22 …y,w,A){A.get instanceof Function&&y.__defineGetter__(w,A.get);A.set instanceof Function&&y.__defin…  argument
23 …y){if(y===G)y=0;for(var w=Array(y||0),A=0;A<y;++A)w[A]=0;return w};F.is=function(y,w){if(y===null)…  argument
25 …);this.constructor===K&&this.b2BoundValues.apply(this,arguments)}function y(){y.b2Collision.apply(…  function
42 F;Box2D.Collision.b2Bound=G;Box2D.Collision.b2BoundValues=K;Box2D.Collision.b2Collision=y;Box2D.Col…
50 …pe,G=Box2D.Collision.Shapes.b2PolygonShape,K=Box2D.Collision.Shapes.b2Shape,y=Box2D.Common.b2Setti…
52 …rBound=new p};B.prototype.IsValid=function(){var b=this.upperBound.y-this.lowerBound.y;return b=(b…
53 …y+this.upperBound.y)/2)};B.prototype.GetExtents=function(){return new p((this.upperBound.x-this.lo…
54 …y-e.p1.y,x=Math.abs(t),C=b.normal,J=0,T=0,P=J=0;P=0;if(Math.abs(v)<Number.MIN_VALUE){if(r<this.low…
55 …y-this.upperBound.y,f=this.lowerBound.y-b.upperBound.y;if(b.lowerBound.x-this.upperBound.x>0||e>0)…
56 …Math.max(b.upperBound.x,e.upperBound.x);this.upperBound.y=Math.max(b.upperBound.y,e.upperBound.y)}…
57 …x+f.y*v.y-m;r=f.x*t.x+f.y*t.y-m;x<=0&&b[s++].Set(e[0]);r<=0&&b[s++].Set(e[1]);if(x*r<0){f=x/(x-r);…
58 …y;m=x.col1.y*C.x+x.col2.y*C.y;x=r.R;var J=x.col1.x*b+x.col1.y*m;x=x.col2.x*b+x.col2.y*m;for(var T=…
59 …y);r=r.position.y+(x.col1.y*C.x+x.col2.y*C.y);s-=f;r-=e;return s*b+r*m};M.FindMaxSeparation=functi…
60 t=t.x*x+t.y*J;if(t>T){T=t;C=P}}v=M.EdgeSeparation(e,f,C,m,r);t=parseInt(C-1>=0?C-1:s-1);x=M.EdgeSep…
61 …y;var C=x.col1.y*f.x+x.col2.y*f.y;x=s.R;f=x.col1.x*v+x.col1.y*C;C=x.col2.x*v+x.col2.y*C;v=f;x=0;fo…
62 x=s.R;t.v.x=s.position.x+(x.col1.x*f.x+x.col2.x*f.y);t.v.y=s.position.y+(x.col1.y*f.x+x.col2.y*f.y)…
63 …y-t.y);J.Normalize();r=M.s_localNormal;r.x=J.y;r.y=-J.x;m=M.s_planePoint;m.Set(0.5*(t.x+P.x),0.5*(…
64 …y*J.y;var X=M.s_tangent2;X.x=-C.x;X.y=-C.y;J=M.s_normal;J.x=C.y;J.y=-C.x;var $=M.s_v11,ba=M.s_v12;…
65 …y.b2_maxManifoldPoints;++m){s=t[m];if(J.x*s.v.x+J.y*s.v.y-e<=v){C=b.m_points[r];x=f.R;X=s.v.x-f.po…
66 …y)-t;r=r.position.y+(s.col1.y*v.x+s.col2.y*v.y)-f;s=e.m_radius+m.m_radius;if(!(t*t+r*r>s*s)){b.m_t…
67 …y;x=s*x.col2.x+v*x.col2.y;var J=0;C=-Number.MAX_VALUE;r=e.m_radius+m.m_radius;var T=parseInt(e.m_v…
68 …y)*(P.y-t.y)<=0){if((f-t.x)*(f-t.x)+(x-t.y)*(x-t.y)>r*r)return;b.m_pointCount=1;b.m_type=E.e_faceA…
69 …y;if(C>r)return;b.m_pointCount=1;b.m_type=E.e_faceA;b.m_localPlaneNormal.x=e[s].x;b.m_localPlaneNo…
73 …count){case 1:break;case 2:t.Solve2();break;case 3:t.Solve3();break;default:y.b2Assert(false)}if(t…
75 …y+=e*f.y;b.pointB.x-=r*f.x;b.pointB.y-=r*f.y}else{X=new p;X.x=0.5*(b.pointA.x+b.pointB.x);X.y=0.5*…
77 …y.b2Assert(false)}};z.prototype.GetSupport=function(b){for(var e=0,f=this.m_vertices[0].x*b.x+this…
78 …y.b2Assert(0<=b&&b<this.m_count);return this.m_vertices[b]};u.b2DynamicTree=function(){};u.prototy…
79 …y=b.upperBound.y+r;f.userData=e;this.InsertLeaf(f);return f};u.prototype.DestroyProxy=function(b){…
80 m;b.aabb.upperBound.y=e.upperBound.y+f;this.InsertLeaf(b);return true};u.prototype.Rebalance=functi…
81 …f.x);C=f.y+v*(m.y-f.y);t.lowerBound.x=Math.min(f.x,x);t.lowerBound.y=Math.min(f.y,C);t.upperBound.…
82 …y*(f.y-x.y))-s.x*C.x-s.y*C.y>0))if(v.IsLeaf()){x=new S;x.p1=e.p1;x.p2=e.p2;x.maxFraction=e.maxFrac…
83 …m.aabb.lowerBound.x+m.aabb.upperBound.x)/2-e.x)+Math.abs((m.aabb.lowerBound.y+m.aabb.upperBound.y)/
84 2-e.y)<Math.abs((f.aabb.lowerBound.x+f.aabb.upperBound.x)/2-e.x)+Math.abs((f.aabb.lowerBound.y+f.aa…
89 ….m_pointCount=0};E.prototype.b2Manifold=function(){this.m_points=new Vector(y.b2_maxManifoldPoints…
90 …y.b2_maxManifoldPoints;b++)this.m_points[b]=new R;this.m_localPlaneNormal=new p;this.m_localPoint=…
93 …,v=f.p2.y-r.y;f=this.p2.y-this.p1.y;var t=-(this.p2.x-this.p1.x),x=100*Number.MIN_VALUE,C=-(s*f+v*…
94 …y-this.p1.y;b=Math.min(e>0?(b.upperBound.x-this.p1.x)/e:e<0?(b.lowerBound.x-this.p1.x)/e:Number.PO…
95 …y+this.p1.y;b=Math.min(e>0?(b.upperBound.x-this.p2.x)/e:e<0?(b.lowerBound.x-this.p2.x)/e:Number.PO…
96 …y);m=f.position.y+(b.col1.y*s.x+b.col2.y*s.y);s=t;b=r.R;x=r.position.x+(b.col1.x*s.x+b.col2.x*s.y)…
97 …y=0.5*(e.y+m.y);this.m_axis=w.CrossVF(w.SubtractVV(m,e),1);this.m_axis.Normalize();s=this.m_axis;b…
98 …y=0.5*(x.y+C.y);this.m_axis=w.CrossVF(w.SubtractVV(C,x),1);this.m_axis.Normalize();s=this.m_axis;b…
99 …y*v.y;t=J.x*J.x+J.y*J.y;b=w.SubtractVV(J,v);f=v.x*b.x+v.y*b.y;b=J.x*b.x+J.y*b.y;v=v.x*J.x+v.y*J.y;…
100 e.y);t=new p;t.x=x.x+J*(C.x-x.x);t.y=x.y+J*(C.y-x.y);if(J==0||J==1){this.m_type=d.e_faceB;this.m_ax…
101 …y-f.y)*this.m_axis.y;case d.e_faceA:r=w.MulMV(b.R,this.m_axis);f=w.MulX(b,this.m_localPoint);m=w.M…
102 …_v2;this.m_vertices[2]=this.m_v3};h.prototype.ReadCache=function(b,e,f,m,r){y.b2Assert(0<=b.count&…
104 …rossVV(b,this.m_v1.w.GetNegative())>0?w.CrossFV(1,b):w.CrossVF(b,1);default:y.b2Assert(false);retu…
105 …y.b2Assert(false);return new p;case 1:return this.m_v1.w;case 2:return new p(this.m_v1.a*this.m_v1…
106 …y;e.x=this.m_v1.a*this.m_v1.wB.x+this.m_v2.a*this.m_v2.wB.x;e.y=this.m_v1.a*this.m_v1.wB.y+this.m_…
107 …y.b2Assert(false);return 0}};h.prototype.Solve2=function(){var b=this.m_v1.w,e=this.m_v2.w,f=w.Sub…
110 …++o.b2_toiCalls;var e=b.proxyA,f=b.proxyB,m=b.sweepA,r=b.sweepB;y.b2Assert(m.t0==r.t0);y.b2Assert(…
114 …y.b2_maxManifoldPoints);for(var b=0;b<y.b2_maxManifoldPoints;b++)this.m_points[b]=new p};n.prototy…
115 …y;t=m.R;v=b.m_points[0].m_localPoint;b=m.position.x+t.col1.x*v.x+t.col2.x*v.y;m=m.position.y+t.col…
116 …y*v.y;t=e.R;v=b.m_localPoint;J=e.position.x+t.col1.x*v.x+t.col2.x*v.y;T=e.position.y+t.col1.y*v.x+…
117 …y;t=m.R;v=b.m_localPoint;J=m.position.x+t.col1.x*v.x+t.col2.x*v.y;T=m.position.y+t.col1.y*v.x+t.co…
121 …ox2D.Collision.Shapes.b2CircleShape,K=Box2D.Collision.Shapes.b2EdgeChainDef,y=Box2D.Collision.Shap…
123 …y);u=k.position.y+(u.col1.y*this.m_p.x+u.col2.y*this.m_p.y);D=z.x-D;u=z.y-u;return D*D+u*u<=this.m…
124 …y=u+E*O;k.normal.Normalize();return true}return false};G.prototype.ComputeAABB=function(k,z){var u…
125 …y*this.m_p.y))};G.prototype.ComputeSubmergedArea=function(k,z,u,D){if(z===undefined)z=0;u=B.MulX(u…
126 …tion(){this.vertexCount=0;this.isALoop=true;this.vertices=[]};Box2D.inherit(y,Box2D.Collision.Shap…
127 y.prototype.__super=Box2D.Collision.Shapes.b2Shape.prototype;y.b2EdgeShape=function(){Box2D.Collisi…  method
128 …y),R=u.position.y+(D.col1.y*this.m_v1.x+D.col2.y*this.m_v1.y),N=u.position.y+(D.col1.y*this.m_v2.x…
129 …y),H=z.position.y+(u.col1.y*this.m_v1.x+u.col2.y*this.m_v1.y),O=z.position.x+(u.col1.x*this.m_v2.x…
130 …y*z),O=B.MulX(u,this.m_v1);u=B.MulX(u,this.m_v2);var E=B.Dot(k,O)-z;k=B.Dot(k,u)-z;if(E>0)if(k>0)r…
131 …y.prototype.GetCoreVertex1=function(){return this.m_coreV1};y.prototype.GetCoreVertex2=function(){…
132 …y.prototype.GetFirstVertex=function(k){var z=k.R;return new V(k.position.x+(z.col1.x*this.m_coreV1…
133 …y+(D.col1.y*this.m_coreV1.x+D.col2.y*this.m_coreV1.y),E=k.position.x+(D.col1.x*this.m_coreV2.x+D.c…
134 …y-this.m_v1.y);this.m_length=this.m_direction.Normalize();this.m_normal.Set(this.m_direction.y,-th…
135 y.prototype.SetPrevEdge=function(k,z,u,D){this.m_prevEdge=k;this.m_coreV1=z;this.m_cornerDir1=u;thi…
141 …y=0.5*(k.y+z.y);this.m_normals[0]=B.CrossVF(B.SubtractVV(z,k),1);this.m_normals[0].Normalize();thi…
142 …y;u=this.m_normals[R];if(u.x*D+u.y*H>0)return false}return true};A.prototype.RayCast=function(k,z,…
143 …y;k.normal.y=R.col1.y*N.x+R.col2.y*N.y;return true}return false};A.prototype.ComputeAABB=function(…
144 …y);D=z.position.y+(u.col1.y*D.x+u.col2.y*D.y);H=H<S?H:S;O=O<D?O:D;E=E>S?E:S;R=R>D?R:D}k.lowerBound…
145 …1)]:this.m_vertices[0],aa=N.x-0,Z=N.y-0,d=S.x-0,h=S.y-0,l=aa*h-Z*d,j=0.5*l;H+=j;u+=j*E*(0+N.x+S.x)…
147 …y*(1-O)+this.m_vertices[k].y*O);z=new V(this.m_vertices[z].x*(1-E)+this.m_vertices[H].x*E,this.m_v…
148 …y*k.y,D=1;D<this.m_vertexCount;++D){var H=this.m_vertices[D].x*k.x+this.m_vertices[D].y*k.y;if(H>u…
149 k.y;if(H>u){z=D;u=H}}return this.m_vertices[z]};A.prototype.Validate=function(){return false};A.pro…
150 …y-0)-(E.y-0)*(R.x-0));D+=N;u.x+=N*H*(0+E.x+R.x);u.y+=N*H*(0+E.y+R.y)}u.x*=1/D;u.y*=1/D;return u};A…
151 …y-O.y,q=E*j+R*o;j=S*j+aa*o;if(q<N)N=q;if(j<Z)Z=j;if(q>d)d=q;if(j>h)h=j}l=(d-N)*(h-Z);if(l<0.95*z){…
155 …y,w,A){if(y===undefined)y=0;if(w===undefined)w=0;if(A===undefined)A=0;this._r=Box2D.parseUInt(255*…  argument
156 …y){if(y===undefined)y=0;this._r=Box2D.parseUInt(255*K.Clamp(y,0,1))}});Object.defineProperty(F.pro…  argument
157 …y=0;this._b=Box2D.parseUInt(255*K.Clamp(y,0,1))}});Object.defineProperty(F.prototype,"color",{enum…  argument
161 ….Common.Math.b2Mat22,G=Box2D.Common.Math.b2Mat33,K=Box2D.Common.Math.b2Math,y=Box2D.Common.Math.b2…
162 …y=p;this.col2.y=B};F.prototype.SetVV=function(p,B){this.col1.SetV(p);this.col2.SetV(B)};F.prototyp…
163 …y=0;this.col2.y=0};F.prototype.GetAngle=function(){return Math.atan2(this.col1.y,this.col1.x)};F.p…
164 0)W=1/W;p.x=W*(I*B-M*Q);p.y=W*(V*Q-L*B);return p};F.prototype.Abs=function(){this.col1.Abs();this.c…
165 …y+=p.col1.y;this.col1.z+=p.col1.z;this.col2.x+=p.col2.x;this.col2.y+=p.col2.y;this.col2.z+=p.col2.…
166 …y=0;this.col1.z=0;this.col2.z=0;this.col3.z=1};G.prototype.SetZero=function(){this.col1.x=0;this.c…
167 …y,I=this.col1.z,W=this.col2.x,Y=this.col2.y,k=this.col2.z,z=this.col3.x,u=this.col3.y,D=this.col3.…
168 …y-p.y*B.x};K.CrossVF=function(p,B){if(B===undefined)B=0;return new A(B*p.y,-B*p.x)};K.CrossFV=func…
169 …y*p.R.col2.y;Q.x=V;return Q};K.AddVV=function(p,B){return new A(p.x+B.x,p.y+B.y)};K.SubtractVV=fun…
170 …y))};K.AbsM=function(p){return F.FromVV(K.AbsV(p.col1),K.AbsV(p.col2))};K.Min=function(p,B){if(p==…
171 …;return p>B?p:B};K.MaxV=function(p,B){return new A(K.Max(p.x,B.x),K.Max(p.y,B.y))};K.Clamp=functio…
172 ….Math.b2Math.b2Transform_identity=new w(K.b2Vec2_zero,K.b2Mat22_identity)});y.b2Sweep=function(){t…
173 …y.prototype.Set=function(p){this.localCenter.SetV(p.localCenter);this.c0.SetV(p.c0);this.c.SetV(p.…
174 …y;p.position.y-=Q.col1.y*this.localCenter.x+Q.col2.y*this.localCenter.y};y.prototype.Advance=funct…
175 …his.R.col1.y,this.R.col1.x)};A.b2Vec2=function(){};A.prototype.b2Vec2=function(p,B){if(p===undefin…
176 …y=this.x=0};A.prototype.Set=function(p,B){if(p===undefined)p=0;if(B===undefined)B=0;this.x=p;this.…
177 …y+=p.y};A.prototype.Subtract=function(p){this.x-=p.x;this.y-=p.y};A.prototype.Multiply=function(p)…
178 …y;this.y=p*B};A.prototype.MinV=function(p){this.x=this.x<p.x?this.x:p.x;this.y=this.y<p.y?this.y:p…
179 …y*this.y);if(p<Number.MIN_VALUE)return 0;var B=1/p;this.x*=B;this.y*=B;return p};A.prototype.IsVal…
180 …y=p.y;this.z=p.z};U.prototype.GetNegative=function(){return new U(-this.x,-this.y,-this.z)};U.prot…
181 …mon.Math.b2Math,G=Box2D.Common.Math.b2Sweep,K=Box2D.Common.Math.b2Transform,y=Box2D.Common.Math.b2…
183 …rVelocity=new y;this.m_force=new y};k.prototype.connectEdges=function(a,c,g){if(g===undefined)g=0;…
186 …x=g.col1.x*b.x+g.col2.x*b.y;this.m_sweep.c.y=g.col1.y*b.x+g.col2.y*b.y;this.m_sweep.c.x+=this.m_xf…
187 this.m_xf.position.y;this.m_sweep.c0.SetV(this.m_sweep.c);this.m_sweep.a0=this.m_sweep.a=c;b=this.m…
190 …e(true);this.m_force.x+=a.x;this.m_force.y+=a.y;this.m_torque+=(c.x-this.m_sweep.c.x)*a.y-(c.y-thi…
191 …;this.m_linearVelocity.y+=this.m_invMass*a.y;this.m_angularVelocity+=this.m_invI*((c.x-this.m_swee…
195 …y*a.center.y);this.m_invI=1/this.m_I}var c=this.m_sweep.c.Copy();this.m_sweep.localCenter.SetV(a.c…
196 …y.Make(0,0),c=this.m_fixtureList;c;c=c.m_next)if(c.m_density!=0){var g=c.GetMassData();this.m_mass…
197 …y-c.y);this.m_linearVelocity.y+=this.m_angularVelocity*+(this.m_sweep.c.x-c.x)}};k.prototype.GetWo…
198 …y+=this.m_xf.position.y;return a};k.prototype.GetWorldVector=function(a){return F.MulMV(this.m_xf.…
199 …y(c.col1.x*a.x+c.col2.x*a.y,c.col1.y*a.x+c.col2.y*a.y);a.x+=this.m_xf.position.x;a.y+=this.m_xf.po…
205 ….R,b=this.m_sweep.localCenter;this.m_sweep.c.x=g.col1.x*b.x+g.col2.x*b.y;this.m_sweep.c.y=g.col1.y*
206 b.x+g.col2.y*b.y;this.m_sweep.c.x+=this.m_xf.position.x;this.m_sweep.c.y+=this.m_xf.position.y;this…
207 ….x=this.m_sweep.c0.x-(c.col1.x*g.x+c.col2.x*g.y);a.position.y=this.m_sweep.c0.y-(c.col1.y*g.x+c.co…
208 …=this.m_sweep.c.x-(a.col1.x*c.x+a.col2.x*c.y);this.m_xf.position.y=this.m_sweep.c.y-(a.col1.y*c.x+…
210 …dy.b2_dynamicBody=2});z.b2BodyDef=function(){this.position=new y;this.linearVelocity=new y};z.prot…
228 ….x+=a.dt*(c.x+e.m_invMass*e.m_force.x);e.m_linearVelocity.y+=a.dt*(c.y+e.m_invMass*e.m_force.y);e.…
230 …y;if(m*m+r*r>A.b2_maxTranslationSquared){e.m_linearVelocity.Normalize();e.m_linearVelocity.x*=A.b2…
231 a.dt*e.m_linearVelocity.y;e.m_sweep.a+=a.dt*e.m_angularVelocity;e.SynchronizeTransform()}}for(b=0;b…
233 …=k.b2_staticBody){var e=a.dt*g.m_linearVelocity.x,f=a.dt*g.m_linearVelocity.y;if(e*e+f*f>A.b2_maxT…
234 …y*=A.b2_maxTranslation*a.inv_dt}e=a.dt*g.m_angularVelocity;if(e*e>A.b2_maxRotationSquared)g.m_angu…
248 …();var a=this.m_debugDraw.GetFlags(),c,g,b;new y;new y;new y;var e;new U;new U;e=[new y,new y,new …
249 …is.m_debugDraw.DrawSegment(b,g,f)}}if(a&E.e_aabbBit){b=this.m_contactManager.m_broadPhase;e=[new y,
250 …y,new y,new y];for(c=this.m_bodyList;c;c=c.GetNext())if(c.IsActive()!=false)for(g=c.GetFixtureList…
252 …y-A.b2_linearSlop);b.upperBound.Set(c.x+A.b2_linearSlop,c.y+A.b2_linearSlop);g.Query(function(e){e…
267 …=Box2D.Collision.Shapes.b2EdgeShape,K=Box2D.Collision.Shapes.b2PolygonShape,y=Box2D.Collision.Shap…
275 this.m_fixtureA.GetShape();c=this.m_fixtureB.GetShape();n=n.GetTransform();a=a.GetTransform();q=y.T…
280 …y.e_shapeTypeCount);for(var j=0;j<y.e_shapeTypeCount;j++){this.m_registers[j]=new Vector(y.e_shape…
281 y.e_polygonShape,y.e_edgeShape)};Q.prototype.Create=function(j,o){var q=parseInt(j.GetType()),n=par…
283 …ution()),v=e.m_linearVelocity.x,t=e.m_linearVelocity.y,x=f.m_linearVelocity.x,C=f.m_linearVelocity…
284 …y;n=this.m_constraints[j];n.bodyA=e;n.bodyB=f;n.manifold=m;n.normal.x=c;n.normal.y=a;n.pointCount=…
285 …y=L.s_worldManifold.m_points[g].y-e.m_sweep.c.y;var P=b.rB.x=L.s_worldManifold.m_points[g].x-f.m_s…
286 …y*(C+T*P-t-J*r);if(r<-O.b2_velocityThreshold)b.velocityBias+=-n.restitution*r}if(n.pointCount==2){…
287 …B,c=n.m_invMass,g=n.m_invI,b=a.m_invMass,e=a.m_invI,f=q.normal.x,m=q.normal.y,r=m,s=-f,v=0,t=0;if(…
288 …rA.y*C);n.m_linearVelocity.x-=c*C;n.m_linearVelocity.y-=c*J;a.m_angularVelocity+=e*(x.rB.x*J-x.rB.…
289 …y;f=-b;g=a.friction;for(j=0;j<a.pointCount;j++){o=a.points[j];q=C.x-t*o.rB.y-x.x+v*o.rA.y;n=C.y+t*…
290 …y-x.x- -v*o.rA.y;n=C.y+t*o.rB.x-x.y-v*o.rA.x;a=q*b+n*e;q=-o.normalMass*(a-o.velocityBias);n=o.norm…
291 …y-v*j.rA.x)*e;n=ba-o.velocityBias;c=ca-j.velocityBias;f=a.K;n-=f.col1.x*q+f.col2.x*g;for(c-=f.col1…
292 …y-=J*(q+e);v-=T*(o.rA.x*q-o.rA.y*a+j.rA.x*e-j.rA.y*b);C.x+=P*(a+b);C.y+=P*(q+e);t+=X*(o.rB.x*q-o.r…
293 …e;x.x-=J*(a+b);x.y-=J*(q+e);v-=T*(o.rA.x*q-o.rA.y*a+j.rA.x*e-j.rA.y*b);C.x+=P*(a+b);C.y+=P*(q+e);t…
294 …L.s_psm.m_separations[r],x=v.x-a.m_sweep.c.x,C=v.y-a.m_sweep.c.y,J=v.x-c.m_sweep.c.x;v=v.y-c.m_swe…
295 …;s=t*m.x;t=t*m.y;a.m_sweep.c.x-=g*s;a.m_sweep.c.y-=g*t;a.m_sweep.a-=b*(x*t-C*s);a.SynchronizeTrans…
298 …s.__super.Reset.call(this,j,o);O.b2Assert(j.GetType()==y.e_polygonShape);O.b2Assert(o.GetType()==y…
299 …pe.Reset=function(j,o){this.__super.Reset.call(this,j,o);O.b2Assert(j.GetType()==y.e_polygonShape);
300 O.b2Assert(o.GetType()==y.e_edgeShape)};k.prototype.Evaluate=function(){var j=this.m_fixtureA.GetBo…
302 …calPoint;o=j.bodyA.m_xf.position.x+(a.col1.x*n.x+a.col2.x*n.y);q=j.bodyA.m_xf.position.y+(a.col1.y*
303 …y*n.y);a=j.bodyB.m_xf.R;n=j.points[0].localPoint;c=j.bodyB.m_xf.position.x+(a.col1.x*n.x+a.col2.x*…
304 …y;this.m_normal.y=a.col1.y*n.x+a.col2.y*n.y;a=j.bodyA.m_xf.R;n=j.localPoint;c=j.bodyA.m_xf.positio…
305 …y;this.m_normal.y=a.col1.y*n.x+a.col2.y*n.y;a=j.bodyB.m_xf.R;n=j.localPoint;c=j.bodyB.m_xf.positio…
306 (n-g)*this.m_normal.y-j.radius;this.m_points[o].Set(q,n)}this.m_normal.x*=-1;this.m_normal.y*=-1}};…
307 (function(){var F=Box2D.Common.Math.b2Mat22,G=Box2D.Common.Math.b2Math,K=Box2D.Common.Math.b2Vec2,y…
309 ….GetTransform(),u);Y+=D;I.x+=D*u.x;I.y+=D*u.y;var H=0;H=1;k+=D*H;W.x+=D*u.x*H;W.y+=D*u.y*H}I.x/=Y;…
310 …y*1E3;L.y=this.normal.y*this.offset-this.normal.x*1E3;I.x=this.normal.x*this.offset-this.normal.y*…
311 …y*M.dt);for(var L=this.m_bodyList;L;L=L.nextBody){var I=L.body;I.IsAwake()&&I.SetLinearVelocity(ne…
315 …m_bodyList;Y!=M;Y=Y.nextBody){k=Y.body;z=k.GetWorldCenter();u=z.x-I.x;D=z.y-I.y;H=u*u+D*D;if(!(H<N…
316 …m_bodyList;Y!=M;Y=Y.nextBody){k=Y.body;z=k.GetWorldCenter();u=z.x-I.x;D=z.y-I.y;H=u*u+D*D;if(!(H<N…
317 …fined)M=0;if(L===undefined)L=0;this.T.col1.x=-M;this.T.col1.y=0;this.T.col2.x=0;this.T.col2.y=-L;t…
318 …));I.SetLinearVelocity(new K(I.GetLinearVelocity().x+W.x*M,I.GetLinearVelocity().y+W.y*M))}}}}})();
319 (function(){var F=Box2D.Common.b2Settings,G=Box2D.Common.Math.b2Mat22,K=Box2D.Common.Math.b2Mat33,y…
322 0;return new w(d*this.m_impulse*this.m_u.x,d*this.m_impulse*this.m_u.y)};U.prototype.GetReactionTor…
323 …his.m_bodyB;h=j.m_xf.R;var q=this.m_localAnchor1.x-j.m_sweep.localCenter.x,n=this.m_localAnchor1.y-
324 …y;l=h.col1.x*q+h.col2.x*n;n=h.col1.y*q+h.col2.y*n;q=l;h=o.m_xf.R;var a=this.m_localAnchor2.x-o.m_s…
325 ….m_impulse*=d.dtRatio;d=this.m_impulse*this.m_u.x;h=this.m_impulse*this.m_u.y;j.m_linearVelocity.x…
326 …y-=j.m_invMass*h;j.m_angularVelocity-=j.m_invI*(q*h-n*d);o.m_linearVelocity.x+=o.m_invMass*d;o.m_l…
327 …y-l.m_sweep.localCenter.y;q=d.col1.x*n+d.col2.x*a;a=d.col1.y*n+d.col2.y*a;n=q;q=-this.m_mass*(this…
328 …y+=l.m_invMass*q;l.m_angularVelocity+=l.m_invI*(n*q-a*d)};U.prototype.SolvePositionConstraints=fun…
329 …y-l.m_sweep.localCenter.y;q=d.col1.x*n+d.col2.x*a;a=d.col1.y*n+d.col2.y*a;n=q;q=l.m_sweep.c.x+n-h.…
330 l.m_sweep.a+=l.m_invI*(n*c-a*q);h.SynchronizeTransform();l.SynchronizeTransform();return y.Abs(d)<F…
331 …int(l));this.localAnchorB.SetV(this.bodyB.GetLocalPoint(j));d=j.x-l.x;l=j.y-l.y;this.length=Math.s…
332 …=undefined)d=0;return new w(d*this.m_linearImpulse.x,d*this.m_linearImpulse.y)};B.prototype.GetRea…
334 …y-j.m_sweep.localCenter.y;l=h.col1.x*q+h.col2.x*n;n=h.col1.y*q+h.col2.y*n;q=l;h=o.m_xf.R;var a=thi…
335 …y=0;e.col2.y=h+l;e.col1.x+=g*n*n;e.col2.x+=-g*q*n;e.col1.y+=-g*q*n;e.col2.y+=g*q*q;e.col1.x+=b*c*c…
336 …y-=h*d.y;j.m_angularVelocity-=g*(q*d.y-n*d.x+this.m_angularImpulse);o.m_linearVelocity.x+=l*d.x;o.…
337 …y-j.m_sweep.localCenter.y;l=h.col1.x*m+h.col2.x*r;r=h.col1.y*m+h.col2.y*r;m=l;h=o.m_xf.R;var s=thi…
338 …y+c*s-q.y-n*m)));l=this.m_linearImpulse.Copy();this.m_linearImpulse.Add(h);h=d.dt*this.m_maxForce;…
341 …y)};V.prototype.GetReactionTorque=function(d){if(d===undefined)d=0;var h=this.m_bodyB.m_xf.R,l=thi…
345 …y;n=h.col1.y*n.x+h.col2.y*n.y;h=j.m_xf.R;a=this.m_localAnchor1.x-j.m_sweep.localCenter.x;c=this.m_…
346 …y;n=h.col1.y*n.x+h.col2.y*n.y;h=o.m_xf.R;a=this.m_localAnchor2.x-o.m_sweep.localCenter.x;c=this.m_…
347 …y+=j.m_invMass*this.m_impulse*this.m_J.linearA.y;j.m_angularVelocity+=j.m_invI*this.m_impulse*this…
348 …y+=d.m_invMass*l*this.m_J.linearA.y;d.m_angularVelocity+=d.m_invI*l*this.m_J.angularA;h.m_linearVe…
349 …y+=d.m_invMass*l*this.m_J.linearA.y;d.m_sweep.a+=d.m_invI*l*this.m_J.angularA;h.m_sweep.c.x+=h.m_i…
351 …ed)j=0;return this.linearA.x*d.x+this.linearA.y*d.y+this.angularA*h+(this.linearB.x*l.x+this.linea…
358 …y)*this.m_axis.x),d*(this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.y)*this.m_…
359 …y*l};k.prototype.GetJointSpeed=function(){var d=this.m_bodyA,h=this.m_bodyB,l;l=d.m_xf.R;var j=thi…
360 …gularVelocity;h=h.m_angularVelocity;return l*-d*c.y+q*d*c.x+(c.x*(b.x+-h*a-g.x- -d*o)+c.y*(b.y+h*n…
362 …V(d.localAnchorB);this.m_localXAxis1.SetV(d.localAxisA);this.m_localYAxis1.x=-this.m_localXAxis1.y;
363 this.m_localYAxis1.y=this.m_localXAxis1.x;this.m_impulse.SetZero();this.m_motorImpulse=this.m_motor…
364 …y-this.m_localCenterA.y;o=j.col1.x*n+j.col2.x*a;a=j.col1.y*n+j.col2.y*a;n=o;j=l.m_xf.R;var c=this.…
365 …y.MulMV(q.R,this.m_localXAxis1));this.m_a1=(j+n)*this.m_axis.y-(o+a)*this.m_axis.x;this.m_a2=c*thi…
366 …y=a*this.m_s1*this.m_a1+c*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=q+n+…
367 …y=0}}else if(j>=this.m_upperTranslation){if(this.m_limitState!=I.e_atUpperLimit){this.m_limitState…
368 …y)*this.m_axis.x;j=this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.y)*this.m_ax…
369 …(q.x-j.x)+this.m_axis.y*(q.y-j.y)+this.m_a2*n-this.m_a1*o));a=this.m_motorImpulse;c=d.dt*this.m_ma…
370 …y;g=b*this.m_a1;b=b*this.m_a2;j.x-=this.m_invMassA*a;j.y-=this.m_invMassA*c;o-=this.m_invIA*g;q.x+…
371 …y=y.Max(this.m_impulse.y,0);else if(this.m_limitState==I.e_atUpperLimit)this.m_impulse.y=y.Min(thi…
372 …c=d*this.m_perp.y;g=d*this.m_s1;b=d*this.m_s2}j.x-=this.m_invMassA*a;j.y-=this.m_invMassA*c;o-=thi…
373 …y-this.m_localCenterA.y;a=n.col1.x*f+n.col2.x*s;s=n.col1.y*f+n.col2.y*s;f=a;n=g;g=this.m_localAnch…
374 …y*a;if(y.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*F.b2_linearSlop){m=y.Clamp(v,-F.b2…
375 …y.MulMV(r,this.m_localYAxis1);this.m_s1=(n+f)*this.m_perp.y-(a+s)*this.m_perp.x;this.m_s2=g*this.m…
376 …y=0}m=r.x*this.m_perp.x+r.y*this.m_axis.x;c=r.x*this.m_perp.y+r.y*this.m_axis.y;s=r.x*this.m_s1+r.…
379 …on(d){if(d===undefined)d=0;return new w(d*this.m_impulse.x,d*this.m_impulse.y)};u.prototype.GetRea…
381 …target.y-this.m_bodyB.m_xf.position.y,j=this.m_bodyB.m_xf.R;this.m_localAnchor.x=h*j.col1.x+l*j.co…
382 …y-h.m_sweep.localCenter.y;var q=o.col1.x*l+o.col2.x*j;j=o.col1.y*l+o.col2.y*j;l=q;o=h.m_invMass;q=…
383 …y+=this.m_gamma;this.K.GetInverse(this.m_mass);this.m_C.x=h.m_sweep.c.x+l-this.m_target.x;this.m_C…
384 …y-h.m_sweep.localCenter.y;j=l.col1.x*q+l.col2.x*n;n=l.col1.y*q+l.col2.y*n;q=j;j=h.m_linearVelocity…
385 …y+=o;d=d.dt*this.m_maxForce;this.m_impulse.LengthSquared()>d*d&&this.m_impulse.Multiply(d/this.m_i…
387 …)*this.m_axis.x),d*(this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_a…
388 …y};H.prototype.GetJointTranslation=function(){var d=this.m_bodyA,h=this.m_bodyB,l=d.GetWorldPoint(…
389 …y*j+l.col2.y*o;j=q;l=h.m_xf.R;var n=this.m_localAnchor2.x-h.m_sweep.localCenter.x,a=this.m_localAn…
392 …xis1.SetV(d.localAxisA);this.m_localYAxis1.x=-this.m_localXAxis1.y;this.m_localYAxis1.y=this.m_loc…
393 …his.m_localAnchor1.x-this.m_localCenterA.x,a=this.m_localAnchor1.y-this.m_localCenterA.y;o=j.col1.…
394 …y*n+j.col2.y*a;n=o;j=l.m_xf.R;var c=this.m_localAnchor2.x-this.m_localCenterB.x,g=this.m_localAnch…
395 …y.MulMV(q.R,this.m_localYAxis1));this.m_s1=(j+n)*this.m_perp.y-(o+a)*this.m_perp.x;this.m_s2=c*thi…
396 …y;this.m_K.col2.y=a+c;this.m_K.col2.z=a*this.m_a1+c*this.m_a2;this.m_K.col3.x=this.m_K.col1.z;this…
397 …otorImpulse=0;if(d.warmStarting){this.m_impulse.x*=d.dtRatio;this.m_impulse.y*=d.dtRatio;this.m_mo…
398 …y+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.y;o=this.m_impulse.x*this.m_s1+this.m_impulse…
399 …(q.x-j.x)+this.m_axis.y*(q.y-j.y)+this.m_a2*n-this.m_a1*o));a=this.m_motorImpulse;d=d.dt*this.m_ma…
400 …y;g=b*this.m_a1;b=b*this.m_a2;j.x-=this.m_invMassA*a;j.y-=this.m_invMassA*c;o-=this.m_invIA*g;q.x+…
401 …y.Max(this.m_impulse.z,0);else if(this.m_limitState==I.e_atUpperLimit)this.m_impulse.z=y.Min(this.…
402 …y+d.z*this.m_a1;b=d.x*this.m_s2+d.y+d.z*this.m_a2}else{d=this.m_K.Solve22(new w,-g,-c);this.m_impu…
403 …y-this.m_localCenterA.y;a=n.col1.x*e+n.col2.x*s;s=n.col1.y*e+n.col2.y*s;e=a;n=r;r=this.m_localAnch…
404 y.MulMV(m,this.m_localXAxis1);this.m_a1=(n+e)*this.m_axis.y-(a+s)*this.m_axis.x;this.m_a2=r*this.m_…
405 y.Clamp(v-this.m_upperTranslation+F.b2_linearSlop,0,F.b2_maxLinearCorrection);b=v-this.m_upperTrans…
406 ….col2.x=this.m_K.col1.y;this.m_K.col2.y=n+a;this.m_K.col2.z=n*this.m_a1+a*this.m_a2;this.m_K.col3.…
407 …y=f.y;m.z=0}f=m.x*this.m_perp.x+m.z*this.m_axis.x;c=m.x*this.m_perp.y+m.z*this.m_axis.y;s=m.x*this…
410 …ed)d=0;return new w(d*this.m_impulse*this.m_u2.x,d*this.m_impulse*this.m_u2.y)};E.prototype.GetRea…
411 …ound.m_xf.position.x+this.m_groundAnchor1.x);d=d.y-(this.m_ground.m_xf.position.y+this.m_groundAnc…
412 …y-(this.m_ground.m_xf.position.y+this.m_groundAnchor2.y);return Math.sqrt(h*h+d*d)};E.prototype.Ge…
413 …y=d.groundAnchorB.y-this.m_ground.m_xf.position.y;this.m_localAnchor1.SetV(d.localAnchorA);this.m_…
414 …y-h.m_sweep.localCenter.y,n=j.col1.x*o+j.col2.x*q;q=j.col1.y*o+j.col2.y*q;o=n;j=l.m_xf.R;var a=thi…
415 …y;this.m_u1.Set(h.m_sweep.c.x+o-(this.m_ground.m_xf.position.x+this.m_groundAnchor1.x),h.m_sweep.c…
416 …se2=0}else this.m_limitState2=I.e_atUpperLimit;j=o*this.m_u1.y-q*this.m_u1.x;n=a*this.m_u2.y-c*thi…
417 …y;n=(-this.m_ratio*this.m_impulse-this.m_limitImpulse2)*this.m_u2.x;g=(-this.m_ratio*this.m_impuls…
418 …y+=l.m_invMass*g;l.m_angularVelocity+=l.m_invI*(a*g-c*n)}else this.m_limitImpulse2=this.m_limitImp…
419 …y*n+l.col2.y*a;n=q;var c=q=l=0,g=0;l=g=l=g=c=q=l=0;if(this.m_state==I.e_atUpperLimit){l=d.m_linear…
420 …y;d.m_linearVelocity.x+=d.m_invMass*l;d.m_linearVelocity.y+=d.m_invMass*q;d.m_angularVelocity+=d.m…
421 y.Max(0,this.m_limitImpulse1+g);g=this.m_limitImpulse1-l;l=-g*this.m_u1.x;q=-g*this.m_u1.y;d.m_line…
422 …y;h.m_linearVelocity.x+=h.m_invMass*c;h.m_linearVelocity.y+=h.m_invMass*g;h.m_angularVelocity+=h.m…
423 …y-d.m_sweep.localCenter.y;e=l.col1.x*a+l.col2.x*c;c=l.col1.y*a+l.col2.y*c;a=e;l=h.m_xf.R;g=this.m_…
424 …y.Max(r,-l);l=y.Clamp(l+F.b2_linearSlop,-F.b2_maxLinearCorrection,0);m=-this.m_pulleyMass*l;l=-m*t…
425 …y-d.m_sweep.localCenter.y;e=l.col1.x*a+l.col2.x*c;c=l.col1.y*a+l.col2.y*c;a=e;l=d.m_sweep.c.x+a;e=…
426 …y;d.m_sweep.c.x+=d.m_invMass*l;d.m_sweep.c.y+=d.m_invMass*e;d.m_sweep.a+=d.m_invI*(a*e-c*l);d.Sync…
427 …y.Max(r,-l);l=y.Clamp(l+F.b2_linearSlop,-F.b2_maxLinearCorrection,0);m=-this.m_limitMass2*l;f=-m*t…
429 …chorB=this.bodyB.GetLocalPoint(q);d=o.x-l.x;l=o.y-l.y;this.lengthA=Math.sqrt(d*d+l*l);l=q.x-j.x;j=…
431 …on(d){if(d===undefined)d=0;return new w(d*this.m_impulse.x,d*this.m_impulse.y)};N.prototype.GetRea…
434 ….m_localAnchor1.x-h.m_sweep.localCenter.x,n=this.m_localAnchor1.y-h.m_sweep.localCenter.y;o=j.col1…
435 …y*q+j.col2.y*n;q=o;j=l.m_xf.R;var a=this.m_localAnchor2.x-l.m_sweep.localCenter.x,c=this.m_localAn…
436 …(this.m_enableLimit){var e=l.m_sweep.a-h.m_sweep.a-this.m_referenceAngle;if(y.Abs(this.m_upperAngl…
437 …y*=d.dtRatio;this.m_motorImpulse*=d.dtRatio;d=this.m_impulse.x;e=this.m_impulse.y;h.m_linearVeloci…
438 …eed);q=this.m_motorImpulse;n=d.dt*this.m_maxMotorTorque;this.m_motorImpulse=y.Clamp(this.m_motorIm…
439 …y-h.m_sweep.localCenter.y;j=d.col1.x*o+d.col2.x*q;q=d.col1.y*o+d.col2.y*q;o=j;d=l.m_xf.R;n=this.m_…
440 …d.x;this.impulse3.y=this.reduced.y;this.impulse3.z=-this.m_impulse.z;this.m_impulse.x+=this.reduce…
441 …y=this.reduced.y;this.impulse3.z=-this.m_impulse.z;this.m_impulse.x+=this.reduced.x;this.m_impulse…
442 …y*o+d.col2.y*q;o=j;d=l.m_xf.R;n=this.m_localAnchor2.x-l.m_sweep.localCenter.x;a=this.m_localAnchor…
443 …te==I.e_equalLimits){d=y.Clamp(d-this.m_lowerAngle,-F.b2_maxAngularCorrection,F.b2_maxAngularCorre…
444 …y.Clamp(d+F.b2_angularSlop,-F.b2_maxAngularCorrection,0);c=-this.m_motorMass*d}else if(this.m_limi…
445 …y*c+h.col2.y*d;c=q;h=j.m_xf.R;var g=this.m_localAnchor2.x-j.m_sweep.localCenter.x,b=this.m_localAn…
446 …y+b-l.m_sweep.c.y-d}this.K1.col1.x=q+f;this.K1.col2.x=0;this.K1.col1.y=0;this.K1.col2.y=q+f;this.K…
447 a-d*n);j.m_sweep.c.x+=j.m_invMass*n;j.m_sweep.c.y+=j.m_invMass*a;j.m_sweep.a+=j.m_invI*(g*a-b*n);l.…
450 function(d){if(d===undefined)d=0;return new w(d*this.m_impulse.x,d*this.m_impulse.y)};aa.prototype.…
451 …y-j.m_sweep.localCenter.y;l=h.col1.x*q+h.col2.x*n;n=h.col1.y*q+h.col2.y*n;q=l;h=o.m_xf.R;var a=thi…
452 …y=h+l+q*q*g+a*a*b;this.m_mass.col3.y=q*g+a*b;this.m_mass.col1.z=this.m_mass.col3.x;this.m_mass.col…
453 …y-c*this.m_impulse.x+this.m_impulse.z)}else this.m_impulse.SetZero()};aa.prototype.SolveVelocityCo…
454 …y-j.m_sweep.localCenter.y;h=d.col1.x*r+d.col2.x*s;s=d.col1.y*r+d.col2.y*s;r=h;d=n.x-a*s-o.x+q*m;h=…
455 …y-l.m_sweep.localCenter.y;h=d.col1.x*o+d.col2.x*q;q=d.col1.y*o+d.col2.y*q;o=h;d=j.m_xf.R;var n=thi…
456 …y.Abs(f);if(r>m){c*=1;g*=1}this.m_mass.col1.x=d+h+q*q*c+a*a*g;this.m_mass.col2.x=-q*o*c-a*n*g;this…
457 j.m_sweep.a+=g*(n*m.y-a*m.x+m.z);l.SynchronizeTransform();j.SynchronizeTransform();return r<=F.b2_l…
462 …y){if(K){var w=this.m_ctx,A=this.m_drawScale;w.beginPath();w.strokeStyle=this._color(y.color,this.…  argument
463 …y<K;y++)w.lineTo(G[y].x*A,G[y].y*A);w.lineTo(G[0].x*A,G[0].y*A);w.closePath();w.fill();w.stroke()}…  argument
464 …y.x*K)*U,(G.y+y.y*K)*U);A.closePath();A.fill();A.stroke()}};F.prototype.DrawSegment=function(G,K,y…  argument
465 …y,G.position.y*y);K.lineTo((G.position.x+this.m_xformScale*G.R.col1.x)*y,(G.position.y+this.m_xfor…
512   var y = new Vec2();
517     y.Set(x.x, x.y);
526       bd.position.Set(y.x, y.y);
529       y.Add(deltaY);