30 …ply(this,arguments)}function f(){f.b2Sweep.apply(this,arguments)}function m(){m.b2Transform.apply(…  function
31 arguments);this.constructor===m&&this.b2Transform.apply(this,arguments)}function r(){r.b2Vec2.apply…
44 …mon.Math.b2Math=e;Box2D.Common.Math.b2Sweep=f;Box2D.Common.Math.b2Transform=m;Box2D.Common.Math.b2…
53 …his.upperBound.y};B.prototype.RayCast=function(b,e){var f=-Number.MAX_VALUE,m=Number.MAX_VALUE,r=e…
54 …ound.x-r)*J;P=-1;if(T>J){P=T;T=J;J=P;P=1}if(T>f){C.x=P;C.y=0;f=T}m=Math.min(m,J);if(f>m)return fal…
55 T}m=Math.min(m,J);if(f>m)return false}b.fraction=f;return true};B.prototype.TestOverlap=function(b)…
56 …this.proxy,m=this.stabbingCount;this.value=b.value;this.proxy=b.proxy;this.stabbingCount=b.stabbin…
57 …tToLine=function(b,e,f,m){if(m===undefined)m=0;var r,s=0;r=e[0];var v=r.v;r=e[1];var t=r.v,x=f.x*v…  argument
58 …m,r){if(f===undefined)f=0;parseInt(b.m_vertexCount);var s=b.m_vertices;b=b.m_normals;var v=parseIn…
59 …);s-=f;r-=e;return s*b+r*m};M.FindMaxSeparation=function(b,e,f,m,r){var s=parseInt(e.m_vertexCount…  argument
60 …m,r);t=parseInt(C-1>=0?C-1:s-1);x=M.EdgeSeparation(e,f,t,m,r);J=parseInt(C+1<s?C+1:0);T=M.EdgeSepa…  argument
61 …m];v=x.col1.x*f.x+x.col2.x*f.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.c…
62 …m;t.id.features.incidentEdge=v;t.id.features.incidentVertex=1};M.MakeClipPointVector=function(){va…  argument
63 m,r,e,f);x=M.s_edgeBO[0];if(!(C>v)){var J=0,T=0;if(C>0.98*t+0.0010){t=m;m=e;e=r;f=f;J=x;b.m_type=E.…
65 …m);for(m=r=0;m<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…  argument
66 …m.m_radius;if(!(t*t+r*r>s*s)){b.m_type=E.e_circles;b.m_localPoint.SetV(e.m_p);b.m_localPlaneNormal…  argument
67 x.col1.x+v*x.col1.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…
69 …m.m_p);b.m_points[0].m_id.key=0};M.TestOverlap=function(b,e){var f=e.lowerBound,m=b.upperBound,r=f…
73 …function(b,e,f){++W.b2_gjkCalls;var m=f.proxyA,r=f.proxyB,s=f.transformA,v=f.transformB,t=W.s_simp…
74 …Number.MIN_VALUE)break;X=x[t.m_count];X.indexA=m.GetSupport(w.MulTMV(s.R,P.GetNegative()));X.wA=w.…
75 b.pointB).Length();b.iterations=$;t.WriteCache(e);if(f.useRadii){e=m.m_radius;r=r.m_radius;if(b.dis…
77 …m=1;m<this.m_count;++m){var r=this.m_vertices[m].x*b.x+this.m_vertices[m].y*b.y;if(r>f){e=m;f=r}}r…
78 …ction(b,e){var f=this.AllocateNode(),m=y.b2_aabbExtension,r=y.b2_aabbExtension;f.aabb.lowerBound.x…
79 …m;f.aabb.upperBound.y=b.upperBound.y+r;f.userData=e;this.InsertLeaf(f);return f};u.prototype.Destr…
80 m;b.aabb.upperBound.y=e.upperBound.y+f;this.InsertLeaf(b);return true};u.prototype.Rebalance=functi…
81 …m>0;){var r=f[--m];if(r.aabb.TestOverlap(e))if(r.IsLeaf()){if(!b(r))break}else{f[m++]=r.child1;f[m…
82 ….maxFraction=e.maxFraction;v=b(x,v);if(v==0)break;if(v>0){x=f.x+v*(m.x-f.x);C=f.y+v*(m.y-f.y);t.lo…
83 …af()==false){do{var m=f.child1;f=f.child2;f=Math.abs((m.aabb.lowerBound.x+m.aabb.upperBound.x)/2-e…
84 …m:f}while(f.IsLeaf()==false)}e=f.parent;m=this.AllocateNode();m.parent=e;m.userData=null;m.aabb.Co…
85 m}}};u.prototype.RemoveLeaf=function(b){if(b==this.m_root)this.m_root=null;else{var e=b.parent,f=e.…
86 …rlap=function(b,e){var f=this.m_tree.GetFatAABB(b),m=this.m_tree.GetFatAABB(e);return f.TestOverla…
87 …m;for(f=0;f<e.m_moveBuffer.length;++f){m=e.m_moveBuffer[f];var r=e.m_tree.GetFatAABB(m);e.m_tree.Q…
93 …m){if(m===undefined)m=0;var r=f.p1,s=f.p2.x-r.x,v=f.p2.y-r.y;f=this.p2.y-this.p1.y;var t=-(this.p2…  argument
95 …Initialize=function(b,e,f,m,r){this.m_proxyA=e;this.m_proxyB=m;var s=parseInt(b.count);y.b2Assert(…  argument
96 …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);C=…
97 …m.x);this.m_localPoint.y=0.5*(e.y+m.y);this.m_axis=w.CrossVF(w.SubtractVV(m,e),1);this.m_axis.Norm…
98 …l1.y*s.x+b.col2.y*s.y);s=v;b=f.R;e=f.position.x+(b.col1.x*s.x+b.col2.x*s.y);m=f.position.y+(b.col1…
99 …m-C)*T}else{e=this.m_proxyA.GetVertex(b.indexA[0]);m=this.m_proxyA.GetVertex(b.indexA[1]);x=this.m…
100 …m,e),1);this.m_localPoint=v}}J<0&&this.m_axis.NegativeSelf()}};d.prototype.Evaluate=function(b,e){…
101 …m=w.MulX(e,m);return r=(m.x-f.x)*this.m_axis.x+(m.y-f.y)*this.m_axis.y;case d.e_faceA:r=w.MulMV(b.…
102 …his.m_v2;this.m_vertices[2]=this.m_v3};h.prototype.ReadCache=function(b,e,f,m,r){y.b2Assert(0<=b.c…  argument
103 …m.GetVertex(C.indexB);C.wA=w.MulX(f,s);C.wB=w.MulX(r,v);C.w=w.SubtractVV(C.wB,C.wA);C.a=0}if(this.…
108 …m=w.SubtractVV(e,b),r=w.Dot(b,m),s=w.Dot(e,m);r=-r;var v=w.SubtractVV(f,b),t=w.Dot(b,v),x=w.Dot(f,…
109 …lse if(C>0&&J>0&&m<=0){s=1/(C+J);this.m_v2.a=C*s;this.m_v3.a=J*s;this.m_count=2;this.m_v1.Set(this…
110 …m=b.sweepA,r=b.sweepB;y.b2Assert(m.t0==r.t0);y.b2Assert(1-m.t0>Number.MIN_VALUE);var s=e.m_radius+…
111 ….Max(C-b,0.02*s);if(C-x<0.5*b){if(t==0){v=1;break}break}var J=v,T=v,P=1;C=C;m.GetTransform(o.s_xfA…
112 m.GetTransform(o.s_xfA,ba);r.GetTransform(o.s_xfB,ba);var ca=o.s_fcn.Evaluate(o.s_xfA,o.s_xfB);if(w…
114 …oldPoints;b++)this.m_points[b]=new p};n.prototype.Initialize=function(b,e,f,m,r){if(f===undefined)…  argument
115 …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.col1.y*…
116 …m.R;v=b.m_points[s].m_localPoint;P=m.position.x+t.col1.x*v.x+t.col2.x*v.y;v=m.position.y+t.col1.y*…
117 v.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.c…
192 …m=this.m_fixtureList;m;)if(a(m)){var r=m.m_next;if(f)f.m_next=r;else this.m_fixtureList=r;this.m_f…
213 …m=f.GetContactList();m;){if(m.other==e){var r=m.contact.GetFixtureA(),s=m.contact.GetFixtureB();if…
214 …m.m_prev=null;m.m_next=this.m_world.m_contactList;if(this.m_world.m_contactList!=null)this.m_world…
215 m.m_nodeB;++this.m_world.m_contactCount}}};O.prototype.FindNewContacts=function(){this.m_broadPhase…
227 …m=0;this.m_bodyCapacity=a;this.m_contactCapacity=c;this.m_jointCapacity=g;this.m_jointCount=this.m…
230 …m=a.dt*e.m_linearVelocity.x,r=a.dt*e.m_linearVelocity.y;if(m*m+r*r>A.b2_maxTranslationSquared){e.m…
231 …m=c.SolvePositionConstraints(A.b2_contactBaumgarte);r=true;for(e=0;e<this.m_jointCount;++e){f=this…
232 …((e.m_flags&k.e_allowSleepFlag)==0||e.m_angularVelocity*e.m_angularVelocity>m||F.Dot(e.m_linearVel…
235 this.m_jointCount;++g){var m=this.m_joints[g].SolvePositionConstraints(A.b2_contactBaumgarte);f=f&&…
250 …m=b.GetFatAABB(g.m_proxy);e[0].Set(m.lowerBound.x,m.lowerBound.y);e[1].Set(m.upperBound.x,m.lowerB…
252 …e,e=new V,f=new Q(c,g);b.RayCast(function(m,r){var s=b.GetUserData(r);s=s instanceof S?s:null;if(s…  argument
253 …al,v)}return m.maxFraction},f)};h.prototype.RayCastOne=function(a,c){var g;this.RayCast(function(b…  argument
255 …IsAwake()==false&&c.SetAwake(true);if(c.GetType()!=k.b2_staticBody){for(var m,r=c.m_contactList;r;…
256 m=r.other;if(!(m.m_flags&k.e_islandFlag)){b[f++]=m;m.m_flags|=k.e_islandFlag}}for(c=c.m_jointList;c…
258 l.e_islandFlag);for(b=this.m_jointList;b;b=b.m_next)b.m_islandFlag=false;for(;;){var m=null,r=1;for…
259 …m=b;r=c}}if(m==null||1-100*Number.MIN_VALUE<r)break;c=m.m_fixtureA;g=m.m_fixtureB;c=c.m_body;g=g.m…
260 …lse if(m.IsTouching()!=false){c=c;if(c.GetType()!=k.b2_dynamicBody)c=g;e.Clear();m=b=0;f[b+m++]=c;…
261 …ag)){if(s.GetType()!=k.b2_staticBody){s.Advance(r);s.SetAwake(true)}f[b+m]=s;++m;s.m_flags|=k.e_is…
262 m]=s;++m;s.m_flags|=k.e_islandFlag}}}}}b=h.s_timestep;b.warmStarting=false;b.dt=(1-r)*a.dt;b.inv_dt…
263 …ition,f=a.GetAnchorA(),m=a.GetAnchorB(),r=h.s_jointColor;switch(a.m_type){case q.e_distanceJoint:t…
264 m,r);this.m_debugDraw.DrawSegment(a,c,r);break;case q.e_mouseJoint:this.m_debugDraw.DrawSegment(f,m…
283 …m=a.GetManifold(),r=O.b2MixFriction(n.GetFriction(),c.GetFriction()),s=O.b2MixRestitution(n.GetRes…
284 …m,e.m_xf,g,f.m_xf,b);c=L.s_worldManifold.m_normal.x;a=L.s_worldManifold.m_normal.y;n=this.m_constr…
286 …m=e.m_invMass;e=e.m_invI;v=f.m_invMass;f=f.m_invI;t=C.rA.x*a-C.rA.y*c;C=C.rB.x*a-C.rB.y*c;J=x.rA.x…
287 …odyB,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;…
288 …m+x.tangentImpulse*s;n.m_angularVelocity-=g*(x.rA.x*J-x.rA.y*C);n.m_linearVelocity.x-=c*C;n.m_line…
294 …vI,e=c.m_mass*c.m_invMass,f=c.m_mass*c.m_invI;L.s_psm.Initialize(n);for(var m=L.s_psm.m_normal,r=0…
295 R.Clamp(j*(t+O.b2_linearSlop),-O.b2_maxLinearCorrection,0);t=-s.equalizedMass*t;s=t*m.x;t=t*m.y;a.m…
336 …rVelocity,c=o.m_angularVelocity,g=j.m_invMass,b=o.m_invMass,e=j.m_invI,f=o.m_invI;h=j.m_xf.R;var m=
337 …this.m_localAnchorA.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;…
338 …m)));l=this.m_linearImpulse.Copy();this.m_linearImpulse.Add(h);h=d.dt*this.m_maxForce;if(this.m_li…
373 var m=0,r=G.FromAngle(j);g=G.FromAngle(q);n=r;f=this.m_localAnchor1.x-this.m_localCenterA.x;var s=t…
374 …m=y.Clamp(v,-F.b2_maxLinearCorrection,F.b2_maxLinearCorrection);e=y.Abs(v);c=true}else if(v<=this.…
376 …m)}else{c=this.m_invMassA;g=this.m_invMassB;b=this.m_invIA;n=this.m_invIB;m=c+g+b*this.m_s1*this.m…
403 …c,q=h.m_sweep.a,n,a=0,c=0,g=0,b=a=n=0,e=0;c=false;var f=0,m=G.FromAngle(j),r=G.FromAngle(q);n=m;e=…
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 …his.m_perp=y.MulMV(m,this.m_localYAxis1);this.m_s1=(n+e)*this.m_perp.y-(a+s)*this.m_perp.x;this.m_…
406 …m_K.col3.z=c+g+n*this.m_a1*this.m_a1+a*this.m_a2*this.m_a2;this.m_K.Solve33(m,-s,-r,-f)}else{c=thi…
407 …m.x=f.x;m.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;…
422 …ground.m_xf.position.y+this.m_groundAnchor2.y,a=0,c=0,g=0,b=0,e=l=0,f=0,m=0,r=e=m=l=e=l=0;if(this.…
423 …eep.c.x+a;e=d.m_sweep.c.y+c;f=h.m_sweep.c.x+g;m=h.m_sweep.c.y+b;this.m_u1.Set(l-j,e-o);this.m_u2.S…
424 …m=-this.m_pulleyMass*l;l=-m*this.m_u1.x;e=-m*this.m_u1.y;f=-this.m_ratio*m*this.m_u2.x;m=-this.m_r…
425 …h1-l;r=y.Max(r,-l);l=y.Clamp(l+F.b2_linearSlop,-F.b2_maxLinearCorrection,0);m=-this.m_limitMass1*l;
426 …m*this.m_u1.x;e=-m*this.m_u1.y;d.m_sweep.c.x+=d.m_invMass*l;d.m_sweep.c.y+=d.m_invMass*e;d.m_sweep…
427 …on,0);m=-this.m_limitMass2*l;f=-m*this.m_u2.x;m=-m*this.m_u2.y;h.m_sweep.c.x+=h.m_invMass*f;h.m_sw…
438 ….m_angularVelocity,b=l.m_linearVelocity,e=l.m_angularVelocity,f=h.m_invMass,m=l.m_invMass,r=h.m_in…
441 …g-=r*(o*this.impulse3.y-q*this.impulse3.x+this.impulse3.z);b.x+=m*this.impulse3.x;b.y+=m*this.impu…
442 …this.impulse2.y;g-=r*(o*this.impulse2.y-q*this.impulse2.x);b.x+=m*this.impulse2.x;b.y+=m*this.impu…
445 ….m_sweep.c.y-d;var e=n*n+a*a;h=Math.sqrt(e);q=l.m_invMass;var f=j.m_invMass,m=l.m_invI,r=j.m_invI,…
446 …col1.y=0;this.K1.col2.y=q+f;this.K2.col1.x=m*d*d;this.K2.col2.x=-m*c*d;this.K2.col1.y=-m*c*d;this.…
453 …rA.x-l.m_sweep.localCenter.x,m=this.m_localAnchorA.y-l.m_sweep.localCenter.y;h=d.col1.x*f+d.col2.x…
454 ….x-a*s-o.x+q*m;h=n.y+a*r-o.y-q*f;var v=a-q,t=new A;this.m_mass.Solve33(t,-d,-h,-v);this.m_impulse.…
455 …m_sweep.c.y+a-l.m_sweep.c.y-q,f=j.m_sweep.a-l.m_sweep.a-this.m_referenceAngle,m=10*F.b2_linearSlop,
456 …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.m_mass.col3.x…
457 j.m_sweep.a+=g*(n*m.y-a*m.x+m.z);l.SynchronizeTransform();j.SynchronizeTransform();return r<=F.b2_l…