_referenceAngle},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetReferenceAngle",box2d.b2WeldJoint.prototype.GetReferenceAngle),box2d.b2WeldJoint.prototype.SetFrequency=function(a){this.m_frequencyHz=a},box2d.b2WeldJoint.prototype.GetFrequency=function(){return this.m_frequencyHz},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetFrequency",box2d.b2WeldJoint.prototype.GetFrequency),box2d.b2WeldJoint.prototype.SetDampingRatio=function(a){this.m_dampingRatio=a},box2d.b2WeldJoint.prototype.GetDampingRatio=function(){return this.m_dampingRatio},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetDampingRatio",box2d.b2WeldJoint.prototype.GetDampingRatio),box2d.b2WeldJoint.prototype.Dump=function(){if(box2d.DEBUG){var a=this.m_bodyA.m_islandIndex,b=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2WeldJointDef*/ var jd = new box2d.b2WeldJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",a),box2d.b2Log("  jd.bodyB = bodies[%d];\n",b),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.referenceAngle = %.15f;\n",this.m_referenceAngle),box2d.b2Log("  jd.frequencyHz = %.15f;\n",this.m_frequencyHz),box2d.b2Log("  jd.dampingRatio = %.15f;\n",this.m_dampingRatio),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2WeldJoint.prototype,"Dump",box2d.b2WeldJoint.prototype.Dump),box2d.b2WheelJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_wheelJoint),this.localAnchorA=new box2d.b2Vec2(0,0),this.localAnchorB=new box2d.b2Vec2(0,0),this.localAxisA=new box2d.b2Vec2(1,0)},goog.inherits(box2d.b2WheelJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2WheelJointDef",box2d.b2WheelJointDef),box2d.b2WheelJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2WheelJointDef.prototype,"localAnchorA",box2d.b2WheelJointDef.prototype.localAnchorA),box2d.b2WheelJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2WheelJointDef.prototype,"localAnchorB",box2d.b2WheelJointDef.prototype.localAnchorB),box2d.b2WheelJointDef.prototype.localAxisA=null,goog.exportProperty(box2d.b2WheelJointDef.prototype,"localAxisA",box2d.b2WheelJointDef.prototype.localAxisA),box2d.b2WheelJointDef.prototype.enableMotor=!1,goog.exportProperty(box2d.b2WheelJointDef.prototype,"enableMotor",box2d.b2WheelJointDef.prototype.enableMotor),box2d.b2WheelJointDef.prototype.maxMotorTorque=0,goog.exportProperty(box2d.b2WheelJointDef.prototype,"maxMotorTorque",box2d.b2WheelJointDef.prototype.maxMotorTorque),box2d.b2WheelJointDef.prototype.motorSpeed=0,goog.exportProperty(box2d.b2WheelJointDef.prototype,"motorSpeed",box2d.b2WheelJointDef.prototype.motorSpeed),box2d.b2WheelJointDef.prototype.frequencyHz=2,goog.exportProperty(box2d.b2WheelJointDef.prototype,"frequencyHz",box2d.b2WheelJointDef.prototype.frequencyHz),box2d.b2WheelJointDef.prototype.dampingRatio=.7,goog.exportProperty(box2d.b2WheelJointDef.prototype,"dampingRatio",box2d.b2WheelJointDef.prototype.dampingRatio),box2d.b2WheelJointDef.prototype.Initialize=function(a,b,c,d){this.bodyA=a,this.bodyB=b,this.bodyA.GetLocalPoint(c,this.localAnchorA),this.bodyB.GetLocalPoint(c,this.localAnchorB),this.bodyA.GetLocalVector(d,this.localAxisA)},goog.exportProperty(box2d.b2WheelJointDef.prototype,"Initialize",box2d.b2WheelJointDef.prototype.Initialize),box2d.b2WheelJoint=function(a){box2d.b2Joint.call(this,a),this.m_frequencyHz=a.frequencyHz,this.m_dampingRatio=a.dampingRatio,this.m_localAnchorA=a.localAnchorA.Clone(),this.m_localAnchorB=a.localAnchorB.Clone(),this.m_localXAxisA=a.localAxisA.Clone(),this.m_localYAxisA=box2d.b2Cross_S_V2(1,this.m_localXAxisA,new box2d.b2Vec2),this.m_maxMotorTorque=a.maxMotorTorque,this.m_motorSpeed=a.motorSpeed,this.m_enableMotor=a.enableMotor,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_ax=new box2d.b2Vec2,this.m_ay=new box2d.b2Vec2,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_ax.SetZero(),this.m_ay.SetZero()},goog.inherits(box2d.b2WheelJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2WheelJoint",box2d.b2WheelJoint),box2d.b2WheelJoint.prototype.m_frequencyHz=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_frequencyHz",box2d.b2WheelJoint.prototype.m_frequencyHz),box2d.b2WheelJoint.prototype.m_dampingRatio=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_dampingRatio",box2d.b2WheelJoint.prototype.m_dampingRatio),box2d.b2WheelJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localAnchorA",box2d.b2WheelJoint.prototype.m_localAnchorA),box2d.b2WheelJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localAnchorB",box2d.b2WheelJoint.prototype.m_localAnchorB),box2d.b2WheelJoint.prototype.m_localXAxisA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localXAxisA",box2d.b2WheelJoint.prototype.m_localXAxisA),box2d.b2WheelJoint.prototype.m_localYAxisA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localYAxisA",box2d.b2WheelJoint.prototype.m_localYAxisA),box2d.b2WheelJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_impulse",box2d.b2WheelJoint.prototype.m_impulse),box2d.b2WheelJoint.prototype.m_motorImpulse=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_motorImpulse",box2d.b2WheelJoint.prototype.m_motorImpulse),box2d.b2WheelJoint.prototype.m_springImpulse=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_springImpulse",box2d.b2WheelJoint.prototype.m_springImpulse),box2d.b2WheelJoint.prototype.m_maxMotorTorque=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_maxMotorTorque",box2d.b2WheelJoint.prototype.m_maxMotorTorque),box2d.b2WheelJoint.prototype.m_motorSpeed=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_motorSpeed",box2d.b2WheelJoint.prototype.m_motorSpeed),box2d.b2WheelJoint.prototype.m_enableMotor=!1,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_enableMotor",box2d.b2WheelJoint.prototype.m_enableMotor),box2d.b2WheelJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_indexA",box2d.b2WheelJoint.prototype.m_indexA),box2d.b2WheelJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_indexB",box2d.b2WheelJoint.prototype.m_indexB),box2d.b2WheelJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localCenterA",box2d.b2WheelJoint.prototype.m_localCenterA),box2d.b2WheelJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localCenterB",box2d.b2WheelJoint.prototype.m_localCenterB),box2d.b2WheelJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_invMassA",box2d.b2WheelJoint.prototype.m_invMassA),box2d.b2WheelJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_invMassB",box2d.b2WheelJoint.prototype.m_invMassB),box2d.b2WheelJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_invIA",box2d.b2WheelJoint.prototype.m_invIA),box2d.b2WheelJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_invIB",box2d.b2WheelJoint.prototype.m_invIB),box2d.b2WheelJoint.prototype.m_ax=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_ax",box2d.b2WheelJoint.prototype.m_ax),box2d.b2WheelJoint.prototype.m_ay=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_ay",box2d.b2WheelJoint.prototype.m_ay),box2d.b2WheelJoint.prototype.m_sAx=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_sAx",box2d.b2WheelJoint.prototype.m_sAx),box2d.b2WheelJoint.prototype.m_sBx=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_sBx",box2d.b2WheelJoint.prototype.m_sBx),box2d.b2WheelJoint.prototype.m_sAy=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_sAy",box2d.b2WheelJoint.prototype.m_sAy),box2d.b2WheelJoint.prototype.m_sBy=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_sBy",box2d.b2WheelJoint.prototype.m_sBy),box2d.b2WheelJoint.prototype.m_mass=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_mass",box2d.b2WheelJoint.prototype.m_mass),box2d.b2WheelJoint.prototype.m_motorMass=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_motorMass",box2d.b2WheelJoint.prototype.m_motorMass),box2d.b2WheelJoint.prototype.m_springMass=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_springMass",box2d.b2WheelJoint.prototype.m_springMass),box2d.b2WheelJoint.prototype.m_bias=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_bias",box2d.b2WheelJoint.prototype.m_bias),box2d.b2WheelJoint.prototype.m_gamma=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_gamma",box2d.b2WheelJoint.prototype.m_gamma),box2d.b2WheelJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_qA",box2d.b2WheelJoint.prototype.m_qA),box2d.b2WheelJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_qB",box2d.b2WheelJoint.prototype.m_qB),box2d.b2WheelJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_lalcA",box2d.b2WheelJoint.prototype.m_lalcA),box2d.b2WheelJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_lalcB",box2d.b2WheelJoint.prototype.m_lalcB),box2d.b2WheelJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_rA",box2d.b2WheelJoint.prototype.m_rA),box2d.b2WheelJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_rB",box2d.b2WheelJoint.prototype.m_rB),box2d.b2WheelJoint.prototype.GetMotorSpeed=function(){return this.m_motorSpeed},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetMotorSpeed",box2d.b2WheelJoint.prototype.GetMotorSpeed),box2d.b2WheelJoint.prototype.GetMaxMotorTorque=function(){return this.m_maxMotorTorque},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetMaxMotorTorque",box2d.b2WheelJoint.prototype.GetMaxMotorTorque),box2d.b2WheelJoint.prototype.SetSpringFrequencyHz=function(a){this.m_frequencyHz=a},goog.exportProperty(box2d.b2WheelJoint.prototype,"SetSpringFrequencyHz",box2d.b2WheelJoint.prototype.SetSpringFrequencyHz),box2d.b2WheelJoint.prototype.GetSpringFrequencyHz=function(){return this.m_frequencyHz},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetSpringFrequencyHz",box2d.b2WheelJoint.prototype.GetSpringFrequencyHz),box2d.b2WheelJoint.prototype.SetSpringDampingRatio=function(a){this.m_dampingRatio=a},goog.exportProperty(box2d.b2WheelJoint.prototype,"SetSpringDampingRatio",box2d.b2WheelJoint.prototype.SetSpringDampingRatio),box2d.b2WheelJoint.prototype.GetSpringDampingRatio=function(){return this.m_dampingRatio},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetSpringDampingRatio",box2d.b2WheelJoint.prototype.GetSpringDampingRatio),box2d.b2WheelJoint.prototype.InitVelocityConstraints=function(a){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var b=this.m_invMassA,c=this.m_invMassB,d=this.m_invIA,e=this.m_invIB,f=a.positions[this.m_indexA].c,g=a.velocities[this.m_indexA].v,h=a.velocities[this.m_indexA].w,k=a.positions[this.m_indexB].c,l=a.positions[this.m_indexB].a,m=a.velocities[this.m_indexB].v,n=a.velocities[this.m_indexB].w,p=this.m_qA.SetAngle(a.positions[this.m_indexA].a),q=this.m_qB.SetAngle(l);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),l=box2d.b2Mul_R_V2(p,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),q=box2d.b2Mul_R_V2(q,this.m_lalcB,this.m_rB),f=box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(k,q,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(f,l,box2d.b2Vec2.s_t1),box2d.b2WheelJoint.prototype.InitVelocityConstraints.s_d),box2d.b2Mul_R_V2(p,this.m_localYAxisA,this.m_ay),this.m_sAy=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(f,l,box2d.b2Vec2.s_t0),this.m_ay),this.m_sBy=box2d.b2Cross_V2_V2(q,this.m_ay),this.m_mass=b+c+d*this.m_sAy*this.m_sAy+e*this.m_sBy*this.m_sBy,0<this.m_mass&&(this.m_mass=1/this.m_mass),this.m_gamma=this.m_bias=this.m_springMass=0,0<this.m_frequencyHz?(box2d.b2Mul_R_V2(p,this.m_localXAxisA,this.m_ax),this.m_sAx=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(f,l,box2d.b2Vec2.s_t0),this.m_ax),this.m_sBx=box2d.b2Cross_V2_V2(q,this.m_ax),0<(b=b+c+d*this.m_sAx*this.m_sAx+e*this.m_sBx*this.m_sBx)&&(this.m_springMass=1/b,c=box2d.b2Dot_V2_V2(f,this.m_ax),p=2*box2d.b2_pi*this.m_frequencyHz,f=this.m_springMass*p*p,k=a.step.dt,this.m_gamma=k*(2*this.m_springMass*this.m_dampingRatio*p+k*f),0<this.m_gamma&&(this.m_gamma=1/this.m_gamma),this.m_bias=c*k*f*this.m_gamma,this.m_springMass=b+this.m_gamma,0<this.m_springMass&&(this.m_springMass=1/this.m_springMass))):this.m_springImpulse=0,this.m_enableMotor?(this.m_motorMass=d+e,0<this.m_motorMass&&(this.m_motorMass=1/this.m_motorMass)):this.m_motorImpulse=this.m_motorMass=0,a.step.warmStarting?(this.m_impulse*=a.step.dtRatio,this.m_springImpulse*=a.step.dtRatio,this.m_motorImpulse*=a.step.dtRatio,d=box2d.b2Add_V2_V2(box2d.b2Mul_S_V2(this.m_impulse,this.m_ay,box2d.b2Vec2.s_t0),box2d.b2Mul_S_V2(this.m_springImpulse,this.m_ax,box2d.b2Vec2.s_t1),box2d.b2WheelJoint.prototype.InitVelocityConstraints.s_P),e=this.m_impulse*this.m_sAy+this.m_springImpulse*this.m_sAx+this.m_motorImpulse,b=this.m_impulse*this.m_sBy+this.m_springImpulse*this.m_sBx+this.m_motorImpulse,g.SelfMulSub(this.m_invMassA,d),h-=this.m_invIA*e,m.SelfMulAdd(this.m_invMassB,d),n+=this.m_invIB*b):this.m_motorImpulse=this.m_springImpulse=this.m_impulse=0,a.velocities[this.m_indexA].w=h,a.velocities[this.m_indexB].w=n},goog.exportProperty(box2d.b2WheelJoint.prototype,"InitVelocityConstraints",box2d.b2WheelJoint.prototype.InitVelocityConstraints),box2d.b2WheelJoint.prototype.InitVelocityConstraints.s_d=new box2d.b2Vec2,box2d.b2WheelJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2WheelJoint.prototype.SolveVelocityConstraints=function(a){var b=this.m_invMassA,c=this.m_invMassB,d=this.m_invIA,e=this.m_invIB,f=a.velocities[this.m_indexA].v,g=a.velocities[this.m_indexA].w,h=a.velocities[this.m_indexB].v,k=a.velocities[this.m_indexB].w,l=box2d.b2Dot_V2_V2(this.m_ax,box2d.b2Sub_V2_V2(h,f,box2d.b2Vec2.s_t0))+this.m_sBx*k-this.m_sAx*g;l=-this.m_springMass*(l+this.m_bias+this.m_gamma*this.m_springImpulse);this.m_springImpulse+=l;var m=box2d.b2Mul_S_V2(l,this.m_ax,box2d.b2WheelJoint.prototype.SolveVelocityConstraints.s_P),n=l*this.m_sAx;l*=this.m_sBx;f.SelfMulSub(b,m),g-=d*n,h.SelfMulAdd(c,m),l=(k+=e*l)-g-this.m_motorSpeed,l*=-this.m_motorMass,m=this.m_motorImpulse,n=a.step.dt*this.m_maxMotorTorque,this.m_motorImpulse=box2d.b2Clamp(this.m_motorImpulse+l,-n,n),g-=d*(l=this.m_motorImpulse-m),k+=e*l,l=box2d.b2Dot_V2_V2(this.m_ay,box2d.b2Sub_V2_V2(h,f,box2d.b2Vec2.s_t0))+this.m_sBy*k-this.m_sAy*g,l*=-this.m_mass,this.m_impulse+=l,m=box2d.b2Mul_S_V2(l,this.m_ay,box2d.b2WheelJoint.prototype.SolveVelocityConstraints.s_P),n=l*this.m_sAy,l*=this.m_sBy,f.SelfMulSub(b,m),g-=d*n,h.SelfMulAdd(c,m),a.velocities[this.m_indexA].w=g,a.velocities[this.m_indexB].w=k+e*l},goog.exportProperty(box2d.b2WheelJoint.prototype,"SolveVelocityConstraints",box2d.b2WheelJoint.prototype.SolveVelocityConstraints),box2d.b2WheelJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2WheelJoint.prototype.SolvePositionConstraints=function(a){var b=a.positions[this.m_indexA].c,c=a.positions[this.m_indexA].a,d=a.positions[this.m_indexB].c,e=a.positions[this.m_indexB].a,f=this.m_qA.SetAngle(c),g=this.m_qB.SetAngle(e);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA);var h=box2d.b2Mul_R_V2(f,this.m_lalcA,this.m_rA);box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);g=box2d.b2Mul_R_V2(g,this.m_lalcB,this.m_rB);var k=box2d.b2Add_V2_V2(box2d.b2Sub_V2_V2(d,b,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(g,h,box2d.b2Vec2.s_t1),box2d.b2WheelJoint.prototype.SolvePositionConstraints.s_d),l=(f=box2d.b2Mul_R_V2(f,this.m_localYAxisA,this.m_ay),h=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(k,h,box2d.b2Vec2.s_t0),f),g=box2d.b2Cross_V2_V2(g,f),k=box2d.b2Dot_V2_V2(k,this.m_ay),0!==(l=this.m_invMassA+this.m_invMassB+this.m_invIA*this.m_sAy*this.m_sAy+this.m_invIB*this.m_sBy*this.m_sBy)?-k/l:0);f=box2d.b2Mul_S_V2(l,f,box2d.b2WheelJoint.prototype.SolvePositionConstraints.s_P),h*=l,g*=l;return b.SelfMulSub(this.m_invMassA,f),c-=this.m_invIA*h,d.SelfMulAdd(this.m_invMassB,f),e+=this.m_invIB*g,a.positions[this.m_indexA].a=c,a.positions[this.m_indexB].a=e,box2d.b2Abs(k)<=box2d.b2_linearSlop},goog.exportProperty(box2d.b2WheelJoint.prototype,"SolvePositionConstraints",box2d.b2WheelJoint.prototype.SolvePositionConstraints),box2d.b2WheelJoint.prototype.SolvePositionConstraints.s_d=new box2d.b2Vec2,box2d.b2WheelJoint.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2WheelJoint.prototype.GetDefinition=function(a){return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),a},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetDefinition",box2d.b2WheelJoint.prototype.GetDefinition),box2d.b2WheelJoint.prototype.GetAnchorA=function(a){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,a)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetAnchorA",box2d.b2WheelJoint.prototype.GetAnchorA),box2d.b2WheelJoint.prototype.GetAnchorB=function(a){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,a)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetAnchorB",box2d.b2WheelJoint.prototype.GetAnchorB),box2d.b2WheelJoint.prototype.GetReactionForce=function(a,b){return b.x=a*(this.m_impulse*this.m_ay.x+this.m_springImpulse*this.m_ax.x),b.y=a*(this.m_impulse*this.m_ay.y+this.m_springImpulse*this.m_ax.y),b},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetReactionForce",box2d.b2WheelJoint.prototype.GetReactionForce),box2d.b2WheelJoint.prototype.GetReactionTorque=function(a){return a*this.m_motorImpulse},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetReactionTorque",box2d.b2WheelJoint.prototype.GetReactionTorque),box2d.b2WheelJoint.prototype.GetLocalAnchorA=function(a){return a.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetLocalAnchorA",box2d.b2WheelJoint.prototype.GetLocalAnchorA),box2d.b2WheelJoint.prototype.GetLocalAnchorB=function(a){return a.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetLocalAnchorB",box2d.b2WheelJoint.prototype.GetLocalAnchorB),box2d.b2WheelJoint.prototype.GetLocalAxisA=function(a){return a.Copy(this.m_localXAxisA)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetLocalAxisA",box2d.b2WheelJoint.prototype.GetLocalAxisA),box2d.b2WheelJoint.prototype.GetJointTranslation=function(){return this.GetPrismaticJointTranslation()},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetJointTranslation",box2d.b2WheelJoint.prototype.GetJointTranslation),box2d.b2WheelJoint.prototype.GetJointSpeed=function(){return this.GetRevoluteJointSpeed()},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetJointSpeed",box2d.b2WheelJoint.prototype.GetJointSpeed),box2d.b2WheelJoint.prototype.GetPrismaticJointTranslation=function(){var a=this.m_bodyA,b=this.m_bodyB,c=a.GetWorldPoint(this.m_localAnchorA,new box2d.b2Vec2);b=b.GetWorldPoint(this.m_localAnchorB,new box2d.b2Vec2),c=box2d.b2Sub_V2_V2(b,c,new box2d.b2Vec2),a=a.GetWorldVector(this.m_localXAxisA,new box2d.b2Vec2);return box2d.b2Dot_V2_V2(c,a)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetPrismaticJointTranslation",box2d.b2WheelJoint.prototype.GetPrismaticJointTranslation),box2d.b2WheelJoint.prototype.GetPrismaticJointSpeed=function(){var a=this.m_bodyA,b=this.m_bodyB;box2d.b2Sub_V2_V2(this.m_localAnchorA,a.m_sweep.localCenter,this.m_lalcA);var c=box2d.b2Mul_R_V2(a.m_xf.q,this.m_lalcA,this.m_rA);box2d.b2Sub_V2_V2(this.m_localAnchorB,b.m_sweep.localCenter,this.m_lalcB);var d=box2d.b2Mul_R_V2(b.m_xf.q,this.m_lalcB,this.m_rB),e=box2d.b2Add_V2_V2(a.m_sweep.c,c,box2d.b2Vec2.s_t0),f=box2d.b2Add_V2_V2(b.m_sweep.c,d,box2d.b2Vec2.s_t1),g=(e=box2d.b2Sub_V2_V2(f,e,box2d.b2Vec2.s_t2),f=a.GetWorldVector(this.m_localXAxisA,new box2d.b2Vec2),a.m_linearVelocity),h=b.m_linearVelocity;a=a.m_angularVelocity,b=b.m_angularVelocity;return box2d.b2Dot_V2_V2(e,box2d.b2Cross_S_V2(a,f,box2d.b2Vec2.s_t0))+box2d.b2Dot_V2_V2(f,box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(h,b,d,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(g,a,c,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0))},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetPrismaticJointSpeed",box2d.b2WheelJoint.prototype.GetPrismaticJointSpeed),box2d.b2WheelJoint.prototype.GetRevoluteJointAngle=function(){return this.m_bodyB.m_sweep.a-this.m_bodyA.m_sweep.a},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetRevoluteJointAngle",box2d.b2WheelJoint.prototype.GetRevoluteJointAngle),box2d.b2WheelJoint.prototype.GetRevoluteJointSpeed=function(){return this.m_bodyB.m_angularVelocity-this.m_bodyA.m_angularVelocity},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetRevoluteJointSpeed",box2d.b2WheelJoint.prototype.GetRevoluteJointSpeed),box2d.b2WheelJoint.prototype.IsMotorEnabled=function(){return this.m_enableMotor},goog.exportProperty(box2d.b2WheelJoint.prototype,"IsMotorEnabled",box2d.b2WheelJoint.prototype.IsMotorEnabled),box2d.b2WheelJoint.prototype.EnableMotor=function(a){this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_enableMotor=a},goog.exportProperty(box2d.b2WheelJoint.prototype,"EnableMotor",box2d.b2WheelJoint.prototype.EnableMotor),box2d.b2WheelJoint.prototype.SetMotorSpeed=function(a){this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_motorSpeed=a},goog.exportProperty(box2d.b2WheelJoint.prototype,"SetMotorSpeed",box2d.b2WheelJoint.prototype.SetMotorSpeed),box2d.b2WheelJoint.prototype.SetMaxMotorTorque=function(a){this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_maxMotorTorque=a},goog.exportProperty(box2d.b2WheelJoint.prototype,"SetMaxMotorTorque",box2d.b2WheelJoint.prototype.SetMaxMotorTorque),box2d.b2WheelJoint.prototype.GetMotorTorque=function(a){return a*this.m_motorImpulse},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetMotorTorque",box2d.b2WheelJoint.prototype.GetMotorTorque),box2d.b2WheelJoint.prototype.Dump=function(){if(box2d.DEBUG){var a=this.m_bodyA.m_islandIndex,b=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2WheelJointDef*/ var jd = new box2d.b2WheelJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",a),box2d.b2Log("  jd.bodyB = bodies[%d];\n",b),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.localAxisA.Set(%.15f, %.15f);\n",this.m_localXAxisA.x,this.m_localXAxisA.y),box2d.b2Log("  jd.enableMotor = %s;\n",this.m_enableMotor?"true":"false"),box2d.b2Log("  jd.motorSpeed = %.15f;\n",this.m_motorSpeed),box2d.b2Log("  jd.maxMotorTorque = 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instanceof box2d.b2Color)this.r=0|255*a.r,this.g=0|255*a.g,this.b=0|255*a.b,this.a=0|255*a.a;else{if(!(3<=arguments.length))throw Error();this.r=0|a||0,this.g=0|b||0,this.b=0|c||0,this.a=0|d||0}},goog.exportSymbol("box2d.b2ParticleColor",box2d.b2ParticleColor),box2d.b2ParticleColor.prototype.r=0,goog.exportProperty(box2d.b2ParticleColor.prototype,"r",box2d.b2ParticleColor.prototype.r),box2d.b2ParticleColor.prototype.g=0,goog.exportProperty(box2d.b2ParticleColor.prototype,"g",box2d.b2ParticleColor.prototype.g),box2d.b2ParticleColor.prototype.b=0,goog.exportProperty(box2d.b2ParticleColor.prototype,"b",box2d.b2ParticleColor.prototype.b),box2d.b2ParticleColor.prototype.a=0,goog.exportProperty(box2d.b2ParticleColor.prototype,"a",box2d.b2ParticleColor.prototype.a),box2d.b2ParticleColor.prototype.IsZero=function(){return 0===this.r&&0===this.g&&0===this.b&&0===this.a},goog.exportProperty(box2d.b2ParticleColor.prototype,"IsZero",box2d.b2ParticleColor.prototype.IsZero),box2d.b2ParticleColor.prototype.GetColor=function(a){return a.r=this.r/255,a.g=this.g/255,a.b=this.b/255,a.a=this.a/255,a},goog.exportProperty(box2d.b2ParticleColor.prototype,"GetColor",box2d.b2ParticleColor.prototype.GetColor),box2d.b2ParticleColor.prototype.Set=function(a,b,c,d){if(a instanceof box2d.b2Color)this.SetColor(a);else{if(!(3<=arguments.length))throw Error();this.SetRGBA(a||0,b||0,c||0,d)}},goog.exportProperty(box2d.b2ParticleColor.prototype,"Set",box2d.b2ParticleColor.prototype.Set),box2d.b2ParticleColor.prototype.SetRGBA=function(a,b,c,d){this.r=a,this.g=b,this.b=c,this.a="number"==typeof d?d:255},goog.exportProperty(box2d.b2ParticleColor.prototype,"SetRGBA",box2d.b2ParticleColor.prototype.SetRGBA),box2d.b2ParticleColor.prototype.SetColor=function(a){this.r=255*a.r,this.g=255*a.g,this.b=255*a.b,this.a=255*a.a},goog.exportProperty(box2d.b2ParticleColor.prototype,"SetColor",box2d.b2ParticleColor.prototype.SetColor),box2d.b2ParticleColor.prototype.Copy=function(a){return this.r=a.r,this.g=a.g,this.b=a.b,this.a=a.a,this},goog.exportProperty(box2d.b2ParticleColor.prototype,"Copy",box2d.b2ParticleColor.prototype.Copy),box2d.b2ParticleColor.prototype.Clone=function(){return new box2d.b2ParticleColor(this.r,this.g,this.b,this.a)},box2d.b2ParticleColor.prototype.SelfMul_0_1=function(a){return this.r*=a,this.g*=a,this.b*=a,this.a*=a,this},goog.exportProperty(box2d.b2ParticleColor.prototype,"SelfMul_0_1",box2d.b2ParticleColor.prototype.SelfMul_0_1),box2d.b2ParticleColor.prototype.SelfMul_0_255=function(a){return a+=1,this.r=this.r*a>>box2d.b2ParticleColor.k_bitsPerComponent,this.g=this.g*a>>box2d.b2ParticleColor.k_bitsPerComponent,this.b=this.b*a>>box2d.b2ParticleColor.k_bitsPerComponent,this.a=this.a*a>>box2d.b2ParticleColor.k_bitsPerComponent,this},goog.exportProperty(box2d.b2ParticleColor.prototype,"SelfMul_0_255",box2d.b2ParticleColor.prototype.SelfMul_0_255),box2d.b2ParticleColor.prototype.Mul_0_1=function(a,b){return b.Copy(this).SelfMul_0_1(a)},goog.exportProperty(box2d.b2ParticleColor.prototype,"Mul_0_1",box2d.b2ParticleColor.prototype.Mul_0_1),box2d.b2ParticleColor.prototype.Mul_0_255=function(a,b){return b.Copy(this).SelfMul_0_255(a)},goog.exportProperty(box2d.b2ParticleColor.prototype,"Mul_0_255",box2d.b2ParticleColor.prototype.Mul_0_255),box2d.b2ParticleColor.prototype.SelfAdd=function(a){return this.r+=a.r,this.g+=a.g,this.b+=a.b,this.a+=a.a,this},goog.exportProperty(box2d.b2ParticleColor.prototype,"SelfAdd",box2d.b2ParticleColor.prototype.SelfAdd),box2d.b2ParticleColor.prototype.Add=function(a,b){return b.r=this.r+a.r,b.g=this.g+a.g,b.b=this.b+a.b,b.a=this.a+a.a,b},goog.exportProperty(box2d.b2ParticleColor.prototype,"Add",box2d.b2ParticleColor.prototype.Add),box2d.b2ParticleColor.prototype.SelfSub=function(a){return this.r-=a.r,this.g-=a.g,this.b-=a.b,this.a-=a.a,this},goog.exportProperty(box2d.b2ParticleColor.prototype,"SelfSub",box2d.b2ParticleColor.prototype.SelfSub),box2d.b2ParticleColor.prototype.Sub=function(a,b){return b.r=this.r-a.r,b.g=this.g-a.g,b.b=this.b-a.b,b.a=this.a-a.a,b},goog.exportProperty(box2d.b2ParticleColor.prototype,"Sub",box2d.b2ParticleColor.prototype.Sub),box2d.b2ParticleColor.prototype.IsEqual=function(a){return this.r===a.r&&this.g===a.g&&this.b===a.b&&this.a===a.a},goog.exportProperty(box2d.b2ParticleColor.prototype,"IsEqual",box2d.b2ParticleColor.prototype.IsEqual),box2d.b2ParticleColor.prototype.Mix=function(a,b){box2d.b2ParticleColor.MixColors(this,a,b)},goog.exportProperty(box2d.b2ParticleColor.prototype,"Mix",box2d.b2ParticleColor.prototype.Mix),box2d.b2ParticleColor.MixColors=function(a,b,c){var d=c*(b.r-a.r)>>box2d.b2ParticleColor.k_bitsPerComponent,e=c*(b.g-a.g)>>box2d.b2ParticleColor.k_bitsPerComponent,f=c*(b.b-a.b)>>box2d.b2ParticleColor.k_bitsPerComponent;c=c*(b.a-a.a)>>box2d.b2ParticleColor.k_bitsPerComponent,a.r+=d,a.g+=e,a.b+=f,a.a+=c,b.r-=d,b.g-=e,b.b-=f,b.a-=c},goog.exportProperty(box2d.b2ParticleColor,"MixColors",box2d.b2ParticleColor.MixColors),box2d.B2PARTICLECOLOR_BITS_PER_COMPONENT=8,box2d.B2PARTICLECOLOR_MAX_VALUE=(1<<box2d.B2PARTICLECOLOR_BITS_PER_COMPONENT)-1,box2d.b2ParticleColor.k_maxValue=+box2d.B2PARTICLECOLOR_MAX_VALUE,goog.exportProperty(box2d.b2ParticleColor,"k_maxValue",box2d.b2ParticleColor.k_maxValue),box2d.b2ParticleColor.k_inverseMaxValue=1/+box2d.B2PARTICLECOLOR_MAX_VALUE,goog.exportProperty(box2d.b2ParticleColor,"k_inverseMaxValue",box2d.b2ParticleColor.k_inverseMaxValue),box2d.b2ParticleColor.k_bitsPerComponent=box2d.B2PARTICLECOLOR_BITS_PER_COMPONENT,goog.exportProperty(box2d.b2ParticleColor,"k_bitsPerComponent",box2d.b2ParticleColor.k_bitsPerComponent),box2d.b2ParticleColor_zero=new box2d.b2ParticleColor,box2d.b2ParticleDef=function(){this.position=box2d.b2Vec2_zero.Clone(),this.velocity=box2d.b2Vec2_zero.Clone(),this.color=box2d.b2ParticleColor_zero.Clone()},goog.exportSymbol("box2d.b2ParticleDef",box2d.b2ParticleDef),box2d.b2ParticleDef.prototype.flags=0,goog.exportProperty(box2d.b2ParticleDef.prototype,"flags",box2d.b2ParticleDef.prototype.flags),box2d.b2ParticleDef.prototype.position=null,goog.exportProperty(box2d.b2ParticleDef.prototype,"position",box2d.b2ParticleDef.prototype.position),box2d.b2ParticleDef.prototype.velocity=null,goog.exportProperty(box2d.b2ParticleDef.prototype,"velocity",box2d.b2ParticleDef.prototype.velocity),box2d.b2ParticleDef.prototype.color=null,goog.exportProperty(box2d.b2ParticleDef.prototype,"color",box2d.b2ParticleDef.prototype.color),box2d.b2ParticleDef.prototype.lifetime=0,goog.exportProperty(box2d.b2ParticleDef.prototype,"lifetime",box2d.b2ParticleDef.prototype.lifetime),box2d.b2ParticleDef.prototype.userData=null,goog.exportProperty(box2d.b2ParticleDef.prototype,"userData",box2d.b2ParticleDef.prototype.userData),box2d.b2ParticleDef.prototype.group=null,goog.exportProperty(box2d.b2ParticleDef.prototype,"group",box2d.b2ParticleDef.prototype.group),box2d.b2CalculateParticleIterations=function(a,b,c){return 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box2d.b2Vec2(0,0)},goog.exportSymbol("box2d.b2ParticleTriad",box2d.b2ParticleTriad),box2d.b2ParticleTriad.prototype.indexA=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"indexA",box2d.b2ParticleTriad.prototype.indexA),box2d.b2ParticleTriad.prototype.indexB=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"indexB",box2d.b2ParticleTriad.prototype.indexB),box2d.b2ParticleTriad.prototype.indexC=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"indexC",box2d.b2ParticleTriad.prototype.indexC),box2d.b2ParticleTriad.prototype.flags=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"flags",box2d.b2ParticleTriad.prototype.flags),box2d.b2ParticleTriad.prototype.strength=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"strength",box2d.b2ParticleTriad.prototype.strength),box2d.b2ParticleTriad.prototype.pa=null,goog.exportProperty(box2d.b2ParticleTriad.prototype,"pa",box2d.b2ParticleTriad.prototype.pa),box2d.b2ParticleTriad.prototype.pb=null,goog.exportProperty(box2d.b2ParticleTriad.prototype,"pb",box2d.b2ParticleTriad.prototype.pb),box2d.b2ParticleTriad.prototype.pc=null,goog.exportProperty(box2d.b2ParticleTriad.prototype,"pc",box2d.b2ParticleTriad.prototype.pc),box2d.b2ParticleTriad.prototype.ka=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"ka",box2d.b2ParticleTriad.prototype.ka),box2d.b2ParticleTriad.prototype.kb=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"kb",box2d.b2ParticleTriad.prototype.kb),box2d.b2ParticleTriad.prototype.kc=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"kc",box2d.b2ParticleTriad.prototype.kc),box2d.b2ParticleTriad.prototype.s=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"s",box2d.b2ParticleTriad.prototype.s),box2d.b2ParticleSystemDef=function(){},goog.exportSymbol("box2d.b2ParticleSystemDef",box2d.b2ParticleSystemDef),box2d.b2ParticleSystemDef.prototype.strictContactCheck=!1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"strictContactCheck",box2d.b2ParticleSystemDef.prototype.strictContactCheck),box2d.b2ParticleSystemDef.prototype.density=1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"density",box2d.b2ParticleSystemDef.prototype.density),box2d.b2ParticleSystemDef.prototype.gravityScale=1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"gravityScale",box2d.b2ParticleSystemDef.prototype.gravityScale),box2d.b2ParticleSystemDef.prototype.radius=1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"radius",box2d.b2ParticleSystemDef.prototype.radius),box2d.b2ParticleSystemDef.prototype.maxCount=0,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"maxCount",box2d.b2ParticleSystemDef.prototype.maxCount),box2d.b2ParticleSystemDef.prototype.pressureStrength=.005,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"pressureStrength",box2d.b2ParticleSystemDef.prototype.pressureStrength),box2d.b2ParticleSystemDef.prototype.dampingStrength=1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"dampingStrength",box2d.b2ParticleSystemDef.prototype.dampingStrength),box2d.b2ParticleSystemDef.prototype.elasticStrength=.25,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"elasticStrength",box2d.b2ParticleSystemDef.prototype.elasticStrength),box2d.b2ParticleSystemDef.prototype.springStrength=.25,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"springStrength",box2d.b2ParticleSystemDef.prototype.springStrength),box2d.b2ParticleSystemDef.prototype.viscousStrength=.25,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"viscousStrength",box2d.b2ParticleSystemDef.prototype.viscousStrength),box2d.b2ParticleSystemDef.prototype.surfaceTensionPressureStrength=.2,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"surfaceTensionPressureStrength",box2d.b2ParticleSystemDef.prototype.surfaceTensionPressureStrength),box2d.b2ParticleSystemDef.prototype.surfaceTensionNormalStrength=.2,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"surfaceTensionNormalStrength",box2d.b2ParticleSystemDef.prototype.surfaceTensionNormalStrength),box2d.b2ParticleSystemDef.prototype.repulsiveStrength=1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"repulsiveStrength",box2d.b2ParticleSystemDef.prototype.repulsiveStrength),box2d.b2ParticleSystemDef.prototype.powderStrength=.5,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"powderStrength",box2d.b2ParticleSystemDef.prototype.powderStrength),box2d.b2ParticleSystemDef.prototype.ejectionStrength=.5,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"ejectionStrength",box2d.b2ParticleSystemDef.prototype.ejectionStrength),box2d.b2ParticleSystemDef.prototype.staticPressureStrength=.2,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"staticPressureStrength",box2d.b2ParticleSystemDef.prototype.staticPressureStrength),box2d.b2ParticleSystemDef.prototype.staticPressureRelaxation=.2,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"staticPressureRelaxation",box2d.b2ParticleSystemDef.prototype.staticPressureRelaxation),box2d.b2ParticleSystemDef.prototype.staticPressureIterations=8,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"staticPressureIterations",box2d.b2ParticleSystemDef.prototype.staticPressureIterations),box2d.b2ParticleSystemDef.prototype.colorMixingStrength=.5,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"colorMixingStrength",box2d.b2ParticleSystemDef.prototype.colorMixingStrength),box2d.b2ParticleSystemDef.prototype.destroyByAge=!0,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"destroyByAge",box2d.b2ParticleSystemDef.prototype.destroyByAge),box2d.b2ParticleSystemDef.prototype.lifetimeGranularity=1/60,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"lifetimeGranularity",box2d.b2ParticleSystemDef.prototype.lifetimeGranularity),box2d.b2ParticleSystemDef.prototype.Copy=function(a){return this.strictContactCheck=a.strictContactCheck,this.density=a.density,this.gravityScale=a.gravityScale,this.radius=a.radius,this.maxCount=a.maxCount,this.pressureStrength=a.pressureStrength,this.dampingStrength=a.dampingStrength,this.elasticStrength=a.elasticStrength,this.springStrength=a.springStrength,this.viscousStrength=a.viscousStrength,this.surfaceTensionPressureStrength=a.surfaceTensionPressureStrength,this.surfaceTensionNormalStrength=a.surfaceTensionNormalStrength,this.repulsiveStrength=a.repulsiveStrength,this.powderStrength=a.powderStrength,this.ejectionStrength=a.ejectionStrength,this.staticPressureStrength=a.staticPressureStrength,this.staticPressureRelaxation=a.staticPressureRelaxation,this.staticPressureIterations=a.staticPressureIterations,this.colorMixingStrength=a.colorMixingStrength,this.destroyByAge=a.destroyByAge,this.lifetimeGranularity=a.lifetimeGranularity,this},box2d.b2ParticleSystemDef.prototype.Clone=function(){return(new box2d.b2ParticleSystemDef).Copy(this)},box2d.b2ParticleSystem=function(a,b){this._ctor_(a,b)},goog.exportSymbol("box2d.b2ParticleSystem",box2d.b2ParticleSystem),box2d.b2ParticleSystem.prototype.m_paused=!1,box2d.b2ParticleSystem.prototype.m_timestamp=0,box2d.b2ParticleSystem.prototype.m_allParticleFlags=0,box2d.b2ParticleSystem.prototype.m_needsUpdateAllParticleFlags=!1,box2d.b2ParticleSystem.prototype.m_allGroupFlags=0,box2d.b2ParticleSystem.prototype.m_needsUpdateAllGroupFlags=!1,box2d.b2ParticleSystem.prototype.m_hasForce=!1,box2d.b2ParticleSystem.prototype.m_iterationIndex=0,box2d.b2ParticleSystem.prototype.m_inverseDensity=0,box2d.b2ParticleSystem.prototype.m_particleDiameter=0,box2d.b2ParticleSystem.prototype.m_inverseDiameter=0,box2d.b2ParticleSystem.prototype.m_squaredDiameter=0,box2d.b2ParticleSystem.prototype.m_count=0,box2d.b2ParticleSystem.prototype.m_internalAllocatedCapacity=0,box2d.b2ParticleSystem.prototype.m_handleAllocator=null,box2d.b2ParticleSystem.prototype.m_handleIndexBuffer=null,box2d.b2ParticleSystem.prototype.m_flagsBuffer=null,box2d.b2ParticleSystem.prototype.m_positionBuffer=null,box2d.b2ParticleSystem.prototype.m_velocityBuffer=null,box2d.b2ParticleSystem.prototype.m_forceBuffer=null,box2d.b2ParticleSystem.prototype.m_weightBuffer=null,box2d.b2ParticleSystem.prototype.m_staticPressureBuffer=null,box2d.b2ParticleSystem.prototype.m_accumulationBuffer=null,box2d.b2ParticleSystem.prototype.m_accumulation2Buffer=null,box2d.b2ParticleSystem.prototype.m_depthBuffer=null,box2d.b2ParticleSystem.prototype.m_colorBuffer=null,box2d.b2ParticleSystem.prototype.m_groupBuffer=null,box2d.b2ParticleSystem.prototype.m_userDataBuffer=null,box2d.b2ParticleSystem.prototype.m_stuckThreshold=0,box2d.b2ParticleSystem.prototype.m_lastBodyContactStepBuffer=null,box2d.b2ParticleSystem.prototype.m_bodyContactCountBuffer=null,box2d.b2ParticleSystem.prototype.m_consecutiveContactStepsBuffer=null,box2d.b2ParticleSystem.prototype.m_stuckParticleBuffer=null,box2d.b2ParticleSystem.prototype.m_proxyBuffer=null,box2d.b2ParticleSystem.prototype.m_contactBuffer=null,box2d.b2ParticleSystem.prototype.m_bodyContactBuffer=null,box2d.b2ParticleSystem.prototype.m_pairBuffer=null,box2d.b2ParticleSystem.prototype.m_triadBuffer=null,box2d.b2ParticleSystem.prototype.m_expirationTimeBuffer=null,box2d.b2ParticleSystem.prototype.m_indexByExpirationTimeBuffer=null,box2d.b2ParticleSystem.prototype.m_timeElapsed=0,box2d.b2ParticleSystem.prototype.m_expirationTimeBufferRequiresSorting=!1,box2d.b2ParticleSystem.prototype.m_groupCount=0,box2d.b2ParticleSystem.prototype.m_groupList=null,box2d.b2ParticleSystem.prototype.m_def=null,box2d.b2ParticleSystem.prototype.m_world=null,box2d.b2ParticleSystem.prototype.m_prev=null,box2d.b2ParticleSystem.prototype.m_next=null,box2d.b2ParticleSystem.xTruncBits=12,box2d.b2ParticleSystem.yTruncBits=12,box2d.b2ParticleSystem.tagBits=32,box2d.b2ParticleSystem.yOffset=1<<box2d.b2ParticleSystem.yTruncBits-1,box2d.b2ParticleSystem.yShift=box2d.b2ParticleSystem.tagBits-box2d.b2ParticleSystem.yTruncBits,box2d.b2ParticleSystem.xShift=box2d.b2ParticleSystem.tagBits-box2d.b2ParticleSystem.yTruncBits-box2d.b2ParticleSystem.xTruncBits,box2d.b2ParticleSystem.xScale=1<<box2d.b2ParticleSystem.xShift,box2d.b2ParticleSystem.xOffset=box2d.b2ParticleSystem.xScale*(1<<box2d.b2ParticleSystem.xTruncBits-1),box2d.b2ParticleSystem.yMask=(1<<box2d.b2ParticleSystem.yTruncBits)-1<<box2d.b2ParticleSystem.yShift,box2d.b2ParticleSystem.xMask=~box2d.b2ParticleSystem.yMask,box2d.b2ParticleSystem.computeTag=function(a,b){return(b+box2d.b2ParticleSystem.yOffset>>>0<<box2d.b2ParticleSystem.yShift)+(box2d.b2ParticleSystem.xScale*a+box2d.b2ParticleSystem.xOffset>>>0)>>>0},box2d.b2ParticleSystem.computeRelativeTag=function(a,b,c){return a+(c<<box2d.b2ParticleSystem.yShift)+(b<<box2d.b2ParticleSystem.xShift)>>>0},box2d.b2ParticleSystem.FixedSetAllocator=function(){},box2d.b2ParticleSystem.FixedSetAllocator.prototype.Invalidate=function(a){},box2d.b2ParticleSystem.FixtureParticle=function(a,b){this.first=a,this.second=b},box2d.b2ParticleSystem.FixtureParticle.prototype.first=null,box2d.b2ParticleSystem.FixtureParticle.prototype.second=box2d.b2_invalidParticleIndex,box2d.b2ParticleSystem.FixtureParticleSet=function(){},goog.inherits(box2d.b2ParticleSystem.FixtureParticleSet,box2d.b2ParticleSystem.FixedSetAllocator),box2d.b2ParticleSystem.FixtureParticleSet.prototype.Initialize=function(a,b){},box2d.b2ParticleSystem.FixtureParticleSet.prototype.Find=function(a){},box2d.b2ParticleSystem.ParticlePair=function(a,b){},box2d.b2ParticleSystem.ParticlePair.prototype.first=box2d.b2_invalidParticleIndex,box2d.b2ParticleSystem.ParticlePair.prototype.second=box2d.b2_invalidParticleIndex,box2d.b2ParticleSystem.b2ParticlePairSet=function(){},goog.inherits(box2d.b2ParticleSystem.b2ParticlePairSet,box2d.b2ParticleSystem.FixedSetAllocator),box2d.b2ParticleSystem.b2ParticlePairSet.prototype.Initialize=function(a,b){},box2d.b2ParticleSystem.b2ParticlePairSet.prototype.Find=function(a){},box2d.b2ParticleSystem.ConnectionFilter=function(){},box2d.b2ParticleSystem.ConnectionFilter.prototype.IsNecessary=function(a){return!0},box2d.b2ParticleSystem.ConnectionFilter.prototype.ShouldCreatePair=function(a,b){return!0},box2d.b2ParticleSystem.ConnectionFilter.prototype.ShouldCreateTriad=function(a,b,c){return!0},box2d.b2ParticleSystem.prototype._ctor_=function(a,b){this.m_handleIndexBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_flagsBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_positionBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_velocityBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_forceBuffer=[],this.m_weightBuffer=[],this.m_staticPressureBuffer=[],this.m_accumulationBuffer=[],this.m_accumulation2Buffer=[],this.m_depthBuffer=[],this.m_colorBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_groupBuffer=[],this.m_userDataBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_lastBodyContactStepBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_bodyContactCountBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_consecutiveContactStepsBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_stuckParticleBuffer=new box2d.b2GrowableBuffer(function(){return 0}),this.m_proxyBuffer=new box2d.b2GrowableBuffer(function(){return new box2d.b2ParticleSystem.Proxy}),this.m_contactBuffer=new box2d.b2GrowableBuffer(function(){return new box2d.b2ParticleContact}),this.m_bodyContactBuffer=new box2d.b2GrowableBuffer(function(){return new box2d.b2ParticleBodyContact}),this.m_pairBuffer=new box2d.b2GrowableBuffer(function(){return new box2d.b2ParticlePair}),this.m_triadBuffer=new box2d.b2GrowableBuffer(function(){return new box2d.b2ParticleTriad}),this.m_expirationTimeBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_indexByExpirationTimeBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_def=new box2d.b2ParticleSystemDef,box2d.b2Assert(null!==a),this.SetStrictContactCheck(a.strictContactCheck),this.SetDensity(a.density),this.SetGravityScale(a.gravityScale),this.SetRadius(a.radius),this.SetMaxParticleCount(a.maxCount),box2d.b2Assert(0<a.lifetimeGranularity),this.m_def=a.Clone(),this.m_world=b,this.SetDestructionByAge(this.m_def.destroyByAge)},box2d.b2ParticleSystem.prototype._dtor_=function(){for(;this.m_groupList;)this.DestroyParticleGroup(this.m_groupList);this.FreeUserOverridableBuffer(this.m_handleIndexBuffer),this.FreeUserOverridableBuffer(this.m_flagsBuffer),this.FreeUserOverridableBuffer(this.m_lastBodyContactStepBuffer),this.FreeUserOverridableBuffer(this.m_bodyContactCountBuffer),this.FreeUserOverridableBuffer(this.m_consecutiveContactStepsBuffer),this.FreeUserOverridableBuffer(this.m_positionBuffer),this.FreeUserOverridableBuffer(this.m_velocityBuffer),this.FreeUserOverridableBuffer(this.m_colorBuffer),this.FreeUserOverridableBuffer(this.m_userDataBuffer),this.FreeUserOverridableBuffer(this.m_expirationTimeBuffer),this.FreeUserOverridableBuffer(this.m_indexByExpirationTimeBuffer),this.FreeBuffer(this.m_forceBuffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_weightBuffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_staticPressureBuffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_accumulationBuffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_accumulation2Buffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_depthBuffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_groupBuffer,this.m_internalAllocatedCapacity)},box2d.b2ParticleSystem.prototype.Drop=function(){this._dtor_()},box2d.b2ParticleSystem.prototype.CreateParticle=function(a){if(box2d.b2Assert(!1===this.m_world.IsLocked()),this.m_world.IsLocked())return 0;if(this.m_count>=this.m_internalAllocatedCapacity&&this.ReallocateInternalAllocatedBuffers(this.m_count?2*this.m_count:box2d.b2_minParticleSystemBufferCapacity),this.m_count>=this.m_internalAllocatedCapacity){if(!this.m_def.destroyByAge)return box2d.b2_invalidParticleIndex;this.DestroyOldestParticle(0,!1),this.SolveZombie()}var b=this.m_count++;this.m_flagsBuffer.data[b]=0,this.m_lastBodyContactStepBuffer.data&&(this.m_lastBodyContactStepBuffer.data[b]=0),this.m_bodyContactCountBuffer.data&&(this.m_bodyContactCountBuffer.data[b]=0),this.m_consecutiveContactStepsBuffer.data&&(this.m_consecutiveContactStepsBuffer.data[b]=0),this.m_positionBuffer.data[b]=(this.m_positionBuffer.data[b]||new box2d.b2Vec2).Copy(a.position),this.m_velocityBuffer.data[b]=(this.m_velocityBuffer.data[b]||new box2d.b2Vec2).Copy(a.velocity),this.m_weightBuffer[b]=0,this.m_forceBuffer[b]=(this.m_forceBuffer[b]||new box2d.b2Vec2).SetZero(),this.m_staticPressureBuffer&&(this.m_staticPressureBuffer[b]=0),this.m_depthBuffer&&(this.m_depthBuffer[b]=0),!this.m_colorBuffer.data&&a.color.IsZero()||(this.m_colorBuffer.data=this.RequestBuffer(this.m_colorBuffer.data),this.m_colorBuffer.data[b]=(this.m_colorBuffer.data[b]||new box2d.b2ParticleColor).Copy(a.color)),(this.m_userDataBuffer.data||a.userData)&&(this.m_userDataBuffer.data=this.RequestBuffer(this.m_userDataBuffer.data),this.m_userDataBuffer.data[b]=a.userData),this.m_handleIndexBuffer.data&&(this.m_handleIndexBuffer.data[b]=null);var c=this.m_proxyBuffer.data[this.m_proxyBuffer.Append()],d=0<a.lifetime;return(this.m_expirationTimeBuffer.data||d)&&(this.SetParticleLifetime(b,d?a.lifetime:this.ExpirationTimeToLifetime(-this.GetQuantizedTimeElapsed())),this.m_indexByExpirationTimeBuffer.data[b]=b),c.index=b,c=a.group,(this.m_groupBuffer[b]=c)&&(c.m_firstIndex<c.m_lastIndex?(this.RotateBuffer(c.m_firstIndex,c.m_lastIndex,b),box2d.b2Assert(c.m_lastIndex===b)):c.m_firstIndex=b,c.m_lastIndex=b+1),this.SetParticleFlags(b,a.flags),b},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticle",box2d.b2ParticleSystem.prototype.CreateParticle),box2d.b2ParticleSystem.prototype.GetParticleHandleFromIndex=function(a){box2d.b2Assert(0<=a&&a<this.GetParticleCount()&&a!==box2d.b2_invalidParticleIndex),this.m_handleIndexBuffer.data=this.RequestBuffer(this.m_handleIndexBuffer.data);var b=this.m_handleIndexBuffer.data[a];return b||(b=new box2d.b2ParticleHandle,box2d.b2Assert(null!==b),b.SetIndex(a),this.m_handleIndexBuffer.data[a]=b)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleHandleFromIndex",box2d.b2ParticleSystem.prototype.GetParticleHandleFromIndex),box2d.b2ParticleSystem.prototype.DestroyParticle=function(a,b){var c=box2d.b2ParticleFlag.b2_zombieParticle;b&&(c|=box2d.b2ParticleFlag.b2_destructionListenerParticle),this.SetParticleFlags(a,this.m_flagsBuffer.data[a]|c)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"DestroyParticle",box2d.b2ParticleSystem.prototype.DestroyParticle),box2d.b2ParticleSystem.prototype.DestroyOldestParticle=function(a,b){var c=this.GetParticleCount();box2d.b2Assert(0<=a&&a<c),box2d.b2Assert(null!==this.m_indexByExpirationTimeBuffer.data);c=this.m_indexByExpirationTimeBuffer.data[c-(a+1)];var d=this.m_indexByExpirationTimeBuffer.data[a];this.DestroyParticle(0<this.m_expirationTimeBuffer.data[c]?c:d,b)},box2d.b2ParticleSystem.DestroyParticlesInShapeCallback=function(a,b,c,d){this.m_system=a,this.m_shape=b,this.m_xf=c,this.m_callDestructionListener=d,this.m_destroyed=0},goog.inherits(box2d.b2ParticleSystem.DestroyParticlesInShapeCallback,box2d.b2QueryCallback),box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.m_system=null,box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.m_shape=null,box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.m_xf=null,box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.m_callDestructionListener=!1,box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.m_destroyed=0,box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.ReportFixture=function(a){return!1},box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.ReportParticle=function(a,b){return a===this.m_system&&(box2d.b2Assert(0<=b&&b<this.m_system.m_count),this.m_shape.TestPoint(this.m_xf,this.m_system.m_positionBuffer.data[b])&&(this.m_system.DestroyParticle(b,this.m_callDestructionListener),this.m_destroyed++),!0)},box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.Destroyed=function(){return this.m_destroyed},box2d.b2ParticleSystem.prototype.DestroyParticlesInShape=function(a,b,c){var d=box2d.b2ParticleSystem.prototype.DestroyParticlesInShape.s_aabb;return box2d.b2Assert(!1===this.m_world.IsLocked()),this.m_world.IsLocked()?0:(c=new box2d.b2ParticleSystem.DestroyParticlesInShapeCallback(this,a,b,c),a.ComputeAABB(d,b,0),this.m_world.QueryAABB(c,d),c.Destroyed())},goog.exportProperty(box2d.b2ParticleSystem.prototype,"DestroyParticlesInShape",box2d.b2ParticleSystem.prototype.DestroyParticlesInShape),box2d.b2ParticleSystem.prototype.DestroyParticlesInShape.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.CreateParticleGroup=function(a){var b=box2d.b2ParticleSystem.prototype.CreateParticleGroup.s_transform;if(box2d.b2Assert(!1===this.m_world.IsLocked()),this.m_world.IsLocked())return null;b.Set(a.position,a.angle);var c=this.m_count;if(a.shape&&this.CreateParticlesWithShapeForGroup(a.shape,a,b),a.shapes&&this.CreateParticlesWithShapesForGroup(a.shapes,a.shapeCount,a,b),a.particleCount){box2d.b2Assert(null!==a.positionData);for(var d=0;d<a.particleCount;d++)this.CreateParticleForGroup(a,b,a.positionData[d])}var e=this.m_count,f=new box2d.b2ParticleGroup;for(f.m_system=this,f.m_firstIndex=c,f.m_lastIndex=e,f.m_strength=a.strength,f.m_userData=a.userData,f.m_transform.Copy(b),f.m_prev=null,(f.m_next=this.m_groupList)&&(this.m_groupList.m_prev=f),this.m_groupList=f,++this.m_groupCount,d=c;d<e;d++)this.m_groupBuffer[d]=f;return this.SetGroupFlags(f,a.groupFlags),b=new box2d.b2ParticleSystem.ConnectionFilter,this.UpdateContacts(!0),this.UpdatePairsAndTriads(c,e,b),a.group&&(this.JoinParticleGroups(a.group,f),f=a.group),f},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticleGroup",box2d.b2ParticleSystem.prototype.CreateParticleGroup),box2d.b2ParticleSystem.prototype.CreateParticleGroup.s_transform=new box2d.b2Transform,box2d.b2ParticleSystem.JoinParticleGroupsFilter=function(a){this.m_threshold=a},goog.inherits(box2d.b2ParticleSystem.JoinParticleGroupsFilter,box2d.b2ParticleSystem.ConnectionFilter),box2d.b2ParticleSystem.JoinParticleGroupsFilter.prototype.m_threshold=0,box2d.b2ParticleSystem.JoinParticleGroupsFilter.prototype.ShouldCreatePair=function(a,b){return a<this.m_threshold&&this.m_threshold<=b||b<this.m_threshold&&this.m_threshold<=a},box2d.b2ParticleSystem.JoinParticleGroupsFilter.prototype.ShouldCreateTriad=function(a,b,c){return(a<this.m_threshold||b<this.m_threshold||c<this.m_threshold)&&(this.m_threshold<=a||this.m_threshold<=b||this.m_threshold<=c)},box2d.b2ParticleSystem.prototype.JoinParticleGroups=function(a,b){if(box2d.b2Assert(!1===this.m_world.IsLocked()),!this.m_world.IsLocked()){box2d.b2Assert(a!==b),this.RotateBuffer(b.m_firstIndex,b.m_lastIndex,this.m_count),box2d.b2Assert(b.m_lastIndex===this.m_count),this.RotateBuffer(a.m_firstIndex,a.m_lastIndex,b.m_firstIndex),box2d.b2Assert(a.m_lastIndex===b.m_firstIndex);var c=new box2d.b2ParticleSystem.JoinParticleGroupsFilter(b.m_firstIndex);for(this.UpdateContacts(!0),this.UpdatePairsAndTriads(a.m_firstIndex,b.m_lastIndex,c),c=b.m_firstIndex;c<b.m_lastIndex;c++)this.m_groupBuffer[c]=a;this.SetGroupFlags(a,a.m_groupFlags|b.m_groupFlags),a.m_lastIndex=b.m_lastIndex,b.m_firstIndex=b.m_lastIndex,this.DestroyParticleGroup(b)}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"JoinParticleGroups",box2d.b2ParticleSystem.prototype.JoinParticleGroups),box2d.b2ParticleSystem.prototype.SplitParticleGroup=function(a){this.UpdateContacts(!0);var b=a.GetParticleCount();b=box2d.b2MakeArray(b,function(a){return new box2d.b2ParticleSystem.ParticleListNode});box2d.b2ParticleSystem.InitializeParticleLists(a,b),this.MergeParticleListsInContact(a,b);var c=box2d.b2ParticleSystem.FindLongestParticleList(a,b);this.MergeZombieParticleListNodes(a,b,c),this.CreateParticleGroupsFromParticleList(a,b,c),this.UpdatePairsAndTriadsWithParticleList(a,b)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SplitParticleGroup",box2d.b2ParticleSystem.prototype.SplitParticleGroup),box2d.b2ParticleSystem.prototype.GetParticleGroupList=function(){return this.m_groupList},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleGroupList",box2d.b2ParticleSystem.prototype.GetParticleGroupList),box2d.b2ParticleSystem.prototype.GetParticleGroupCount=function(){return this.m_groupCount},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleGroupCount",box2d.b2ParticleSystem.prototype.GetParticleGroupCount),box2d.b2ParticleSystem.prototype.GetParticleCount=function(){return this.m_count},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleCount",box2d.b2ParticleSystem.prototype.GetParticleCount),box2d.b2ParticleSystem.prototype.GetMaxParticleCount=function(){return this.m_def.maxCount},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetMaxParticleCount",box2d.b2ParticleSystem.prototype.GetMaxParticleCount),box2d.b2ParticleSystem.prototype.SetMaxParticleCount=function(a){box2d.b2Assert(this.m_count<=a),this.m_def.maxCount=a},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetMaxParticleCount",box2d.b2ParticleSystem.prototype.SetMaxParticleCount),box2d.b2ParticleSystem.prototype.GetAllParticleFlags=function(){return this.m_allParticleFlags},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetAllParticleFlags",box2d.b2ParticleSystem.prototype.GetAllParticleFlags),box2d.b2ParticleSystem.prototype.GetAllGroupFlags=function(){return this.m_allGroupFlags},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetAllGroupFlags",box2d.b2ParticleSystem.prototype.GetAllGroupFlags),box2d.b2ParticleSystem.prototype.SetPaused=function(a){this.m_paused=a},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetPaused",box2d.b2ParticleSystem.prototype.SetPaused),box2d.b2ParticleSystem.prototype.GetPaused=function(){return this.m_paused},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetPaused",box2d.b2ParticleSystem.prototype.GetPaused),box2d.b2ParticleSystem.prototype.SetDensity=function(a){this.m_def.density=a,this.m_inverseDensity=1/this.m_def.density},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetDensity",box2d.b2ParticleSystem.prototype.SetDensity),box2d.b2ParticleSystem.prototype.GetDensity=function(){return this.m_def.density},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetDensity",box2d.b2ParticleSystem.prototype.GetDensity),box2d.b2ParticleSystem.prototype.SetGravityScale=function(a){this.m_def.gravityScale=a},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetGravityScale",box2d.b2ParticleSystem.prototype.SetGravityScale),box2d.b2ParticleSystem.prototype.GetGravityScale=function(){return this.m_def.gravityScale},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetGravityScale",box2d.b2ParticleSystem.prototype.GetGravityScale),box2d.b2ParticleSystem.prototype.SetDamping=function(a){this.m_def.dampingStrength=a},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetDamping",box2d.b2ParticleSystem.prototype.SetDamping),box2d.b2ParticleSystem.prototype.GetDamping=function(){return this.m_def.dampingStrength},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetDamping",box2d.b2ParticleSystem.prototype.GetDamping),box2d.b2ParticleSystem.prototype.SetStaticPressureIterations=function(a){this.m_def.staticPressureIterations=a},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetStaticPressureIterations",box2d.b2ParticleSystem.prototype.SetStaticPressureIterations),box2d.b2ParticleSystem.prototype.GetStaticPressureIterations=function(){return this.m_def.staticPressureIterations},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetStaticPressureIterations",box2d.b2ParticleSystem.prototype.GetStaticPressureIterations),box2d.b2ParticleSystem.prototype.SetRadius=function(a){this.m_particleDiameter=2*a,this.m_squaredDiameter=this.m_particleDiameter*this.m_particleDiameter,this.m_inverseDiameter=1/this.m_particleDiameter},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetRadius",box2d.b2ParticleSystem.prototype.SetRadius),box2d.b2ParticleSystem.prototype.GetRadius=function(){return this.m_particleDiameter/2},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetRadius",box2d.b2ParticleSystem.prototype.GetRadius),box2d.b2ParticleSystem.prototype.GetPositionBuffer=function(){return this.m_positionBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetPositionBuffer",box2d.b2ParticleSystem.prototype.GetPositionBuffer),box2d.b2ParticleSystem.prototype.GetVelocityBuffer=function(){return this.m_velocityBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetVelocityBuffer",box2d.b2ParticleSystem.prototype.GetVelocityBuffer),box2d.b2ParticleSystem.prototype.GetColorBuffer=function(){return this.m_colorBuffer.data=this.RequestBuffer(this.m_colorBuffer.data),this.m_colorBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetColorBuffer",box2d.b2ParticleSystem.prototype.GetColorBuffer),box2d.b2ParticleSystem.prototype.GetGroupBuffer=function(){return this.m_groupBuffer},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetGroupBuffer",box2d.b2ParticleSystem.prototype.GetGroupBuffer),box2d.b2ParticleSystem.prototype.GetWeightBuffer=function(){return this.m_weightBuffer},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetWeightBuffer",box2d.b2ParticleSystem.prototype.GetWeightBuffer),box2d.b2ParticleSystem.prototype.GetUserDataBuffer=function(){return this.m_userDataBuffer.data=this.RequestBuffer(this.m_userDataBuffer.data),this.m_userDataBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetUserDataBuffer",box2d.b2ParticleSystem.prototype.GetUserDataBuffer),box2d.b2ParticleSystem.prototype.GetFlagsBuffer=function(){return this.m_flagsBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetFlagsBuffer",box2d.b2ParticleSystem.prototype.GetFlagsBuffer),box2d.b2ParticleSystem.prototype.SetParticleFlags=function(a,b){this.m_flagsBuffer.data[a]&~b&&(this.m_needsUpdateAllParticleFlags=!0),~this.m_allParticleFlags&b&&(b&box2d.b2ParticleFlag.b2_tensileParticle&&(this.m_accumulation2Buffer=this.RequestBuffer(this.m_accumulation2Buffer)),b&box2d.b2ParticleFlag.b2_colorMixingParticle&&(this.m_colorBuffer.data=this.RequestBuffer(this.m_colorBuffer.data)),this.m_allParticleFlags|=b),this.m_flagsBuffer.data[a]=b},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetParticleFlags",box2d.b2ParticleSystem.prototype.SetParticleFlags),box2d.b2ParticleSystem.prototype.GetParticleFlags=function(a){return this.m_flagsBuffer.data[a]},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleFlags",box2d.b2ParticleSystem.prototype.GetParticleFlags),box2d.b2ParticleSystem.prototype.SetFlagsBuffer=function(a,b){this.SetUserOverridableBuffer(this.m_flagsBuffer,a,b)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetFlagsBuffer",box2d.b2ParticleSystem.prototype.SetFlagsBuffer),box2d.b2ParticleSystem.prototype.SetPositionBuffer=function(a,b){this.SetUserOverridableBuffer(this.m_positionBuffer,a,b)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetPositionBuffer",box2d.b2ParticleSystem.prototype.SetPositionBuffer),box2d.b2ParticleSystem.prototype.SetVelocityBuffer=function(a,b){this.SetUserOverridableBuffer(this.m_velocityBuffer,a,b)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetVelocityBuffer",box2d.b2ParticleSystem.prototype.SetVelocityBuffer),box2d.b2ParticleSystem.prototype.SetColorBuffer=function(a,b){this.SetUserOverridableBuffer(this.m_colorBuffer,a,b)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetColorBuffer",box2d.b2ParticleSystem.prototype.SetColorBuffer),box2d.b2ParticleSystem.prototype.SetUserDataBuffer=function(a,b){this.SetUserOverridableBuffer(this.m_userDataBuffer,a,b)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetUserDataBuffer",box2d.b2ParticleSystem.prototype.SetUserDataBuffer),box2d.b2ParticleSystem.prototype.GetContacts=function(){return this.m_contactBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetContacts",box2d.b2ParticleSystem.prototype.GetContacts),box2d.b2ParticleSystem.prototype.GetContactCount=function(){return this.m_contactBuffer.count},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetContactCount",box2d.b2ParticleSystem.prototype.GetContactCount),box2d.b2ParticleSystem.prototype.GetBodyContacts=function(){return this.m_bodyContactBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetBodyContacts",box2d.b2ParticleSystem.prototype.GetBodyContacts),box2d.b2ParticleSystem.prototype.GetBodyContactCount=function(){return this.m_bodyContactBuffer.count},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetBodyContactCount",box2d.b2ParticleSystem.prototype.GetBodyContactCount),box2d.b2ParticleSystem.prototype.GetPairs=function(){return this.m_pairBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetPairs",box2d.b2ParticleSystem.prototype.GetPairs),box2d.b2ParticleSystem.prototype.GetPairCount=function(){return this.m_pairBuffer.count},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetPairCount",box2d.b2ParticleSystem.prototype.GetPairCount),box2d.b2ParticleSystem.prototype.GetTriads=function(){return this.m_triadBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetTriads",box2d.b2ParticleSystem.prototype.GetTriads),box2d.b2ParticleSystem.prototype.GetTriadCount=function(){return this.m_triadBuffer.count},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetTriadCount",box2d.b2ParticleSystem.prototype.GetTriadCount),box2d.b2ParticleSystem.prototype.SetStuckThreshold=function(a){this.m_stuckThreshold=a,0<a&&(this.m_lastBodyContactStepBuffer.data=this.RequestBuffer(this.m_lastBodyContactStepBuffer.data),this.m_bodyContactCountBuffer.data=this.RequestBuffer(this.m_bodyContactCountBuffer.data),this.m_consecutiveContactStepsBuffer.data=this.RequestBuffer(this.m_consecutiveContactStepsBuffer.data))},box2d.b2ParticleSystem.prototype.GetStuckCandidates=function(){return this.m_stuckParticleBuffer.Data()},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetStuckCandidates",box2d.b2ParticleSystem.prototype.GetStuckCandidates),box2d.b2ParticleSystem.prototype.GetStuckCandidateCount=function(){return this.m_stuckParticleBuffer.GetCount()},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetStuckCandidateCount",box2d.b2ParticleSystem.prototype.GetStuckCandidateCount),box2d.b2ParticleSystem.prototype.ComputeCollisionEnergy=function(){for(var a=box2d.b2ParticleSystem.prototype.ComputeCollisionEnergy.s_v,b=this.m_velocityBuffer.data,c=0,d=0;d<this.m_contactBuffer.count;d++){var f=(e=this.m_contactBuffer.data[d]).normal,e=box2d.b2Sub_V2_V2(b[e.indexB],b[e.indexA],a);0>(f=box2d.b2Dot_V2_V2(e,f))&&(c+=f*f)}return.5*this.GetParticleMass()*c},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ComputeCollisionEnergy",box2d.b2ParticleSystem.prototype.ComputeCollisionEnergy),box2d.b2ParticleSystem.prototype.ComputeCollisionEnergy.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SetStrictContactCheck=function(a){this.m_def.strictContactCheck=a},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetStrictContactCheck",box2d.b2ParticleSystem.prototype.SetStrictContactCheck),box2d.b2ParticleSystem.prototype.GetStrictContactCheck=function(){return this.m_def.strictContactCheck},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetStrictContactCheck",box2d.b2ParticleSystem.prototype.GetStrictContactCheck),box2d.b2ParticleSystem.prototype.SetParticleLifetime=function(a,b){box2d.b2Assert(this.ValidateParticleIndex(a));var c=null===this.m_indexByExpirationTimeBuffer.data;if(this.m_expirationTimeBuffer.data=this.RequestBuffer(this.m_expirationTimeBuffer.data),this.m_indexByExpirationTimeBuffer.data=this.RequestBuffer(this.m_indexByExpirationTimeBuffer.data),c){c=this.GetParticleCount();for(var d=0;d<c;++d)this.m_indexByExpirationTimeBuffer.data[d]=d}(c=0<(c=b/this.m_def.lifetimeGranularity)?this.GetQuantizedTimeElapsed()+c:c)!==this.m_expirationTimeBuffer.data[a]&&(this.m_expirationTimeBuffer.data[a]=c,this.m_expirationTimeBufferRequiresSorting=!0)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetParticleLifetime",box2d.b2ParticleSystem.prototype.SetParticleLifetime),box2d.b2ParticleSystem.prototype.GetParticleLifetime=function(a){return box2d.b2Assert(this.ValidateParticleIndex(a)),this.ExpirationTimeToLifetime(this.GetExpirationTimeBuffer()[a])},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleLifetime",box2d.b2ParticleSystem.prototype.GetParticleLifetime),box2d.b2ParticleSystem.prototype.SetDestructionByAge=function(a){a&&this.GetExpirationTimeBuffer(),this.m_def.destroyByAge=a},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetDestructionByAge",box2d.b2ParticleSystem.prototype.SetDestructionByAge),box2d.b2ParticleSystem.prototype.GetDestructionByAge=function(){return this.m_def.destroyByAge},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetDestructionByAge",box2d.b2ParticleSystem.prototype.GetDestructionByAge),box2d.b2ParticleSystem.prototype.GetExpirationTimeBuffer=function(){return this.m_expirationTimeBuffer.data=this.RequestBuffer(this.m_expirationTimeBuffer.data),this.m_expirationTimeBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetExpirationTimeBuffer",box2d.b2ParticleSystem.prototype.GetExpirationTimeBuffer),box2d.b2ParticleSystem.prototype.ExpirationTimeToLifetime=function(a){return(0<a?a-this.GetQuantizedTimeElapsed():a)*this.m_def.lifetimeGranularity},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ExpirationTimeToLifetime",box2d.b2ParticleSystem.prototype.ExpirationTimeToLifetime),box2d.b2ParticleSystem.prototype.GetIndexByExpirationTimeBuffer=function(){return this.GetParticleCount()?this.SetParticleLifetime(0,this.GetParticleLifetime(0)):this.m_indexByExpirationTimeBuffer.data=this.RequestBuffer(this.m_indexByExpirationTimeBuffer.data),this.m_indexByExpirationTimeBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetIndexByExpirationTimeBuffer",box2d.b2ParticleSystem.prototype.GetIndexByExpirationTimeBuffer),box2d.b2ParticleSystem.prototype.ParticleApplyLinearImpulse=function(a,b){this.ApplyLinearImpulse(a,a+1,b)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ParticleApplyLinearImpulse",box2d.b2ParticleSystem.prototype.ParticleApplyLinearImpulse),box2d.b2ParticleSystem.prototype.ApplyLinearImpulse=function(a,b,c){var d=this.m_velocityBuffer.data,e=(b-a)*this.GetParticleMass();for(c=c.Clone().SelfMul(1/e);a<b;a++)d[a].SelfAdd(c)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ApplyLinearImpulse",box2d.b2ParticleSystem.prototype.ApplyLinearImpulse),box2d.b2ParticleSystem.IsSignificantForce=function(a){return 0!==a.x||0!==a.y},box2d.b2ParticleSystem.prototype.ParticleApplyForce=function(a,b){box2d.b2ParticleSystem.IsSignificantForce(b)&&this.ForceCanBeApplied(this.m_flagsBuffer.data[a])&&(this.PrepareForceBuffer(),this.m_forceBuffer[a].SelfAdd(b))},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ParticleApplyForce",box2d.b2ParticleSystem.prototype.ParticleApplyForce),box2d.b2ParticleSystem.prototype.ApplyForce=function(a,b,c){for(var d=0,e=a;e<b;e++)d|=this.m_flagsBuffer.data[e];if(box2d.b2Assert(this.ForceCanBeApplied(d)),c=c.Clone().SelfMul(1/(b-a)),box2d.b2ParticleSystem.IsSignificantForce(c))for(this.PrepareForceBuffer(),e=a;e<b;e++)this.m_forceBuffer[e].SelfAdd(c)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ApplyForce",box2d.b2ParticleSystem.prototype.ApplyForce),box2d.b2ParticleSystem.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetNext",box2d.b2ParticleSystem.prototype.GetNext),box2d.b2ParticleSystem.prototype.QueryAABB=function(a,b){if(0!==this.m_proxyBuffer.count)for(var c=this.m_proxyBuffer.count,d=box2d.std_lower_bound(this.m_proxyBuffer.data,0,c,box2d.b2ParticleSystem.computeTag(this.m_inverseDiameter*b.lowerBound.x,this.m_inverseDiameter*b.lowerBound.y),box2d.b2ParticleSystem.Proxy.CompareProxyTag),e=(c=box2d.std_upper_bound(this.m_proxyBuffer.data,d,c,box2d.b2ParticleSystem.computeTag(this.m_inverseDiameter*b.upperBound.x,this.m_inverseDiameter*b.upperBound.y),box2d.b2ParticleSystem.Proxy.CompareTagProxy),this.m_positionBuffer.data);d<c;++d){var f=this.m_proxyBuffer.data[d].index,g=e[f];if(b.lowerBound.x<g.x&&g.x<b.upperBound.x&&b.lowerBound.y<g.y&&g.y<b.upperBound.y&&!a.ReportParticle(this,f))break}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"QueryAABB",box2d.b2ParticleSystem.prototype.QueryAABB),box2d.b2ParticleSystem.prototype.QueryShapeAABB=function(a,b,c,d){var e=box2d.b2ParticleSystem.prototype.QueryShapeAABB.s_aabb;b.ComputeAABB(e,c,d||0),this.QueryAABB(a,e)};goog.exportProperty(box2d.b2ParticleSystem.prototype,"QueryShapeAABB",box2d.b2ParticleSystem.prototype.QueryShapeAABB),box2d.b2ParticleSystem.prototype.QueryShapeAABB.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.QueryPointAABB=function(a,b,c){var d=box2d.b2ParticleSystem.prototype.QueryPointAABB.s_aabb;c="number"==typeof c?c:box2d.b2_linearSlop,d.lowerBound.Set(b.x-c,b.y-c),d.upperBound.Set(b.x+c,b.y+c),this.QueryAABB(a,d)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"QueryPointAABB",box2d.b2ParticleSystem.prototype.QueryPointAABB),box2d.b2ParticleSystem.prototype.QueryPointAABB.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.RayCast=function(a,b,c){var d=box2d.b2ParticleSystem.prototype.RayCast.s_aabb,e=box2d.b2ParticleSystem.prototype.RayCast.s_p,f=box2d.b2ParticleSystem.prototype.RayCast.s_v,g=box2d.b2ParticleSystem.prototype.RayCast.s_n,h=box2d.b2ParticleSystem.prototype.RayCast.s_point;if(0!==this.m_proxyBuffer.count){var k=this.m_positionBuffer.data;box2d.b2Min_V2_V2(b,c,d.lowerBound),box2d.b2Max_V2_V2(b,c,d.upperBound);var l=1;c=box2d.b2Sub_V2_V2(c,b,f);var m;for(f=box2d.b2Dot_V2_V2(c,c),d=this.GetInsideBoundsEnumerator(d);0<=(m=d.GetNext());){var n=box2d.b2Sub_V2_V2(b,k[m],e),p=box2d.b2Dot_V2_V2(n,c);if(0<=(q=p*p-f*((q=box2d.b2Dot_V2_V2(n,n))-this.m_squaredDiameter))){var q,r=box2d.b2Sqrt(q);if(!((q=(-p-r)/f)>l)){if(0>q&&(0>(q=(-p+r)/f)||q>l))continue;if((n=box2d.b2AddMul_V2_S_V2(n,q,c,g)).Normalize(),m=a.ReportParticle(this,m,box2d.b2AddMul_V2_S_V2(b,q,c,h),n,q),0>=(l=box2d.b2Min(l,m)))break}}}}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"RayCast",box2d.b2ParticleSystem.prototype.RayCast),box2d.b2ParticleSystem.prototype.RayCast.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.RayCast.s_p=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.RayCast.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.RayCast.s_n=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.RayCast.s_point=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.ComputeAABB=function(a){var b=this.GetParticleCount();box2d.b2Assert(null!==a),a.lowerBound.x=+box2d.b2_maxFloat,a.lowerBound.y=+box2d.b2_maxFloat,a.upperBound.x=-box2d.b2_maxFloat,a.upperBound.y=-box2d.b2_maxFloat;for(var c=this.m_positionBuffer.data,d=0;d<b;d++){var e=c[d];box2d.b2Min_V2_V2(a.lowerBound,e,a.lowerBound),box2d.b2Max_V2_V2(a.upperBound,e,a.upperBound)}a.lowerBound.x-=this.m_particleDiameter,a.lowerBound.y-=this.m_particleDiameter,a.upperBound.x+=this.m_particleDiameter,a.upperBound.y+=this.m_particleDiameter},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ComputeAABB",box2d.b2ParticleSystem.prototype.ComputeAABB),box2d.b2ParticleSystem.UserOverridableBuffer=function(){},box2d.b2ParticleSystem.UserOverridableBuffer.prototype.data=null,box2d.b2ParticleSystem.UserOverridableBuffer.prototype.userSuppliedCapacity=0,box2d.b2ParticleSystem.Proxy=function(){},box2d.b2ParticleSystem.Proxy.prototype.index=box2d.b2_invalidParticleIndex,box2d.b2ParticleSystem.Proxy.prototype.tag=0,box2d.b2ParticleSystem.Proxy.CompareProxyProxy=function(a,b){return a.tag<b.tag},box2d.b2ParticleSystem.Proxy.CompareTagProxy=function(a,b){return a<b.tag},box2d.b2ParticleSystem.Proxy.CompareProxyTag=function(a,b){return a.tag<b},box2d.b2ParticleSystem.InsideBoundsEnumerator=function(a,b,c,d,e){this.m_system=a,this.m_xLower=(b&box2d.b2ParticleSystem.xMask)>>>0,this.m_xUpper=(c&box2d.b2ParticleSystem.xMask)>>>0,this.m_yLower=(b&box2d.b2ParticleSystem.yMask)>>>0,this.m_yUpper=(c&box2d.b2ParticleSystem.yMask)>>>0,this.m_first=d,this.m_last=e,box2d.b2Assert(this.m_first<=this.m_last)},box2d.b2ParticleSystem.InsideBoundsEnumerator.prototype.GetNext=function(){for(;this.m_first<this.m_last;){var a=(this.m_system.m_proxyBuffer.data[this.m_first].tag&box2d.b2ParticleSystem.xMask)>>>0,b=(this.m_system.m_proxyBuffer.data[this.m_first].tag&box2d.b2ParticleSystem.yMask)>>>0;if(box2d.b2Assert(b>=this.m_yLower),box2d.b2Assert(b<=this.m_yUpper),a>=this.m_xLower&&a<=this.m_xUpper)return this.m_system.m_proxyBuffer.data[this.m_first++].index;this.m_first++}return box2d.b2_invalidParticleIndex},box2d.b2ParticleSystem.ParticleListNode=function(){},box2d.b2ParticleSystem.ParticleListNode.prototype.list=null,box2d.b2ParticleSystem.ParticleListNode.prototype.next=null,box2d.b2ParticleSystem.ParticleListNode.prototype.count=0,box2d.b2ParticleSystem.ParticleListNode.prototype.index=0,box2d.b2ParticleSystem.k_pairFlags=box2d.b2ParticleFlag.b2_springParticle,box2d.b2ParticleSystem.k_triadFlags=box2d.b2ParticleFlag.b2_elasticParticle,box2d.b2ParticleSystem.k_noPressureFlags=box2d.b2ParticleFlag.b2_powderParticle|box2d.b2ParticleFlag.b2_tensileParticle,box2d.b2ParticleSystem.k_extraDampingFlags=box2d.b2ParticleFlag.b2_staticPressureParticle,box2d.b2ParticleSystem.k_barrierWallFlags=box2d.b2ParticleFlag.b2_barrierParticle|box2d.b2ParticleFlag.b2_wallParticle,box2d.b2ParticleSystem.prototype.FreeBuffer=function(a,b){null!==a&&(a.length=0)},box2d.b2ParticleSystem.prototype.FreeUserOverridableBuffer=function(a){0==a.userSuppliedCapacity&&this.FreeBuffer(a.data,this.m_internalAllocatedCapacity)},box2d.b2ParticleSystem.prototype.ReallocateBuffer3=function(a,b,c){return box2d.b2Assert(c>b),(a=a?a.slice():[]).length=c,a},box2d.b2ParticleSystem.prototype.ReallocateBuffer5=function(a,b,c,d,e){return box2d.b2Assert(d>c),box2d.b2Assert(!b||d<=b),e&&!a||b||(a=this.ReallocateBuffer3(a,c,d)),a},box2d.b2ParticleSystem.prototype.ReallocateBuffer4=function(a,b,c,d){return box2d.b2Assert(c>b),this.ReallocateBuffer5(a.data,a.userSuppliedCapacity,b,c,d)},box2d.b2ParticleSystem.prototype.RequestBuffer=function(a){return a||(0===this.m_internalAllocatedCapacity&&this.ReallocateInternalAllocatedBuffers(box2d.b2_minParticleSystemBufferCapacity),(a=[]).length=this.m_internalAllocatedCapacity),a},box2d.b2ParticleSystem.prototype.ReallocateHandleBuffers=function(a){box2d.b2Assert(a>this.m_internalAllocatedCapacity),this.m_handleIndexBuffer.data=this.ReallocateBuffer4(this.m_handleIndexBuffer,this.m_internalAllocatedCapacity,a,!0)},box2d.b2ParticleSystem.prototype.ReallocateInternalAllocatedBuffers=function(a){function b(a,b){return b&&a>b?b:a}if(a=b(a,this.m_def.maxCount),a=b(a,this.m_flagsBuffer.userSuppliedCapacity),a=b(a,this.m_positionBuffer.userSuppliedCapacity),a=b(a,this.m_velocityBuffer.userSuppliedCapacity),a=b(a,this.m_colorBuffer.userSuppliedCapacity),a=b(a,this.m_userDataBuffer.userSuppliedCapacity),this.m_internalAllocatedCapacity<a){this.ReallocateHandleBuffers(a),this.m_flagsBuffer.data=this.ReallocateBuffer4(this.m_flagsBuffer,this.m_internalAllocatedCapacity,a,!1);var c=0<this.m_stuckThreshold;this.m_lastBodyContactStepBuffer.data=this.ReallocateBuffer4(this.m_lastBodyContactStepBuffer,this.m_internalAllocatedCapacity,a,c),this.m_bodyContactCountBuffer.data=this.ReallocateBuffer4(this.m_bodyContactCountBuffer,this.m_internalAllocatedCapacity,a,c),this.m_consecutiveContactStepsBuffer.data=this.ReallocateBuffer4(this.m_consecutiveContactStepsBuffer,this.m_internalAllocatedCapacity,a,c),this.m_positionBuffer.data=this.ReallocateBuffer4(this.m_positionBuffer,this.m_internalAllocatedCapacity,a,!1),this.m_velocityBuffer.data=this.ReallocateBuffer4(this.m_velocityBuffer,this.m_internalAllocatedCapacity,a,!1),this.m_forceBuffer=this.ReallocateBuffer5(this.m_forceBuffer,0,this.m_internalAllocatedCapacity,a,!1),this.m_weightBuffer=this.ReallocateBuffer5(this.m_weightBuffer,0,this.m_internalAllocatedCapacity,a,!1),this.m_staticPressureBuffer=this.ReallocateBuffer5(this.m_staticPressureBuffer,0,this.m_internalAllocatedCapacity,a,!0),this.m_accumulationBuffer=this.ReallocateBuffer5(this.m_accumulationBuffer,0,this.m_internalAllocatedCapacity,a,!1),this.m_accumulation2Buffer=this.ReallocateBuffer5(this.m_accumulation2Buffer,0,this.m_internalAllocatedCapacity,a,!0),this.m_depthBuffer=this.ReallocateBuffer5(this.m_depthBuffer,0,this.m_internalAllocatedCapacity,a,!0),this.m_colorBuffer.data=this.ReallocateBuffer4(this.m_colorBuffer,this.m_internalAllocatedCapacity,a,!0),this.m_groupBuffer=this.ReallocateBuffer5(this.m_groupBuffer,0,this.m_internalAllocatedCapacity,a,!1),this.m_userDataBuffer.data=this.ReallocateBuffer4(this.m_userDataBuffer,this.m_internalAllocatedCapacity,a,!0),this.m_expirationTimeBuffer.data=this.ReallocateBuffer4(this.m_expirationTimeBuffer,this.m_internalAllocatedCapacity,a,!0),this.m_indexByExpirationTimeBuffer.data=this.ReallocateBuffer4(this.m_indexByExpirationTimeBuffer,this.m_internalAllocatedCapacity,a,!1),this.m_internalAllocatedCapacity=a}},box2d.b2ParticleSystem.prototype.CreateParticleForGroup=function(a,b,c){var d=new box2d.b2ParticleDef;d.flags=a.flags,box2d.b2Mul_X_V2(b,c,d.position),box2d.b2Add_V2_V2(a.linearVelocity,box2d.b2Cross_S_V2(a.angularVelocity,box2d.b2Sub_V2_V2(d.position,a.position,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),d.velocity),d.color.Copy(a.color),d.lifetime=a.lifetime,d.userData=a.userData,this.CreateParticle(d)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticleForGroup",box2d.b2ParticleSystem.prototype.CreateParticleForGroup),box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup=function(a,b,c){var d=box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_edge,e=box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_d,f=box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_p,g=b.stride;0===g&&(g=this.GetParticleStride());for(var h=0,k=a.GetChildCount(),l=0;l<k;l++){var m=null;a.GetType()===box2d.b2ShapeType.e_edgeShape?m=a:(box2d.b2Assert(a.GetType()===box2d.b2ShapeType.e_chainShape),m=d,a.GetChildEdge(m,l));for(var n=box2d.b2Sub_V2_V2(m.m_vertex2,m.m_vertex1,e),p=n.Length();h<p;){var q=box2d.b2AddMul_V2_S_V2(m.m_vertex1,h/p,n,f);this.CreateParticleForGroup(b,c,q),h+=g}h-=p}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticlesStrokeShapeForGroup",box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup),box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_edge=new box2d.b2EdgeShape,box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_d=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_p=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup=function(a,b,c){var d=box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup.s_aabb,e=box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup.s_p,f=b.stride;0===f&&(f=this.GetParticleStride());var g=box2d.b2Transform.IDENTITY;box2d.b2Assert(1===a.GetChildCount()),a.ComputeAABB(d,g,0);for(var h=Math.floor(d.lowerBound.y/f)*f;h<d.upperBound.y;h+=f)for(var k=Math.floor(d.lowerBound.x/f)*f;k<d.upperBound.x;k+=f){var l=e.Set(k,h);a.TestPoint(g,l)&&this.CreateParticleForGroup(b,c,l)}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticlesFillShapeForGroup",box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup),box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup.s_p=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.CreateParticlesWithShapeForGroup=function(a,b,c){switch(a.GetType()){case box2d.b2ShapeType.e_edgeShape:case box2d.b2ShapeType.e_chainShape:this.CreateParticlesStrokeShapeForGroup(a,b,c);break;case box2d.b2ShapeType.e_polygonShape:case box2d.b2ShapeType.e_circleShape:this.CreateParticlesFillShapeForGroup(a,b,c);break;default:box2d.b2Assert(!1)}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticlesWithShapeForGroup",box2d.b2ParticleSystem.prototype.CreateParticlesWithShapeForGroup),box2d.b2ParticleSystem.CompositeShape=function(a,b){this.m_shapes=a,this.m_shapeCount=b},goog.inherits(box2d.b2ParticleSystem.CompositeShape,box2d.b2Shape),box2d.b2ParticleSystem.CompositeShape.prototype.m_shapes=null,box2d.b2ParticleSystem.CompositeShape.prototype.m_shapeCount=0,box2d.b2ParticleSystem.CompositeShape.prototype.Clone=function(){return box2d.b2Assert(!1),null},box2d.b2ParticleSystem.CompositeShape.prototype.GetChildCount=function(){return 1},box2d.b2ParticleSystem.CompositeShape.prototype.TestPoint=function(a,b){for(var c=0;c<this.m_shapeCount;c++)if(this.m_shapes[c].TestPoint(a,b))return!0;return!1},goog.exportProperty(box2d.b2ParticleSystem.CompositeShape.prototype,"TestPoint",box2d.b2ParticleSystem.CompositeShape.prototype.TestPoint),box2d.b2ParticleSystem.CompositeShape.prototype.ComputeDistance=function(a,b,c,d){return box2d.b2Assert(!1),0},goog.exportProperty(box2d.b2ParticleSystem.CompositeShape.prototype,"ComputeDistance",box2d.b2ParticleSystem.CompositeShape.prototype.ComputeDistance),box2d.b2ParticleSystem.CompositeShape.prototype.RayCast=function(a,b,c,d){return box2d.b2Assert(!1),!1},goog.exportProperty(box2d.b2ParticleSystem.CompositeShape.prototype,"RayCast",box2d.b2ParticleSystem.CompositeShape.prototype.RayCast),box2d.b2ParticleSystem.CompositeShape.prototype.ComputeAABB=function(a,b,c){var d=new box2d.b2AABB;for(a.lowerBound.x=+box2d.b2_maxFloat,a.lowerBound.y=+box2d.b2_maxFloat,a.upperBound.x=-box2d.b2_maxFloat,a.upperBound.y=-box2d.b2_maxFloat,box2d.b2Assert(0===c),c=0;c<this.m_shapeCount;c++)for(var e=this.m_shapes[c].GetChildCount(),f=0;f<e;f++){var g=d;this.m_shapes[c].ComputeAABB(g,b,f),a.Combine1(g)}},goog.exportProperty(box2d.b2ParticleSystem.CompositeShape.prototype,"ComputeAABB",box2d.b2ParticleSystem.CompositeShape.prototype.ComputeAABB),box2d.b2ParticleSystem.CompositeShape.prototype.ComputeMass=function(a,b){box2d.b2Assert(!1)},goog.exportProperty(box2d.b2ParticleSystem.CompositeShape.prototype,"ComputeMass",box2d.b2ParticleSystem.CompositeShape.prototype.ComputeMass),box2d.b2ParticleSystem.prototype.CreateParticlesWithShapesForGroup=function(a,b,c,d){a=new box2d.b2ParticleSystem.CompositeShape(a,b),this.CreateParticlesFillShapeForGroup(a,c,d)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticlesWithShapesForGroup",box2d.b2ParticleSystem.prototype.CreateParticlesWithShapesForGroup),box2d.b2ParticleSystem.prototype.CloneParticle=function(a,b){var c=new box2d.b2ParticleDef;if(c.flags=this.m_flagsBuffer.data[a],c.position.Copy(this.m_positionBuffer.data[a]),c.velocity.Copy(this.m_velocityBuffer.data[a]),this.m_colorBuffer.data&&c.color.Copy(this.m_colorBuffer.data[a]),this.m_userDataBuffer.data&&(c.userData=this.m_userDataBuffer.data[a]),c.group=b,c=this.CreateParticle(c),this.m_handleIndexBuffer.data){var d=this.m_handleIndexBuffer.data[a];d&&d.SetIndex(c),this.m_handleIndexBuffer.data[c]=d,this.m_handleIndexBuffer.data[a]=null}return this.m_lastBodyContactStepBuffer.data&&(this.m_lastBodyContactStepBuffer.data[c]=this.m_lastBodyContactStepBuffer.data[a]),this.m_bodyContactCountBuffer.data&&(this.m_bodyContactCountBuffer.data[c]=this.m_bodyContactCountBuffer.data[a]),this.m_consecutiveContactStepsBuffer.data&&(this.m_consecutiveContactStepsBuffer.data[c]=this.m_consecutiveContactStepsBuffer.data[a]),this.m_hasForce&&this.m_forceBuffer[c].Copy(this.m_forceBuffer[a]),this.m_staticPressureBuffer&&(this.m_staticPressureBuffer[c]=this.m_staticPressureBuffer[a]),this.m_depthBuffer&&(this.m_depthBuffer[c]=this.m_depthBuffer[a]),this.m_expirationTimeBuffer.data&&(this.m_expirationTimeBuffer.data[c]=this.m_expirationTimeBuffer.data[a]),c},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CloneParticle",box2d.b2ParticleSystem.prototype.CloneParticle),box2d.b2ParticleSystem.prototype.DestroyParticlesInGroup=function(a,b){for(var c=a.m_firstIndex;c<a.m_lastIndex;c++)this.DestroyParticle(c,b)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"DestroyParticlesInGroup",box2d.b2ParticleSystem.prototype.DestroyParticlesInGroup),box2d.b2ParticleSystem.prototype.DestroyParticleGroup=function(a){box2d.b2Assert(0<this.m_groupCount),box2d.b2Assert(null!==a),this.m_world.m_destructionListener&&this.m_world.m_destructionListener.SayGoodbyeParticleGroup(a),this.SetGroupFlags(a,0);for(var b=a.m_firstIndex;b<a.m_lastIndex;b++)this.m_groupBuffer[b]=null;a.m_prev&&(a.m_prev.m_next=a.m_next),a.m_next&&(a.m_next.m_prev=a.m_prev),a===this.m_groupList&&(this.m_groupList=a.m_next),--this.m_groupCount},goog.exportProperty(box2d.b2ParticleSystem.prototype,"DestroyParticleGroup",box2d.b2ParticleSystem.prototype.DestroyParticleGroup),box2d.b2ParticleSystem.ParticleCanBeConnected=function(a,b){return 0!=(a&(box2d.b2ParticleFlag.b2_wallParticle|box2d.b2ParticleFlag.b2_springParticle|box2d.b2ParticleFlag.b2_elasticParticle))||null!==b&&0!=(b.GetGroupFlags()&box2d.b2ParticleGroupFlag.b2_rigidParticleGroup)},box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads=function(a,b,c){var d=box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dab,e=box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dbc,f=box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dca,g=this.m_positionBuffer.data;box2d.b2Assert(a<=b);for(var h=0,k=a;k<b;k++)h|=this.m_flagsBuffer.data[k];if(h&box2d.b2ParticleSystem.k_pairFlags)for(k=0;k<this.m_contactBuffer.count;k++){var l=this.m_contactBuffer.data[k],m=l.indexA,n=l.indexB,p=this.m_flagsBuffer.data[m],q=this.m_flagsBuffer.data[n],r=this.m_groupBuffer[m],u=this.m_groupBuffer[n];m>=a&&m<b&&n>=a&&n<b&&!((p|q)&box2d.b2ParticleFlag.b2_zombieParticle)&&(p|q)&box2d.b2ParticleSystem.k_pairFlags&&(c.IsNecessary(m)||c.IsNecessary(n))&&box2d.b2ParticleSystem.ParticleCanBeConnected(p,r)&&box2d.b2ParticleSystem.ParticleCanBeConnected(q,u)&&c.ShouldCreatePair(m,n)&&((p=this.m_pairBuffer.data[this.m_pairBuffer.Append()]).indexA=m,p.indexB=n,p.flags=l.flags,p.strength=box2d.b2Min(r?r.m_strength:1,u?u.m_strength:1),p.distance=box2d.b2Distance(g[m],g[n])),box2d.std_stable_sort(this.m_pairBuffer.data,0,this.m_pairBuffer.count,box2d.b2ParticleSystem.ComparePairIndices),this.m_pairBuffer.Unique(box2d.b2ParticleSystem.MatchPairIndices)}if(h&box2d.b2ParticleSystem.k_triadFlags){for(h=new box2d.b2VoronoiDiagram(b-a),l=0,k=a;k<b;k++)m=this.m_flagsBuffer.data[k],n=this.m_groupBuffer[k],m&box2d.b2ParticleFlag.b2_zombieParticle||!box2d.b2ParticleSystem.ParticleCanBeConnected(m,n)||(c.IsNecessary(k)&&++l,h.AddGenerator(g[k],k,c.IsNecessary(k)));if(0===l)for(k=a;k<b;k++)c.IsNecessary(k);a=this.GetParticleStride(),h.Generate(a/2,2*a);var t=this;h.GetNodes(function(a,b,h){var k=t.m_flagsBuffer.data[a],l=t.m_flagsBuffer.data[b],m=t.m_flagsBuffer.data[h];if((k|l|m)&box2d.b2ParticleSystem.k_triadFlags&&c.ShouldCreateTriad(a,b,h)){var n=g[a],p=g[b],q=g[h],r=box2d.b2Sub_V2_V2(n,p,d),u=box2d.b2Sub_V2_V2(p,q,e),C=box2d.b2Sub_V2_V2(q,n,f),A=box2d.b2_maxTriadDistanceSquared*t.m_squaredDiameter;if(!(box2d.b2Dot_V2_V2(r,r)>A||box2d.b2Dot_V2_V2(u,u)>A||box2d.b2Dot_V2_V2(C,C)>A)){var K=t.m_groupBuffer[a],J=t.m_groupBuffer[b],D=t.m_groupBuffer[h];(A=t.m_triadBuffer.data[t.m_triadBuffer.Append()]).indexA=a,A.indexB=b,A.indexC=h,A.flags=k|l|m,A.strength=box2d.b2Min(box2d.b2Min(K?K.m_strength:1,J?J.m_strength:1),D?D.m_strength:1),a=(n.x+p.x+q.x)/3,b=(n.y+p.y+q.y)/3,A.pa.x=n.x-a,A.pa.y=n.y-b,A.pb.x=p.x-a,A.pb.y=p.y-b,A.pc.x=q.x-a,A.pc.y=q.y-b,A.ka=-box2d.b2Dot_V2_V2(C,r),A.kb=-box2d.b2Dot_V2_V2(r,u),A.kc=-box2d.b2Dot_V2_V2(u,C),A.s=box2d.b2Cross_V2_V2(n,p)+box2d.b2Cross_V2_V2(p,q)+box2d.b2Cross_V2_V2(q,n)}}}),box2d.std_stable_sort(this.m_triadBuffer.data,0,this.m_triadBuffer.count,box2d.b2ParticleSystem.CompareTriadIndices),this.m_triadBuffer.Unique(box2d.b2ParticleSystem.MatchTriadIndices)}},box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dab=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dbc=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dca=new box2d.b2Vec2,box2d.b2ParticleSystem.ReactiveFilter=function(a){this.m_flagsBuffer=a},goog.inherits(box2d.b2ParticleSystem.ReactiveFilter,box2d.b2ParticleSystem.ConnectionFilter),box2d.b2ParticleSystem.ReactiveFilter.prototype.m_flagsBuffer=null,box2d.b2ParticleSystem.ReactiveFilter.prototype.IsNecessary=function(a){return 0!=(this.m_flagsBuffer[a]&box2d.b2ParticleFlag.b2_reactiveParticle)},box2d.b2ParticleSystem.prototype.UpdatePairsAndTriadsWithReactiveParticles=function(){var a=new box2d.b2ParticleSystem.ReactiveFilter(this.m_flagsBuffer);for(this.UpdatePairsAndTriads(0,this.m_count,a),a=0;a<this.m_count;a++)this.m_flagsBuffer.data[a]&=~box2d.b2ParticleFlag.b2_reactiveParticle;this.m_allParticleFlags&=~box2d.b2ParticleFlag.b2_reactiveParticle},box2d.b2ParticleSystem.ComparePairIndices=function(a,b){var c=a.indexA-b.indexA;return 0!==c?0>c:a.indexB<b.indexB},box2d.b2ParticleSystem.MatchPairIndices=function(a,b){return a.indexA===b.indexA&&a.indexB===b.indexB},box2d.b2ParticleSystem.CompareTriadIndices=function(a,b){var c=a.indexA-b.indexA;return 0!==c?0>c:0!==(c=a.indexB-b.indexB)?0>c:a.indexC<b.indexC},box2d.b2ParticleSystem.MatchTriadIndices=function(a,b){return a.indexA===b.indexA&&a.indexB===b.indexB&&a.indexC===b.indexC},box2d.b2ParticleSystem.InitializeParticleLists=function(a,b){for(var c=a.GetBufferIndex(),d=a.GetParticleCount(),e=0;e<d;e++){var f=b[e];f.list=f,f.next=null,f.count=1,f.index=e+c}},box2d.b2ParticleSystem.prototype.MergeParticleListsInContact=function(a,b){for(var c=a.GetBufferIndex(),d=0;d<this.m_contactBuffer.count;d++){var f=(e=this.m_contactBuffer.data[d]).indexA,e=e.indexB;if(a.ContainsParticle(f)&&a.ContainsParticle(e)&&(f=b[f-c].list)!==(e=b[e-c].list)){if(f.count<e.count){var g=f;f=e,e=g}box2d.b2Assert(f.count>=e.count),box2d.b2ParticleSystem.MergeParticleLists(f,e)}}},box2d.b2ParticleSystem.MergeParticleLists=function(a,b){box2d.b2Assert(a!==b);for(var c=b;;){c.list=a;var d=c.next;if(!d){c.next=a.next;break}c=d}a.next=b,a.count+=b.count,b.count=0},box2d.b2ParticleSystem.FindLongestParticleList=function(a,b){for(var c=a.GetParticleCount(),d=b[0],e=0;e<c;e++){var f=b[e];d.count<f.count&&(d=f)}return d},box2d.b2ParticleSystem.prototype.MergeZombieParticleListNodes=function(a,b,c){a=a.GetParticleCount();for(var d=0;d<a;d++){var e=b[d];e!==c&&this.m_flagsBuffer.data[e.index]&box2d.b2ParticleFlag.b2_zombieParticle&&box2d.b2ParticleSystem.MergeParticleListAndNode(c,e)}},box2d.b2ParticleSystem.MergeParticleListAndNode=function(a,b){box2d.b2Assert(b!==a),box2d.b2Assert(b.list===b),box2d.b2Assert(1===b.count),b.list=a,b.next=a.next,a.next=b,a.count++,b.count=0},box2d.b2ParticleSystem.prototype.CreateParticleGroupsFromParticleList=function(a,b,c){var d=a.GetParticleCount(),e=new box2d.b2ParticleGroupDef;for(e.groupFlags=a.GetGroupFlags(),e.userData=a.GetUserData(),a=0;a<d;a++){var f=b[a];if(f.count&&f!==c){box2d.b2Assert(f.list===f);for(var g=this.CreateParticleGroup(e);f;f=f.next){var h=f.index;box2d.b2Assert(!(this.m_flagsBuffer.data[h]&box2d.b2ParticleFlag.b2_zombieParticle));var k=this.CloneParticle(h,g);this.m_flagsBuffer.data[h]|=box2d.b2ParticleFlag.b2_zombieParticle,f.index=k}}}},box2d.b2ParticleSystem.prototype.UpdatePairsAndTriadsWithParticleList=function(a,b){for(var c=a.GetBufferIndex(),d=0;d<this.m_pairBuffer.count;d++){var f=(e=this.m_pairBuffer.data[d]).indexA,g=e.indexB;a.ContainsParticle(f)&&(e.indexA=b[f-c].index),a.ContainsParticle(g)&&(e.indexB=b[g-c].index)}for(d=0;d<this.m_triadBuffer.count;d++){f=(e=this.m_triadBuffer.data[d]).indexA,g=e.indexB;var e,h=e.indexC;a.ContainsParticle(f)&&(e.indexA=b[f-c].index),a.ContainsParticle(g)&&(e.indexB=b[g-c].index),a.ContainsParticle(h)&&(e.indexC=b[h-c].index)}},box2d.b2ParticleSystem.prototype.ComputeDepth=function(){for(var a=[],b=0,c=0;c<this.m_contactBuffer.count;c++){var e=(d=this.m_contactBuffer.data[c]).indexA,f=d.indexB,g=this.m_groupBuffer[e],h=this.m_groupBuffer[f];g&&g===h&&g.m_groupFlags&box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth&&(a[b++]=d)}for(g=[],h=0,c=this.m_groupList;c;c=c.GetNext())if(c.m_groupFlags&box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth)for(g[h++]=c,this.SetGroupFlags(c,c.m_groupFlags&~box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth),f=c.m_firstIndex;f<c.m_lastIndex;f++)this.m_accumulationBuffer[f]=0;for(c=0;c<b;c++){e=(d=a[c]).indexA,f=d.indexB;var k=d.weight;this.m_accumulationBuffer[e]+=k,this.m_accumulationBuffer[f]+=k}for(box2d.b2Assert(null!==this.m_depthBuffer),f=0;f<h;f++)for(f=(c=g[f]).m_firstIndex;f<c.m_lastIndex;f++)k=this.m_accumulationBuffer[f],this.m_depthBuffer[f]=.8>k?0:box2d.b2_maxFloat;k=box2d.b2Sqrt(this.m_count)>>0;for(var l=0;l<k;l++){var m=!1;for(c=0;c<b;c++){e=(d=a[c]).indexA,f=d.indexB;var n=1-d.weight,d=this.m_depthBuffer[e],p=this.m_depthBuffer[f],q=p+n;n=d+n;d>q&&(this.m_depthBuffer[e]=q,m=!0),p>n&&(this.m_depthBuffer[f]=n,m=!0)}if(!m)break}for(f=0;f<h;f++)for(f=(c=g[f]).m_firstIndex;f<c.m_lastIndex;f++)this.m_depthBuffer[f]=this.m_depthBuffer[f]<box2d.b2_maxFloat?this.m_depthBuffer[f]*this.m_particleDiameter:0},box2d.b2ParticleSystem.prototype.GetInsideBoundsEnumerator=function(a){var b=box2d.b2ParticleSystem.computeTag(this.m_inverseDiameter*a.lowerBound.x-1,this.m_inverseDiameter*a.lowerBound.y-1);a=box2d.b2ParticleSystem.computeTag(this.m_inverseDiameter*a.upperBound.x+1,this.m_inverseDiameter*a.upperBound.y+1);var c=this.m_proxyBuffer.count,d=box2d.std_lower_bound(this.m_proxyBuffer.data,0,c,b,box2d.b2ParticleSystem.Proxy.CompareProxyTag),e=box2d.std_upper_bound(this.m_proxyBuffer.data,0,c,a,box2d.b2ParticleSystem.Proxy.CompareTagProxy);return box2d.b2Assert(0<=d),box2d.b2Assert(d<=e),box2d.b2Assert(e<=c),new box2d.b2ParticleSystem.InsideBoundsEnumerator(this,b,a,d,e)},box2d.b2ParticleSystem.prototype.UpdateAllParticleFlags=function(){for(var a=this.m_allParticleFlags=0;a<this.m_count;a++)this.m_allParticleFlags|=this.m_flagsBuffer.data[a];this.m_needsUpdateAllParticleFlags=!1},box2d.b2ParticleSystem.prototype.UpdateAllGroupFlags=function(){this.m_allGroupFlags=0;for(var a=this.m_groupList;a;a=a.GetNext())this.m_allGroupFlags|=a.m_groupFlags;this.m_needsUpdateAllGroupFlags=!1},box2d.b2ParticleSystem.prototype.AddContact=function(a,b,c){var d=box2d.b2ParticleSystem.prototype.AddContact.s_d,e=this.m_positionBuffer.data;if(box2d.b2Assert(c===this.m_contactBuffer),c=box2d.b2Sub_V2_V2(e[b],e[a],d),(d=box2d.b2Dot_V2_V2(c,c))<this.m_squaredDiameter){e=box2d.b2InvSqrt(d),isFinite(e)||(e=198177537e11);var f=this.m_contactBuffer.data[this.m_contactBuffer.Append()];f.indexA=a,f.indexB=b,f.flags=this.m_flagsBuffer.data[a]|this.m_flagsBuffer.data[b],f.weight=1-d*e*this.m_inverseDiameter,box2d.b2Mul_S_V2(e,c,f.normal)}},box2d.b2ParticleSystem.prototype.AddContact.s_d=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.FindContacts_Reference=function(a){box2d.b2Assert(a===this.m_contactBuffer),a=this.m_proxyBuffer.count;for(var b=this.m_contactBuffer.count=0,c=0;b<a;b++){for(var d=box2d.b2ParticleSystem.computeRelativeTag(this.m_proxyBuffer.data[b].tag,1,0),e=b+1;e<a&&!(d<this.m_proxyBuffer.data[e].tag);e++)this.AddContact(this.m_proxyBuffer.data[b].index,this.m_proxyBuffer.data[e].index,this.m_contactBuffer);for(e=box2d.b2ParticleSystem.computeRelativeTag(this.m_proxyBuffer.data[b].tag,-1,1);c<a&&!(e<=this.m_proxyBuffer.data[c].tag);c++);for(d=box2d.b2ParticleSystem.computeRelativeTag(this.m_proxyBuffer.data[b].tag,1,1),e=c;e<a&&!(d<this.m_proxyBuffer.data[e].tag);e++)this.AddContact(this.m_proxyBuffer.data[b].index,this.m_proxyBuffer.data[e].index,this.m_contactBuffer)}},box2d.b2ParticleSystem.prototype.FindContacts=function(a){this.FindContacts_Reference(a)},box2d.b2ParticleSystem.prototype.UpdateProxies_Reference=function(a){box2d.b2Assert(a===this.m_proxyBuffer),a=this.m_positionBuffer.data;for(var b=this.m_inverseDiameter,c=0;c<this.m_proxyBuffer.count;++c){var d=this.m_proxyBuffer.data[c],e=a[d.index];d.tag=box2d.b2ParticleSystem.computeTag(b*e.x,b*e.y)}},box2d.b2ParticleSystem.prototype.UpdateProxies=function(a){this.UpdateProxies_Reference(a)},box2d.b2ParticleSystem.prototype.SortProxies=function(a){box2d.b2Assert(a===this.m_proxyBuffer),box2d.std_sort(this.m_proxyBuffer.data,0,this.m_proxyBuffer.count,box2d.b2ParticleSystem.Proxy.CompareProxyProxy)},box2d.b2ParticleSystem.prototype.FilterContacts=function(a){var b=this.GetParticleContactFilter();if(null!==b){box2d.b2Assert(a===this.m_contactBuffer);var c=this;this.m_contactBuffer.RemoveIf(function(a){return a.flags&box2d.b2ParticleFlag.b2_particleContactFilterParticle&&!b.ShouldCollideParticleParticle(c,a.indexA,a.indexB)})}},box2d.b2ParticleSystem.prototype.NotifyContactListenerPreContact=function(a){if(null!==this.GetParticleContactListener())throw a.Initialize(this.m_contactBuffer,this.m_flagsBuffer),Error()},box2d.b2ParticleSystem.prototype.NotifyContactListenerPostContact=function(a){if(null!==(a=this.GetParticleContactListener())){for(var b=0;b<this.m_contactBuffer.count;++b)a.BeginContactParticleParticle(this,this.m_contactBuffer.data[b]);throw Error()}},box2d.b2ParticleSystem.b2ParticleContactIsZombie=function(a){return(a.flags&box2d.b2ParticleFlag.b2_zombieParticle)===box2d.b2ParticleFlag.b2_zombieParticle},box2d.b2ParticleSystem.prototype.UpdateContacts=function(a){this.UpdateProxies(this.m_proxyBuffer),this.SortProxies(this.m_proxyBuffer);var b=new box2d.b2ParticleSystem.b2ParticlePairSet;this.NotifyContactListenerPreContact(b),this.FindContacts(this.m_contactBuffer),this.FilterContacts(this.m_contactBuffer),this.NotifyContactListenerPostContact(b),a&&this.m_contactBuffer.RemoveIf(box2d.b2ParticleSystem.b2ParticleContactIsZombie)},box2d.b2ParticleSystem.prototype.NotifyBodyContactListenerPreContact=function(a){if(null!==this.GetFixtureContactListener())throw a.Initialize(this.m_bodyContactBuffer,this.m_flagsBuffer),Error()},box2d.b2ParticleSystem.prototype.NotifyBodyContactListenerPostContact=function(a){if(null!==(a=this.GetFixtureContactListener())){for(var b=0;b<this.m_bodyContactBuffer.count;b++){var c=this.m_bodyContactBuffer.data[b];box2d.b2Assert(null!==c),a.BeginContactFixtureParticle(this,c)}throw Error()}},box2d.b2ParticleSystem.UpdateBodyContactsCallback=function(a,b){box2d.b2FixtureParticleQueryCallback.call(this,a),this.m_contactFilter=b},goog.inherits(box2d.b2ParticleSystem.UpdateBodyContactsCallback,box2d.b2FixtureParticleQueryCallback),box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ShouldCollideFixtureParticle=function(a,b,c){return!(this.m_contactFilter&&this.m_system.GetFlagsBuffer()[c]&box2d.b2ParticleFlag.b2_fixtureContactFilterParticle)||this.m_contactFilter.ShouldCollideFixtureParticle(a,this.m_system,c)},goog.exportProperty(box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype,"ShouldCollideFixtureParticle",box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ShouldCollideFixtureParticle),box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle=function(a,b,c){var d=box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle.s_rp,e=this.m_system.m_positionBuffer.data[c],f=box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle.s_n;if((b=a.ComputeDistance(e,f,b))<this.m_system.m_particleDiameter&&this.ShouldCollideFixtureParticle(a,this.m_system,c)){var g=a.GetBody(),h=g.GetWorldCenter(),k=g.GetMass(),l=g.GetInertia()-k*g.GetLocalCenter().LengthSquared(),m=(k=0<k?1/k:0,l=0<l?1/l:0,this.m_system.m_flagsBuffer.data[c]&box2d.b2ParticleFlag.b2_wallParticle?0:this.m_system.GetParticleInvMass());d=box2d.b2Sub_V2_V2(e,h,d),d=m+k+l*(d=box2d.b2Cross_V2_V2(d,f))*d;(e=this.m_system.m_bodyContactBuffer.data[this.m_system.m_bodyContactBuffer.Append()]).index=c,e.body=g,e.fixture=a,e.weight=1-b*this.m_system.m_inverseDiameter,e.normal.Copy(f.SelfNeg()),e.mass=0<d?1/d:0,this.m_system.DetectStuckParticle(c)}},goog.exportProperty(box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype,"ReportFixtureAndParticle",box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle),box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle.s_n=new box2d.b2Vec2,box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle.s_rp=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.UpdateBodyContacts=function(){var a=box2d.b2ParticleSystem.prototype.UpdateBodyContacts.s_aabb,b=new box2d.b2ParticleSystem.FixtureParticleSet;if(this.NotifyBodyContactListenerPreContact(b),0<this.m_stuckThreshold)for(var c=this.GetParticleCount(),d=0;d<c;d++)this.m_bodyContactCountBuffer.data[d]=0,this.m_timestamp>this.m_lastBodyContactStepBuffer.data[d]+1&&(this.m_consecutiveContactStepsBuffer.data[d]=0);this.m_bodyContactBuffer.SetCount(0),this.m_stuckParticleBuffer.SetCount(0),this.ComputeAABB(a),c=new box2d.b2ParticleSystem.UpdateBodyContactsCallback(this,this.GetFixtureContactFilter()),this.m_world.QueryAABB(c,a),this.m_def.strictContactCheck&&this.RemoveSpuriousBodyContacts(),this.NotifyBodyContactListenerPostContact(b)},box2d.b2ParticleSystem.prototype.UpdateBodyContacts.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.Solve=function(a){var b=box2d.b2ParticleSystem.prototype.Solve.s_subStep;if(0!==this.m_count&&(this.m_expirationTimeBuffer.data&&this.SolveLifetimes(a),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_zombieParticle&&this.SolveZombie(),this.m_needsUpdateAllParticleFlags&&this.UpdateAllParticleFlags(),this.m_needsUpdateAllGroupFlags&&this.UpdateAllGroupFlags(),!this.m_paused))for(this.m_iterationIndex=0;this.m_iterationIndex<a.particleIterations;this.m_iterationIndex++){++this.m_timestamp;var c=b.Copy(a);c.dt/=a.particleIterations,c.inv_dt*=a.particleIterations,this.UpdateContacts(!1),this.UpdateBodyContacts(),this.ComputeWeight(),this.m_allGroupFlags&box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth&&this.ComputeDepth(),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_reactiveParticle&&this.UpdatePairsAndTriadsWithReactiveParticles(),this.m_hasForce&&this.SolveForce(c),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_viscousParticle&&this.SolveViscous(),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_repulsiveParticle&&this.SolveRepulsive(c),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_powderParticle&&this.SolvePowder(c),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_tensileParticle&&this.SolveTensile(c),this.m_allGroupFlags&box2d.b2ParticleGroupFlag.b2_solidParticleGroup&&this.SolveSolid(c),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_colorMixingParticle&&this.SolveColorMixing(),this.SolveGravity(c),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_staticPressureParticle&&this.SolveStaticPressure(c),this.SolvePressure(c),this.SolveDamping(c),this.m_allParticleFlags&box2d.b2ParticleSystem.k_extraDampingFlags&&this.SolveExtraDamping(),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_elasticParticle&&this.SolveElastic(c),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_springParticle&&this.SolveSpring(c),this.LimitVelocity(c),this.m_allGroupFlags&box2d.b2ParticleGroupFlag.b2_rigidParticleGroup&&this.SolveRigidDamping(),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_barrierParticle&&this.SolveBarrier(c),this.SolveCollision(c),this.m_allGroupFlags&box2d.b2ParticleGroupFlag.b2_rigidParticleGroup&&this.SolveRigid(c),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_wallParticle&&this.SolveWall();for(var d=0;d<this.m_count;d++)this.m_positionBuffer.data[d].SelfMulAdd(c.dt,this.m_velocityBuffer.data[d])}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"Solve",box2d.b2ParticleSystem.prototype.Solve),box2d.b2ParticleSystem.prototype.Solve.s_subStep=new box2d.b2TimeStep,box2d.b2ParticleSystem.SolveCollisionCallback=function(a,b){box2d.b2FixtureParticleQueryCallback.call(this,a),this.m_step=b},goog.inherits(box2d.b2ParticleSystem.SolveCollisionCallback,box2d.b2FixtureParticleQueryCallback),box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle=function(a,b,c){var d=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_p1,e=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_output,f=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_input,g=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_p,h=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_v,k=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_f,l=a.GetBody(),m=this.m_system.m_positionBuffer.data[c],n=this.m_system.m_velocityBuffer.data[c];0===this.m_system.m_iterationIndex?(d=box2d.b2MulT_X_V2(l.m_xf0,m,d),a.GetShape().GetType()===box2d.b2ShapeType.e_circleShape&&(d.SelfSub(l.GetLocalCenter()),box2d.b2Mul_R_V2(l.m_xf0.q,d,d),box2d.b2MulT_R_V2(l.m_xf.q,d,d),d.SelfAdd(l.GetLocalCenter())),box2d.b2Mul_X_V2(l.m_xf,d,f.p1)):f.p1.Copy(m),box2d.b2AddMul_V2_S_V2(m,this.m_step.dt,n,f.p2),f.maxFraction=1,a.RayCast(e,f,b)&&(a=e.normal,g.x=(1-e.fraction)*f.p1.x+e.fraction*f.p2.x+box2d.b2_linearSlop*a.x,g.y=(1-e.fraction)*f.p1.y+e.fraction*f.p2.y+box2d.b2_linearSlop*a.y,h.x=this.m_step.inv_dt*(g.x-m.x),h.y=this.m_step.inv_dt*(g.y-m.y),this.m_system.m_velocityBuffer.data[c].Copy(h),k.x=this.m_step.inv_dt*this.m_system.GetParticleMass()*(n.x-h.x),k.y=this.m_step.inv_dt*this.m_system.GetParticleMass()*(n.y-h.y),this.m_system.ParticleApplyForce(c,k))},goog.exportProperty(box2d.b2ParticleSystem.SolveCollisionCallback.prototype,"ReportFixtureAndParticle",box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle),box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_p1=new box2d.b2Vec2,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_output=new box2d.b2RayCastOutput,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_input=new box2d.b2RayCastInput,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_p=new box2d.b2Vec2,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportParticle=function(a,b){return!1},goog.exportProperty(box2d.b2ParticleSystem.SolveCollisionCallback.prototype,"ReportParticle",box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportParticle),box2d.b2ParticleSystem.prototype.SolveCollision=function(a){var b=this.m_positionBuffer.data,c=this.m_velocityBuffer.data,d=box2d.b2ParticleSystem.prototype.SolveCollision.s_aabb;d.lowerBound.x=+box2d.b2_maxFloat,d.lowerBound.y=+box2d.b2_maxFloat,d.upperBound.x=-box2d.b2_maxFloat,d.upperBound.y=-box2d.b2_maxFloat;for(var e=0;e<this.m_count;e++){var f=c[e],g=b[e],h=g.x+a.dt*f.x;f=g.y+a.dt*f.y;d.lowerBound.x=box2d.b2Min(d.lowerBound.x,box2d.b2Min(g.x,h)),d.lowerBound.y=box2d.b2Min(d.lowerBound.y,box2d.b2Min(g.y,f)),d.upperBound.x=box2d.b2Max(d.upperBound.x,box2d.b2Max(g.x,h)),d.upperBound.y=box2d.b2Max(d.upperBound.y,box2d.b2Max(g.y,f))}a=new box2d.b2ParticleSystem.SolveCollisionCallback(this,a),this.m_world.QueryAABB(a,d)},box2d.b2ParticleSystem.prototype.SolveCollision.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.LimitVelocity=function(a){var b=this.m_velocityBuffer.data;a=this.GetCriticalVelocitySquared(a);for(var c=0;c<this.m_count;c++){var d=b[c],e=box2d.b2Dot_V2_V2(d,d);e>a&&d.SelfMul(box2d.b2Sqrt(a/e))}},box2d.b2ParticleSystem.prototype.SolveGravity=function(a){var b=box2d.b2ParticleSystem.prototype.SolveGravity.s_gravity,c=this.m_velocityBuffer.data;for(a=box2d.b2Mul_S_V2(a.dt*this.m_def.gravityScale,this.m_world.GetGravity(),b),b=0;b<this.m_count;b++)c[b].SelfAdd(a)},box2d.b2ParticleSystem.prototype.SolveGravity.s_gravity=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier=function(a){for(var b=box2d.b2ParticleSystem.prototype.SolveBarrier.s_aabb,c=box2d.b2ParticleSystem.prototype.SolveBarrier.s_va,d=box2d.b2ParticleSystem.prototype.SolveBarrier.s_vb,e=box2d.b2ParticleSystem.prototype.SolveBarrier.s_pba,f=box2d.b2ParticleSystem.prototype.SolveBarrier.s_vba,g=box2d.b2ParticleSystem.prototype.SolveBarrier.s_vc,h=box2d.b2ParticleSystem.prototype.SolveBarrier.s_pca,k=box2d.b2ParticleSystem.prototype.SolveBarrier.s_vca,l=box2d.b2ParticleSystem.prototype.SolveBarrier.s_qba,m=box2d.b2ParticleSystem.prototype.SolveBarrier.s_qca,n=box2d.b2ParticleSystem.prototype.SolveBarrier.s_dv,p=box2d.b2ParticleSystem.prototype.SolveBarrier.s_f,q=this.m_positionBuffer.data,r=this.m_velocityBuffer.data,u=0;u<this.m_count;u++)0!=(this.m_flagsBuffer.data[u]&box2d.b2ParticleSystem.k_barrierWallFlags)&&r[u].SetZero();u=box2d.b2_barrierCollisionTime*a.dt;for(var t=this.GetParticleMass(),w=0;w<this.m_pairBuffer.count;w++){if((x=this.m_pairBuffer.data[w]).flags&box2d.b2ParticleFlag.b2_barrierParticle){var v=x.indexA,y=x.indexB,x=q[v],z=q[y],B=b;box2d.b2Min_V2_V2(x,z,B.lowerBound),box2d.b2Max_V2_V2(x,z,B.upperBound);var G,E=this.m_groupBuffer[v],F=this.m_groupBuffer[y];for(v=this.GetLinearVelocity(E,v,x,c),y=this.GetLinearVelocity(F,y,z,d),z=box2d.b2Sub_V2_V2(z,x,e),y=box2d.b2Sub_V2_V2(y,v,f),B=this.GetInsideBoundsEnumerator(B);0<=(G=B.GetNext());){var H=q[G],I=this.m_groupBuffer[G];if(E!==I&&F!==I){var C=this.GetLinearVelocity(I,G,H,g),A=box2d.b2Sub_V2_V2(H,x,h),K=box2d.b2Sub_V2_V2(C,v,k),J=box2d.b2Cross_V2_V2(y,K),D=box2d.b2Cross_V2_V2(z,K)-box2d.b2Cross_V2_V2(A,y),L=box2d.b2Cross_V2_V2(z,A),M=l,N=m;if(0===J){if(0===D)continue;if(!(0<=(L=-L/D)&&L<u))continue;if(box2d.b2AddMul_V2_S_V2(z,L,y,M),box2d.b2AddMul_V2_S_V2(A,L,K,N),!(0<=(D=box2d.b2Dot_V2_V2(M,N)/box2d.b2Dot_V2_V2(M,M))&&1>=D))continue}else{if(0>(L=D*D-4*L*J))continue;var O=box2d.b2Sqrt(L);if((L=(-D-O)/(2*J))>(J=(-D+O)/(2*J))&&(D=L,L=J,J=D),box2d.b2AddMul_V2_S_V2(z,L,y,M),box2d.b2AddMul_V2_S_V2(A,L,K,N),D=box2d.b2Dot_V2_V2(M,N)/box2d.b2Dot_V2_V2(M,M),!(0<=L&&L<u&&0<=D&&1>=D)){if(!(0<=(L=J)&&L<u))continue;if(box2d.b2AddMul_V2_S_V2(z,L,y,M),box2d.b2AddMul_V2_S_V2(A,L,K,N),!(0<=(D=box2d.b2Dot_V2_V2(M,N)/box2d.b2Dot_V2_V2(M,M))&&1>=D))continue}}(A=n).x=v.x+D*y.x-C.x,A.y=v.y+D*y.y-C.y,C=box2d.b2Mul_S_V2(t,A,p),this.IsRigidGroup(I)?(t=I.GetMass(),A=I.GetInertia(),0<t&&I.m_linearVelocity.SelfMulAdd(1/t,C),0<A&&(I.m_angularVelocity+=box2d.b2Cross_V2_V2(box2d.b2Sub_V2_V2(H,I.GetCenter(),box2d.b2Vec2.s_t0),C)/A)):r[G].SelfAdd(A),this.ParticleApplyForce(G,C.SelfMul(-a.inv_dt))}}}}},box2d.b2ParticleSystem.prototype.SolveBarrier.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.SolveBarrier.s_va=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_vb=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_pba=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_vba=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_vc=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_pca=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_vca=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_qba=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_qca=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_dv=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveStaticPressure=function(a){this.m_staticPressureBuffer=this.RequestBuffer(this.m_staticPressureBuffer);var b=this.GetCriticalPressure(a);a=this.m_def.staticPressureStrength*b;b=box2d.b2_maxParticlePressure*b;for(var c=this.m_def.staticPressureRelaxation,d=0;d<this.m_def.staticPressureIterations;d++){for(var e=0;e<this.m_count;e++)this.m_accumulationBuffer[e]=0;for(e=0;e<this.m_contactBuffer.count;e++){if((f=this.m_contactBuffer.data[e]).flags&box2d.b2ParticleFlag.b2_staticPressureParticle){var g=f.indexA,h=f.indexB,f=f.weight;this.m_accumulationBuffer[g]+=f*this.m_staticPressureBuffer[h],this.m_accumulationBuffer[h]+=f*this.m_staticPressureBuffer[g]}}for(e=0;e<this.m_count;e++)f=this.m_weightBuffer[e],this.m_staticPressureBuffer[e]=this.m_flagsBuffer.data[e]&box2d.b2ParticleFlag.b2_staticPressureParticle?box2d.b2Clamp((this.m_accumulationBuffer[e]+a*(f-box2d.b2_minParticleWeight))/(f+c),0,b):0}},box2d.b2ParticleSystem.prototype.ComputeWeight=function(){for(var a=0;a<this.m_count;a++)this.m_weightBuffer[a]=0;for(a=0;a<this.m_bodyContactBuffer.count;a++){var c=(b=this.m_bodyContactBuffer.data[a]).index,b=b.weight;this.m_weightBuffer[c]+=b}for(a=0;a<this.m_contactBuffer.count;a++){c=(b=this.m_contactBuffer.data[a]).indexA;var d=b.indexB;b=b.weight;this.m_weightBuffer[c]+=b,this.m_weightBuffer[d]+=b}},box2d.b2ParticleSystem.prototype.SolvePressure=function(a){for(var b=box2d.b2ParticleSystem.prototype.SolvePressure.s_f,c=this.m_positionBuffer.data,d=this.m_velocityBuffer.data,e=this.GetCriticalPressure(a),f=this.m_def.pressureStrength*e,g=box2d.b2_maxParticlePressure*e,h=0;h<this.m_count;h++){e=this.m_weightBuffer[h];var k=f*box2d.b2Max(0,e-box2d.b2_minParticleWeight);this.m_accumulationBuffer[h]=box2d.b2Min(k,g)}if(this.m_allParticleFlags&box2d.b2ParticleSystem.k_noPressureFlags)for(h=0;h<this.m_count;h++)this.m_flagsBuffer.data[h]&box2d.b2ParticleSystem.k_noPressureFlags&&(this.m_accumulationBuffer[h]=0);if(this.m_allParticleFlags&box2d.b2ParticleFlag.b2_staticPressureParticle)for(box2d.b2Assert(null!==this.m_staticPressureBuffer),h=0;h<this.m_count;h++)this.m_flagsBuffer.data[h]&box2d.b2ParticleFlag.b2_staticPressureParticle&&(this.m_accumulationBuffer[h]+=this.m_staticPressureBuffer[h]);for(a=a.dt/(this.m_def.density*this.m_particleDiameter),g=this.GetParticleInvMass(),h=0;h<this.m_bodyContactBuffer.count;h++){var l=(k=this.m_bodyContactBuffer.data[h]).index,m=k.body,n=(e=k.weight,k.mass),p=k.normal,q=c[l];k=this.m_accumulationBuffer[l]+f*e,e=box2d.b2Mul_S_V2(a*e*n*k,p,b);d[l].SelfMulSub(g,e),m.ApplyLinearImpulse(e,q,!0)}for(h=0;h<this.m_contactBuffer.count;h++)l=(k=this.m_contactBuffer.data[h]).indexA,m=k.indexB,e=k.weight,p=k.normal,k=this.m_accumulationBuffer[l]+this.m_accumulationBuffer[m],e=box2d.b2Mul_S_V2(a*e*k,p,b),d[l].SelfSub(e),d[m].SelfAdd(e)},box2d.b2ParticleSystem.prototype.SolvePressure.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveDamping=function(a){var b=box2d.b2ParticleSystem.prototype.SolveDamping.s_v,c=box2d.b2ParticleSystem.prototype.SolveDamping.s_f,d=this.m_positionBuffer.data,e=this.m_velocityBuffer.data,f=this.m_def.dampingStrength;a=1/this.GetCriticalVelocity(a);for(var g=this.GetParticleInvMass(),h=0;h<this.m_bodyContactBuffer.count;h++){var l=(k=this.m_bodyContactBuffer.data[h]).index,m=k.body,n=k.weight,p=k.mass,q=k.normal,k=d[l],r=box2d.b2Sub_V2_V2(m.GetLinearVelocityFromWorldPoint(k,box2d.b2Vec2.s_t0),e[l],b);0>(r=box2d.b2Dot_V2_V2(r,q))&&(n=box2d.b2Max(f*n,box2d.b2Min(-a*r,.5)),p=box2d.b2Mul_S_V2(n*p*r,q,c),e[l].SelfMulAdd(g,p),m.ApplyLinearImpulse(p.SelfNeg(),k,!0))}for(h=0;h<this.m_contactBuffer.count;h++)l=(k=this.m_contactBuffer.data[h]).indexA,m=k.indexB,n=k.weight,q=k.normal,r=box2d.b2Sub_V2_V2(e[m],e[l],b),0>(r=box2d.b2Dot_V2_V2(r,q))&&(n=box2d.b2Max(f*n,box2d.b2Min(-a*r,.5)),p=box2d.b2Mul_S_V2(n*r,q,c),e[l].SelfAdd(p),e[m].SelfSub(p))},box2d.b2ParticleSystem.prototype.SolveDamping.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveDamping.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRigidDamping=function(){for(var a=box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_t0,b=box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_t1,c=box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_p,d=box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_v,e=[0],f=[0],g=[0],h=[0],k=[0],l=[0],m=this.m_positionBuffer.data,n=this.m_def.dampingStrength,p=0;p<this.m_bodyContactBuffer.count;p++){var r=(q=this.m_bodyContactBuffer.data[p]).index,u=this.m_groupBuffer[r];if(this.IsRigidGroup(u)){var t=q.body,w=q.normal,x=q.weight,q=m[r],v=box2d.b2Sub_V2_V2(t.GetLinearVelocityFromWorldPoint(q,a),u.GetLinearVelocityFromWorldPoint(q,b),d);0>(v=box2d.b2Dot_V2_V2(v,w))&&(this.InitDampingParameterWithRigidGroupOrParticle(e,f,g,!0,u,r,q,w),this.InitDampingParameter(h,k,l,t.GetMass(),t.GetInertia()-t.GetMass()*t.GetLocalCenter().LengthSquared(),t.GetWorldCenter(),q,w),x=n*box2d.b2Min(x,1)*this.ComputeDampingImpulse(e[0],f[0],g[0],h[0],k[0],l[0],v),this.ApplyDamping(e[0],f[0],g[0],!0,u,r,x,w),t.ApplyLinearImpulse(box2d.b2Mul_S_V2(-x,w,box2d.b2Vec2.s_t0),q,!0))}}for(p=0;p<this.m_contactBuffer.count;p++){r=(q=this.m_contactBuffer.data[p]).indexA,t=q.indexB,w=q.normal,x=q.weight,u=this.m_groupBuffer[r];var y=this.m_groupBuffer[t],z=this.IsRigidGroup(u),B=this.IsRigidGroup(y);u!==y&&(z||B)&&(q=box2d.b2Mid_V2_V2(m[r],m[t],c),v=box2d.b2Sub_V2_V2(this.GetLinearVelocity(y,t,q,a),this.GetLinearVelocity(u,r,q,b),d),0>(v=box2d.b2Dot_V2_V2(v,w))&&(this.InitDampingParameterWithRigidGroupOrParticle(e,f,g,z,u,r,q,w),this.InitDampingParameterWithRigidGroupOrParticle(h,k,l,B,y,t,q,w),x=n*x*this.ComputeDampingImpulse(e[0],f[0],g[0],h[0],k[0],l[0],v),this.ApplyDamping(e[0],f[0],g[0],z,u,r,x,w),this.ApplyDamping(h[0],k[0],l[0],B,y,t,-x,w)))}},box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_t0=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_t1=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_p=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveExtraDamping=function(){for(var a=box2d.b2ParticleSystem.prototype.SolveExtraDamping.s_v,b=box2d.b2ParticleSystem.prototype.SolveExtraDamping.s_f,c=this.m_velocityBuffer.data,d=this.m_positionBuffer.data,e=this.GetParticleInvMass(),f=0;f<this.m_bodyContactBuffer.count;f++){var h=(g=this.m_bodyContactBuffer.data[f]).index;if(this.m_flagsBuffer.data[h]&box2d.b2ParticleSystem.k_extraDampingFlags){var k=g.body,l=g.mass,m=g.normal,g=d[h],n=box2d.b2Sub_V2_V2(k.GetLinearVelocityFromWorldPoint(g,box2d.b2Vec2.s_t0),c[h],a);0>(n=box2d.b2Dot_V2_V2(n,m))&&(l=box2d.b2Mul_S_V2(.5*l*n,m,b),c[h].SelfMulAdd(e,l),k.ApplyLinearImpulse(l.SelfNeg(),g,!0))}}},box2d.b2ParticleSystem.prototype.SolveExtraDamping.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveExtraDamping.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveWall=function(){for(var a=this.m_velocityBuffer.data,b=0;b<this.m_count;b++)this.m_flagsBuffer.data[b]&box2d.b2ParticleFlag.b2_wallParticle&&a[b].SetZero()},box2d.b2ParticleSystem.prototype.SolveRigid=function(a){for(var b=box2d.b2ParticleSystem.prototype.SolveRigid.s_position,c=box2d.b2ParticleSystem.prototype.SolveRigid.s_rotation,d=box2d.b2ParticleSystem.prototype.SolveRigid.s_transform,e=box2d.b2ParticleSystem.prototype.SolveRigid.s_velocityTransform,f=this.m_positionBuffer.data,g=this.m_velocityBuffer.data,h=this.m_groupList;h;h=h.GetNext())if(h.m_groupFlags&box2d.b2ParticleGroupFlag.b2_rigidParticleGroup){h.UpdateStatistics();var k=c;k.SetAngle(a.dt*h.m_angularVelocity);var l=box2d.b2Add_V2_V2(h.m_center,box2d.b2Sub_V2_V2(box2d.b2Mul_S_V2(a.dt,h.m_linearVelocity,box2d.b2Vec2.s_t0),box2d.b2Mul_R_V2(k,h.m_center,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0),b),m=d;for(m.SetPositionRotation(l,k),box2d.b2Mul_X_X(m,h.m_transform,h.m_transform),(k=e).p.x=a.inv_dt*m.p.x,k.p.y=a.inv_dt*m.p.y,k.q.s=a.inv_dt*m.q.s,k.q.c=a.inv_dt*(m.q.c-1),m=h.m_firstIndex;m<h.m_lastIndex;m++)box2d.b2Mul_X_V2(k,f[m],g[m])}},box2d.b2ParticleSystem.prototype.SolveRigid.s_position=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRigid.s_rotation=new box2d.b2Rot,box2d.b2ParticleSystem.prototype.SolveRigid.s_transform=new box2d.b2Transform,box2d.b2ParticleSystem.prototype.SolveRigid.s_velocityTransform=new box2d.b2Transform,box2d.b2ParticleSystem.prototype.SolveElastic=function(a){for(var b=box2d.b2ParticleSystem.prototype.SolveElastic.s_pa,c=box2d.b2ParticleSystem.prototype.SolveElastic.s_pb,d=box2d.b2ParticleSystem.prototype.SolveElastic.s_pc,e=box2d.b2ParticleSystem.prototype.SolveElastic.s_r,f=box2d.b2ParticleSystem.prototype.SolveElastic.s_t0,g=this.m_positionBuffer.data,h=this.m_velocityBuffer.data,k=a.inv_dt*this.m_def.elasticStrength,l=0;l<this.m_triadBuffer.count;l++){var m=this.m_triadBuffer.data[l];if(m.flags&box2d.b2ParticleFlag.b2_elasticParticle){var n=m.indexA,p=m.indexB,q=m.indexC,r=m.pa,u=m.pb,t=m.pc,w=b.Copy(g[n]),x=c.Copy(g[p]),v=d.Copy(g[q]);n=h[n],p=h[p],q=h[q];w.SelfMulAdd(a.dt,n),x.SelfMulAdd(a.dt,p),v.SelfMulAdd(a.dt,q);var y=(w.x+x.x+v.x)/3,z=(w.y+x.y+v.y)/3;w.x-=y,w.y-=z,x.x-=y,x.y-=z,v.x-=y,v.y-=z,(y=e).s=box2d.b2Cross_V2_V2(r,w)+box2d.b2Cross_V2_V2(u,x)+box2d.b2Cross_V2_V2(t,v),y.c=box2d.b2Dot_V2_V2(r,w)+box2d.b2Dot_V2_V2(u,x)+box2d.b2Dot_V2_V2(t,v),z=box2d.b2InvSqrt(y.s*y.s+y.c*y.c),isFinite(z)||(z=198177537e11),y.s*=z,y.c*=z,y.angle=Math.atan2(y.s,y.c),m=k*m.strength,box2d.b2Mul_R_V2(y,r,f),box2d.b2Sub_V2_V2(f,w,f),box2d.b2Mul_S_V2(m,f,f),n.SelfAdd(f),box2d.b2Mul_R_V2(y,u,f),box2d.b2Sub_V2_V2(f,x,f),box2d.b2Mul_S_V2(m,f,f),p.SelfAdd(f),box2d.b2Mul_R_V2(y,t,f),box2d.b2Sub_V2_V2(f,v,f),box2d.b2Mul_S_V2(m,f,f),q.SelfAdd(f)}}},box2d.b2ParticleSystem.prototype.SolveElastic.s_pa=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveElastic.s_pb=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveElastic.s_pc=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveElastic.s_r=new box2d.b2Rot,box2d.b2ParticleSystem.prototype.SolveElastic.s_t0=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveSpring=function(a){for(var b=box2d.b2ParticleSystem.prototype.SolveSpring.s_pa,c=box2d.b2ParticleSystem.prototype.SolveSpring.s_pb,d=box2d.b2ParticleSystem.prototype.SolveSpring.s_d,e=box2d.b2ParticleSystem.prototype.SolveSpring.s_f,f=this.m_positionBuffer.data,g=this.m_velocityBuffer.data,h=a.inv_dt*this.m_def.springStrength,k=0;k<this.m_pairBuffer.count;k++){if((l=this.m_pairBuffer.data[k]).flags&box2d.b2ParticleFlag.b2_springParticle){var m=l.indexA,n=l.indexB,p=b.Copy(f[m]),q=c.Copy(f[n]);m=g[m],n=g[n];p.SelfMulAdd(a.dt,m),q.SelfMulAdd(a.dt,n);p=box2d.b2Sub_V2_V2(q,p,d),q=l.distance;var r=p.Length(),l=box2d.b2Mul_S_V2(h*l.strength*(q-r)/r,p,e);m.SelfSub(l),n.SelfAdd(l)}}},box2d.b2ParticleSystem.prototype.SolveSpring.s_pa=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveSpring.s_pb=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveSpring.s_d=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveSpring.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveTensile=function(a){var b=box2d.b2ParticleSystem.prototype.SolveTensile.s_weightedNormal,c=box2d.b2ParticleSystem.prototype.SolveTensile.s_s,d=box2d.b2ParticleSystem.prototype.SolveTensile.s_f,e=this.m_velocityBuffer.data;box2d.b2Assert(null!==this.m_accumulation2Buffer);for(var f=0;f<this.m_count;f++)this.m_accumulation2Buffer[f]=box2d.b2Vec2_zero.Clone(),this.m_accumulation2Buffer[f].SetZero();for(f=0;f<this.m_contactBuffer.count;f++){if((g=this.m_contactBuffer.data[f]).flags&box2d.b2ParticleFlag.b2_tensileParticle){var h=g.indexA,k=g.indexB,l=g.weight,g=g.normal;l=box2d.b2Mul_S_V2((1-l)*l,g,b);this.m_accumulation2Buffer[h].SelfSub(l),this.m_accumulation2Buffer[k].SelfAdd(l)}}f=this.GetCriticalVelocity(a),a=this.m_def.surfaceTensionPressureStrength*f;b=this.m_def.surfaceTensionNormalStrength*f;var m=box2d.b2_maxParticleForce*f;for(f=0;f<this.m_contactBuffer.count;f++)if((g=this.m_contactBuffer.data[f]).flags&box2d.b2ParticleFlag.b2_tensileParticle){h=g.indexA,k=g.indexB,l=g.weight,g=g.normal;var n=this.m_weightBuffer[h]+this.m_weightBuffer[k],p=box2d.b2Sub_V2_V2(this.m_accumulation2Buffer[k],this.m_accumulation2Buffer[h],c);l=box2d.b2Min(a*(n-2)+b*box2d.b2Dot_V2_V2(p,g),m)*l,l=box2d.b2Mul_S_V2(l,g,d);e[h].SelfSub(l),e[k].SelfAdd(l)}},box2d.b2ParticleSystem.prototype.SolveTensile.s_weightedNormal=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveTensile.s_s=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveTensile.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveViscous=function(){for(var a=box2d.b2ParticleSystem.prototype.SolveViscous.s_v,b=box2d.b2ParticleSystem.prototype.SolveViscous.s_f,c=this.m_positionBuffer.data,d=this.m_velocityBuffer.data,e=this.m_def.viscousStrength,f=this.GetParticleInvMass(),g=0;g<this.m_bodyContactBuffer.count;g++){var k=(h=this.m_bodyContactBuffer.data[g]).index;if(this.m_flagsBuffer.data[k]&box2d.b2ParticleFlag.b2_viscousParticle){var l=h.body,m=h.weight,n=h.mass,h=c[k],p=box2d.b2Sub_V2_V2(l.GetLinearVelocityFromWorldPoint(h,box2d.b2Vec2.s_t0),d[k],a);m=box2d.b2Mul_S_V2(e*n*m,p,b);d[k].SelfMulAdd(f,m),l.ApplyLinearImpulse(m.SelfNeg(),h,!0)}}for(g=0;g<this.m_contactBuffer.count;g++)(h=this.m_contactBuffer.data[g]).flags&box2d.b2ParticleFlag.b2_viscousParticle&&(k=h.indexA,l=h.indexB,m=h.weight,p=box2d.b2Sub_V2_V2(d[l],d[k],a),m=box2d.b2Mul_S_V2(e*m,p,b),d[k].SelfAdd(m),d[l].SelfSub(m))},box2d.b2ParticleSystem.prototype.SolveViscous.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveViscous.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRepulsive=function(a){var b=box2d.b2ParticleSystem.prototype.SolveRepulsive.s_f,c=this.m_velocityBuffer.data;a=this.m_def.repulsiveStrength*this.GetCriticalVelocity(a);for(var d=0;d<this.m_contactBuffer.count;d++){var e=this.m_contactBuffer.data[d];if(e.flags&box2d.b2ParticleFlag.b2_repulsiveParticle){var f=e.indexA,g=e.indexB;this.m_groupBuffer[f]!==this.m_groupBuffer[g]&&(e=box2d.b2Mul_S_V2(a*e.weight,e.normal,b),c[f].SelfSub(e),c[g].SelfAdd(e))}}},box2d.b2ParticleSystem.prototype.SolveRepulsive.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolvePowder=function(a){var b=box2d.b2ParticleSystem.prototype.SolvePowder.s_f,c=this.m_positionBuffer.data,d=this.m_velocityBuffer.data;a=this.m_def.powderStrength*this.GetCriticalVelocity(a);for(var e=1-box2d.b2_particleStride,f=this.GetParticleInvMass(),g=0;g<this.m_bodyContactBuffer.count;g++){var k=(h=this.m_bodyContactBuffer.data[g]).index;if(this.m_flagsBuffer.data[k]&box2d.b2ParticleFlag.b2_powderParticle){var l=h.weight;if(l>e){var m=h.body,n=c[k],p=h.normal,h=box2d.b2Mul_S_V2(a*h.mass*(l-e),p,b);d[k].SelfMulSub(f,h),m.ApplyLinearImpulse(h,n,!0)}}}for(g=0;g<this.m_contactBuffer.count;g++)(h=this.m_contactBuffer.data[g]).flags&box2d.b2ParticleFlag.b2_powderParticle&&((l=h.weight)>e&&(k=h.indexA,m=h.indexB,p=h.normal,h=box2d.b2Mul_S_V2(a*(l-e),p,b),d[k].SelfSub(h),d[m].SelfAdd(h)))},box2d.b2ParticleSystem.prototype.SolvePowder.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveSolid=function(a){var b=box2d.b2ParticleSystem.prototype.SolveSolid.s_f,c=this.m_velocityBuffer.data;this.m_depthBuffer=this.RequestBuffer(this.m_depthBuffer),a=a.inv_dt*this.m_def.ejectionStrength;for(var d=0;d<this.m_contactBuffer.count;d++){var e=this.m_contactBuffer.data[d],f=e.indexA,g=e.indexB;this.m_groupBuffer[f]!==this.m_groupBuffer[g]&&(e=box2d.b2Mul_S_V2(a*(this.m_depthBuffer[f]+this.m_depthBuffer[g])*e.weight,e.normal,b),c[f].SelfSub(e),c[g].SelfAdd(e))}},box2d.b2ParticleSystem.prototype.SolveSolid.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveForce=function(a){var b=this.m_velocityBuffer.data;a=a.dt*this.GetParticleInvMass();for(var c=0;c<this.m_count;c++)b[c].SelfMulAdd(a,this.m_forceBuffer[c]);this.m_hasForce=!1},box2d.b2ParticleSystem.prototype.SolveColorMixing=function(){box2d.b2Assert(null!==this.m_colorBuffer.data);var a=Math.floor(128*this.m_def.colorMixingStrength);if(a)for(var b=0;b<this.m_contactBuffer.count;b++){var d=(c=this.m_contactBuffer.data[b]).indexA,c=c.indexB;this.m_flagsBuffer.data[d]&this.m_flagsBuffer.data[c]&box2d.b2ParticleFlag.b2_colorMixingParticle&&box2d.b2ParticleColor.MixColors(this.m_colorBuffer.data[d],this.m_colorBuffer.data[c],a)}},box2d.b2ParticleSystem.prototype.SolveZombie=function(){for(var a=0,b=[],c=0;c<this.m_count;c++)b[c]=box2d.b2_invalidParticleIndex;box2d.b2Assert(b.length===this.m_count);var d=0;for(c=0;c<this.m_count;c++){var e=this.m_flagsBuffer.data[c];if(e&box2d.b2ParticleFlag.b2_zombieParticle){var f=this.m_world.m_destructionListener;e&box2d.b2ParticleFlag.b2_destructionListenerParticle&&f&&f.SayGoodbyeParticle(this,c),this.m_handleIndexBuffer.data&&(f=this.m_handleIndexBuffer.data[c])&&(f.SetIndex(box2d.b2_invalidParticleIndex),this.m_handleIndexBuffer.data[c]=null),b[c]=box2d.b2_invalidParticleIndex}else b[c]=a,c!==a&&(this.m_handleIndexBuffer.data&&((f=this.m_handleIndexBuffer.data[c])&&f.SetIndex(a),this.m_handleIndexBuffer.data[a]=f),this.m_flagsBuffer.data[a]=this.m_flagsBuffer.data[c],this.m_lastBodyContactStepBuffer.data&&(this.m_lastBodyContactStepBuffer.data[a]=this.m_lastBodyContactStepBuffer.data[c]),this.m_bodyContactCountBuffer.data&&(this.m_bodyContactCountBuffer.data[a]=this.m_bodyContactCountBuffer.data[c]),this.m_consecutiveContactStepsBuffer.data&&(this.m_consecutiveContactStepsBuffer.data[a]=this.m_consecutiveContactStepsBuffer.data[c]),this.m_positionBuffer.data[a].Copy(this.m_positionBuffer.data[c]),this.m_velocityBuffer.data[a].Copy(this.m_velocityBuffer.data[c]),this.m_groupBuffer[a]=this.m_groupBuffer[c],this.m_hasForce&&this.m_forceBuffer[a].Copy(this.m_forceBuffer[c]),this.m_staticPressureBuffer&&(this.m_staticPressureBuffer[a]=this.m_staticPressureBuffer[c]),this.m_depthBuffer&&(this.m_depthBuffer[a]=this.m_depthBuffer[c]),this.m_colorBuffer.data&&this.m_colorBuffer.data[a].Copy(this.m_colorBuffer.data[c]),this.m_userDataBuffer.data&&(this.m_userDataBuffer.data[a]=this.m_userDataBuffer.data[c]),this.m_expirationTimeBuffer.data&&(this.m_expirationTimeBuffer.data[a]=this.m_expirationTimeBuffer.data[c])),a++,d|=e}for(c=0;c<this.m_proxyBuffer.count;c++)(e=this.m_proxyBuffer.data[c]).index=b[e.index];for(this.m_proxyBuffer.RemoveIf(function(a){return 0>a.index}),c=0;c<this.m_contactBuffer.count;c++)(e=this.m_contactBuffer.data[c]).indexA=b[e.indexA],e.indexB=b[e.indexB];for(this.m_contactBuffer.RemoveIf(function(a){return 0>a.indexA||0>a.indexB}),c=0;c<this.m_bodyContactBuffer.count;c++)(e=this.m_bodyContactBuffer.data[c]).index=b[e.index];for(this.m_bodyContactBuffer.RemoveIf(function(a){return 0>a.index}),c=0;c<this.m_pairBuffer.count;c++)(e=this.m_pairBuffer.data[c]).indexA=b[e.indexA],e.indexB=b[e.indexB];for(this.m_pairBuffer.RemoveIf(function(a){return 0>a.indexA||0>a.indexB}),c=0;c<this.m_triadBuffer.count;c++)(e=this.m_triadBuffer.data[c]).indexA=b[e.indexA],e.indexB=b[e.indexB],e.indexC=b[e.indexC];if(this.m_triadBuffer.RemoveIf(function(a){return 0>a.indexA||0>a.indexB||0>a.indexC}),this.m_indexByExpirationTimeBuffer.data)for(e=c=0;e<this.m_count;e++)(f=b[this.m_indexByExpirationTimeBuffer.data[e]])!==box2d.b2_invalidParticleIndex&&(this.m_indexByExpirationTimeBuffer.data[c++]=f);for(e=this.m_groupList;e;e=e.GetNext()){f=a;var g=0,h=!1;for(c=e.m_firstIndex;c<e.m_lastIndex;c++){var k=b[c];0<=k?(f=box2d.b2Min(f,k),g=box2d.b2Max(g,k+1)):h=!0}f<g?(e.m_firstIndex=f,e.m_lastIndex=g,h&&e.m_groupFlags&box2d.b2ParticleGroupFlag.b2_solidParticleGroup&&this.SetGroupFlags(e,e.m_groupFlags|box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth)):(e.m_firstIndex=0,e.m_lastIndex=0,e.m_groupFlags&box2d.b2ParticleGroupFlag.b2_particleGroupCanBeEmpty||this.SetGroupFlags(e,e.m_groupFlags|box2d.b2ParticleGroupFlag.b2_particleGroupWillBeDestroyed))}for(this.m_count=a,this.m_allParticleFlags=d,this.m_needsUpdateAllParticleFlags=!1,e=this.m_groupList;e;)a=e.GetNext(),e.m_groupFlags&box2d.b2ParticleGroupFlag.b2_particleGroupWillBeDestroyed&&this.DestroyParticleGroup(e),e=a},box2d.b2ParticleSystem.prototype.SolveLifetimes=function(a){box2d.b2Assert(null!==this.m_expirationTimeBuffer.data),box2d.b2Assert(null!==this.m_indexByExpirationTimeBuffer.data),this.m_timeElapsed=this.LifetimeToExpirationTime(a.dt),a=this.GetQuantizedTimeElapsed();var b=this.m_expirationTimeBuffer.data,c=this.m_indexByExpirationTimeBuffer.data,d=this.GetParticleCount();for(this.m_expirationTimeBufferRequiresSorting&&(box2d.std_sort(c,0,d,function(a,c){var d=b[a],e=b[c],f=0>=d;return f===0>=e?d>e:f}),this.m_expirationTimeBufferRequiresSorting=!1),--d;0<=d;--d){var e=c[d],f=b[e];if(a<f||0>=f)break;this.DestroyParticle(e)}},box2d.b2ParticleSystem.prototype.RotateBuffer=function(a,b,c){function d(d){return d<a?d:d<b?d+c-b:d<c?d+a-b:d}if(a!==b&&b!==c){if(box2d.b2Assert(b>=a&&b<=c),box2d.std_rotate(this.m_flagsBuffer.data,a,b,c),this.m_lastBodyContactStepBuffer.data&&box2d.std_rotate(this.m_lastBodyContactStepBuffer.data,a,b,c),this.m_bodyContactCountBuffer.data&&box2d.std_rotate(this.m_bodyContactCountBuffer.data,a,b,c),this.m_consecutiveContactStepsBuffer.data&&box2d.std_rotate(this.m_consecutiveContactStepsBuffer.data,a,b,c),box2d.std_rotate(this.m_positionBuffer.data,a,b,c),box2d.std_rotate(this.m_velocityBuffer.data,a,b,c),box2d.std_rotate(this.m_groupBuffer,a,b,c),this.m_hasForce&&box2d.std_rotate(this.m_forceBuffer,a,b,c),this.m_staticPressureBuffer&&box2d.std_rotate(this.m_staticPressureBuffer,a,b,c),this.m_depthBuffer&&box2d.std_rotate(this.m_depthBuffer,a,b,c),this.m_colorBuffer.data&&box2d.std_rotate(this.m_colorBuffer.data,a,b,c),this.m_userDataBuffer.data&&box2d.std_rotate(this.m_userDataBuffer.data,a,b,c),this.m_handleIndexBuffer.data){box2d.std_rotate(this.m_handleIndexBuffer.data,a,b,c);for(var e=a;e<c;++e){(f=this.m_handleIndexBuffer.data[e])&&f.SetIndex(d(f.GetIndex()))}}if(this.m_expirationTimeBuffer.data){box2d.std_rotate(this.m_expirationTimeBuffer.data,a,b,c);var f=this.GetParticleCount(),g=this.m_indexByExpirationTimeBuffer.data;for(e=0;e<f;++e)g[e]=d(g[e])}for(e=0;e<this.m_proxyBuffer.count;e++)(f=this.m_proxyBuffer.data[e]).index=d(f.index);for(e=0;e<this.m_contactBuffer.count;e++)(f=this.m_contactBuffer.data[e]).indexA=d(f.indexA),f.indexB=d(f.indexB);for(e=0;e<this.m_bodyContactBuffer.count;e++)(f=this.m_bodyContactBuffer.data[e]).index=d(f.index);for(e=0;e<this.m_pairBuffer.count;e++)(f=this.m_pairBuffer.data[e]).indexA=d(f.indexA),f.indexB=d(f.indexB);for(e=0;e<this.m_triadBuffer.count;e++)(f=this.m_triadBuffer.data[e]).indexA=d(f.indexA),f.indexB=d(f.indexB),f.indexC=d(f.indexC);for(e=this.m_groupList;e;e=e.GetNext())e.m_firstIndex=d(e.m_firstIndex),e.m_lastIndex=d(e.m_lastIndex-1)+1}},box2d.b2ParticleSystem.prototype.GetCriticalVelocity=function(a){return this.m_particleDiameter*a.inv_dt},box2d.b2ParticleSystem.prototype.GetCriticalVelocitySquared=function(a){return(a=this.GetCriticalVelocity(a))*a},box2d.b2ParticleSystem.prototype.GetCriticalPressure=function(a){return this.m_def.density*this.GetCriticalVelocitySquared(a)},box2d.b2ParticleSystem.prototype.GetParticleStride=function(){return box2d.b2_particleStride*this.m_particleDiameter},box2d.b2ParticleSystem.prototype.GetParticleMass=function(){var a=this.GetParticleStride();return this.m_def.density*a*a},box2d.b2ParticleSystem.prototype.GetParticleInvMass=function(){var a=1/box2d.b2_particleStride*this.m_inverseDiameter;return this.m_inverseDensity*a*a},box2d.b2ParticleSystem.prototype.GetFixtureContactFilter=function(){return this.m_allParticleFlags&box2d.b2ParticleFlag.b2_fixtureContactFilterParticle?this.m_world.m_contactManager.m_contactFilter:null},box2d.b2ParticleSystem.prototype.GetParticleContactFilter=function(){return this.m_allParticleFlags&box2d.b2ParticleFlag.b2_particleContactFilterParticle?this.m_world.m_contactManager.m_contactFilter:null},box2d.b2ParticleSystem.prototype.GetFixtureContactListener=function(){return this.m_allParticleFlags&box2d.b2ParticleFlag.b2_fixtureContactListenerParticle?this.m_world.m_contactManager.m_contactListener:null},box2d.b2ParticleSystem.prototype.GetParticleContactListener=function(){return this.m_allParticleFlags&box2d.b2ParticleFlag.b2_particleContactListenerParticle?this.m_world.m_contactManager.m_contactListener:null},box2d.b2ParticleSystem.prototype.SetUserOverridableBuffer=function(a,b,c){box2d.b2Assert(null!==b&&0<c||null===b&&0===c),a.data=b,a.userSuppliedCapacity=c},box2d.b2ParticleSystem.prototype.SetGroupFlags=function(a,b){var c=a.m_groupFlags;(c^b)&box2d.b2ParticleGroupFlag.b2_solidParticleGroup&&(b|=box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth),c&~b&&(this.m_needsUpdateAllGroupFlags=!0),~this.m_allGroupFlags&b&&(b&box2d.b2ParticleGroupFlag.b2_solidParticleGroup&&(this.m_depthBuffer=this.RequestBuffer(this.m_depthBuffer)),this.m_allGroupFlags|=b),a.m_groupFlags=b},box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts=function(){box2d.std_sort(this.m_bodyContactBuffer.data,0,this.m_bodyContactBuffer.count,box2d.b2ParticleSystem.BodyContactCompare);var a=box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_n,b=box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_pos,c=box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_normal,d=this,e=-1,f=0;this.m_bodyContactBuffer.count=box2d.std_remove_if(this.m_bodyContactBuffer.data,function(h){if(h.index!==e&&(f=0,e=h.index),3<f++)return 0,!0;var k=a.Copy(h.normal);if(k.SelfMul(d.m_particleDiameter*(1-h.weight)),k=box2d.b2Add_V2_V2(d.m_positionBuffer.data[h.index],k,b),!h.fixture.TestPoint(k)){for(var l=h.fixture.GetShape().GetChildCount(),m=0;m<l;m++)if(h.fixture.ComputeDistance(k,c,m)<box2d.b2_linearSlop)return!1;return 0,!0}return!1},this.m_bodyContactBuffer.count)},box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_n=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_pos=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_normal=new box2d.b2Vec2,box2d.b2ParticleSystem.BodyContactCompare=function(a,b){return a.index===b.index?a.weight>b.weight:a.index<b.index},box2d.b2ParticleSystem.prototype.DetectStuckParticle=function(a){0>=this.m_stuckThreshold||(++this.m_bodyContactCountBuffer.data[a],2===this.m_bodyContactCountBuffer.data[a]&&(++this.m_consecutiveContactStepsBuffer.data[a],this.m_consecutiveContactStepsBuffer.data[a]>this.m_stuckThreshold&&(this.m_stuckParticleBuffer.data[this.m_stuckParticleBuffer.Append()]=a)),this.m_lastBodyContactStepBuffer.data[a]=this.m_timestamp)},box2d.b2ParticleSystem.prototype.ValidateParticleIndex=function(a){return 0<=a&&a<this.GetParticleCount()&&a!==box2d.b2_invalidParticleIndex},box2d.b2ParticleSystem.prototype.GetQuantizedTimeElapsed=function(){return Math.floor(this.m_timeElapsed/4294967296)},box2d.b2ParticleSystem.prototype.LifetimeToExpirationTime=function(a){return this.m_timeElapsed+Math.floor(a/this.m_def.lifetimeGranularity*4294967296)},box2d.b2ParticleSystem.prototype.ForceCanBeApplied=function(a){return!(a&box2d.b2ParticleFlag.b2_wallParticle)},box2d.b2ParticleSystem.prototype.PrepareForceBuffer=function(){if(!this.m_hasForce){for(var a=0;a<this.m_count;a++)this.m_forceBuffer[a].SetZero();this.m_hasForce=!0}},box2d.b2ParticleSystem.prototype.IsRigidGroup=function(a){return null!==a&&0!=(a.m_groupFlags&box2d.b2ParticleGroupFlag.b2_rigidParticleGroup)},box2d.b2ParticleSystem.prototype.GetLinearVelocity=function(a,b,c,d){return this.IsRigidGroup(a)?a.GetLinearVelocityFromWorldPoint(c,d):d.Copy(this.m_velocityBuffer.data[b])},box2d.b2ParticleSystem.prototype.InitDampingParameter=function(a,b,c,d,e,f,g,h){a[0]=0<d?1/d:0,b[0]=0<e?1/e:0,c[0]=box2d.b2Cross_V2_V2(box2d.b2Sub_V2_V2(g,f,box2d.b2Vec2.s_t0),h)},box2d.b2ParticleSystem.prototype.InitDampingParameterWithRigidGroupOrParticle=function(a,b,c,d,e,f,g,h){d?this.InitDampingParameter(a,b,c,e.GetMass(),e.GetInertia(),e.GetCenter(),g,h):this.InitDampingParameter(a,b,c,this.m_flagsBuffer.data[f]&box2d.b2ParticleFlag.b2_wallParticle?0:this.GetParticleMass(),0,g,g,h)},box2d.b2ParticleSystem.prototype.ComputeDampingImpulse=function(a,b,c,d,e,f,g){return 0<(a=a+b*c*c+d+e*f*f)?g/a:0},box2d.b2ParticleSystem.prototype.ApplyDamping=function(a,b,c,d,e,f,g,h){d?(e.m_linearVelocity.SelfMulAdd(g*a,h),e.m_angularVelocity+=g*c*b):this.m_velocityBuffer.data[f].SelfMulAdd(g*a,h)},box2d.b2StackQueue=function(a){this.m_buffer=box2d.b2MakeArray(a),this.m_end=a},box2d.b2StackQueue.prototype.m_buffer=null,box2d.b2StackQueue.prototype.m_front=0,box2d.b2StackQueue.prototype.m_back=0,box2d.b2StackQueue.prototype.m_capacity=0,box2d.b2StackQueue.prototype.Push=function(a){if(this.m_back>=this.m_capacity){for(var b=this.m_front;b<this.m_back;b++)this.m_buffer[b-this.m_front]=this.m_buffer[b];this.m_back-=this.m_front,this.m_front=0,this.m_back>=this.m_capacity&&(0<this.m_capacity?(this.m_buffer.concat(box2d.b2MakeArray(this.m_capacity)),this.m_capacity*=2):(this.m_buffer.concat(box2d.b2MakeArray(1)),this.m_capacity=1))}this.m_buffer[this.m_back]=a,this.m_back++},box2d.b2StackQueue.prototype.Pop=function(){box2d.b2Assert(this.m_front<this.m_back),this.m_buffer[this.m_front]=null,this.m_front++},box2d.b2StackQueue.prototype.Empty=function(){return box2d.b2Assert(this.m_front<=this.m_back),this.m_front===this.m_back},box2d.b2StackQueue.prototype.Front=function(){return this.m_buffer[this.m_front]},box2d.b2VoronoiDiagram=function(a){this.m_generatorBuffer=box2d.b2MakeArray(a,function(a){return new box2d.b2VoronoiDiagram.Generator}),this.m_generatorCapacity=a},goog.exportSymbol("box2d.b2VoronoiDiagram",box2d.b2VoronoiDiagram),box2d.b2VoronoiDiagram.prototype.m_generatorBuffer=null,goog.exportProperty(box2d.b2VoronoiDiagram.prototype,"m_generatorBuffer",box2d.b2VoronoiDiagram.prototype.m_generatorBuffer),box2d.b2VoronoiDiagram.prototype.m_generatorCapacity=0,box2d.b2VoronoiDiagram.prototype.m_generatorCount=0,box2d.b2VoronoiDiagram.prototype.m_countX=0,box2d.b2VoronoiDiagram.prototype.m_countY=0,box2d.b2VoronoiDiagram.prototype.m_diagram=null,box2d.b2VoronoiDiagram.Generator=function(){this.center=new box2d.b2Vec2},box2d.b2VoronoiDiagram.Generator.prototype.center=null,box2d.b2VoronoiDiagram.Generator.prototype.tag=0,box2d.b2VoronoiDiagram.b2VoronoiDiagramTask=function(a,b,c,d){this.m_x=a,this.m_y=b,this.m_i=c,this.m_generator=d},box2d.b2VoronoiDiagram.b2VoronoiDiagramTask.prototype.m_x=0,box2d.b2VoronoiDiagram.b2VoronoiDiagramTask.prototype.m_y=0,box2d.b2VoronoiDiagram.b2VoronoiDiagramTask.prototype.m_i=0,box2d.b2VoronoiDiagram.b2VoronoiDiagramTask.prototype.m_generator=null,box2d.b2VoronoiDiagram.prototype.AddGenerator=function(a,b,c){box2d.b2Assert(this.m_generatorCount<this.m_generatorCapacity);var d=this.m_generatorBuffer[this.m_generatorCount++];d.center.Copy(a),d.tag=b,d.necessary=c},goog.exportProperty(box2d.b2VoronoiDiagram.prototype,"AddGenerator",box2d.b2VoronoiDiagram.prototype.AddGenerator),box2d.b2VoronoiDiagram.prototype.Generate=function(a,b){box2d.b2Assert(null===this.m_diagram);for(var c=1/a,d=new box2d.b2Vec2(+box2d.b2_maxFloat,+box2d.b2_maxFloat),e=new box2d.b2Vec2(-box2d.b2_maxFloat,-box2d.b2_maxFloat),f=0,g=0;g<this.m_generatorCount;g++){(h=this.m_generatorBuffer[g]).necessary&&(box2d.b2Min_V2_V2(d,h.center,d),box2d.b2Max_V2_V2(e,h.center,e),++f)}if(0===f)this.m_countY=this.m_countX=0;else{for(d.x-=b,d.y-=b,e.x+=b,e.y+=b,this.m_countX=1+Math.floor(c*(e.x-d.x)),this.m_countY=1+Math.floor(c*(e.y-d.y)),this.m_diagram=box2d.b2MakeArray(this.m_countX*this.m_countY),e=new box2d.b2StackQueue(4*this.m_countX*this.m_countY),g=0;g<this.m_generatorCount;g++){(h=this.m_generatorBuffer[g]).center.SelfSub(d).SelfMul(c);f=Math.floor(h.center.x);var k=Math.floor(h.center.y);0<=f&&0<=k&&f<this.m_countX&&k<this.m_countY&&e.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(f,k,f+k*this.m_countX,h))}for(;!e.Empty();)f=(g=e.Front()).m_x,k=g.m_y,c=g.m_i,h=g.m_generator,e.Pop(),this.m_diagram[c]||(this.m_diagram[c]=h,0<f&&e.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(f-1,k,c-1,h)),0<k&&e.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(f,k-1,c-this.m_countX,h)),f<this.m_countX-1&&e.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(f+1,k,c+1,h)),k<this.m_countY-1&&e.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(f,k+1,c+this.m_countX,h)));for(k=0;k<this.m_countY;k++)for(f=0;f<this.m_countX-1;f++)c=f+k*this.m_countX,(d=this.m_diagram[c])!==(g=this.m_diagram[c+1])&&(e.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(f,k,c,g)),e.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(f+1,k,c+1,d)));for(k=0;k<this.m_countY-1;k++)for(f=0;f<this.m_countX;f++)c=f+k*this.m_countX,(d=this.m_diagram[c])!==(g=this.m_diagram[c+this.m_countX])&&(e.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(f,k,c,g)),e.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(f,k+1,c+this.m_countX,d)));for(;!e.Empty();)if(f=(g=e.Front()).m_x,k=g.m_y,c=g.m_i,g=g.m_generator,e.Pop(),(d=this.m_diagram[c])!==g){var h=d.center.x-f,l=(d=d.center.y-k,g.center.x-f),m=g.center.y-k;h*h+d*d>l*l+m*m&&(this.m_diagram[c]=g,0<f&&e.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(f-1,k,c-1,g)),0<k&&e.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(f,k-1,c-this.m_countX,g)),f<this.m_countX-1&&e.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(f+1,k,c+1,g)),k<this.m_countY-1&&e.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(f,k+1,c+this.m_countX,g)))}}},goog.exportProperty(box2d.b2VoronoiDiagram.prototype,"Generate",box2d.b2VoronoiDiagram.prototype.Generate),box2d.b2VoronoiDiagram.prototype.GetNodes=function(a){for(var b=0;b<this.m_countY-1;b++)for(var c=0;c<this.m_countX-1;c++){var d=c+b*this.m_countX,e=this.m_diagram[d],f=this.m_diagram[d+1],g=this.m_diagram[d+this.m_countX];d=this.m_diagram[d+1+this.m_countX];f!==g&&(e!==f&&e!==g&&(e.necessary||f.necessary||g.necessary)&&a(e.tag,f.tag,g.tag),d!==f&&d!==g&&(e.necessary||f.necessary||g.necessary)&&a(f.tag,d.tag,g.tag))}},goog.exportProperty(box2d.b2VoronoiDiagram.prototype,"GetNodes",box2d.b2VoronoiDiagram.prototype.GetNodes),box2d.b2RopeDef=function(){this.vertices=[],this.masses=[],this.gravity=new box2d.b2Vec2},goog.exportSymbol("box2d.b2RopeDef",box2d.b2RopeDef),box2d.b2RopeDef.prototype.vertices=null,box2d.b2RopeDef.prototype.count=0,box2d.b2RopeDef.prototype.masses=null,box2d.b2RopeDef.prototype.gravity=null,box2d.b2RopeDef.prototype.damping=.1,box2d.b2RopeDef.prototype.k2=.9,box2d.b2RopeDef.prototype.k3=.1,box2d.b2Rope=function(){this.m_gravity=new box2d.b2Vec2},goog.exportSymbol("box2d.b2Rope",box2d.b2Rope),box2d.b2Rope.prototype.m_count=0,box2d.b2Rope.prototype.m_ps=null,box2d.b2Rope.prototype.m_p0s=null,box2d.b2Rope.prototype.m_vs=null,box2d.b2Rope.prototype.m_ims=null,box2d.b2Rope.prototype.m_Ls=null,box2d.b2Rope.prototype.m_as=null,box2d.b2Rope.prototype.m_gravity=null,box2d.b2Rope.prototype.m_damping=0,box2d.b2Rope.prototype.m_k2=1,box2d.b2Rope.prototype.m_k3=.1,box2d.b2Rope.prototype.GetVertexCount=function(){return this.m_count},goog.exportProperty(box2d.b2Rope.prototype,"GetVertexCount",box2d.b2Rope.prototype.GetVertexCount),box2d.b2Rope.prototype.GetVertices=function(){return this.m_ps},goog.exportProperty(box2d.b2Rope.prototype,"GetVertices",box2d.b2Rope.prototype.GetVertices),box2d.b2Rope.prototype.Initialize=function(a){box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=a.count),this.m_count=a.count,this.m_ps=box2d.b2Vec2.MakeArray(this.m_count),this.m_p0s=box2d.b2Vec2.MakeArray(this.m_count),this.m_vs=box2d.b2Vec2.MakeArray(this.m_count),this.m_ims=box2d.b2MakeNumberArray(this.m_count);for(var b=0;b<this.m_count;++b){this.m_ps[b].Copy(a.vertices[b]),this.m_p0s[b].Copy(a.vertices[b]),this.m_vs[b].SetZero();var c=a.masses[b];this.m_ims[b]=0<c?1/c:0}var d=this.m_count-1;c=this.m_count-2;for(this.m_Ls=box2d.b2MakeNumberArray(d),this.m_as=box2d.b2MakeNumberArray(c),b=0;b<d;++b){var e=this.m_ps[b],f=this.m_ps[b+1];this.m_Ls[b]=box2d.b2Distance(e,f)}for(b=0;b<c;++b)e=this.m_ps[b],f=this.m_ps[b+1],d=this.m_ps[b+2],e=box2d.b2Sub_V2_V2(f,e,box2d.b2Vec2.s_t0),d=box2d.b2Sub_V2_V2(d,f,box2d.b2Vec2.s_t1),f=box2d.b2Cross_V2_V2(e,d),e=box2d.b2Dot_V2_V2(e,d),this.m_as[b]=box2d.b2Atan2(f,e);this.m_gravity.Copy(a.gravity),this.m_damping=a.damping,this.m_k2=a.k2,this.m_k3=a.k3},goog.exportProperty(box2d.b2Rope.prototype,"Initialize",box2d.b2Rope.prototype.Initialize),box2d.b2Rope.prototype.Step=function(a,b){if(0!==a){for(var c=Math.exp(-a*this.m_damping),d=0;d<this.m_count;++d)this.m_p0s[d].Copy(this.m_ps[d]),0<this.m_ims[d]&&this.m_vs[d].SelfMulAdd(a,this.m_gravity),this.m_vs[d].SelfMul(c),this.m_ps[d].SelfMulAdd(a,this.m_vs[d]);for(d=0;d<b;++d)this.SolveC2(),this.SolveC3(),this.SolveC2();for(c=1/a,d=0;d<this.m_count;++d)box2d.b2Mul_S_V2(c,box2d.b2Sub_V2_V2(this.m_ps[d],this.m_p0s[d],box2d.b2Vec2.s_t0),this.m_vs[d])}},goog.exportProperty(box2d.b2Rope.prototype,"Step",box2d.b2Rope.prototype.Step),box2d.b2Rope.prototype.SolveC2=function(){for(var a=this.m_count-1,b=0;b<a;++b){var c=this.m_ps[b],d=this.m_ps[b+1],e=box2d.b2Sub_V2_V2(d,c,box2d.b2Rope.s_d),f=e.Normalize(),g=this.m_ims[b],h=this.m_ims[b+1];if(0!==g+h){var k=h/(g+h);c.SelfMulSub(g/(g+h)*this.m_k2*(this.m_Ls[b]-f),e),d.SelfMulAdd(this.m_k2*k*(this.m_Ls[b]-f),e)}}},goog.exportProperty(box2d.b2Rope.prototype,"SolveC2",box2d.b2Rope.prototype.SolveC2),box2d.b2Rope.s_d=new box2d.b2Vec2,box2d.b2Rope.prototype.SetAngle=function(a){for(var b=this.m_count-2,c=0;c<b;++c)this.m_as[c]=a},goog.exportProperty(box2d.b2Rope.prototype,"SetAngle",box2d.b2Rope.prototype.SetAngle),box2d.b2Rope.prototype.SolveC3=function(){for(var a=this.m_count-2,b=0;b<a;++b){var c=this.m_ps[b],d=this.m_ps[b+1],e=this.m_ps[b+2],f=this.m_ims[b],g=this.m_ims[b+1],h=this.m_ims[b+2],k=box2d.b2Sub_V2_V2(d,c,box2d.b2Rope.s_d1),l=box2d.b2Sub_V2_V2(e,d,box2d.b2Rope.s_d2);if(0!=(m=k.LengthSquared())*(n=l.LengthSquared())){var p=box2d.b2Cross_V2_V2(k,l),q=box2d.b2Dot_V2_V2(k,l),m=(p=box2d.b2Atan2(p,q),k=box2d.b2Mul_S_V2(-1/m,k.SelfSkew(),box2d.b2Rope.s_Jd1),box2d.b2Mul_S_V2(1/n,l.SelfSkew(),box2d.b2Rope.s_Jd2)),n=(l=box2d.b2Rope.s_J1.Copy(k).SelfNeg(),box2d.b2Sub_V2_V2(k,m,box2d.b2Rope.s_J2));k=m;if(0!==(m=f*box2d.b2Dot_V2_V2(l,l)+g*box2d.b2Dot_V2_V2(n,n)+h*box2d.b2Dot_V2_V2(k,k))){for(m=1/m,q=p-this.m_as[b];q>box2d.b2_pi;)q=(p-=2*box2d.b2_pi)-this.m_as[b];for(;q<-box2d.b2_pi;)q=(p+=2*box2d.b2_pi)-this.m_as[b];p=-this.m_k3*m*q,c.SelfMulAdd(f*p,l),d.SelfMulAdd(g*p,n),e.SelfMulAdd(h*p,k)}}}},goog.exportProperty(box2d.b2Rope.prototype,"SolveC3",box2d.b2Rope.prototype.SolveC3),box2d.b2Rope.s_d1=new box2d.b2Vec2,box2d.b2Rope.s_d2=new box2d.b2Vec2,box2d.b2Rope.s_Jd1=new box2d.b2Vec2,box2d.b2Rope.s_Jd2=new box2d.b2Vec2,box2d.b2Rope.s_J1=new box2d.b2Vec2,box2d.b2Rope.s_J2=new box2d.b2Vec2,box2d.b2Rope.prototype.Draw=function(a){for(var b=new box2d.b2Color(.4,.5,.7),c=0;c<this.m_count-1;++c)a.DrawSegment(this.m_ps[c],this.m_ps[c+1],b)},goog.exportProperty(box2d.b2Rope.prototype,"Draw",box2d.b2Rope.prototype.Draw),box2d.b2ControllerEdge=function(){},goog.exportSymbol("box2d.b2ControllerEdge",box2d.b2ControllerEdge),box2d.b2ControllerEdge.prototype.controller=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"controller",box2d.b2ControllerEdge.prototype.controller),box2d.b2ControllerEdge.prototype.body=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"body",box2d.b2ControllerEdge.prototype.body),box2d.b2ControllerEdge.prototype.prevBody=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"prevBody",box2d.b2ControllerEdge.prototype.prevBody),box2d.b2ControllerEdge.prototype.nextBody=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"nextBody",box2d.b2ControllerEdge.prototype.nextBody),box2d.b2ControllerEdge.prototype.prevController=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"prevController",box2d.b2ControllerEdge.prototype.prevController),box2d.b2ControllerEdge.prototype.nextController=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"nextController",box2d.b2ControllerEdge.prototype.nextController),box2d.b2Controller=function(){},goog.exportSymbol("box2d.b2Controller",box2d.b2Controller),box2d.b2Controller.prototype.m_world=null,goog.exportProperty(box2d.b2Controller.prototype,"m_world",box2d.b2Controller.prototype.m_world),box2d.b2Controller.prototype.m_bodyList=null,goog.exportProperty(box2d.b2Controller.prototype,"m_bodyList",box2d.b2Controller.prototype.m_bodyList),box2d.b2Controller.prototype.m_bodyCount=0,goog.exportProperty(box2d.b2Controller.prototype,"m_bodyCount",box2d.b2Controller.prototype.m_bodyCount),box2d.b2Controller.prototype.m_prev=null,goog.exportProperty(box2d.b2Controller.prototype,"m_prev",box2d.b2Controller.prototype.m_prev),box2d.b2Controller.prototype.m_next=null,goog.exportProperty(box2d.b2Controller.prototype,"m_next",box2d.b2Controller.prototype.m_next),box2d.b2Controller.prototype.Step=function(a){},goog.exportProperty(box2d.b2Controller.prototype,"Step",box2d.b2Controller.prototype.Step),box2d.b2Controller.prototype.Draw=function(a){},goog.exportProperty(box2d.b2Controller.prototype,"Draw",box2d.b2Controller.prototype.Draw),box2d.b2Controller.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2Controller.prototype,"GetNext",box2d.b2Controller.prototype.GetNext),box2d.b2Controller.prototype.GetPrev=function(){return this.m_prev},goog.exportProperty(box2d.b2Controller.prototype,"GetPrev",box2d.b2Controller.prototype.GetPrev),box2d.b2Controller.prototype.GetWorld=function(){return this.m_world},goog.exportProperty(box2d.b2Controller.prototype,"GetWorld",box2d.b2Controller.prototype.GetWorld),box2d.b2Controller.prototype.GetBodyList=function(){return this.m_bodyList},goog.exportProperty(box2d.b2Controller.prototype,"GetBodyList",box2d.b2Controller.prototype.GetBodyList),box2d.b2Controller.prototype.AddBody=function(a){var b=new box2d.b2ControllerEdge;b.body=a,b.controller=this,b.nextBody=this.m_bodyList,b.prevBody=null,this.m_bodyList&&(this.m_bodyList.prevBody=b),this.m_bodyList=b,++this.m_bodyCount,b.nextController=a.m_controllerList,b.prevController=null,a.m_controllerList&&(a.m_controllerList.prevController=b),a.m_controllerList=b,++a.m_controllerCount},goog.exportProperty(box2d.b2Controller.prototype,"AddBody",box2d.b2Controller.prototype.AddBody),box2d.b2Controller.prototype.RemoveBody=function(a){box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_bodyCount);for(var b=this.m_bodyList;b&&b.body!==a;)b=b.nextBody;box2d.ENABLE_ASSERTS&&box2d.b2Assert(null!==b),b.prevBody&&(b.prevBody.nextBody=b.nextBody),b.nextBody&&(b.nextBody.prevBody=b.prevBody),this.m_bodyList===b&&(this.m_bodyList=b.nextBody),--this.m_bodyCount,b.nextController&&(b.nextController.prevController=b.prevController),b.prevController&&(b.prevController.nextController=b.nextController),a.m_controllerList===b&&(a.m_controllerList=b.nextController),--a.m_controllerCount},goog.exportProperty(box2d.b2Controller.prototype,"RemoveBody",box2d.b2Controller.prototype.RemoveBody),box2d.b2Controller.prototype.Clear=function(){for(;this.m_bodyList;)this.RemoveBody(this.m_bodyList.body);this.m_bodyCount=0},goog.exportProperty(box2d.b2Controller.prototype,"Clear",box2d.b2Controller.prototype.Clear),box2d.b2BuoyancyController=function(){box2d.b2Controller.call(this),this.normal=new box2d.b2Vec2(0,1),this.velocity=new box2d.b2Vec2(0,0),this.gravity=new box2d.b2Vec2(0,0)},goog.inherits(box2d.b2BuoyancyController,box2d.b2Controller),goog.exportSymbol("box2d.b2BuoyancyController",box2d.b2BuoyancyController),box2d.b2BuoyancyController.prototype.normal=null,goog.exportProperty(box2d.b2BuoyancyController.prototype,"normal",box2d.b2BuoyancyController.prototype.normal),box2d.b2BuoyancyController.prototype.offset=0,goog.exportProperty(box2d.b2BuoyancyController.prototype,"offset",box2d.b2BuoyancyController.prototype.offset),box2d.b2BuoyancyController.prototype.density=0,goog.exportProperty(box2d.b2BuoyancyController.prototype,"density",box2d.b2BuoyancyController.prototype.density),box2d.b2BuoyancyController.prototype.velocity=null,goog.exportProperty(box2d.b2BuoyancyController.prototype,"velocity",box2d.b2BuoyancyController.prototype.velocity),box2d.b2BuoyancyController.prototype.linearDrag=0,goog.exportProperty(box2d.b2BuoyancyController.prototype,"linearDrag",box2d.b2BuoyancyController.prototype.linearDrag),box2d.b2BuoyancyController.prototype.angularDrag=0,goog.exportProperty(box2d.b2BuoyancyController.prototype,"angularDrag",box2d.b2BuoyancyController.prototype.angularDrag),box2d.b2BuoyancyController.prototype.useDensity=!1,goog.exportProperty(box2d.b2BuoyancyController.prototype,"useDensity",box2d.b2BuoyancyController.prototype.useDensity),box2d.b2BuoyancyController.prototype.useWorldGravity=!0,goog.exportProperty(box2d.b2BuoyancyController.prototype,"useWorldGravity",box2d.b2BuoyancyController.prototype.useWorldGravity),box2d.b2BuoyancyController.prototype.gravity=null,goog.exportProperty(box2d.b2BuoyancyController.prototype,"gravity",box2d.b2BuoyancyController.prototype.gravity),box2d.b2BuoyancyController.prototype.Step=function(a){if(this.m_bodyList)for(this.useWorldGravity&&this.gravity.Copy(this.GetWorld().GetGravity()),a=this.m_bodyList;a;a=a.nextBody){var b=a.body;if(b.IsAwake()){for(var c=new box2d.b2Vec2,d=new box2d.b2Vec2,e=0,f=0,g=b.GetFixtureList();g;g=g.m_next){var h=new box2d.b2Vec2,k=g.GetShape().ComputeSubmergedArea(this.normal,this.offset,b.GetTransform(),h);e=e+k;c.x+=k*h.x,c.y+=k*h.y;var l=0;f=f+k*(l=this.useDensity?g.GetDensity():1);d.x+=k*h.x*l,d.y+=k*h.y*l}c.x/=e,c.y/=e,d.x/=f,d.y/=f,e<box2d.b2_epsilon||((f=this.gravity.Clone().SelfNeg()).SelfMul(this.density*e),b.ApplyForce(f,d),(d=b.GetLinearVelocityFromWorldPoint(c,new box2d.b2Vec2)).SelfSub(this.velocity),d.SelfMul(-this.linearDrag*e),b.ApplyForce(d,c),b.ApplyTorque(-b.GetInertia()/b.GetMass()*e*b.GetAngularVelocity()*this.angularDrag))}}},goog.exportProperty(box2d.b2BuoyancyController.prototype,"Step",box2d.b2BuoyancyController.prototype.Step),box2d.b2BuoyancyController.prototype.Draw=function(a){var b=new box2d.b2Vec2,c=new box2d.b2Vec2;b.x=this.normal.x*this.offset+100*this.normal.y,b.y=this.normal.y*this.offset-100*this.normal.x,c.x=this.normal.x*this.offset-100*this.normal.y,c.y=this.normal.y*this.offset+100*this.normal.x;var d=new box2d.b2Color(0,0,.8);a.DrawSegment(b,c,d)},goog.exportProperty(box2d.b2BuoyancyController.prototype,"Draw",box2d.b2BuoyancyController.prototype.Draw),box2d.b2ConstantAccelController=function(){box2d.b2Controller.call(this),this.A=new box2d.b2Vec2(0,0)},goog.inherits(box2d.b2ConstantAccelController,box2d.b2Controller),goog.exportSymbol("box2d.b2ConstantAccelController",box2d.b2ConstantAccelController),box2d.b2ConstantAccelController.prototype.A=null,goog.exportProperty(box2d.b2ConstantAccelController.prototype,"A",box2d.b2ConstantAccelController.prototype.A),box2d.b2ConstantAccelController.prototype.Step=function(a){a=box2d.b2Mul_S_V2(a.dt,this.A,box2d.b2ConstantAccelController.prototype.Step.s_dtA);for(var b=this.m_bodyList;b;b=b.nextBody){var c=b.body;c.IsAwake()&&c.SetLinearVelocity(box2d.b2Add_V2_V2(c.GetLinearVelocity(),a,box2d.b2Vec2.s_t0))}},goog.exportProperty(box2d.b2ConstantAccelController.prototype,"Step",box2d.b2ConstantAccelController.prototype.Step),box2d.b2ConstantAccelController.prototype.Step.s_dtA=new box2d.b2Vec2,box2d.b2ConstantForceController=function(){box2d.b2Controller.call(this),this.F=new box2d.b2Vec2(0,0)},goog.inherits(box2d.b2ConstantForceController,box2d.b2Controller),goog.exportSymbol("box2d.b2ConstantForceController",box2d.b2ConstantForceController),box2d.b2ConstantAccelController.prototype.F=null,goog.exportProperty(box2d.b2ConstantAccelController.prototype,"F",box2d.b2ConstantAccelController.prototype.F),box2d.b2ConstantForceController.prototype.Step=function(a){for(a=this.m_bodyList;a;a=a.nextBody){var b=a.body;b.IsAwake()&&b.ApplyForce(this.F,b.GetWorldCenter())}},goog.exportProperty(box2d.b2ConstantForceController.prototype,"Step",box2d.b2ConstantForceController.prototype.Step),box2d.b2GravityController=function(){box2d.b2Controller.call(this)},goog.inherits(box2d.b2GravityController,box2d.b2Controller),goog.exportSymbol("box2d.b2GravityController",box2d.b2GravityController),box2d.b2GravityController.prototype.G=1,goog.exportProperty(box2d.b2GravityController.prototype,"G",box2d.b2GravityController.prototype.G),box2d.b2GravityController.prototype.invSqr=!0,goog.exportProperty(box2d.b2GravityController.prototype,"invSqr",box2d.b2GravityController.prototype.invSqr),box2d.b2GravityController.prototype.Step=function(a){if(this.invSqr)for(a=this.m_bodyList;a;a=a.nextBody)for(var b=a.body,c=b.GetWorldCenter(),d=b.GetMass(),e=this.m_bodyList;e!==a;e=e.nextBody){var f=e.body,g=f.GetWorldCenter(),h=f.GetMass(),k=g.x-c.x,l=g.y-c.y,m=k*k+l*l;m<box2d.b2_epsilon||((k=box2d.b2GravityController.prototype.Step.s_f.Set(k,l)).SelfMul(this.G/m/box2d.b2Sqrt(m)*d*h),b.IsAwake()&&b.ApplyForce(k,c),f.IsAwake()&&f.ApplyForce(k.SelfMul(-1),g))}else for(a=this.m_bodyList;a;a=a.nextBody)for(c=(b=a.body).GetWorldCenter(),d=b.GetMass(),e=this.m_bodyList;e!==a;e=e.nextBody)g=(f=e.body).GetWorldCenter(),h=f.GetMass(),(m=(k=g.x-c.x)*k+(l=g.y-c.y)*l)<box2d.b2_epsilon||((k=box2d.b2GravityController.prototype.Step.s_f.Set(k,l)).SelfMul(this.G/m*d*h),b.IsAwake()&&b.ApplyForce(k,c),f.IsAwake()&&f.ApplyForce(k.SelfMul(-1),g))},goog.exportProperty(box2d.b2GravityController.prototype,"Step",box2d.b2GravityController.prototype.Step),box2d.b2GravityController.prototype.Step.s_f=new box2d.b2Vec2,box2d.b2TensorDampingController=function(){box2d.b2Controller.call(this),this.T=new box2d.b2Mat22,this.maxTimestep=0},goog.inherits(box2d.b2TensorDampingController,box2d.b2Controller),goog.exportSymbol("box2d.b2TensorDampingController",box2d.b2TensorDampingController),box2d.b2TensorDampingController.prototype.T=new box2d.b2Mat22,goog.exportProperty(box2d.b2TensorDampingController.prototype,"T",box2d.b2TensorDampingController.prototype.T),box2d.b2TensorDampingController.prototype.maxTimestep=0,goog.exportProperty(box2d.b2TensorDampingController.prototype,"maxTimestep",box2d.b2TensorDampingController.prototype.maxTimestep),box2d.b2TensorDampingController.prototype.Step=function(a){if(!((a=a.dt)<=box2d.b2_epsilon)){a>this.maxTimestep&&0<this.maxTimestep&&(a=this.maxTimestep);for(var b=this.m_bodyList;b;b=b.nextBody){var c=b.body;if(c.IsAwake()){var d=c.GetWorldVector(box2d.b2Mul_M22_V2(this.T,c.GetLocalVector(c.GetLinearVelocity(),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t1),box2d.b2TensorDampingController.prototype.Step.s_damping);c.SetLinearVelocity(box2d.b2Add_V2_V2(c.GetLinearVelocity(),box2d.b2Mul_S_V2(a,d,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t1))}}}},box2d.b2TensorDampingController.prototype.Step.s_damping=new box2d.b2Vec2,box2d.b2TensorDampingController.prototype.SetAxisAligned=function(a,b){this.T.ex.x=-a,this.T.ex.y=0,this.T.ey.x=0,this.T.ey.y=-b,this.maxTimestep=0<a||0<b?1/box2d.b2Max(a,b):0},box2d.b2Vec2.SubVV=function(a,b,out){return out.x=a.x-b.x,out.y=a.y-b.y,out},window.box2d=box2d,function(exports,Laya){"use strict";class IPhysics{}IPhysics.RigidBody=null,IPhysics.Physics=null;class ColliderBase extends Laya.Component{constructor(){super(...arguments),this._isSensor=!1,this._density=10,this._friction=.2,this._restitution=0}getDef(){if(!this._def){var def=new window.box2d.b2FixtureDef;def.density=this.density,def.friction=this.friction,def.isSensor=this.isSensor,def.restitution=this.restitution,def.shape=this._shape,this._def=def}return this._def}_onEnable(){this.rigidBody||Laya.Laya.systemTimer.callLater(this,this._checkRigidBody)}_checkRigidBody(){if(!this.rigidBody){var comp=this.owner.getComponent(IPhysics.RigidBody);comp&&(this.rigidBody=comp,this.refresh())}}_onDestroy(){this.rigidBody&&(this.fixture&&(this.fixture.GetBody()==this.rigidBody.body&&this.rigidBody.body.DestroyFixture(this.fixture),this.fixture=null),this.rigidBody=null,this._shape=null,this._def=null)}get isSensor(){return this._isSensor}set isSensor(value){this._isSensor=value,this._def&&(this._def.isSensor=value,this.refresh())}get density(){return this._density}set density(value){this._density=value,this._def&&(this._def.density=value,this.refresh())}get friction(){return this._friction}set friction(value){this._friction=value,this._def&&(this._def.friction=value,this.refresh())}get restitution(){return this._restitution}set restitution(value){this._restitution=value,this._def&&(this._def.restitution=value,this.refresh())}refresh(){if(this.enabled&&this.rigidBody){var body=this.rigidBody.body;this.fixture&&(this.fixture.GetBody()==this.rigidBody.body&&this.rigidBody.body.DestroyFixture(this.fixture),this.fixture.Destroy(),this.fixture=null);var def=this.getDef();def.filter.groupIndex=this.rigidBody.group,def.filter.categoryBits=this.rigidBody.category,def.filter.maskBits=this.rigidBody.mask,this.fixture=body.CreateFixture(def),this.fixture.collider=this}}resetShape(re=!0){}get isSingleton(){return!1}}Laya.ClassUtils.regClass("laya.physics.ColliderBase",ColliderBase),Laya.ClassUtils.regClass("Laya.ColliderBase",ColliderBase);class RigidBody extends Laya.Component{constructor(){super(...arguments),this._type="dynamic",this._allowSleep=!0,this._angularVelocity=0,this._angularDamping=0,this._linearVelocity={x:0,y:0},this._linearDamping=0,this._bullet=!1,this._allowRotation=!0,this._gravityScale=1,this.group=0,this.category=1,this.mask=-1,this.label="RigidBody"}_createBody(){if(!this._body){var sp=this.owner,box2d=window.box2d,def=new box2d.b2BodyDef,point=this.owner.localToGlobal(Laya.Point.TEMP.setTo(0,0),!1,IPhysics.Physics.I.worldRoot);def.position.Set(point.x/IPhysics.Physics.PIXEL_RATIO,point.y/IPhysics.Physics.PIXEL_RATIO),def.angle=Laya.Utils.toRadian(sp.rotation),def.allowSleep=this._allowSleep,def.angularDamping=this._angularDamping,def.angularVelocity=this._angularVelocity,def.bullet=this._bullet,def.fixedRotation=!this._allowRotation,def.gravityScale=this._gravityScale,def.linearDamping=this._linearDamping;var obj=this._linearVelocity;(obj&&0!=obj.x||0!=obj.y)&&(def.linearVelocity=new box2d.b2Vec2(obj.x,obj.y)),def.type=box2d.b2BodyType["b2_"+this._type+"Body"],this._body=IPhysics.Physics.I._createBody(def),this.resetCollider(!1)}}_onAwake(){this._createBody()}_onEnable(){var _$this=this;this._createBody(),Laya.Laya.physicsTimer.frameLoop(1,this,this._sysPhysicToNode);var sp=this.owner;if(this.accessGetSetFunc(sp,"x","set")&&!sp._changeByRigidBody){sp._changeByRigidBody=!0,this._overSet(sp,"x",function(value){_$this.accessGetSetFunc(sp,"x","set")(value),_$this._sysPosToPhysic()}),this._overSet(sp,"y",function(value){_$this.accessGetSetFunc(sp,"y","set")(value),_$this._sysPosToPhysic()}),this._overSet(sp,"rotation",function(value){_$this.accessGetSetFunc(sp,"rotation","set")(value),_$this._sysNodeToPhysic()}),this._overSet(sp,"scaleX",function(value){_$this.accessGetSetFunc(sp,"scaleX","set")(value),_$this.resetCollider(!0)}),this._overSet(sp,"scaleY",function(value){_$this.accessGetSetFunc(sp,"scaleY","set")(value),_$this.resetCollider(!0)})}}accessGetSetFunc(obj,prop,accessor){if(-1===["get","set"].indexOf(accessor))return;let privateProp=`_$${accessor}_${prop}`;if(obj[privateProp])return obj[privateProp];let des,ObjConstructor=obj.constructor;for(;ObjConstructor;){if((des=Object.getOwnPropertyDescriptor(ObjConstructor.prototype,prop))&&des[accessor]){obj[privateProp]=des[accessor].bind(obj);break}ObjConstructor=Object.getPrototypeOf(ObjConstructor)}return obj[privateProp]}resetCollider(resetShape){var comps=this.owner.getComponents(ColliderBase);if(comps)for(var i=0,n=comps.length;i<n;i++){var collider=comps[i];collider.rigidBody=this,resetShape?collider.resetShape():collider.refresh()}}_sysPhysicToNode(){if("static"!=this.type&&this._body.IsAwake()){var pos=this._body.GetPosition(),ang=this._body.GetAngle(),sp=this.owner;if(this.accessGetSetFunc(sp,"rotation","set")(Laya.Utils.toAngle(ang)-sp.parent.globalRotation),0==ang){var point=sp.parent.globalToLocal(Laya.Point.TEMP.setTo(pos.x*IPhysics.Physics.PIXEL_RATIO+sp.pivotX,pos.y*IPhysics.Physics.PIXEL_RATIO+sp.pivotY),!1,IPhysics.Physics.I.worldRoot);this.accessGetSetFunc(sp,"x","set")(point.x),this.accessGetSetFunc(sp,"y","set")(point.y)}else(point=sp.globalToLocal(Laya.Point.TEMP.setTo(pos.x*IPhysics.Physics.PIXEL_RATIO,pos.y*IPhysics.Physics.PIXEL_RATIO),!1,IPhysics.Physics.I.worldRoot)).x+=sp.pivotX,point.y+=sp.pivotY,point=sp.toParentPoint(point),this.accessGetSetFunc(sp,"x","set")(point.x),this.accessGetSetFunc(sp,"y","set")(point.y)}}_sysNodeToPhysic(){var sp=this.owner;this._body.SetAngle(Laya.Utils.toRadian(sp.rotation));var p=sp.localToGlobal(Laya.Point.TEMP.setTo(0,0),!1,IPhysics.Physics.I.worldRoot);this._body.SetPositionXY(p.x/IPhysics.Physics.PIXEL_RATIO,p.y/IPhysics.Physics.PIXEL_RATIO)}_sysPosToPhysic(){var p=this.owner.localToGlobal(Laya.Point.TEMP.setTo(0,0),!1,IPhysics.Physics.I.worldRoot);this._body.SetPositionXY(p.x/IPhysics.Physics.PIXEL_RATIO,p.y/IPhysics.Physics.PIXEL_RATIO)}_overSet(sp,prop,getfun){Object.defineProperty(sp,prop,{get:this.accessGetSetFunc(sp,prop,"get"),set:getfun,enumerable:!1,configurable:!0})}_onDisable(){Laya.Laya.physicsTimer.clear(this,this._sysPhysicToNode),IPhysics.Physics.I._removeBody(this._body),this._body=null;var owner=this.owner;owner._changeByRigidBody&&(this._overSet(owner,"x",this.accessGetSetFunc(owner,"x","set")),this._overSet(owner,"y",this.accessGetSetFunc(owner,"y","set")),this._overSet(owner,"rotation",this.accessGetSetFunc(owner,"rotation","set")),this._overSet(owner,"scaleX",this.accessGetSetFunc(owner,"scaleX","set")),this._overSet(owner,"scaleY",this.accessGetSetFunc(owner,"scaleY","set")),owner._changeByRigidBody=!1)}getBody(){return this._body||this._onAwake(),this._body}get body(){return this._body||this._onAwake(),this._body}applyForce(position,force){this._body||this._onAwake(),this._body.ApplyForce(force,position)}applyForceToCenter(force){this._body||this._onAwake(),this._body.ApplyForceToCenter(force)}applyLinearImpulse(position,impulse){this._body||this._onAwake(),this._body.ApplyLinearImpulse(impulse,position)}applyLinearImpulseToCenter(impulse){this._body||this._onAwake(),this._body.ApplyLinearImpulseToCenter(impulse)}applyTorque(torque){this._body||this._onAwake(),this._body.ApplyTorque(torque)}setVelocity(velocity){this._body||this._onAwake(),this._body.SetLinearVelocity(velocity)}setAngle(value){this._body||this._onAwake(),this._body.SetAngle(value),this._body.SetAwake(!0)}getMass(){return this._body?this._body.GetMass():0}getCenter(){this._body||this._onAwake();var p=this._body.GetLocalCenter();return p.x=p.x*IPhysics.Physics.PIXEL_RATIO,p.y=p.y*IPhysics.Physics.PIXEL_RATIO,p}getWorldCenter(){this._body||this._onAwake();var p=this._body.GetWorldCenter();return p.x=p.x*IPhysics.Physics.PIXEL_RATIO,p.y=p.y*IPhysics.Physics.PIXEL_RATIO,p}get type(){return this._type}set type(value){this._type=value,this._body&&this._body.SetType(window.box2d.b2BodyType["b2_"+this._type+"Body"])}get gravityScale(){return this._gravityScale}set gravityScale(value){this._gravityScale=value,this._body&&this._body.SetGravityScale(value)}get allowRotation(){return this._allowRotation}set allowRotation(value){this._allowRotation=value,this._body&&this._body.SetFixedRotation(!value)}get allowSleep(){return this._allowSleep}set allowSleep(value){this._allowSleep=value,this._body&&this._body.SetSleepingAllowed(value)}get angularDamping(){return this._angularDamping}set angularDamping(value){this._angularDamping=value,this._body&&this._body.SetAngularDamping(value)}get angularVelocity(){return this._body?this._body.GetAngularVelocity():this._angularVelocity}set angularVelocity(value){this._angularVelocity=value,this._body&&this._body.SetAngularVelocity(value)}get linearDamping(){return this._linearDamping}set linearDamping(value){this._linearDamping=value,this._body&&this._body.SetLinearDamping(value)}get linearVelocity(){if(this._body){var vec=this._body.GetLinearVelocity();return{x:vec.x,y:vec.y}}return this._linearVelocity}set linearVelocity(value){value&&(value instanceof Array&&(value={x:value[0],y:value[1]}),this._linearVelocity=value,this._body&&this._body.SetLinearVelocity(new window.box2d.b2Vec2(value.x,value.y)))}get bullet(){return this._bullet}set bullet(value){this._bullet=value,this._body&&this._body.SetBullet(value)}}Laya.ClassUtils.regClass("laya.physics.RigidBody",RigidBody),Laya.ClassUtils.regClass("Laya.RigidBody",RigidBody);class Physics extends Laya.EventDispatcher{constructor(){super(),this.box2d=window.box2d,this.velocityIterations=8,this.positionIterations=3,this._eventList=[]}static get I(){return Physics._I||(Physics._I=new Physics)}static enable(options=null){Physics.I.start(options),IPhysics.RigidBody=RigidBody,IPhysics.Physics=this}start(options=null){if(!this._enabled){this._enabled=!0,options||(options={});var box2d=window.box2d;if(null==box2d)return void console.error("Can not find box2d libs, you should reuqest box2d.js first.");var gravity=new box2d.b2Vec2(0,options.gravity||500/Physics.PIXEL_RATIO);this.world=new box2d.b2World(gravity),this.world.SetContactListener(new ContactListener),this.allowSleeping=null==options.allowSleeping||options.allowSleeping,options.customUpdate||Laya.Laya.physicsTimer.frameLoop(1,this,this._update),this._emptyBody=this._createBody(new window.box2d.b2BodyDef)}}_update(){this.world.Step(1/60,this.velocityIterations,this.positionIterations,3);var len=this._eventList.length;if(len>0){for(var i=0;i<len;i+=2)this._sendEvent(this._eventList[i],this._eventList[i+1]);this._eventList.length=0}}_sendEvent(type,contact){var colliderA=contact.GetFixtureA().collider,colliderB=contact.GetFixtureB().collider,ownerA=colliderA.owner,ownerB=colliderB.owner;if(contact.getHitInfo=function(){var manifold=new this.box2d.b2WorldManifold;this.GetWorldManifold(manifold);var p=manifold.points[0];return p.x*=Physics.PIXEL_RATIO,p.y*=Physics.PIXEL_RATIO,manifold},ownerA){var args=[colliderB,colliderA,contact];0===type?(ownerA.event(Laya.Event.TRIGGER_ENTER,args),ownerA._triggered?ownerA.event(Laya.Event.TRIGGER_STAY,args):ownerA._triggered=!0):(ownerA._triggered=!1,ownerA.event(Laya.Event.TRIGGER_EXIT,args))}ownerB&&(args=[colliderA,colliderB,contact],0===type?(ownerB.event(Laya.Event.TRIGGER_ENTER,args),ownerB._triggered?ownerB.event(Laya.Event.TRIGGER_STAY,args):ownerB._triggered=!0):(ownerB._triggered=!1,ownerB.event(Laya.Event.TRIGGER_EXIT,args)))}_createBody(def){return this.world?this.world.CreateBody(def):(console.error('The physical engine should be initialized first.use "Physics.enable()"'),null)}_removeBody(body){this.world?this.world.DestroyBody(body):console.error('The physical engine should be initialized first.use "Physics.enable()"')}_createJoint(def){return this.world?this.world.CreateJoint(def):(console.error('The physical engine should be initialized first.use "Physics.enable()"'),null)}_removeJoint(joint){this.world?this.world.DestroyJoint(joint):console.error('The physical engine should be initialized first.use "Physics.enable()"')}stop(){Laya.Laya.physicsTimer.clear(this,this._update)}get allowSleeping(){return this.world.GetAllowSleeping()}set allowSleeping(value){this.world.SetAllowSleeping(value)}get gravity(){return this.world.GetGravity()}set gravity(value){this.world.SetGravity(value)}getBodyCount(){return this.world.GetBodyCount()}getContactCount(){return this.world.GetContactCount()}getJointCount(){return this.world.GetJointCount()}get worldRoot(){return this._worldRoot||Laya.Laya.stage}set worldRoot(value){if(this._worldRoot=value,value){var p=value.localToGlobal(Laya.Point.TEMP.setTo(0,0));this.world.ShiftOrigin({x:p.x/Physics.PIXEL_RATIO,y:p.y/Physics.PIXEL_RATIO})}}}Physics.PIXEL_RATIO=50,Laya.ClassUtils.regClass("laya.physics.Physics",Physics),Laya.ClassUtils.regClass("Laya.Physics",Physics);class ContactListener{BeginContact(contact){Physics.I._eventList.push(0,contact)}EndContact(contact){Physics.I._eventList.push(1,contact)}PreSolve(contact,oldManifold){}PostSolve(contact,impulse){}}class BoxCollider extends ColliderBase{constructor(){super(...arguments),this._x=0,this._y=0,this._width=100,this._height=100}getDef(){return this._shape||(this._shape=new window.box2d.b2PolygonShape,this._setShape(!1)),this.label=this.label||"BoxCollider",super.getDef()}_setShape(re=!0){var scaleX=this.owner.scaleX||1,scaleY=this.owner.scaleY||1;this._shape.SetAsBox(this._width/2/Physics.PIXEL_RATIO*scaleX,this._height/2/Physics.PIXEL_RATIO*scaleY,new window.box2d.b2Vec2((this._width/2+this._x)/Physics.PIXEL_RATIO*scaleX,(this._height/2+this._y)/Physics.PIXEL_RATIO*scaleY)),re&&this.refresh()}get x(){return this._x}set x(value){this._x=value,this._shape&&this._setShape()}get y(){return this._y}set y(value){this._y=value,this._shape&&this._setShape()}get width(){return this._width}set width(value){if(value<=0)throw"BoxCollider size cannot be less than 0";this._width=value,this._shape&&this._setShape()}get height(){return this._height}set height(value){if(value<=0)throw"BoxCollider size cannot be less than 0";this._height=value,this._shape&&this._setShape()}resetShape(re=!0){this._setShape()}}Laya.ClassUtils.regClass("laya.physics.BoxCollider",BoxCollider),Laya.ClassUtils.regClass("Laya.BoxCollider",BoxCollider);class ChainCollider extends ColliderBase{constructor(){super(...arguments),this._x=0,this._y=0,this._points="0,0,100,0",this._loop=!1}getDef(){return this._shape||(this._shape=new window.box2d.b2ChainShape,this._setShape(!1)),this.label=this.label||"ChainCollider",super.getDef()}_setShape(re=!0){var arr=this._points.split(","),len=arr.length;if(len%2==1)throw"ChainCollider points lenth must a multiplier of 2";for(var ps=[],i=0,n=len;i<n;i+=2)ps.push(new window.box2d.b2Vec2((this._x+parseInt(arr[i]))/Physics.PIXEL_RATIO,(this._y+parseInt(arr[i+1]))/Physics.PIXEL_RATIO));this._loop?this._shape.CreateLoop(ps,len/2):this._shape.CreateChain(ps,len/2),re&&this.refresh()}get x(){return this._x}set x(value){this._x=value,this._shape&&this._setShape()}get y(){return this._y}set y(value){this._y=value,this._shape&&this._setShape()}get points(){return this._points}set points(value){if(!value)throw"ChainCollider points cannot be empty";this._points=value,this._shape&&this._setShape()}get loop(){return this._loop}set loop(value){this._loop=value,this._shape&&this._setShape()}}Laya.ClassUtils.regClass("laya.physics.ChainCollider",ChainCollider),Laya.ClassUtils.regClass("Laya.ChainCollider",ChainCollider);class CircleCollider extends ColliderBase{constructor(){super(...arguments),this._x=0,this._y=0,this._radius=50}getDef(){return this._shape||(this._shape=new window.box2d.b2CircleShape,this._setShape(!1)),this.label=this.label||"CircleCollider",super.getDef()}_setShape(re=!0){var scale=this.owner.scaleX||1;this._shape.m_radius=this._radius/Physics.PIXEL_RATIO*scale,this._shape.m_p.Set((this._radius+this._x)/Physics.PIXEL_RATIO*scale,(this._radius+this._y)/Physics.PIXEL_RATIO*scale),re&&this.refresh()}get x(){return this._x}set x(value){this._x=value,this._shape&&this._setShape()}get y(){return this._y}set y(value){this._y=value,this._shape&&this._setShape()}get radius(){return this._radius}set radius(value){if(value<=0)throw"CircleCollider radius cannot be less than 0";this._radius=value,this._shape&&this._setShape()}resetShape(re=!0){this._setShape()}}Laya.ClassUtils.regClass("laya.physics.CircleCollider",CircleCollider),Laya.ClassUtils.regClass("Laya.CircleCollider",CircleCollider);class PhysicsDebugDraw extends Laya.Sprite{constructor(){super(),this.m_drawFlags=99,PhysicsDebugDraw._inited||(PhysicsDebugDraw._inited=!0,PhysicsDebugDraw.init()),this._camera={},this._camera.m_center=new PhysicsDebugDraw.box2d.b2Vec2(0,0),this._camera.m_extent=25,this._camera.m_zoom=1,this._camera.m_width=1280,this._camera.m_height=800,this._mG=new Laya.Graphics,this.graphics=this._mG,this._textSp=new Laya.Sprite,this._textG=this._textSp.graphics,this.addChild(this._textSp)}static init(){PhysicsDebugDraw.box2d=Laya.Browser.window.box2d,PhysicsDebugDraw.DrawString_s_color=new PhysicsDebugDraw.box2d.b2Color(.9,.6,.6),PhysicsDebugDraw.DrawStringWorld_s_p=new PhysicsDebugDraw.box2d.b2Vec2,PhysicsDebugDraw.DrawStringWorld_s_cc=new PhysicsDebugDraw.box2d.b2Vec2,PhysicsDebugDraw.DrawStringWorld_s_color=new PhysicsDebugDraw.box2d.b2Color(.5,.9,.5)}render(ctx,x,y){this._renderToGraphic(),super.render(ctx,x,y)}_renderToGraphic(){this.world&&(this._textG.clear(),this._mG.clear(),this._mG.save(),this._mG.scale(Physics.PIXEL_RATIO,Physics.PIXEL_RATIO),this.lineWidth=1/Physics.PIXEL_RATIO,this.world.DrawDebugData(),this._mG.restore())}SetFlags(flags){this.m_drawFlags=flags}GetFlags(){return this.m_drawFlags}AppendFlags(flags){this.m_drawFlags|=flags}ClearFlags(flags){this.m_drawFlags&=~flags}PushTransform(xf){this._mG.save(),this._mG.translate(xf.p.x,xf.p.y),this._mG.rotate(xf.q.GetAngle())}PopTransform(xf){this._mG.restore()}DrawPolygon(vertices,vertexCount,color){var i,points;for(vertices.length,points=[],i=0;i<vertexCount;i++)points.push(vertices[i].x,vertices[i].y);this._mG.drawPoly(0,0,points,null,color.MakeStyleString(1),this.lineWidth)}DrawSolidPolygon(vertices,vertexCount,color){var i,points;for(vertices.length,points=[],i=0;i<vertexCount;i++)points.push(vertices[i].x,vertices[i].y);this._mG.drawPoly(0,0,points,color.MakeStyleString(.5),color.MakeStyleString(1),this.lineWidth)}DrawCircle(center,radius,color){this._mG.drawCircle(center.x,center.y,radius,null,color.MakeStyleString(1),this.lineWidth)}DrawSolidCircle(center,radius,axis,color){var cx=center.x,cy=center.y;this._mG.drawCircle(cx,cy,radius,color.MakeStyleString(.5),color.MakeStyleString(1),this.lineWidth),this._mG.drawLine(cx,cy,cx+axis.x*radius,cy+axis.y*radius,color.MakeStyleString(1),this.lineWidth)}DrawParticles(centers,radius,colors,count){if(null!==colors)for(var i=0;i<count;++i){var center=centers[i],color=colors[i];this._mG.drawCircle(center.x,center.y,radius,color.MakeStyleString(),null,this.lineWidth)}else for(i=0;i<count;++i)center=centers[i],this._mG.drawCircle(center.x,center.y,radius,"#ffff00",null,this.lineWidth)}DrawSegment(p1,p2,color){this._mG.drawLine(p1.x,p1.y,p2.x,p2.y,color.MakeStyleString(1),this.lineWidth)}DrawTransform(xf){this.PushTransform(xf),this._mG.drawLine(0,0,1,0,PhysicsDebugDraw.box2d.b2Color.RED.MakeStyleString(1),this.lineWidth),this._mG.drawLine(0,0,0,1,PhysicsDebugDraw.box2d.b2Color.GREEN.MakeStyleString(1),this.lineWidth),this.PopTransform(xf)}DrawPoint(p,size,color){size*=this._camera.m_zoom;var hsize=(size/=this._camera.m_extent)/2;this._mG.drawRect(p.x-hsize,p.y-hsize,size,size,color.MakeStyleString(),null)}DrawString(x,y,message){this._textG.fillText(message,x,y,"15px DroidSans",PhysicsDebugDraw.DrawString_s_color.MakeStyleString(),"left")}DrawStringWorld(x,y,message){this.DrawString(x,y,message)}DrawAABB(aabb,color){var x=aabb.lowerBound.x,y=aabb.lowerBound.y,w=aabb.upperBound.x-aabb.lowerBound.x,h=aabb.upperBound.y-aabb.lowerBound.y;this._mG.drawRect(x,y,w,h,null,color.MakeStyleString(),this.lineWidth)}static enable(flags=99){if(!PhysicsDebugDraw.I){var debug=new PhysicsDebugDraw;debug.world=Physics.I.world,debug.world.SetDebugDraw(debug),debug.zOrder=1e3,debug.m_drawFlags=flags,Laya.Laya.stage.addChild(debug),PhysicsDebugDraw.I=debug}return debug}}PhysicsDebugDraw._inited=!1,Laya.ClassUtils.regClass("laya.physics.PhysicsDebugDraw",PhysicsDebugDraw),Laya.ClassUtils.regClass("Laya.PhysicsDebugDraw",PhysicsDebugDraw);class PolygonCollider extends ColliderBase{constructor(){super(...arguments),this._x=0,this._y=0,this._points="50,0,100,100,0,100"}getDef(){return this._shape||(this._shape=new window.box2d.b2PolygonShape,this._setShape(!1)),this.label=this.label||"PolygonCollider",super.getDef()}_setShape(re=!0){var arr=this._points.split(","),len=arr.length;if(len<6)throw"PolygonCollider points must be greater than 3";if(len%2==1)throw"PolygonCollider points lenth must a multiplier of 2";for(var ps=[],i=0,n=len;i<n;i+=2)ps.push(new window.box2d.b2Vec2((this._x+parseInt(arr[i]))/Physics.PIXEL_RATIO,(this._y+parseInt(arr[i+1]))/Physics.PIXEL_RATIO));this._shape.Set(ps,len/2),re&&this.refresh()}get x(){return this._x}set x(value){this._x=value,this._shape&&this._setShape()}get y(){return this._y}set y(value){this._y=value,this._shape&&this._setShape()}get points(){return this._points}set points(value){if(!value)throw"PolygonCollider points cannot be empty";this._points=value,this._shape&&this._setShape()}}Laya.ClassUtils.regClass("laya.physics.PolygonCollider",PolygonCollider),Laya.ClassUtils.regClass("Laya.PolygonCollider",PolygonCollider);class JointBase extends Laya.Component{get joint(){return this._joint||this._createJoint(),this._joint}_onEnable(){this._createJoint()}_onAwake(){this._createJoint()}_createJoint(){}_onDisable(){this._joint&&(Physics.I._removeJoint(this._joint),this._joint=null)}}Laya.ClassUtils.regClass("laya.physics.joint.JointBase",JointBase),Laya.ClassUtils.regClass("Laya.JointBase",JointBase);class DistanceJoint extends JointBase{constructor(){super(...arguments),this.selfAnchor=[0,0],this.otherAnchor=[0,0],this.collideConnected=!1,this._length=0,this._frequency=0,this._damping=0}_createJoint(){if(!this._joint){if(this.selfBody=this.selfBody||this.owner.getComponent(RigidBody),!this.selfBody)throw"selfBody can not be empty";var box2d=window.box2d,def=DistanceJoint._temp||(DistanceJoint._temp=new box2d.b2DistanceJointDef);def.bodyA=this.otherBody?this.otherBody.getBody():Physics.I._emptyBody,def.bodyB=this.selfBody.getBody(),def.localAnchorA.Set(this.otherAnchor[0]/Physics.PIXEL_RATIO,this.otherAnchor[1]/Physics.PIXEL_RATIO),def.localAnchorB.Set(this.selfAnchor[0]/Physics.PIXEL_RATIO,this.selfAnchor[1]/Physics.PIXEL_RATIO),def.frequencyHz=this._frequency,def.dampingRatio=this._damping,def.collideConnected=this.collideConnected;var p1=def.bodyA.GetWorldPoint(def.localAnchorA,new box2d.b2Vec2),p2=def.bodyB.GetWorldPoint(def.localAnchorB,new box2d.b2Vec2);def.length=this._length/Physics.PIXEL_RATIO||box2d.b2Vec2.SubVV(p2,p1,new box2d.b2Vec2).Length(),this._joint=Physics.I._createJoint(def)}}get length(){return this._length}set length(value){this._length=value,this._joint&&this._joint.SetLength(value/Physics.PIXEL_RATIO)}get frequency(){return this._frequency}set frequency(value){this._frequency=value,this._joint&&this._joint.SetFrequency(value)}get damping(){return this._damping}set damping(value){this._damping=value,this._joint&&this._joint.SetDampingRatio(value)}}Laya.ClassUtils.regClass("laya.physics.joint.DistanceJoint",DistanceJoint),Laya.ClassUtils.regClass("Laya.DistanceJoint",DistanceJoint);class GearJoint extends JointBase{constructor(){super(...arguments),this.collideConnected=!1,this._ratio=1}_createJoint(){if(!this._joint){if(!this.joint1)throw"Joint1 can not be empty";if(!this.joint2)throw"Joint2 can not be empty";var box2d=window.box2d,def=GearJoint._temp||(GearJoint._temp=new box2d.b2GearJointDef);def.bodyA=this.joint1.owner.getComponent(RigidBody).getBody(),def.bodyB=this.joint2.owner.getComponent(RigidBody).getBody(),def.joint1=this.joint1.joint,def.joint2=this.joint2.joint,def.ratio=this._ratio,def.collideConnected=this.collideConnected,this._joint=Physics.I._createJoint(def)}}get ratio(){return this._ratio}set ratio(value){this._ratio=value,this._joint&&this._joint.SetRatio(value)}}Laya.ClassUtils.regClass("laya.physics.joint.GearJoint",GearJoint),Laya.ClassUtils.regClass("Laya.GearJoint",GearJoint);class MotorJoint extends JointBase{constructor(){super(...arguments),this.collideConnected=!1,this._linearOffset=[0,0],this._angularOffset=0,this._maxForce=1e3,this._maxTorque=1e3,this._correctionFactor=.3}_createJoint(){if(!this._joint){if(!this.otherBody)throw"otherBody can not be empty";if(this.selfBody=this.selfBody||this.owner.getComponent(RigidBody),!this.selfBody)throw"selfBody can not be empty";var box2d=window.box2d,def=MotorJoint._temp||(MotorJoint._temp=new box2d.b2MotorJointDef);def.Initialize(this.otherBody.getBody(),this.selfBody.getBody()),def.linearOffset=new box2d.b2Vec2(this._linearOffset[0]/Physics.PIXEL_RATIO,this._linearOffset[1]/Physics.PIXEL_RATIO),def.angularOffset=this._angularOffset,def.maxForce=this._maxForce,def.maxTorque=this._maxTorque,def.correctionFactor=this._correctionFactor,def.collideConnected=this.collideConnected,this._joint=Physics.I._createJoint(def)}}get linearOffset(){return this._linearOffset}set linearOffset(value){this._linearOffset=value,this._joint&&this._joint.SetLinearOffset(new window.box2d.b2Vec2(value[0]/Physics.PIXEL_RATIO,value[1]/Physics.PIXEL_RATIO))}get angularOffset(){return this._angularOffset}set angularOffset(value){this._angularOffset=value,this._joint&&this._joint.SetAngularOffset(value)}get maxForce(){return this._maxForce}set maxForce(value){this._maxForce=value,this._joint&&this._joint.SetMaxForce(value)}get maxTorque(){return this._maxTorque}set maxTorque(value){this._maxTorque=value,this._joint&&this._joint.SetMaxTorque(value)}get correctionFactor(){return this._correctionFactor}set correctionFactor(value){this._correctionFactor=value,this._joint&&this._joint.SetCorrectionFactor(value)}}Laya.ClassUtils.regClass("laya.physics.joint.MotorJoint",MotorJoint),Laya.ClassUtils.regClass("Laya.MotorJoint",MotorJoint);class MouseJoint extends JointBase{constructor(){super(...arguments),this._maxForce=1e4,this._frequency=5,this._damping=.7}_onEnable(){this.owner.on(Laya.Event.MOUSE_DOWN,this,this.onMouseDown)}_onAwake(){}onMouseDown(){this._createJoint(),Laya.Laya.stage.on(Laya.Event.MOUSE_MOVE,this,this.onMouseMove),Laya.Laya.stage.once(Laya.Event.MOUSE_UP,this,this.onStageMouseUp)}_createJoint(){if(!this._joint){if(this.selfBody=this.selfBody||this.owner.getComponent(RigidBody),!this.selfBody)throw"selfBody can not be empty";var box2d=window.box2d,def=MouseJoint._temp||(MouseJoint._temp=new box2d.b2MouseJointDef);if(this.anchor)var anchorPos=this.selfBody.owner.localToGlobal(Laya.Point.TEMP.setTo(this.anchor[0],this.anchor[1]),!1,Physics.I.worldRoot);else anchorPos=Physics.I.worldRoot.globalToLocal(Laya.Point.TEMP.setTo(Laya.Laya.stage.mouseX,Laya.Laya.stage.mouseY));var anchorVec=new box2d.b2Vec2(anchorPos.x/Physics.PIXEL_RATIO,anchorPos.y/Physics.PIXEL_RATIO);def.bodyA=Physics.I._emptyBody,def.bodyB=this.selfBody.getBody(),def.target=anchorVec,def.frequencyHz=this._frequency,def.damping=this._damping,def.maxForce=this._maxForce,this._joint=Physics.I._createJoint(def)}}onStageMouseUp(){Laya.Laya.stage.off(Laya.Event.MOUSE_MOVE,this,this.onMouseMove),super._onDisable()}onMouseMove(){this._joint.SetTarget(new window.box2d.b2Vec2(Physics.I.worldRoot.mouseX/Physics.PIXEL_RATIO,Physics.I.worldRoot.mouseY/Physics.PIXEL_RATIO))}_onDisable(){this.owner.off(Laya.Event.MOUSE_DOWN,this,this.onMouseDown),super._onDisable()}get maxForce(){return this._maxForce}set maxForce(value){this._maxForce=value,this._joint&&this._joint.SetMaxForce(value)}get frequency(){return this._frequency}set frequency(value){this._frequency=value,this._joint&&this._joint.SetFrequency(value)}get damping(){return this._damping}set damping(value){this._damping=value,this._joint&&this._joint.SetDampingRatio(value)}}Laya.ClassUtils.regClass("laya.physics.joint.MouseJoint",MouseJoint),Laya.ClassUtils.regClass("Laya.MouseJoint",MouseJoint);class PrismaticJoint extends JointBase{constructor(){super(...arguments),this.anchor=[0,0],this.axis=[1,0],this.collideConnected=!1,this._enableMotor=!1,this._motorSpeed=0,this._maxMotorForce=1e4,this._enableLimit=!1,this._lowerTranslation=0,this._upperTranslation=0}_createJoint(){if(!this._joint){if(this.selfBody=this.selfBody||this.owner.getComponent(RigidBody),!this.selfBody)throw"selfBody can not be empty";var box2d=window.box2d,def=PrismaticJoint._temp||(PrismaticJoint._temp=new box2d.b2PrismaticJointDef),anchorPos=this.selfBody.owner.localToGlobal(Laya.Point.TEMP.setTo(this.anchor[0],this.anchor[1]),!1,Physics.I.worldRoot),anchorVec=new box2d.b2Vec2(anchorPos.x/Physics.PIXEL_RATIO,anchorPos.y/Physics.PIXEL_RATIO);def.Initialize(this.otherBody?this.otherBody.getBody():Physics.I._emptyBody,this.selfBody.getBody(),anchorVec,new box2d.b2Vec2(this.axis[0],this.axis[1])),def.enableMotor=this._enableMotor,def.motorSpeed=this._motorSpeed,def.maxMotorForce=this._maxMotorForce,def.enableLimit=this._enableLimit,def.lowerTranslation=this._lowerTranslation/Physics.PIXEL_RATIO,def.upperTranslation=this._upperTranslation/Physics.PIXEL_RATIO,def.collideConnected=this.collideConnected,this._joint=Physics.I._createJoint(def)}}get enableMotor(){return this._enableMotor}set enableMotor(value){this._enableMotor=value,this._joint&&this._joint.EnableMotor(value)}get motorSpeed(){return this._motorSpeed}set motorSpeed(value){this._motorSpeed=value,this._joint&&this._joint.SetMotorSpeed(value)}get maxMotorForce(){return this._maxMotorForce}set maxMotorForce(value){this._maxMotorForce=value,this._joint&&this._joint.SetMaxMotorForce(value)}get enableLimit(){return this._enableLimit}set enableLimit(value){this._enableLimit=value,this._joint&&this._joint.EnableLimit(value)}get lowerTranslation(){return this._lowerTranslation}set lowerTranslation(value){this._lowerTranslation=value,this._joint&&this._joint.SetLimits(value,this._upperTranslation)}get upperTranslation(){return this._upperTranslation}set upperTranslation(value){this._upperTranslation=value,this._joint&&this._joint.SetLimits(this._lowerTranslation,value)}}Laya.ClassUtils.regClass("laya.physics.joint.PrismaticJoint",PrismaticJoint),Laya.ClassUtils.regClass("Laya.PrismaticJoint",PrismaticJoint);class PulleyJoint extends JointBase{constructor(){super(...arguments),this.selfAnchor=[0,0],this.otherAnchor=[0,0],this.selfGroundPoint=[0,0],this.otherGroundPoint=[0,0],this.ratio=1.5,this.collideConnected=!1}_createJoint(){if(!this._joint){if(!this.otherBody)throw"otherBody can not be empty";if(this.selfBody=this.selfBody||this.owner.getComponent(RigidBody),!this.selfBody)throw"selfBody can not be empty";var box2d=window.box2d,def=PulleyJoint._temp||(PulleyJoint._temp=new box2d.b2PulleyJointDef),posA=this.otherBody.owner.localToGlobal(Laya.Point.TEMP.setTo(this.otherAnchor[0],this.otherAnchor[1]),!1,Physics.I.worldRoot),anchorVecA=new box2d.b2Vec2(posA.x/Physics.PIXEL_RATIO,posA.y/Physics.PIXEL_RATIO),posB=this.selfBody.owner.localToGlobal(Laya.Point.TEMP.setTo(this.selfAnchor[0],this.selfAnchor[1]),!1,Physics.I.worldRoot),anchorVecB=new box2d.b2Vec2(posB.x/Physics.PIXEL_RATIO,posB.y/Physics.PIXEL_RATIO),groundA=this.otherBody.owner.localToGlobal(Laya.Point.TEMP.setTo(this.otherGroundPoint[0],this.otherGroundPoint[1]),!1,Physics.I.worldRoot),groundVecA=new box2d.b2Vec2(groundA.x/Physics.PIXEL_RATIO,groundA.y/Physics.PIXEL_RATIO),groundB=this.selfBody.owner.localToGlobal(Laya.Point.TEMP.setTo(this.selfGroundPoint[0],this.selfGroundPoint[1]),!1,Physics.I.worldRoot),groundVecB=new box2d.b2Vec2(groundB.x/Physics.PIXEL_RATIO,groundB.y/Physics.PIXEL_RATIO);def.Initialize(this.otherBody.getBody(),this.selfBody.getBody(),groundVecA,groundVecB,anchorVecA,anchorVecB,this.ratio),def.collideConnected=this.collideConnected,this._joint=Physics.I._createJoint(def)}}}Laya.ClassUtils.regClass("laya.physics.joint.PulleyJoint",PulleyJoint),Laya.ClassUtils.regClass("Laya.PulleyJoint",PulleyJoint);class RevoluteJoint extends JointBase{constructor(){super(...arguments),this.anchor=[0,0],this.collideConnected=!1,this._enableMotor=!1,this._motorSpeed=0,this._maxMotorTorque=1e4,this._enableLimit=!1,this._lowerAngle=0,this._upperAngle=0}_createJoint(){if(!this._joint){if(this.selfBody=this.selfBody||this.owner.getComponent(RigidBody),!this.selfBody)throw"selfBody can not be empty";var box2d=window.box2d,def=RevoluteJoint._temp||(RevoluteJoint._temp=new box2d.b2RevoluteJointDef),anchorPos=this.selfBody.owner.localToGlobal(Laya.Point.TEMP.setTo(this.anchor[0],this.anchor[1]),!1,Physics.I.worldRoot),anchorVec=new box2d.b2Vec2(anchorPos.x/Physics.PIXEL_RATIO,anchorPos.y/Physics.PIXEL_RATIO);def.Initialize(this.otherBody?this.otherBody.getBody():Physics.I._emptyBody,this.selfBody.getBody(),anchorVec),def.enableMotor=this._enableMotor,def.motorSpeed=this._motorSpeed,def.maxMotorTorque=this._maxMotorTorque,def.enableLimit=this._enableLimit,def.lowerAngle=this._lowerAngle,def.upperAngle=this._upperAngle,def.collideConnected=this.collideConnected,this._joint=Physics.I._createJoint(def)}}get enableMotor(){return this._enableMotor}set enableMotor(value){this._enableMotor=value,this._joint&&this._joint.EnableMotor(value)}get motorSpeed(){return this._motorSpeed}set motorSpeed(value){this._motorSpeed=value,this._joint&&this._joint.SetMotorSpeed(value)}get maxMotorTorque(){return this._maxMotorTorque}set maxMotorTorque(value){this._maxMotorTorque=value,this._joint&&this._joint.SetMaxMotorTorque(value)}get enableLimit(){return this._enableLimit}set enableLimit(value){this._enableLimit=value,this._joint&&this._joint.EnableLimit(value)}get lowerAngle(){return this._lowerAngle}set lowerAngle(value){this._lowerAngle=value,this._joint&&this._joint.SetLimits(value,this._upperAngle)}get upperAngle(){return this._upperAngle}set upperAngle(value){this._upperAngle=value,this._joint&&this._joint.SetLimits(this._lowerAngle,value)}}Laya.ClassUtils.regClass("laya.physics.joint.RevoluteJoint",RevoluteJoint),Laya.ClassUtils.regClass("Laya.RevoluteJoint",RevoluteJoint);class RopeJoint extends JointBase{constructor(){super(...arguments),this.selfAnchor=[0,0],this.otherAnchor=[0,0],this.collideConnected=!1,this._maxLength=1}_createJoint(){if(!this._joint){if(this.selfBody=this.selfBody||this.owner.getComponent(RigidBody),!this.selfBody)throw"selfBody can not be empty";var box2d=window.box2d,def=RopeJoint._temp||(RopeJoint._temp=new box2d.b2RopeJointDef);def.bodyA=this.otherBody?this.otherBody.getBody():Physics.I._emptyBody,def.bodyB=this.selfBody.getBody(),def.localAnchorA.Set(this.otherAnchor[0]/Physics.PIXEL_RATIO,this.otherAnchor[1]/Physics.PIXEL_RATIO),def.localAnchorB.Set(this.selfAnchor[0]/Physics.PIXEL_RATIO,this.selfAnchor[1]/Physics.PIXEL_RATIO),def.maxLength=this._maxLength/Physics.PIXEL_RATIO,def.collideConnected=this.collideConnected,this._joint=Physics.I._createJoint(def)}}get maxLength(){return this._maxLength}set maxLength(value){this._maxLength=value,this._joint&&this._joint.SetMaxLength(value/Physics.PIXEL_RATIO)}}Laya.ClassUtils.regClass("laya.physics.joint.RopeJoint",RopeJoint),Laya.ClassUtils.regClass("Laya.RopeJoint",RopeJoint);class WeldJoint extends JointBase{constructor(){super(...arguments),this.anchor=[0,0],this.collideConnected=!1,this._frequency=5,this._damping=.7}_createJoint(){if(!this._joint){if(!this.otherBody)throw"otherBody can not be empty";if(this.selfBody=this.selfBody||this.owner.getComponent(RigidBody),!this.selfBody)throw"selfBody can not be empty";var box2d=window.box2d,def=WeldJoint._temp||(WeldJoint._temp=new box2d.b2WeldJointDef),anchorPos=this.selfBody.owner.localToGlobal(Laya.Point.TEMP.setTo(this.anchor[0],this.anchor[1]),!1,Physics.I.worldRoot),anchorVec=new box2d.b2Vec2(anchorPos.x/Physics.PIXEL_RATIO,anchorPos.y/Physics.PIXEL_RATIO);def.Initialize(this.otherBody.getBody(),this.selfBody.getBody(),anchorVec),def.frequencyHz=this._frequency,def.dampingRatio=this._damping,def.collideConnected=this.collideConnected,this._joint=Physics.I._createJoint(def)}}get frequency(){return this._frequency}set frequency(value){this._frequency=value,this._joint&&this._joint.SetFrequency(value)}get damping(){return this._damping}set damping(value){this._damping=value,this._joint&&this._joint.SetDampingRatio(value)}}Laya.ClassUtils.regClass("laya.physics.joint.WeldJoint",WeldJoint),Laya.ClassUtils.regClass("Laya.WeldJoint",WeldJoint);class WheelJoint extends JointBase{constructor(){super(...arguments),this.anchor=[0,0],this.collideConnected=!1,this.axis=[1,0],this._frequency=5,this._damping=.7,this._enableMotor=!1,this._motorSpeed=0,this._maxMotorTorque=1e4}_createJoint(){if(!this._joint){if(!this.otherBody)throw"otherBody can not be empty";if(this.selfBody=this.selfBody||this.owner.getComponent(RigidBody),!this.selfBody)throw"selfBody can not be empty";var box2d=window.box2d,def=WheelJoint._temp||(WheelJoint._temp=new box2d.b2WheelJointDef),anchorPos=this.selfBody.owner.localToGlobal(Laya.Point.TEMP.setTo(this.anchor[0],this.anchor[1]),!1,Physics.I.worldRoot),anchorVec=new box2d.b2Vec2(anchorPos.x/Physics.PIXEL_RATIO,anchorPos.y/Physics.PIXEL_RATIO);def.Initialize(this.otherBody.getBody(),this.selfBody.getBody(),anchorVec,new box2d.b2Vec2(this.axis[0],this.axis[1])),def.enableMotor=this._enableMotor,def.motorSpeed=this._motorSpeed,def.maxMotorTorque=this._maxMotorTorque,def.frequencyHz=this._frequency,def.dampingRatio=this._damping,def.collideConnected=this.collideConnected,this._joint=Physics.I._createJoint(def)}}get frequency(){return this._frequency}set frequency(value){this._frequency=value,this._joint&&this._joint.SetSpringFrequencyHz(value)}get damping(){return this._damping}set damping(value){this._damping=value,this._joint&&this._joint.SetSpringDampingRatio(value)}get enableMotor(){return this._enableMotor}set enableMotor(value){this._enableMotor=value,this._joint&&this._joint.EnableMotor(value)}get motorSpeed(){return this._motorSpeed}set motorSpeed(value){this._motorSpeed=value,this._joint&&this._joint.SetMotorSpeed(value)}get maxMotorTorque(){return this._maxMotorTorque}set maxMotorTorque(value){this._maxMotorTorque=value,this._joint&&this._joint.SetMaxMotorTorque(value)}}Laya.ClassUtils.regClass("laya.physics.joint.WheelJoint",WheelJoint),Laya.ClassUtils.regClass("Laya.WheelJoint",WheelJoint),exports.BoxCollider=BoxCollider,exports.ChainCollider=ChainCollider,exports.CircleCollider=CircleCollider,exports.ColliderBase=ColliderBase,exports.DistanceJoint=DistanceJoint,exports.GearJoint=GearJoint,exports.IPhysics=IPhysics,exports.JointBase=JointBase,exports.MotorJoint=MotorJoint,exports.MouseJoint=MouseJoint,exports.Physics=Physics,exports.PhysicsDebugDraw=PhysicsDebugDraw,exports.PolygonCollider=PolygonCollider,exports.PrismaticJoint=PrismaticJoint,exports.PulleyJoint=PulleyJoint,exports.RevoluteJoint=RevoluteJoint,exports.RigidBody=RigidBody,exports.RopeJoint=RopeJoint,exports.WeldJoint=WeldJoint,exports.WheelJoint=WheelJoint}(window.Laya=window.Laya||{},Laya);