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C=r._findSupports(o,e,d,-1);i.contains(o.vertices,C[0])&&(m[S++]=C[0]),S<2&&i.contains(o.vertices,C[1])&&(m[S++]=C[1])}return S===0&&(m[S++]=x[0]),l.supportCount=S,l},r._overlapAxes=function(e,t,n,r){var i=t.length,a=n.length,o=t[0].x,s=t[0].y,c=n[0].x,l=n[0].y,u=r.length,d=Number.MAX_VALUE,f=0,p,m,h,g,_,v;for(_=0;_<u;_++){var y=r[_],b=y.x,x=y.y,S=o*b+s*x,C=c*b+l*x,w=S,T=C;for(v=1;v<i;v+=1)g=t[v].x*b+t[v].y*x,g>w?w=g:g<S&&(S=g);for(v=1;v<a;v+=1)g=n[v].x*b+n[v].y*x,g>T?T=g:g<C&&(C=g);if(m=w-C,h=T-S,p=m<h?m:h,p<d&&(d=p,f=_,p<=0))break}e.axis=r[f],e.overlap=d},r._findSupports=function(t,n,r,i){var a=n.vertices,o=a.length,s=t.position.x,c=t.position.y,l=r.x*i,u=r.y*i,d=a[0],f=d,p=l*(s-f.x)+u*(c-f.y),m,h,g;for(g=1;g<o;g+=1)f=a[g],h=l*(s-f.x)+u*(c-f.y),h<p&&(p=h,d=f);return m=a[(o+d.index-1)%o],p=l*(s-m.x)+u*(c-m.y),f=a[(d.index+1)%o],l*(s-f.x)+u*(c-f.y)<p?(e[0]=d,e[1]=f,e):(e[0]=d,e[1]=m,e)}})()}),(function(e,t,n){var r={};e.exports=r;var i=n(16);(function(){r.create=function(e,t){var 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t.length===0&&t.stiffness>.1?(o.type=`pin`,o.anchors=!1):t.stiffness<.9&&(o.type=`spring`),t.render=l.extend(o,t.render),t},r.preSolveAll=function(e){for(var t=0;t<e.length;t+=1){var n=e[t],r=n.constraintImpulse;n.isStatic||r.x===0&&r.y===0&&r.angle===0||(n.position.x+=r.x,n.position.y+=r.y,n.angle+=r.angle)}},r.solveAll=function(e,t){for(var n=l.clamp(t/l._baseDelta,0,1),i=0;i<e.length;i+=1){var a=e[i],o=!a.bodyA||a.bodyA&&a.bodyA.isStatic,s=!a.bodyB||a.bodyB&&a.bodyB.isStatic;(o||s)&&r.solve(e[i],n)}for(i=0;i<e.length;i+=1)a=e[i],o=!a.bodyA||a.bodyA&&a.bodyA.isStatic,s=!a.bodyB||a.bodyB&&a.bodyB.isStatic,!o&&!s&&r.solve(e[i],n)},r.solve=function(e,t){var n=e.bodyA,i=e.bodyB,o=e.pointA,s=e.pointB;if(!(!n&&!i)){n&&!n.isStatic&&(a.rotate(o,n.angle-e.angleA,o),e.angleA=n.angle),i&&!i.isStatic&&(a.rotate(s,i.angle-e.angleB,s),e.angleB=i.angle);var c=o,l=s;if(n&&(c=a.add(n.position,o)),i&&(l=a.add(i.position,s)),!(!c||!l)){var u=a.sub(c,l),d=a.magnitude(u);d<r._minLength&&(d=r._minLength);var f=(d-e.length)/d,p=e.stiffness>=1||e.length===0?e.stiffness*t:e.stiffness*t*t,m=e.damping*t,h=a.mult(u,f*p),g=(n?n.inverseMass:0)+(i?i.inverseMass:0),_=g+((n?n.inverseInertia:0)+(i?i.inverseInertia:0)),v,y,b,x,S;if(m>0){var C=a.create();b=a.div(u,d),S=a.sub(i&&a.sub(i.position,i.positionPrev)||C,n&&a.sub(n.position,n.positionPrev)||C),x=a.dot(b,S)}n&&!n.isStatic&&(y=n.inverseMass/g,n.constraintImpulse.x-=h.x*y,n.constraintImpulse.y-=h.y*y,n.position.x-=h.x*y,n.position.y-=h.y*y,m>0&&(n.positionPrev.x-=m*b.x*x*y,n.positionPrev.y-=m*b.y*x*y),v=a.cross(o,h)/_*r._torqueDampen*n.inverseInertia*(1-e.angularStiffness),n.constraintImpulse.angle-=v,n.angle-=v),i&&!i.isStatic&&(y=i.inverseMass/g,i.constraintImpulse.x+=h.x*y,i.constraintImpulse.y+=h.y*y,i.position.x+=h.x*y,i.position.y+=h.y*y,m>0&&(i.positionPrev.x+=m*b.x*x*y,i.positionPrev.y+=m*b.y*x*y),v=a.cross(s,h)/_*r._torqueDampen*i.inverseInertia*(1-e.angularStiffness),i.constraintImpulse.angle+=v,i.angle+=v)}}},r.postSolveAll=function(e){for(var t=0;t<e.length;t++){var n=e[t],l=n.constraintImpulse;if(!(n.isStatic||l.x===0&&l.y===0&&l.angle===0)){o.set(n,!1);for(var u=0;u<n.parts.length;u++){var d=n.parts[u];i.translate(d.vertices,l),u>0&&(d.position.x+=l.x,d.position.y+=l.y),l.angle!==0&&(i.rotate(d.vertices,l.angle,n.position),c.rotate(d.axes,l.angle),u>0&&a.rotateAbout(d.position,l.angle,n.position,d.position)),s.update(d.bounds,d.vertices,n.velocity)}l.angle*=r._warming,l.x*=r._warming,l.y*=r._warming}}},r.pointAWorld=function(e){return{x:(e.bodyA?e.bodyA.position.x:0)+(e.pointA?e.pointA.x:0),y:(e.bodyA?e.bodyA.position.y:0)+(e.pointA?e.pointA.y:0)}},r.pointBWorld=function(e){return{x:(e.bodyB?e.bodyB.position.x:0)+(e.pointB?e.pointB.x:0),y:(e.bodyB?e.bodyB.position.y:0)+(e.pointB?e.pointB.y:0)}},r.currentLength=function(e){var t=(e.bodyA?e.bodyA.position.x:0)+(e.pointA?e.pointA.x:0),n=(e.bodyA?e.bodyA.position.y:0)+(e.pointA?e.pointA.y:0),r=(e.bodyB?e.bodyB.position.x:0)+(e.pointB?e.pointB.x:0),i=(e.bodyB?e.bodyB.position.y:0)+(e.pointB?e.pointB.y:0),a=t-r,o=n-i;return Math.sqrt(a*a+o*o)}})()}),(function(e,t,n){var r={};e.exports=r;var 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n=r._getRelativeMousePosition(e,t.element,t.pixelRatio);e.changedTouches?(t.button=0,e.preventDefault()):t.button=e.button,t.absolute.x=n.x,t.absolute.y=n.y,t.position.x=t.absolute.x*t.scale.x+t.offset.x,t.position.y=t.absolute.y*t.scale.y+t.offset.y,t.mousedownPosition.x=t.position.x,t.mousedownPosition.y=t.position.y,t.sourceEvents.mousedown=e},t.mouseup=function(e){var n=r._getRelativeMousePosition(e,t.element,t.pixelRatio);e.changedTouches&&e.preventDefault(),t.button=-1,t.absolute.x=n.x,t.absolute.y=n.y,t.position.x=t.absolute.x*t.scale.x+t.offset.x,t.position.y=t.absolute.y*t.scale.y+t.offset.y,t.mouseupPosition.x=t.position.x,t.mouseupPosition.y=t.position.y,t.sourceEvents.mouseup=e},t.mousewheel=function(e){t.wheelDelta=Math.max(-1,Math.min(1,e.wheelDelta||-e.detail)),e.preventDefault(),t.sourceEvents.mousewheel=e},r.setElement(t,t.element),t},r.setElement=function(e,t){e.element=t,t.addEventListener(`mousemove`,e.mousemove,{passive:!0}),t.addEventListener(`mousedown`,e.mousedown,{passive:!0}),t.addEventListener(`mouseup`,e.mouseup,{passive:!0}),t.addEventListener(`wheel`,e.mousewheel,{passive:!1}),t.addEventListener(`touchmove`,e.mousemove,{passive:!1}),t.addEventListener(`touchstart`,e.mousedown,{passive:!1}),t.addEventListener(`touchend`,e.mouseup,{passive:!1})},r.clearSourceEvents=function(e){e.sourceEvents.mousemove=null,e.sourceEvents.mousedown=null,e.sourceEvents.mouseup=null,e.sourceEvents.mousewheel=null,e.wheelDelta=0},r.setOffset=function(e,t){e.offset.x=t.x,e.offset.y=t.y,e.position.x=e.absolute.x*e.scale.x+e.offset.x,e.position.y=e.absolute.y*e.scale.y+e.offset.y},r.setScale=function(e,t){e.scale.x=t.x,e.scale.y=t.y,e.position.x=e.absolute.x*e.scale.x+e.offset.x,e.position.y=e.absolute.y*e.scale.y+e.offset.y},r._getRelativeMousePosition=function(e,t,n){var r=t.getBoundingClientRect(),i=document.documentElement||document.body.parentNode||document.body,a=window.pageXOffset===void 0?i.scrollLeft:window.pageXOffset,o=window.pageYOffset===void 0?i.scrollTop:window.pageYOffset,s=e.changedTouches,c,l;return s?(c=s[0].pageX-r.left-a,l=s[0].pageY-r.top-o):(c=e.pageX-r.left-a,l=e.pageY-r.top-o),{x:c/(t.clientWidth/(t.width||t.clientWidth)*n),y:l/(t.clientHeight/(t.height||t.clientHeight)*n)}}})()}),(function(e,t,n){var r={};e.exports=r;var i=n(0);(function(){r._registry={},r.register=function(e){if(r.isPlugin(e)||i.warn(`Plugin.register:`,r.toString(e),`does not implement all required fields.`),e.name in r._registry){var t=r._registry[e.name],n=r.versionParse(e.version).number,a=r.versionParse(t.version).number;n>a?(i.warn(`Plugin.register:`,r.toString(t),`was upgraded to`,r.toString(e)),r._registry[e.name]=e):n<a?i.warn(`Plugin.register:`,r.toString(t),`can not be downgraded to`,r.toString(e)):e!==t&&i.warn(`Plugin.register:`,r.toString(e),`is 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i.isString(e)?(/^[\w-]+(@(\*|[\^~]?\d+\.\d+\.\d+(-[0-9A-Za-z-+]+)?))?$/.test(e)||i.warn(`Plugin.dependencyParse:`,e,`is not a valid dependency string.`),{name:e.split(`@`)[0],range:e.split(`@`)[1]||`*`}):{name:e.name,range:e.range||e.version}},r.versionParse=function(e){var t=/^(\*)|(\^|~|>=|>)?\s*((\d+)\.(\d+)\.(\d+))(-[0-9A-Za-z-+]+)?$/;t.test(e)||i.warn(`Plugin.versionParse:`,e,`is not a valid version or range.`);var n=t.exec(e),r=Number(n[4]),a=Number(n[5]),o=Number(n[6]);return{isRange:!!(n[1]||n[2]),version:n[3],range:e,operator:n[1]||n[2]||``,major:r,minor:a,patch:o,parts:[r,a,o],prerelease:n[7],number:r*1e8+a*1e4+o}},r.versionSatisfies=function(e,t){t||=`*`;var n=r.versionParse(t),i=r.versionParse(e);if(n.isRange){if(n.operator===`*`||e===`*`)return!0;if(n.operator===`>`)return i.number>n.number;if(n.operator===`>=`)return i.number>=n.number;if(n.operator===`~`)return i.major===n.major&&i.minor===n.minor&&i.patch>=n.patch;if(n.operator===`^`)return 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n=d.now(),f=e.world,p=e.detector,m=e.pairs,h=e.timing,g=h.timestamp,_;t>r._deltaMax&&d.warnOnce(`Matter.Engine.update: delta argument is recommended to be less than or equal to`,r._deltaMax.toFixed(3),`ms.`),t=t===void 0?d._baseDelta:t,t*=h.timeScale,h.timestamp+=t,h.lastDelta=t;var v={timestamp:h.timestamp,delta:t};c.trigger(e,`beforeUpdate`,v);var y=l.allBodies(f),b=l.allConstraints(f);for(f.isModified&&(o.setBodies(p,y),l.setModified(f,!1,!1,!0)),e.enableSleeping&&i.update(y,t),r._bodiesApplyGravity(y,e.gravity),t>0&&r._bodiesUpdate(y,t),c.trigger(e,`beforeSolve`,v),u.preSolveAll(y),_=0;_<e.constraintIterations;_++)u.solveAll(b,t);u.postSolveAll(y);var x=o.collisions(p);s.update(m,x,g),e.enableSleeping&&i.afterCollisions(m.list),m.collisionStart.length>0&&c.trigger(e,`collisionStart`,{pairs:m.collisionStart,timestamp:h.timestamp,delta:t});var S=d.clamp(20/e.positionIterations,0,1);for(a.preSolvePosition(m.list),_=0;_<e.positionIterations;_++)a.solvePosition(m.list,t,S);for(a.postSolvePosition(y),u.preSolveAll(y),_=0;_<e.constraintIterations;_++)u.solveAll(b,t);for(u.postSolveAll(y),a.preSolveVelocity(m.list),_=0;_<e.velocityIterations;_++)a.solveVelocity(m.list,t);return r._bodiesUpdateVelocities(y),m.collisionActive.length>0&&c.trigger(e,`collisionActive`,{pairs:m.collisionActive,timestamp:h.timestamp,delta:t}),m.collisionEnd.length>0&&c.trigger(e,`collisionEnd`,{pairs:m.collisionEnd,timestamp:h.timestamp,delta:t}),r._bodiesClearForces(y),c.trigger(e,`afterUpdate`,v),e.timing.lastElapsed=d.now()-n,e},r.merge=function(e,t){if(d.extend(e,t),t.world){e.world=t.world,r.clear(e);for(var n=l.allBodies(e.world),a=0;a<n.length;a++){var o=n[a];i.set(o,!1),o.id=d.nextId()}}},r.clear=function(e){s.clear(e.pairs),o.clear(e.detector)},r._bodiesClearForces=function(e){for(var t=e.length,n=0;n<t;n++){var r=e[n];r.force.x=0,r.force.y=0,r.torque=0}},r._bodiesApplyGravity=function(e,t){var n=t.scale===void 0?.001:t.scale,r=e.length;if(!(t.x===0&&t.y===0||n===0))for(var i=0;i<r;i++){var a=e[i];a.isStatic||a.isSleeping||(a.force.y+=a.mass*t.y*n,a.force.x+=a.mass*t.x*n)}},r._bodiesUpdate=function(e,t){for(var n=e.length,r=0;r<n;r++){var i=e[r];i.isStatic||i.isSleeping||f.update(i,t)}},r._bodiesUpdateVelocities=function(e){for(var t=e.length,n=0;n<t;n++)f.updateVelocities(e[n])}})()}),(function(e,t,n){var r={};e.exports=r;var i=n(3),a=n(0),o=n(1);(function(){r._restingThresh=2,r._restingThreshTangent=Math.sqrt(6),r._positionDampen=.9,r._positionWarming=.8,r._frictionNormalMultiplier=5,r._frictionMaxStatic=Number.MAX_VALUE,r.preSolvePosition=function(e){var t,n,r,i=e.length;for(t=0;t<i;t++)n=e[t],n.isActive&&(r=n.contactCount,n.collision.parentA.totalContacts+=r,n.collision.parentB.totalContacts+=r)},r.solvePosition=function(e,t,n){var i,o,s,c,l,u,d,f,p=r._positionDampen*(n||1),m=a.clamp(t/a._baseDelta,0,1),h=e.length;for(i=0;i<h;i++)o=e[i],!(!o.isActive||o.isSensor)&&(s=o.collision,c=s.parentA,l=s.parentB,u=s.normal,o.separation=s.depth+u.x*(l.positionImpulse.x-c.positionImpulse.x)+u.y*(l.positionImpulse.y-c.positionImpulse.y));for(i=0;i<h;i++)o=e[i],!(!o.isActive||o.isSensor)&&(s=o.collision,c=s.parentA,l=s.parentB,u=s.normal,f=o.separation-o.slop*m,(c.isStatic||l.isStatic)&&(f*=2),c.isStatic||c.isSleeping||(d=p/c.totalContacts,c.positionImpulse.x+=u.x*f*d,c.positionImpulse.y+=u.y*f*d),l.isStatic||l.isSleeping||(d=p/l.totalContacts,l.positionImpulse.x-=u.x*f*d,l.positionImpulse.y-=u.y*f*d))},r.postSolvePosition=function(e){for(var t=r._positionWarming,n=e.length,a=i.translate,s=o.update,c=0;c<n;c++){var l=e[c],u=l.positionImpulse,d=u.x,f=u.y,p=l.velocity;if(l.totalContacts=0,d!==0||f!==0){for(var m=0;m<l.parts.length;m++){var h=l.parts[m];a(h.vertices,u),s(h.bounds,h.vertices,p),h.position.x+=d,h.position.y+=f}l.positionPrev.x+=d,l.positionPrev.y+=f,d*p.x+f*p.y<0?(u.x=0,u.y=0):(u.x*=t,u.y*=t)}}},r.preSolveVelocity=function(e){var t=e.length,n,r;for(n=0;n<t;n++){var i=e[n];if(!(!i.isActive||i.isSensor)){var a=i.contacts,o=i.contactCount,s=i.collision,c=s.parentA,l=s.parentB,u=s.normal,d=s.tangent;for(r=0;r<o;r++){var f=a[r],p=f.vertex,m=f.normalImpulse,h=f.tangentImpulse;if(m!==0||h!==0){var g=u.x*m+d.x*h,_=u.y*m+d.y*h;c.isStatic||c.isSleeping||(c.positionPrev.x+=g*c.inverseMass,c.positionPrev.y+=_*c.inverseMass,c.anglePrev+=c.inverseInertia*((p.x-c.position.x)*_-(p.y-c.position.y)*g)),l.isStatic||l.isSleeping||(l.positionPrev.x-=g*l.inverseMass,l.positionPrev.y-=_*l.inverseMass,l.anglePrev-=l.inverseInertia*((p.x-l.position.x)*_-(p.y-l.position.y)*g))}}}}},r.solveVelocity=function(e,t){var n=t/a._baseDelta,i=n*n*n,o=-r._restingThresh*n,s=r._restingThreshTangent,c=r._frictionNormalMultiplier*n,l=r._frictionMaxStatic,u=e.length,d,f,p,m;for(p=0;p<u;p++){var h=e[p];if(!(!h.isActive||h.isSensor)){var g=h.collision,_=g.parentA,v=g.parentB,y=g.normal.x,b=g.normal.y,x=g.tangent.x,S=g.tangent.y,C=h.inverseMass,w=h.friction*h.frictionStatic*c,T=h.contacts,E=h.contactCount,D=1/E,O=_.position.x-_.positionPrev.x,k=_.position.y-_.positionPrev.y,A=_.angle-_.anglePrev,ee=v.position.x-v.positionPrev.x,te=v.position.y-v.positionPrev.y,j=v.angle-v.anglePrev;for(m=0;m<E;m++){var M=T[m],N=M.vertex,ne=N.x-_.position.x,re=N.y-_.position.y,ie=N.x-v.position.x,ae=N.y-v.position.y,P=O-re*A,oe=k+ne*A,F=ee-ae*j,se=te+ie*j,ce=P-F,I=oe-se,le=y*ce+b*I,L=x*ce+S*I,ue=h.separation+le,de=Math.min(ue,1);de=ue<0?0:de;var fe=de*w;L<-fe||L>fe?(f=L>0?L:-L,d=h.friction*(L>0?1:-1)*i,d<-f?d=-f:d>f&&(d=f)):(d=L,f=l);var pe=ne*b-re*y,me=ie*b-ae*y,he=D/(C+_.inverseInertia*pe*pe+v.inverseInertia*me*me),ge=(1+h.restitution)*le*he;if(d*=he,le<o)M.normalImpulse=0;else{var _e=M.normalImpulse;M.normalImpulse+=ge,M.normalImpulse>0&&(M.normalImpulse=0),ge=M.normalImpulse-_e}if(L<-s||L>s)M.tangentImpulse=0;else{var ve=M.tangentImpulse;M.tangentImpulse+=d,M.tangentImpulse<-f&&(M.tangentImpulse=-f),M.tangentImpulse>f&&(M.tangentImpulse=f),d=M.tangentImpulse-ve}var ye=y*ge+x*d,be=b*ge+S*d;_.isStatic||_.isSleeping||(_.positionPrev.x+=ye*_.inverseMass,_.positionPrev.y+=be*_.inverseMass,_.anglePrev+=(ne*be-re*ye)*_.inverseInertia),v.isStatic||v.isSleeping||(v.positionPrev.x-=ye*v.inverseMass,v.positionPrev.y-=be*v.inverseMass,v.anglePrev-=(ie*be-ae*ye)*v.inverseInertia)}}}}})()}),(function(e,t,n){var r={};e.exports=r;var i=n(9),a=n(0);(function(){r.create=function(e){return a.extend({table:{},list:[],collisionStart:[],collisionActive:[],collisionEnd:[]},e)},r.update=function(e,t,n){var r=i.update,a=i.create,o=i.setActive,s=e.table,c=e.list,l=c.length,u=l,d=e.collisionStart,f=e.collisionEnd,p=e.collisionActive,m=t.length,h=0,g=0,_=0,v,y,b;for(b=0;b<m;b++)v=t[b],y=v.pair,y?(y.isActive&&(p[_++]=y),r(y,v,n)):(y=a(v,n),s[y.id]=y,d[h++]=y,c[u++]=y);for(u=0,l=c.length,b=0;b<l;b++)y=c[b],y.timeUpdated>=n?c[u++]=y:(o(y,!1,n),y.collision.bodyA.sleepCounter>0&&y.collision.bodyB.sleepCounter>0?c[u++]=y:(f[g++]=y,delete s[y.id]));c.length!==u&&(c.length=u),d.length!==h&&(d.length=h),f.length!==g&&(f.length=g),p.length!==_&&(p.length=_)},r.clear=function(e){return e.table={},e.list.length=0,e.collisionStart.length=0,e.collisionActive.length=0,e.collisionEnd.length=0,e}})()}),(function(e,t,n){var r=e.exports=n(21);r.Axes=n(11),r.Bodies=n(12),r.Body=n(4),r.Bounds=n(1),r.Collision=n(8),r.Common=n(0),r.Composite=n(6),r.Composites=n(22),r.Constraint=n(10),r.Contact=n(16),r.Detector=n(13),r.Engine=n(17),r.Events=n(5),r.Grid=n(23),r.Mouse=n(14),r.MouseConstraint=n(24),r.Pair=n(9),r.Pairs=n(19),r.Plugin=n(15),r.Query=n(25),r.Render=n(26),r.Resolver=n(18),r.Runner=n(27),r.SAT=n(28),r.Sleeping=n(7),r.Svg=n(29),r.Vector=n(2),r.Vertices=n(3),r.World=n(30),r.Engine.run=r.Runner.run,r.Common.deprecated(r.Engine,`run`,`Engine.run ➤ use Matter.Runner.run(engine) instead`)}),(function(e,t,n){var r={};e.exports=r;var i=n(15),a=n(0);(function(){r.name=`matter-js`,r.version=`0.20.0`,r.uses=[],r.used=[],r.use=function(){i.use(r,Array.prototype.slice.call(arguments))},r.before=function(e,t){return e=e.replace(/^Matter./,``),a.chainPathBefore(r,e,t)},r.after=function(e,t){return e=e.replace(/^Matter./,``),a.chainPathAfter(r,e,t)}})()}),(function(e,t,n){var r={};e.exports=r;var i=n(6),a=n(10),o=n(0),s=n(4),c=n(12),l=o.deprecated;(function(){r.stack=function(e,t,n,r,a,o,c){for(var l=i.create({label:`Stack`}),u=e,d=t,f,p=0,m=0;m<r;m++){for(var h=0,g=0;g<n;g++){var _=c(u,d,g,m,f,p);if(_){var v=_.bounds.max.y-_.bounds.min.y,y=_.bounds.max.x-_.bounds.min.x;v>h&&(h=v),s.translate(_,{x:y*.5,y:v*.5}),u=_.bounds.max.x+a,i.addBody(l,_),f=_,p+=1}else u+=a}d+=h+o,u=e}return l},r.chain=function(e,t,n,r,s,c){for(var l=e.bodies,u=1;u<l.length;u++){var d=l[u-1],f=l[u],p=d.bounds.max.y-d.bounds.min.y,m=d.bounds.max.x-d.bounds.min.x,h=f.bounds.max.y-f.bounds.min.y,g=f.bounds.max.x-f.bounds.min.x,_={bodyA:d,pointA:{x:m*t,y:p*n},bodyB:f,pointB:{x:g*r,y:h*s}},v=o.extend(_,c);i.addConstraint(e,a.create(v))}return e.label+=` Chain`,e},r.mesh=function(e,t,n,r,s){var c=e.bodies,l,u,d,f,p;for(l=0;l<n;l++){for(u=1;u<t;u++)d=c[u-1+l*t],f=c[u+l*t],i.addConstraint(e,a.create(o.extend({bodyA:d,bodyB:f},s)));if(l>0)for(u=0;u<t;u++)d=c[u+(l-1)*t],f=c[u+l*t],i.addConstraint(e,a.create(o.extend({bodyA:d,bodyB:f},s))),r&&u>0&&(p=c[u-1+(l-1)*t],i.addConstraint(e,a.create(o.extend({bodyA:p,bodyB:f},s)))),r&&u<t-1&&(p=c[u+1+(l-1)*t],i.addConstraint(e,a.create(o.extend({bodyA:p,bodyB:f},s))))}return e.label+=` Mesh`,e},r.pyramid=function(e,t,n,i,a,o,c){return r.stack(e,t,n,i,a,o,function(t,r,o,l,u,d){var f=Math.min(i,Math.ceil(n/2)),p=u?u.bounds.max.x-u.bounds.min.x:0;if(!(l>f)){l=f-l;var m=l,h=n-1-l;if(!(o<m||o>h))return d===1&&s.translate(u,{x:(o+(n%2==1?1:-1))*p,y:0}),c(e+(u?o*p:0)+o*a,r,o,l,u,d)}})},r.newtonsCradle=function(e,t,n,r,o){for(var s=i.create({label:`Newtons Cradle`}),l=0;l<n;l++){var u=1.9,d=c.circle(e+r*u*l,t+o,r,{inertia:1/0,restitution:1,friction:0,frictionAir:1e-4,slop:1}),f=a.create({pointA:{x:e+r*u*l,y:t},bodyB:d});i.addBody(s,d),i.addConstraint(s,f)}return s},l(r,`newtonsCradle`,`Composites.newtonsCradle ➤ moved to newtonsCradle example`),r.car=function(e,t,n,r,o){var l=s.nextGroup(!0),u=20,d=-n*.5+u,f=n*.5-u,p=0,m=i.create({label:`Car`}),h=c.rectangle(e,t,n,r,{collisionFilter:{group:l},chamfer:{radius:r*.5},density:2e-4}),g=c.circle(e+d,t+p,o,{collisionFilter:{group:l},friction:.8}),_=c.circle(e+f,t+p,o,{collisionFilter:{group:l},friction:.8}),v=a.create({bodyB:h,pointB:{x:d,y:p},bodyA:g,stiffness:1,length:0}),y=a.create({bodyB:h,pointB:{x:f,y:p},bodyA:_,stiffness:1,length:0});return i.addBody(m,h),i.addBody(m,g),i.addBody(m,_),i.addConstraint(m,v),i.addConstraint(m,y),m},l(r,`car`,`Composites.car ➤ moved to car example`),r.softBody=function(e,t,n,i,a,s,l,u,d,f){d=o.extend({inertia:1/0},d),f=o.extend({stiffness:.2,render:{type:`line`,anchors:!1}},f);var p=r.stack(e,t,n,i,a,s,function(e,t){return c.circle(e,t,u,d)});return r.mesh(p,n,i,l,f),p.label=`Soft Body`,p},l(r,`softBody`,`Composites.softBody ➤ moved to softBody and cloth examples`)})()}),(function(e,t,n){var r={};e.exports=r;var i=n(9),a=n(0),o=a.deprecated;(function(){r.create=function(e){return a.extend({buckets:{},pairs:{},pairsList:[],bucketWidth:48,bucketHeight:48},e)},r.update=function(e,t,n,i){var a,o,s,c=n.world,l=e.buckets,u,d,f=!1;for(a=0;a<t.length;a++){var p=t[a];if(!(p.isSleeping&&!i)&&!(c.bounds&&(p.bounds.max.x<c.bounds.min.x||p.bounds.min.x>c.bounds.max.x||p.bounds.max.y<c.bounds.min.y||p.bounds.min.y>c.bounds.max.y))){var m=r._getRegion(e,p);if(!p.region||m.id!==p.region.id||i){(!p.region||i)&&(p.region=m);var h=r._regionUnion(m,p.region);for(o=h.startCol;o<=h.endCol;o++)for(s=h.startRow;s<=h.endRow;s++){d=r._getBucketId(o,s),u=l[d];var g=o>=m.startCol&&o<=m.endCol&&s>=m.startRow&&s<=m.endRow,_=o>=p.region.startCol&&o<=p.region.endCol&&s>=p.region.startRow&&s<=p.region.endRow;!g&&_&&_&&u&&r._bucketRemoveBody(e,u,p),(p.region===m||g&&!_||i)&&(u||=r._createBucket(l,d),r._bucketAddBody(e,u,p))}p.region=m,f=!0}}}f&&(e.pairsList=r._createActivePairsList(e))},o(r,`update`,`Grid.update ➤ replaced by Matter.Detector`),r.clear=function(e){e.buckets={},e.pairs={},e.pairsList=[]},o(r,`clear`,`Grid.clear ➤ replaced by Matter.Detector`),r._regionUnion=function(e,t){var n=Math.min(e.startCol,t.startCol),i=Math.max(e.endCol,t.endCol),a=Math.min(e.startRow,t.startRow),o=Math.max(e.endRow,t.endRow);return r._createRegion(n,i,a,o)},r._getRegion=function(e,t){var n=t.bounds,i=Math.floor(n.min.x/e.bucketWidth),a=Math.floor(n.max.x/e.bucketWidth),o=Math.floor(n.min.y/e.bucketHeight),s=Math.floor(n.max.y/e.bucketHeight);return r._createRegion(i,a,o,s)},r._createRegion=function(e,t,n,r){return{id:e+`,`+t+`,`+n+`,`+r,startCol:e,endCol:t,startRow:n,endRow:r}},r._getBucketId=function(e,t){return`C`+e+`R`+t},r._createBucket=function(e,t){return e[t]=[]},r._bucketAddBody=function(e,t,n){var r=e.pairs,a=i.id,o=t.length,s;for(s=0;s<o;s++){var c=t[s];if(!(n.id===c.id||n.isStatic&&c.isStatic)){var l=a(n,c),u=r[l];u?u[2]+=1:r[l]=[n,c,1]}}t.push(n)},r._bucketRemoveBody=function(e,t,n){var r=e.pairs,o=i.id,s;t.splice(a.indexOf(t,n),1);var c=t.length;for(s=0;s<c;s++){var l=r[o(n,t[s])];l&&--l[2]}},r._createActivePairsList=function(e){var t,n=e.pairs,r=a.keys(n),i=r.length,o=[],s;for(s=0;s<i;s++)t=n[r[s]],t[2]>0?o.push(t):delete n[r[s]];return o}})()}),(function(e,t,n){var r={};e.exports=r;var i=n(3),a=n(7),o=n(14),s=n(5),c=n(13),l=n(10),u=n(6),d=n(0),f=n(1);(function(){r.create=function(e,t){var n=(e?e.mouse:null)||(t?t.mouse:null);n||(e&&e.render&&e.render.canvas?n=o.create(e.render.canvas):t&&t.element?n=o.create(t.element):(n=o.create(),d.warn(`MouseConstraint.create: options.mouse was undefined, options.element was undefined, may not function as expected`)));var i=l.create({label:`Mouse Constraint`,pointA:n.position,pointB:{x:0,y:0},length:.01,stiffness:.1,angularStiffness:1,render:{strokeStyle:`#90EE90`,lineWidth:3}}),a={type:`mouseConstraint`,mouse:n,element:null,body:null,constraint:i,collisionFilter:{category:1,mask:4294967295,group:0}},c=d.extend(a,t);return s.on(e,`beforeUpdate`,function(){var t=u.allBodies(e.world);r.update(c,t),r._triggerEvents(c)}),c},r.update=function(e,t){var n=e.mouse,r=e.constraint,o=e.body;if(n.button===0){if(r.bodyB)a.set(r.bodyB,!1),r.pointA=n.position;else for(var l=0;l<t.length;l++)if(o=t[l],f.contains(o.bounds,n.position)&&c.canCollide(o.collisionFilter,e.collisionFilter))for(var u=+(o.parts.length>1);u<o.parts.length;u++){var d=o.parts[u];if(i.contains(d.vertices,n.position)){r.pointA=n.position,r.bodyB=e.body=o,r.pointB={x:n.position.x-o.position.x,y:n.position.y-o.position.y},r.angleB=o.angle,a.set(o,!1),s.trigger(e,`startdrag`,{mouse:n,body:o});break}}}else r.bodyB=e.body=null,r.pointB=null,o&&s.trigger(e,`enddrag`,{mouse:n,body:o})},r._triggerEvents=function(e){var t=e.mouse,n=t.sourceEvents;n.mousemove&&s.trigger(e,`mousemove`,{mouse:t}),n.mousedown&&s.trigger(e,`mousedown`,{mouse:t}),n.mouseup&&s.trigger(e,`mouseup`,{mouse:t}),o.clearSourceEvents(t)}})()}),(function(e,t,n){var r={};e.exports=r;var i=n(2),a=n(8),o=n(1),s=n(12),c=n(3);(function(){r.collides=function(e,t){for(var n=[],r=t.length,i=e.bounds,s=a.collides,c=o.overlaps,l=0;l<r;l++){var u=t[l],d=u.parts.length,f=d===1?0:1;if(c(u.bounds,i))for(var p=f;p<d;p++){var m=u.parts[p];if(c(m.bounds,i)){var h=s(m,e);if(h){n.push(h);break}}}}return n},r.ray=function(e,t,n,a){a||=1e-100;for(var o=i.angle(t,n),c=i.magnitude(i.sub(t,n)),l=(n.x+t.x)*.5,u=(n.y+t.y)*.5,d=s.rectangle(l,u,c,a,{angle:o}),f=r.collides(d,e),p=0;p<f.length;p+=1){var m=f[p];m.body=m.bodyB=m.bodyA}return f},r.region=function(e,t,n){for(var r=[],i=0;i<e.length;i++){var a=e[i],s=o.overlaps(a.bounds,t);(s&&!n||!s&&n)&&r.push(a)}return r},r.point=function(e,t){for(var n=[],r=0;r<e.length;r++){var i=e[r];if(o.contains(i.bounds,t))for(var a=i.parts.length===1?0:1;a<i.parts.length;a++){var s=i.parts[a];if(o.contains(s.bounds,t)&&c.contains(s.vertices,t)){n.push(i);break}}}return n}})()}),(function(e,t,n){var r={};e.exports=r;var i=n(4),a=n(0),o=n(6),s=n(1),c=n(5),l=n(2),u=n(14);(function(){var e,t;typeof window<`u`&&(e=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.msRequestAnimationFrame||function(e){window.setTimeout(function(){e(a.now())},1e3/60)},t=window.cancelAnimationFrame||window.mozCancelAnimationFrame||window.webkitCancelAnimationFrame||window.msCancelAnimationFrame),r._goodFps=30,r._goodDelta=1e3/60,r.create=function(e){var t={engine:null,element:null,canvas:null,mouse:null,frameRequestId:null,timing:{historySize:60,delta:0,deltaHistory:[],lastTime:0,lastTimestamp:0,lastElapsed:0,timestampElapsed:0,timestampElapsedHistory:[],engineDeltaHistory:[],engineElapsedHistory:[],engineUpdatesHistory:[],elapsedHistory:[]},options:{width:800,height:600,pixelRatio:1,background:`#14151f`,wireframeBackground:`#14151f`,wireframeStrokeStyle:`#bbb`,hasBounds:!!e.bounds,enabled:!0,wireframes:!0,showSleeping:!0,showDebug:!1,showStats:!1,showPerformance:!1,showBounds:!1,showVelocity:!1,showCollisions:!1,showSeparations:!1,showAxes:!1,showPositions:!1,showAngleIndicator:!1,showIds:!1,showVertexNumbers:!1,showConvexHulls:!1,showInternalEdges:!1,showMousePosition:!1}},n=a.extend(t,e);return 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r=n,i=e.options,a,o,s,c,l;for(r.beginPath(),l=0;l<t.length;l++)if(a=t[l],a.isActive){o=a.collision,s=o.bodyA,c=o.bodyB;var u=1;!c.isStatic&&!s.isStatic&&(u=.5),c.isStatic&&(u=0),r.moveTo(c.position.x,c.position.y),r.lineTo(c.position.x-o.penetration.x*u,c.position.y-o.penetration.y*u),u=1,!c.isStatic&&!s.isStatic&&(u=.5),s.isStatic&&(u=0),r.moveTo(s.position.x,s.position.y),r.lineTo(s.position.x+o.penetration.x*u,s.position.y+o.penetration.y*u)}i.wireframes?r.strokeStyle=`rgba(255,165,0,0.5)`:r.strokeStyle=`orange`,r.stroke()},r.inspector=function(e,t){e.engine;var n=e.selected,r=e.render,i=r.options,a;if(i.hasBounds){var o=r.bounds.max.x-r.bounds.min.x,s=r.bounds.max.y-r.bounds.min.y,c=o/r.options.width,l=s/r.options.height;t.scale(1/c,1/l),t.translate(-r.bounds.min.x,-r.bounds.min.y)}for(var u=0;u<n.length;u++){var 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