30 …c(){c.b2Settings.apply(this,arguments)}function g(){g.b2Mat22.apply(this,arguments);this.construct…  function
44 …;Box2D.Common.b2Color=a;Box2D.Common.b2Settings=c;Box2D.Common.Math.b2Mat22=g;Box2D.Common.Math.b2…
52 …ion.b2WorldManifold,a=Box2D.Collision.ClipVertex,c=Box2D.Collision.Features,g=Box2D.Collision.IBro…
89 …rototype.ComparePairs=function(){return 0};D.__implements={};D.__implements[g]=true;H.b2DynamicTre…
183 …g){if(g===undefined)g=0;var b=Math.atan2(c.GetDirectionVector().y,c.GetDirectionVector().x);g=F.Mu…  argument
184 …t(a.GetDirectionVector(),c.GetNormalVector())>0;a.SetNextEdge(c,g,e,f);c.SetPrevEdge(a,g,e,f);retu…
185 …g=new aa;g.shape=a;g.density=c;return this.CreateFixture(g)};k.prototype.DestroyFixture=function(a…
186 …g;if(this.m_world.IsLocked()!=true){this.m_xf.R.Set(c);this.m_xf.position.SetV(a);g=this.m_xf.R;va…
187 …sweep.a=c;b=this.m_world.m_contactManager.m_broadPhase;for(g=this.m_fixtureList;g;g=g.m_next)g.Syn…
191 …)}};k.prototype.Split=function(a){for(var c=this.GetLinearVelocity().Copy(),g=this.GetAngularVeloc…
192 …ldCenter();a=e.GetWorldCenter();f=F.AddVV(c,F.CrossFV(g,F.SubtractVV(f,b)));c=F.AddVV(c,F.CrossFV(…
193 …g);e.SetAngularVelocity(g);this.SynchronizeFixtures();e.SynchronizeFixtures();return e};k.prototyp…
196 …_next)if(c.m_density!=0){var g=c.GetMassData();this.m_mass+=g.mass;a.x+=g.center.x*g.mass;a.y+=g.c…
205 …is.m_sweep.a=a.angle;var g=this.m_xf.R,b=this.m_sweep.localCenter;this.m_sweep.c.x=g.col1.x*b.x+g.…
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 ….R,g=this.m_sweep.localCenter;a.position.x=this.m_sweep.c0.x-(c.col1.x*g.x+c.col2.x*g.y);a.positio…
208 c.m_next)c.Synchronize(g,a,this.m_xf)};k.prototype.SynchronizeTransform=function(){this.m_xf.R.Set(…
211 …r g=a.GetFilterData(),b=c.GetFilterData();if(g.groupIndex==b.groupIndex&&g.groupIndex!=0)return g.…
213 …g=a instanceof S?a:null,b=c instanceof S?c:null,e=g.GetBody(),f=b.GetBody();if(e!=f){for(var m=f.G…
214 e=g.m_body;f=b.m_body;m.m_prev=null;m.m_next=this.m_world.m_contactList;if(this.m_world.m_contactLi…
215 …r))};O.prototype.Destroy=function(a){var c=a.GetFixtureA(),g=a.GetFixtureB();c=c.GetBody();g=g.Get…
216 …g.m_contactList)g.m_contactList=a.m_nodeB.next;this.m_contactFactory.Destroy(a);--this.m_contactCo…
217 …ouldCollide(c,g)==false){c=a;a=c.GetNext();this.Destroy(c);continue}a.m_flags&=~l.e_filterFlag}if(…
221 …body.GetContactList();a;){var c=a.contact,g=c.GetFixtureA(),b=c.GetFixtureB();if(g==this||b==this)…
222 this.m_body.GetContactList();a;){var c=a.contact,g=c.GetFixtureA(),b=c.GetFixtureB();if(g==this||b=…
224 …ion(a,c,g){this.m_userData=g.userData;this.m_friction=g.friction;this.m_restitution=g.restitution;…  argument
225 …g.isSensor;this.m_shape=g.shape.Copy();this.m_density=g.density};S.prototype.Destroy=function(){th…  argument
226 this.m_aabb.Combine(b,e);c=F.SubtractVV(g.position,c.position);a.MoveProxy(this.m_proxy,this.m_aabb…
227 …g,b,e,f){if(a===undefined)a=0;if(c===undefined)c=0;if(g===undefined)g=0;var m=0;this.m_bodyCapacit…  argument
228 this.m_contactCount=this.m_bodyCount=0};Z.prototype.Solve=function(a,c,g){var b=0,e=0,f;for(b=0;b<t…  argument
231 …b2_contactBaumgarte);r=r&&f}if(m&&r)break}this.Report(c.m_constraints);if(g){g=Number.MAX_VALUE;c=…
232 …g=e.m_sleepTime=0;if((e.m_flags&k.e_allowSleepFlag)==0||e.m_angularVelocity*e.m_angularVelocity>m|…
233 …g=0;g<this.m_jointCount;++g)this.m_joints[g].SolveVelocityConstraints(a)}for(c=0;c<this.m_bodyCoun…
234 …g.m_linearVelocity.y*=A.b2_maxTranslation*a.inv_dt}e=a.dt*g.m_angularVelocity;if(e*e>A.b2_maxRotat…
235 …g){var m=this.m_joints[g].SolvePositionConstraints(A.b2_contactBaumgarte);f=f&&m}if(e&&f)break}thi…
238 …roadPhase;this.m_contactManager.m_broadPhase=a;for(var g=this.m_bodyList;g;g=g.m_next)for(var b=g.…
239 …a};h.prototype.DestroyBody=function(a){if(this.IsLocked()!=true){for(var c=a.m_jointList;c;){var g=
240 …g.joint);this.DestroyJoint(g.joint)}for(c=a.m_controllerList;c;){g=c;c=c.nextController;g.controll…
242 …g=a.bodyA,b=a.bodyB;if(a.collideConnected==false)for(a=b.GetContactList();a;){a.other==g&&a.contac…
243 …g.SetAwake(true);b.SetAwake(true);if(a.m_edgeA.prev)a.m_edgeA.prev.next=a.m_edgeA.next;if(a.m_edge…
244 b.GetContactList();a;){a.other==g&&a.contact.FlagForFiltering();a=a.next}};h.prototype.AddControlle…
246 ….m_groundBody};h.prototype.Step=function(a,c,g){if(a===undefined)a=0;if(c===undefined)c=0;if(g===u…  argument
247 …cked;var b=h.s_timestep2;b.dt=a;b.velocityIterations=c;b.positionIterations=g;b.inv_dt=a>0?1/a:0;b…
248 …g,b;new y;new y;new y;var e;new U;new U;e=[new y,new y,new y,new y];var f=new w(0,0,0);if(a&E.e_sh…
249 …ext()){b=c.GetFixtureA();g=c.GetFixtureB();b=b.GetAABB().GetCenter();g=g.GetAABB().GetCenter();thi…
250 …ist;c;c=c.GetNext())if(c.IsActive()!=false)for(g=c.GetFixtureList();g;g=g.GetNext()){var m=b.GetFa…
251 …g=this.m_contactManager.m_broadPhase;g.Query(function(b){return a(g.GetUserData(b))},c)};h.prototy…  argument
252 …g.Query(function(e){e=g.GetUserData(e)instanceof S?g.GetUserData(e):null;if(e.TestPoint(c))return …  argument
253 …g;this.RayCast(function(b,e,f,m){if(m===undefined)m=0;g=b;return m},a,c);return g};h.prototype.Ray…
254 …>0};h.prototype.Solve=function(a){for(var c,g=this.m_controllerList;g;g=g.m_next)g.Step(a);g=this.…
255 …g.Clear();var f=0;b[f++]=e;for(e.m_flags|=k.e_islandFlag;f>0;){c=b[--f];g.AddBody(c);c.IsAwake()==…
256 …g.AddJoint(c.joint);c.joint.m_islandFlag=true;if(!(m.m_flags&k.e_islandFlag)){b[f++]=m;m.m_flags|=…
257 ….m_contactManager.FindNewContacts()};h.prototype.SolveTOI=function(a){var c,g,b,e=this.m_island;e.…
258 …g=b.m_fixtureB;c=c.m_body;g=g.m_body;if((c.GetType()!=k.b2_dynamicBody||c.IsAwake()==false)&&(g.Ge…
259 …g.m_sweep.Advance(s)}c=b.ComputeTOI(c.m_sweep,g.m_sweep);A.b2Assert(0<=c&&c<=1);if(c>0&&c<1){c=(1-…
260 …g.m_sweep.Set(h.s_backupB);c.SynchronizeTransform();g.SynchronizeTransform()}else if(m.IsTouching(…
261 false||g.contact.IsTouching()==false)){e.AddContact(g.contact);g.contact.m_flags|=l.e_islandFlag;s=…
262 …f(c.GetType()==k.b2_dynamicBody){c.SynchronizeFixtures();for(g=c.m_contactList;g;g=g.next)g.contac…
263 …)}}};h.prototype.DrawJoint=function(a){var c=a.GetBodyA(),g=a.GetBodyB(),b=c.m_xf.position,e=g.m_x…
264 …g!=this.m_groundBody&&this.m_debugDraw.DrawSegment(e,m,r)}};h.prototype.DrawShape=function(a,c,g){…  argument
265 …lygon(f,a,g);break;case Y.e_edgeShape:b=a instanceof L?a:null;this.m_debugDraw.DrawSegment(F.MulX(…
275 …>0;for(c=0;c<this.m_manifold.m_pointCount;++c){var g=this.m_manifold.m_points[c];g.m_normalImpulse…
276 g.m_id,e=0;e<this.m_oldManifold.m_pointCount;++e){var f=this.m_oldManifold.m_points[e];if(f.m_id.ke…
283 …nts.length]=new U;for(j=0;j<q;++j){a=o[j];n=a.m_fixtureA;var c=a.m_fixtureB,g=n.m_shape.m_radius,b…
284 …g,f.m_xf,b);c=L.s_worldManifold.m_normal.x;a=L.s_worldManifold.m_normal.y;n=this.m_constraints[j];…
285 …g].x-e.m_sweep.c.x;s=b.rA.y=L.s_worldManifold.m_points[g].y-e.m_sweep.c.y;var P=b.rB.x=L.s_worldMa…
287 …intCount;++o){var q=this.m_constraints[o],n=q.bodyA,a=q.bodyB,c=n.m_invMass,g=n.m_invI,b=a.m_invMa…
288 …g*(x.rA.x*J-x.rA.y*C);n.m_linearVelocity.x-=c*C;n.m_linearVelocity.y-=c*J;a.m_angularVelocity+=e*(…
289 …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*o.…
290 …B.y*c);o.normalImpulse=n}else{o=a.points[0];j=a.points[1];q=o.normalImpulse;g=j.normalImpulse;var …
291 …g;for(c-=f.col1.y*q+f.col2.y*g;;){f=a.normalMass;$=-(f.col1.x*n+f.col2.x*c);f=-(f.col1.y*n+f.col2.…
292 …g*b;e=g*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…
293 $-q;g=f-g;a=q*b;q=q*e;b=g*b;e=g*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…
294 …this.m_constraintCount;q++){var n=this.m_constraints[q],a=n.bodyA,c=n.bodyB,g=a.m_mass*a.m_invMass…
295 …Correction,0);t=-s.equalizedMass*t;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…
302 …ype.Initialize=function(j){O.b2Assert(j.pointCount>0);var o=0,q=0,n=0,a,c=0,g=0;switch(j.type){cas…
303 …g=a-q;var b=n*n+g*g;if(b>Number.MIN_VALUE*Number.MIN_VALUE){b=Math.sqrt(b);this.m_normal.x=n/b;thi…
304 …g=j.bodyA.m_xf.position.y+(a.col1.y*n.x+a.col2.y*n.y);a=j.bodyB.m_xf.R;for(o=0;o<j.pointCount;++o)…
305 …m_xf.R;n=j.localPoint;c=j.bodyB.m_xf.position.x+(a.col1.x*n.x+a.col2.x*n.y);g=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}};…
324 …p?this.m_u.Multiply(1/l):this.m_u.SetZero();h=q*this.m_u.y-n*this.m_u.x;var g=a*this.m_u.y-c*this.…
325 …g*g;this.m_mass=h!=0?1/h:0;if(this.m_frequencyHz>0){l=l-this.m_length;g=2*Math.PI*this.m_frequency…
329 …maxLinearCorrection,F.b2_maxLinearCorrection);var g=-this.m_mass*d;this.m_u.Set(q,c);q=g*this.m_u.…
335 …g=j.m_invI,b=o.m_invI,e=new G;e.col1.x=h+l;e.col2.x=0;e.col1.y=0;e.col2.y=h+l;e.col1.x+=g*n*n;e.co…
336 …g*(q*d.y-n*d.x+this.m_angularImpulse);o.m_linearVelocity.x+=l*d.x;o.m_linearVelocity.y+=l*d.y;o.m_…
338 …linearImpulse.Multiply(h)}h=y.SubtractVV(this.m_linearImpulse,l);q.x-=g*h.x;q.y-=g*h.y;n-=e*(m*h.y…
345 …g=a=0,b=0;this.m_J.SetZero();if(this.m_revolute1){this.m_J.angularA=-1;b+=j.m_invI}else{h=h.m_xf.R…
346 ….x;c=this.m_localAnchor2.y-o.m_sweep.localCenter.y;g=h.col1.x*a+h.col2.x*c;c=h.col1.y*a+h.col2.y*c…
360 g=d.m_linearVelocity,b=h.m_linearVelocity;d=d.m_angularVelocity;h=h.m_angularVelocity;return l*-d*c…
364 …x,g=this.m_localAnchor2.y-this.m_localCenterB.y;o=j.col1.x*c+j.col2.x*g;g=j.col1.y*c+j.col2.y*g;c=…
365 …this.m_a1=(j+n)*this.m_axis.y-(o+a)*this.m_axis.x;this.m_a2=c*this.m_axis.y-g*this.m_axis.x;this.m…
366 g*this.m_perp.x;q=this.m_invMassA;n=this.m_invMassB;a=this.m_invIA;c=this.m_invIB;this.m_K.col1.x=q…
369 …ty,o=h.m_angularVelocity,q=l.m_linearVelocity,n=l.m_angularVelocity,a=0,c=0,g=0,b=0;if(this.m_enab…
370 …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+=t…
371 …g=0;g=this.m_K.col1.x!=0?c/this.m_K.col1.x+a.x:a.x;this.m_impulse.x=g;d.x=this.m_impulse.x-a.x;d.y…
372 …g=d*this.m_s1;b=d*this.m_s2}j.x-=this.m_invMassA*a;j.y-=this.m_invMassA*c;o-=this.m_invIA*g;q.x+=t…
373 …g=G.FromAngle(q);n=r;f=this.m_localAnchor1.x-this.m_localCenterA.x;var s=this.m_localAnchor1.y-thi…
375 …g*this.m_perp.y-b*this.m_perp.x;r=new w;s=this.m_perp.x*n+this.m_perp.y*a;e=y.Max(e,y.Abs(s));f=0;…
376 -s,-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*thi…
389 …,g=d.m_linearVelocity,b=h.m_linearVelocity;d=d.m_angularVelocity;h=h.m_angularVelocity;return l*-d…
394 …g=this.m_localAnchor2.y-this.m_localCenterB.y;o=j.col1.x*c+j.col2.x*g;g=j.col1.y*c+j.col2.y*g;c=o;…
395 …this.m_s1=(j+n)*this.m_perp.y-(o+a)*this.m_perp.x;this.m_s2=c*this.m_perp.y-g*this.m_perp.x;q=this…
399 …ty,o=h.m_angularVelocity,q=l.m_linearVelocity,n=l.m_angularVelocity,a=0,c=0,g=0,b=0;if(this.m_enab…
400 …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+=t…
401 …g=-g-(this.m_impulse.z-a.z)*this.m_K.col3.x;c=-c-(this.m_impulse.z-a.z)*this.m_K.col3.y;c=this.m_K…
402 …g,-c);this.m_impulse.x+=d.x;this.m_impulse.y+=d.y;a=d.x*this.m_perp.x;c=d.x*this.m_perp.y;g=d.x*th…
403 …g=0,b=a=n=0,e=0;c=false;var f=0,m=G.FromAngle(j),r=G.FromAngle(q);n=m;e=this.m_localAnchor1.x-this…
404 …this.m_a1=(n+e)*this.m_axis.y-(a+s)*this.m_axis.x;this.m_a2=r*this.m_axis.y-g*this.m_axis.x;var v=…
405 …g*this.m_perp.x;m=new A;s=this.m_perp.x*n+this.m_perp.y*a;r=q-j-this.m_refAngle;b=y.Max(b,y.Abs(s)…
406 …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=this.m_invMassA;…
414 …ol2.x*c;c=j.col1.y*a+j.col2.y*c;a=n;j=l.m_sweep.c.x+a;n=l.m_sweep.c.y+c;var g=this.m_ground.m_xf.p…
415 …y+q-(this.m_ground.m_xf.position.y+this.m_groundAnchor1.y));this.m_u2.Set(j-g,n-b);j=this.m_u1.Len…
417 …is.m_u1.y;n=(-this.m_ratio*this.m_impulse-this.m_limitImpulse2)*this.m_u2.x;g=(-this.m_ratio*this.…
418 l.m_invMass*n;l.m_linearVelocity.y+=l.m_invMass*g;l.m_angularVelocity+=l.m_invI*(a*g-c*n)}else this…
419 …g=0;l=g=l=g=c=q=l=0;if(this.m_state==I.e_atUpperLimit){l=d.m_linearVelocity.x+-d.m_angularVelocity…
420 …g*this.m_u2.x;g=-this.m_ratio*g*this.m_u2.y;d.m_linearVelocity.x+=d.m_invMass*l;d.m_linearVelocity…
421 …g);g=this.m_limitImpulse1-l;l=-g*this.m_u1.x;q=-g*this.m_u1.y;d.m_linearVelocity.x+=d.m_invMass*l;…
422 g=-g*this.m_u2.y;h.m_linearVelocity.x+=h.m_invMass*c;h.m_linearVelocity.y+=h.m_invMass*g;h.m_angula…
423 …g=this.m_localAnchor2.x-h.m_sweep.localCenter.x;b=this.m_localAnchor2.y-h.m_sweep.localCenter.y;e=…
424 …weep.c.x+=h.m_invMass*f;h.m_sweep.c.y+=h.m_invMass*m;h.m_sweep.a+=h.m_invI*(g*m-b*f);d.Synchronize…
426 …g=this.m_localAnchor2.x-h.m_sweep.localCenter.x;b=this.m_localAnchor2.y-h.m_sweep.localCenter.y;e=…
427 …weep.c.x+=h.m_invMass*f;h.m_sweep.c.y+=h.m_invMass*m;h.m_sweep.a+=h.m_invI*(g*m-b*f);h.Synchronize…
435 …g=h.m_invI,b=l.m_invI;this.m_mass.col1.x=j+o+n*n*g+c*c*b;this.m_mass.col2.x=-n*q*g-c*a*b;this.m_ma…
436 this.m_mass.col3.z=g+b;this.m_motorMass=1/(g+b);if(this.m_enableMotor==false)this.m_motorImpulse=0;…
437 ….y;h.m_linearVelocity.x-=j*d;h.m_linearVelocity.y-=j*e;h.m_angularVelocity-=g*(q*e-n*d+this.m_moto…
438 …g=h.m_angularVelocity,b=l.m_linearVelocity,e=l.m_angularVelocity,f=h.m_invMass,m=l.m_invMass,r=h.m…
439 …col1.y*n+d.col2.y*a;n=j;d=b.x+-e*a-c.x- -g*q;var v=b.y+e*n-c.y-g*o;this.m_mass.Solve33(this.impuls…
441 …reduced.y;this.m_impulse.z=0}}c.x-=f*this.impulse3.x;c.y-=f*this.impulse3.y;g-=r*(o*this.impulse3.…
442 …c.x- -g*q),-(b.y+e*n-c.y-g*o));this.m_impulse.x+=this.impulse2.x;this.m_impulse.y+=this.impulse2.y…
443 a*this.impulse2.x)}h.m_linearVelocity.SetV(c);h.m_angularVelocity=g;l.m_linearVelocity.SetV(b);l.m_…
445 …g=this.m_localAnchor2.x-j.m_sweep.localCenter.x,b=this.m_localAnchor2.y-j.m_sweep.localCenter.y;q=…
446 g-l.m_sweep.c.x-c;a=j.m_sweep.c.y+b-l.m_sweep.c.y-d}this.K1.col1.x=q+f;this.K1.col2.x=0;this.K1.col…
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.…
451 …s;l=o.m_invMass;var g=j.m_invI,b=o.m_invI;this.m_mass.col1.x=h+l+n*n*g+c*c*b;this.m_mass.col2.x=-n…
452 …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.col2.z=this.m…
453 ….m_angularVelocity,n=j.m_linearVelocity,a=j.m_angularVelocity,c=l.m_invMass,g=j.m_invMass,b=l.m_in…
454 …is.m_impulse.Add(t);o.x-=c*t.x;o.y-=c*t.y;q-=b*(f*t.y-m*t.x+t.z);n.x+=g*t.x;n.y+=g*t.y;a+=e*(r*t.y…
455 ….x*a;a=d.col1.y*n+d.col2.y*a;n=h;d=l.m_invMass;h=j.m_invMass;var c=l.m_invI,g=j.m_invI,b=j.m_sweep…
456 …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=-q*c-a*…
457 j.m_sweep.a+=g*(n*m.y-a*m.x+m.z);l.SynchronizeTransform();j.SynchronizeTransform();return r<=F.b2_l…