https://www.elephant-agency.de/_next/static/chunks/f115a0829f352234.js

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n=e.deltaTime/i._baseDelta;e.anglePrev=e.angle-t*n,e.angularVelocity=(e.angle-e.anglePrev)/n,e.angularSpeed=Math.abs(e.angularVelocity)},i.getAngularVelocity=function(e){return(e.angle-e.anglePrev)*i._baseDelta/e.deltaTime},i.getAngularSpeed=function(e){return Math.abs(i.getAngularVelocity(e))},i.setAngularSpeed=function(e,t){i.setAngularVelocity(e,l.sign(i.getAngularVelocity(e))*t)},i.translate=function(e,t,n){i.setPosition(e,a.add(e.position,t),n)},i.rotate=function(e,t,n,o){if(n){var r=Math.cos(t),a=Math.sin(t),s=e.position.x-n.x,l=e.position.y-n.y;i.setPosition(e,{x:n.x+(s*r-l*a),y:n.y+(s*a+l*r)},o),i.setAngle(e,e.angle+t,o)}else i.setAngle(e,e.angle+t,o)},i.scale=function(e,t,n,o){var a=0,s=0;o=o||e.position;for(var l=0;l<e.parts.length;l++){var p=e.parts[l];r.scale(p.vertices,t,n,o),p.axes=u.fromVertices(p.vertices),p.area=r.area(p.vertices),i.setMass(p,e.density*p.area),r.translate(p.vertices,{x:-p.position.x,y:-p.position.y}),i.setInertia(p,i._inertiaScale*r.inertia(p.vertices,p.mass)),r.translate(p.vertices,{x:p.position.x,y:p.position.y}),l>0&&(a+=p.area,s+=p.inertia),p.position.x=o.x+(p.position.x-o.x)*t,p.position.y=o.y+(p.position.y-o.y)*n,c.update(p.bounds,p.vertices,e.velocity)}e.parts.length>1&&(e.area=a,e.isStatic||(i.setMass(e,e.density*a),i.setInertia(e,s))),e.circleRadius&&(t===n?e.circleRadius*=t:e.circleRadius=null)},i.update=function(e,t){var n=(t=(void 0!==t?t:1e3/60)*e.timeScale)*t,o=i._timeCorrection?t/(e.deltaTime||t):1,s=1-e.frictionAir*(t/l._baseDelta),p=(e.position.x-e.positionPrev.x)*o,d=(e.position.y-e.positionPrev.y)*o;e.velocity.x=p*s+e.force.x/e.mass*n,e.velocity.y=d*s+e.force.y/e.mass*n,e.positionPrev.x=e.position.x,e.positionPrev.y=e.position.y,e.position.x+=e.velocity.x,e.position.y+=e.velocity.y,e.deltaTime=t,e.angularVelocity=(e.angle-e.anglePrev)*s*o+e.torque/e.inertia*n,e.anglePrev=e.angle,e.angle+=e.angularVelocity;for(var f=0;f<e.parts.length;f++){var v=e.parts[f];r.translate(v.vertices,e.velocity),f>0&&(v.position.x+=e.velocity.x,v.position.y+=e.velocity.y),0!==e.angularVelocity&&(r.rotate(v.vertices,e.angularVelocity,e.position),u.rotate(v.axes,e.angularVelocity),f>0&&a.rotateAbout(v.position,e.angularVelocity,e.position,v.position)),c.update(v.bounds,v.vertices,e.velocity)}},i.updateVelocities=function(e){var t=i._baseDelta/e.deltaTime,n=e.velocity;n.x=(e.position.x-e.positionPrev.x)*t,n.y=(e.position.y-e.positionPrev.y)*t,e.speed=Math.sqrt(n.x*n.x+n.y*n.y),e.angularVelocity=(e.angle-e.anglePrev)*t,e.angularSpeed=Math.abs(e.angularVelocity)},i.applyForce=function(e,t,n){var o={x:t.x-e.position.x,y:t.y-e.position.y};e.force.x+=n.x,e.force.y+=n.y,e.torque+=o.x*n.y-o.y*n.x},i._totalProperties=function(e){for(var t={mass:0,area:0,inertia:0,centre:{x:0,y:0}},n=+(1!==e.parts.length);n<e.parts.length;n++){var o=e.parts[n],i=o.mass!==1/0?o.mass:1;t.mass+=i,t.area+=o.area,t.inertia+=o.inertia,t.centre=a.add(t.centre,a.mult(o.position,i))}return t.centre=a.div(t.centre,t.mass),t}},function(e,t,n){var o={};e.exports=o;var i=n(0);o.on=function(e,t,n){for(var o,i=t.split(" "),r=0;r<i.length;r++)o=i[r],e.events=e.events||{},e.events[o]=e.events[o]||[],e.events[o].push(n);return n},o.off=function(e,t,n){if(!t){e.events={};return}"function"==typeof t&&(n=t,t=i.keys(e.events).join(" "));for(var o=t.split(" 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n=[].concat(t);i.trigger(e,"beforeAdd",{object:t});for(var a=0;a<n.length;a++){var s=n[a];switch(s.type){case"body":if(s.parent!==s){r.warn("Composite.add: skipped adding a compound body part (you must add its parent instead)");break}o.addBody(e,s);break;case"constraint":o.addConstraint(e,s);break;case"composite":o.addComposite(e,s);break;case"mouseConstraint":o.addConstraint(e,s.constraint)}}return i.trigger(e,"afterAdd",{object:t}),e},o.remove=function(e,t,n){var r=[].concat(t);i.trigger(e,"beforeRemove",{object:t});for(var a=0;a<r.length;a++){var s=r[a];switch(s.type){case"body":o.removeBody(e,s,n);break;case"constraint":o.removeConstraint(e,s,n);break;case"composite":o.removeComposite(e,s,n);break;case"mouseConstraint":o.removeConstraint(e,s.constraint)}}return i.trigger(e,"afterRemove",{object:t}),e},o.addComposite=function(e,t){return e.composites.push(t),t.parent=e,o.setModified(e,!0,!0,!1),e},o.removeComposite=function(e,t,n){var i=r.indexOf(e.composites,t);if(-1!==i){var a=o.allBodies(t);o.removeCompositeAt(e,i);for(var s=0;s<a.length;s++)a[s].sleepCounter=0}if(n)for(var s=0;s<e.composites.length;s++)o.removeComposite(e.composites[s],t,!0);return e},o.removeCompositeAt=function(e,t){return e.composites.splice(t,1),o.setModified(e,!0,!0,!1),e},o.addBody=function(e,t){return e.bodies.push(t),o.setModified(e,!0,!0,!1),e},o.removeBody=function(e,t,n){var i=r.indexOf(e.bodies,t);

1if(-1!==i&&(o.removeBodyAt(e,i),t.sleepCounter=0),n)for(var a=0;a<e.composites.length;a++)o.removeBody(e.composites[a],t,!0);return e},o.removeBodyAt=function(e,t){return e.bodies.splice(t,1),o.setModified(e,!0,!0,!1),e},o.addConstraint=function(e,t){return e.constraints.push(t),o.setModified(e,!0,!0,!1),e},o.removeConstraint=function(e,t,n){var i=r.indexOf(e.constraints,t);if(-1!==i&&o.removeConstraintAt(e,i),n)for(var a=0;a<e.composites.length;a++)o.removeConstraint(e.composites[a],t,!0);return e},o.removeConstraintAt=function(e,t){return e.constraints.splice(t,1),o.setModified(e,!0,!0,!1),e},o.clear=function(e,t,n){if(n)for(var i=0;i<e.composites.length;i++)o.clear(e.composites[i],t,!0);return t?e.bodies=e.bodies.filter(function(e){return e.isStatic}):e.bodies.length=0,e.constraints.length=0,e.composites.length=0,o.setModified(e,!0,!0,!1),e},o.allBodies=function(e){if(e.cache&&e.cache.allBodies)return e.cache.allBodies;for(var t=[].concat(e.bodies),n=0;n<e.composites.length;n++)t=t.concat(o.allBodies(e.composites[n]));return e.cache&&(e.cache.allBodies=t),t},o.allConstraints=function(e){if(e.cache&&e.cache.allConstraints)return e.cache.allConstraints;for(var t=[].concat(e.constraints),n=0;n<e.composites.length;n++)t=t.concat(o.allConstraints(e.composites[n]));return e.cache&&(e.cache.allConstraints=t),t},o.allComposites=function(e){if(e.cache&&e.cache.allComposites)return e.cache.allComposites;for(var t=[].concat(e.composites),n=0;n<e.composites.length;n++)t=t.concat(o.allComposites(e.composites[n]));return e.cache&&(e.cache.allComposites=t),t},o.get=function(e,t,n){var i,r;switch(n){case"body":i=o.allBodies(e);break;case"constraint":i=o.allConstraints(e);break;case"composite":i=o.allComposites(e).concat(e)}return i?0===(r=i.filter(function(e){return e.id.toString()===t.toString()})).length?null:r[0]:null},o.move=function(e,t,n){return o.remove(e,t),o.add(n,t),e},o.rebase=function(e){for(var t=o.allBodies(e).concat(o.allConstraints(e)).concat(o.allComposites(e)),n=0;n<t.length;n++)t[n].id=r.nextId();return e},o.translate=function(e,t,n){for(var i=n?o.allBodies(e):e.bodies,r=0;r<i.length;r++)s.translate(i[r],t);return e},o.rotate=function(e,t,n,i){for(var r=Math.cos(t),a=Math.sin(t),l=i?o.allBodies(e):e.bodies,c=0;c<l.length;c++){var u=l[c],p=u.position.x-n.x,d=u.position.y-n.y;s.setPosition(u,{x:n.x+(p*r-d*a),y:n.y+(p*a+d*r)}),s.rotate(u,t)}return e},o.scale=function(e,t,n,i,r){for(var a=r?o.allBodies(e):e.bodies,l=0;l<a.length;l++){var c=a[l],u=c.position.x-i.x,p=c.position.y-i.y;s.setPosition(c,{x:i.x+u*t,y:i.y+p*n}),s.scale(c,t,n)}return e},o.bounds=function(e){for(var t=o.allBodies(e),n=[],i=0;i<t.length;i+=1){var r=t[i];n.push(r.bounds.min,r.bounds.max)}return a.create(n)}},function(e,t,n){var o={};e.exports=o;var i=n(4),r=n(5),a=n(0);o._motionWakeThreshold=.18,o._motionSleepThreshold=.08,o._minBias=.9,o.update=function(e,t){for(var n=t/a._baseDelta,r=o._motionSleepThreshold,s=0;s<e.length;s++){var l=e[s],c=i.getSpeed(l),u=i.getAngularSpeed(l),p=c*c+u*u;if(0!==l.force.x||0!==l.force.y){o.set(l,!1);continue}var d=Math.min(l.motion,p),f=Math.max(l.motion,p);l.motion=o._minBias*d+(1-o._minBias)*f,l.sleepThreshold>0&&l.motion<r?(l.sleepCounter+=1,l.sleepCounter>=l.sleepThreshold/n&&o.set(l,!0)):l.sleepCounter>0&&(l.sleepCounter-=1)}},o.afterCollisions=function(e){for(var t=o._motionSleepThreshold,n=0;n<e.length;n++){var i=e[n];if(i.isActive){var r=i.collision,a=r.bodyA.parent,s=r.bodyB.parent;if((!a.isSleeping||!s.isSleeping)&&!a.isStatic&&!s.isStatic&&(a.isSleeping||s.isSleeping)){var l=a.isSleeping&&!a.isStatic?a:s,c=l===a?s:a;!l.isStatic&&c.motion>t&&o.set(l,!1)}}}},o.set=function(e,t){var n=e.isSleeping;t?(e.isSleeping=!0,e.sleepCounter=e.sleepThreshold,e.positionImpulse.x=0,e.positionImpulse.y=0,e.positionPrev.x=e.position.x,e.positionPrev.y=e.position.y,e.anglePrev=e.angle,e.speed=0,e.angularSpeed=0,e.motion=0,n||r.trigger(e,"sleepStart")):(e.isSleeping=!1,e.sleepCounter=0,n&&r.trigger(e,"sleepEnd"))}},function(e,t,n){var o,i,r,a={};e.exports=a;var s=n(3),l=n(9);o=[],i={overlap:0,axis:null},r={overlap:0,axis:null},a.create=function(e,t){return{pair:null,collided:!1,bodyA:e,bodyB:t,parentA:e.parent,parentB:t.parent,depth:0,normal:{x:0,y:0},tangent:{x:0,y:0}

1,penetration:{x:0,y:0},supports:[null,null],supportCount:0}},a.collides=function(e,t,n){if(a._overlapAxes(i,e.vertices,t.vertices,e.axes),i.overlap<=0||(a._overlapAxes(r,t.vertices,e.vertices,t.axes),r.overlap<=0))return null;var o,c,u=n&&n.table[l.id(e,t)];u?c=u.collision:((c=a.create(e,t)).collided=!0,c.bodyA=e.id<t.id?e:t,c.bodyB=e.id<t.id?t:e,c.parentA=c.bodyA.parent,c.parentB=c.bodyB.parent),e=c.bodyA,t=c.bodyB,o=i.overlap<r.overlap?i:r;var p=c.normal,d=c.tangent,f=c.penetration,v=c.supports,m=o.overlap,y=o.axis,g=y.x,x=y.y;g*(t.position.x-e.position.x)+x*(t.position.y-e.position.y)>=0&&(g=-g,x=-x),p.x=g,p.y=x,d.x=-x,d.y=g,f.x=g*m,f.y=x*m,c.depth=m;var h=a._findSupports(e,t,p,1),b=0;if(s.contains(e.vertices,h[0])&&(v[b++]=h[0]),s.contains(e.vertices,h[1])&&(v[b++]=h[1]),b<2){var S=a._findSupports(t,e,p,-1);s.contains(t.vertices,S[0])&&(v[b++]=S[0]),b<2&&s.contains(t.vertices,S[1])&&(v[b++]=S[1])}return 0===b&&(v[b++]=h[0]),c.supportCount=b,c},a._overlapAxes=function(e,t,n,o){var i,r,a,s,l,c,u=t.length,p=n.length,d=t[0].x,f=t[0].y,v=n[0].x,m=n[0].y,y=o.length,g=Number.MAX_VALUE,x=0;for(l=0;l<y;l++){var h=o[l],b=h.x,S=h.y,w=d*b+f*S,A=v*b+m*S,P=w,B=A;for(c=1;c<u;c+=1)(s=t[c].x*b+t[c].y*S)>P?P=s:s<w&&(w=s);for(c=1;c<p;c+=1)(s=n[c].x*b+n[c].y*S)>B?B=s:s<A&&(A=s);if((i=(r=P-A)<(a=B-w)?r:a)<g&&(g=i,x=l,i<=0))break}e.axis=o[x],e.overlap=g},a._findSupports=function(e,t,n,i){var r,a,s,l=t.vertices,c=l.length,u=e.position.x,p=e.position.y,d=n.x*i,f=n.y*i,v=l[0],m=v,y=d*(u-m.x)+f*(p-m.y);for(s=1;s<c;s+=1)(a=d*(u-(m=l[s]).x)+f*(p-m.y))<y&&(y=a,v=m);return(y=d*(u-(r=l[(c+v.index-1)%c]).x)+f*(p-r.y),d*(u-(m=l[(v.index+1)%c]).x)+f*(p-m.y)<y)?(o[0]=v,o[1]=m):(o[0]=v,o[1]=r),o}},function(e,t,n){var o={};e.exports=o;var i=n(16);o.create=function(e,t){var n=e.bodyA,r=e.bodyB,a={id:o.id(n,r),bodyA:n,bodyB:r,collision:e,contacts:[i.create(),i.create()],contactCount:0,separation:0,isActive:!0,isSensor:n.isSensor||r.isSensor,timeCreated:t,timeUpdated:t,inverseMass:0,friction:0,frictionStatic:0,restitution:0,slop:0};return o.update(a,e,t),a},o.update=function(e,t,n){var o=t.supports,i=t.supportCount,r=e.contacts,a=t.parentA,s=t.parentB;e.isActive=!0,e.timeUpdated=n,e.collision=t,e.separation=t.depth,e.inverseMass=a.inverseMass+s.inverseMass,e.friction=a.friction<s.friction?a.friction:s.friction,e.frictionStatic=a.frictionStatic>s.frictionStatic?a.frictionStatic:s.frictionStatic,e.restitution=a.restitution>s.restitution?a.restitution:s.restitution,e.slop=a.slop>s.slop?a.slop:s.slop,e.contactCount=i,t.pair=e;var l=o[0],c=r[0],u=o[1],p=r[1];(p.vertex===l||c.vertex===u)&&(r[1]=c,r[0]=c=p,p=r[1]),c.vertex=l,p.vertex=u},o.setActive=function(e,t,n){t?(e.isActive=!0,e.timeUpdated=n):(e.isActive=!1,e.contactCount=0)},o.id=function(e,t){return e.id<t.id?e.id.toString(36)+":"+t.id.toString(36):t.id.toString(36)+":"+e.id.toString(36)}},function(e,t,n){var o={};e.exports=o;var i=n(3),r=n(2),a=n(7),s=n(1),l=n(11),c=n(0);o._warming=.4,o._torqueDampen=1,o._minLength=1e-6,o.create=function(e){e.bodyA&&!e.pointA&&(e.pointA={x:0,y:0}),e.bodyB&&!e.pointB&&(e.pointB={x:0,y:0});var t=e.bodyA?r.add(e.bodyA.position,e.pointA):e.pointA,n=e.bodyB?r.add(e.bodyB.position,e.pointB):e.pointB,o=r.magnitude(r.sub(t,n));e.length=void 0!==e.length?e.length:o,e.id=e.id||c.nextId(),e.label=e.label||"Constraint",e.type="constraint",e.stiffness=e.stiffness||(e.length>0?1:.7),e.damping=e.damping||0,e.angularStiffness=e.angularStiffness||0,e.angleA=e.bodyA?e.bodyA.angle:e.angleA,e.angleB=e.bodyB?e.bodyB.angle:e.angleB,e.plugin={};var i={visible:!0,lineWidth:2,strokeStyle:"#ffffff",type:"line",anchors:!0};return 0===e.length&&e.stiffness>.1?(i.type="pin",i.anchors=!1):e.stiffness<.9&&(i.type="spring"),e.render=c.extend(i,e.render),e},o.preSolveAll=function(e){for(var t=0;t<e.length;t+=1){var n=e[t],o=n.constraintImpulse;n.isStatic||0===o.x&&0===o.y&&0===o.angle||(n.position.x+=o.x,n.position.y+=o.y,n.angle+=o.angle)}},o.solveAll=function(e,t){for(var n=c.clamp(t/c._baseDelta,0,1),i=0;i<e.length;i+=1){var r=e[i],a=!r.bodyA||r.bodyA&&r.bodyA.isStatic,s=!r.bodyB||r.bodyB&&r.bodyB.isStatic;(a||s)&&o.solve(e[i],n)}for(i=0;i<e.length;i+=1)a=!(r=e[i]).bodyA||r.bodyA&&r.bodyA.isStatic,s=!r.bodyB||r.bodyB&&r.bodyB.isStatic,a||s||o.solve(e[i],n)},o.solve=function(e,t){var n=e.bodyA,i=e.bodyB,a=e.pointA,s=e.pointB;if(n||i){n&&!n.isStatic&&(r.rotate(a,n.angle-e.angleA,a),e.angleA=n.angle),i&&!i.isStatic&&(r.rotate(s,i.angle-e.angleB,s),e.angleB=i.angle);var l=a,c=s;if(n&&(l=r.add(n.position,a)),i&&(c=r.add(i.position,s)),l&&c){var u=r.sub(l,c),p=r.magnitude(u);p<o._minLength&&(p=o._minLength);var d,f,v,m,y,g=(p-e.length)/p,x=e.stiffness>=1||0===e.length?e.stiffness*t:e.stiffness*t*t,h=e.damping*t,b=r.mult(u,g*x),S=(n?n.inverseMass:0)+(i?i.inverseMass:0),w=S+((n?n.inverseInertia:0)+(i?i.inverseInertia:0));if(h>0){var A=r.create();v=r.div(u,p),y=r.sub(i&&r.sub(i.position,i.positionPrev)||A,n&&r.sub(n.position,n.positionPrev)||A),m=r.dot(v,y)}n&&!n.isStatic&&(f=n.inverseMass/S,n.constraintImpulse.x-=b.x*f,n.constraintImpulse.y-=b.y*f,n.position.x-=b.x*f,n.position.y-=b.y*f,h>0&&(n.positionPrev.x-=h*v.x*m*f,n.positionPrev.y-=h*v.y*m*f),d=r.cross(a,b)/w*o._torqueDampen*n.inverseInertia*(1-e.angularStiffness),n.constraintImpulse.angle-=d,n.angle-=d),i&&!i.isStatic&&(f=i.inverseMass/S,i.constraintImpulse.x+=b.x*f,i.constraintImpulse.y+=b.y*f,i.position.x+=b.x*f,i.position.y+=b.y*f,h>0&&(i.positionPrev.x+=h*v.x*m*f,i.positionPrev.y+=h*v.y*m*f),d=r.cross(s,b)/w*o._torqueDampen*i.inverseInertia*(1-e.angularStiffness),i.constraintImpulse.angle+=d,i.angle+=d)}}},o.postSolveAll=function(e){for(var t=0;t<e.length;t++){var n=e[t],c=n.constraintImpulse;if(!n.isStatic&&(0!==c.x||0!==c.y||0!==c.angle)){a.set(n,!1);for(var u=0;u<n.parts.length;u++){var p=n.parts[u];i.translate(p.vertices,c),u>0&&(p.position.x+=c.x,p.position.y+=c.y),0!==c.angle&&(i.rotate(p.vertices,c.angle,n.position),l.rotate(p.axes,c.angle),u>0&&r.rotateAbout(p.position,c.angle,n.position,p.position)),s.update(p.bounds,p.vertices,n.velocity)}c.angle*=o._warming,c.x*=o._warming,c.y*=o._warming}}},o.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)}},o.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)}},o.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),o=(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),r=t-o,a=n-i;return Math.sqrt(r*r+a*a)}},function(e,t,n){var o={};e.exports=o;var i=n(2),r=n(0);o.fromVertices=function(e){for(var t={},n=0;n<e.length;n++){var o=(n+1)%e.length,a=i.normalise({x:e[o].y-e[n].y,y:e[n].x-e[o].x}),s=0===a.y?1/0:a.x/a.y;t[s=s.toFixed(3).toString()]=a}return r.values(t)},o.rotate=function(e,t){if(0!==t)for(var n=Math.cos(t),o=Math.sin(t),i=0;i<e.length;i++){var r,a=e[i];

1r=a.x*n-a.y*o,a.y=a.x*o+a.y*n,a.x=r}}},function(e,t,n){var o={};e.exports=o;var i=n(3),r=n(0),a=n(4),s=n(1),l=n(2);o.rectangle=function(e,t,n,o,s){s=s||{};var l={label:"Rectangle Body",position:{x:e,y:t},vertices:i.fromPath("L 0 0 L "+n+" 0 L "+n+" "+o+" L 0 "+o)};if(s.chamfer){var c=s.chamfer;l.vertices=i.chamfer(l.vertices,c.radius,c.quality,c.qualityMin,c.qualityMax),delete s.chamfer}return a.create(r.extend({},l,s))},o.trapezoid=function(e,t,n,o,s,l){l=l||{},s>=1&&r.warn("Bodies.trapezoid: slope parameter must be < 1.");var c,u=(1-2*(s*=.5))*n,p=n*s,d=p+u,f=d+p;c=s<.5?"L 0 0 L "+p+" "+-o+" L "+d+" "+-o+" L "+f+" 0":"L 0 0 L "+d+" "+-o+" L "+f+" 0";var v={label:"Trapezoid Body",position:{x:e,y:t},vertices:i.fromPath(c)};if(l.chamfer){var m=l.chamfer;v.vertices=i.chamfer(v.vertices,m.radius,m.quality,m.qualityMin,m.qualityMax),delete l.chamfer}return a.create(r.extend({},v,l))},o.circle=function(e,t,n,i,a){i=i||{};var s=Math.ceil(Math.max(10,Math.min(a=a||25,n)));return s%2==1&&(s+=1),o.polygon(e,t,s,n,r.extend({},{label:"Circle Body",circleRadius:n},i))},o.polygon=function(e,t,n,s,l){if(l=l||{},n<3)return o.circle(e,t,s,l);for(var c=2*Math.PI/n,u="",p=.5*c,d=0;d<n;d+=1){var f=p+d*c,v=Math.cos(f)*s,m=Math.sin(f)*s;u+="L "+v.toFixed(3)+" "+m.toFixed(3)+" "}var y={label:"Polygon Body",position:{x:e,y:t},vertices:i.fromPath(u)};if(l.chamfer){var g=l.chamfer;y.vertices=i.chamfer(y.vertices,g.radius,g.quality,g.qualityMin,g.qualityMax),delete l.chamfer}return a.create(r.extend({},y,l))},o.fromVertices=function(e,t,n,o,c,u,p,d){var f,v,m,y,g,x,h,b,S,w,A=r.getDecomp();for(f=!!(A&&A.quickDecomp),o=o||{},m=[],c=void 0!==c&&c,u=void 0!==u?u:.01,p=void 0!==p?p:10,d=void 0!==d?d:.01,r.isArray(n[0])||(n=[n]),S=0;S<n.length;S+=1)if(g=n[S],(y=i.isConvex(g))||f||r.warnOnce("Bodies.fromVertices: Install the 'poly-decomp' library and use Common.setDecomp or provide 'decomp' as a global to decompose concave vertices."),y||!f)g=y?i.clockwiseSort(g):i.hull(g),m.push({position:{x:e,y:t},vertices:g});else{var P=g.map(function(e){return[e.x,e.y]});A.makeCCW(P),!1!==u&&A.removeCollinearPoints(P,u),!1!==d&&A.removeDuplicatePoints&&A.removeDuplicatePoints(P,d);var B=A.quickDecomp(P);for(x=0;x<B.length;x++){var M=B[x].map(function(e){return{x:e[0],y:e[1]}});p>0&&i.area(M)<p||m.push({position:i.centre(M),vertices:M})}}for(x=0;x<m.length;x++)m[x]=a.create(r.extend(m[x],o));if(c)for(x=0;x<m.length;x++){var _=m[x];for(h=x+1;h<m.length;h++){var C=m[h];if(s.overlaps(_.bounds,C.bounds)){var k=_.vertices,I=C.vertices;for(b=0;b<_.vertices.length;b++)for(w=0;w<C.vertices.length;w++){var T=l.magnitudeSquared(l.sub(k[(b+1)%k.length],I[w])),R=l.magnitudeSquared(l.sub(k[b],I[(w+1)%I.length]));T<5&&R<5&&(k[b].isInternal=!0,I[w].isInternal=!0)}}}}return m.length>1?(v=a.create(r.extend({parts:m.slice(0)},o)),a.setPosition(v,{x:e,y:t}),v):m[0]}},function(e,t,n){var o={};e.exports=o;var i=n(0),r=n(8);o.create=function(e){return i.extend({bodies:[],collisions:[],pairs:null},e)},o.setBodies=function(e,t){e.bodies=t.slice(0)},o.clear=function(e){e.bodies=[],e.collisions=[]},o.collisions=function(e){var t,n,i=e.pairs,a=e.bodies,s=a.length,l=o.canCollide,c=r.collides,u=e.collisions,p=0;for(a.sort(o._compareBoundsX),t=0;t<s;t++){var d=a[t],f=d.bounds,v=d.bounds.max.x,m=d.bounds.max.y,y=d.bounds.min.y,g=d.isStatic||d.isSleeping,x=d.parts.length,h=1===x;for(n=t+1;n<s;n++){var b=a[n],S=b.bounds;if(S.min.x>v)break;if(!(m<S.min.y)&&!(y>S.max.y)&&(!g||!b.isStatic&&!b.isSleeping)&&l(d.collisionFilter,b.collisionFilter)){var w=b.parts.length;if(h&&1===w){var A=c(d,b,i);A&&(u[p++]=A)}else for(var P=+(x>1),B=+(w>1),M=P;M<x;M++)for(var _=d.parts[M],f=_.bounds,C=B;C<w;C++){var k=b.parts[C],S=k.bounds;if(!(f.min.x>S.max.x)&&!(f.max.x<S.min.x)&&!(f.max.y<S.min.y)&&!(f.min.y>S.max.y)){var A=c(_,k,i);A&&(u[p++]=A)}}}}}return u.length!==p&&(u.length=p),u},o.canCollide=function(e,t){return e.group===t.group&&0!==e.group?e.group>0:(e.mask&t.category)!=0&&(t.mask&e.category)!=0},o._compareBoundsX=function(e,t){return e.bounds.min.x-t.bounds.min.x}},function(e,t,n){var o={};e.exports=o;var i=n(0);o.create=function(e){var t={};return e||i.log("Mouse.create: element was undefined, defaulting to document.body","warn"),t.element=e||document.body,t.absolute={x:0,y:0},t.position={x:0,y:0},t.mousedownPosition={x:0,y:0},t.mouseupPosition={x:0,y:0},t.offset={x:0,y:0},t.scale={x:1,y:1},t.wheelDelta=0,t.button=-1,t.pixelRatio=parseInt(t.element.getAttribute("data-pixel-ratio"),10)||1,t.sourceEvents={mousemove:null,mousedown:null,mouseup:null,mousewheel:null},t.mousemove=function(e){var n=o._getRelativeMousePosition(e,t.element,t.pixelRatio);e.changedTouches&&(t.button=0,e.preventDefault()),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.sourceEvents.mousemove=e},t.mousedown=function(e){var n=o._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=o._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},o.setElement(t,t.element),t},o.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})},o.clearSourceEvents=function(e){e.sourceEvents.mousemove=null,e.sourceEvents.mousedown=null,e.sourceEvents.mouseup=null,e.sourceEvents.mousewheel=null,e.wheelDelta=0},o.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},o.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},o._getRelativeMousePosition=function(e,t,n){var o,i,r=t.getBoundingClientRect(),a=document.documentElement||document.body.parentNode||document.body,s=void 0!==window.pageXOffset?window.pageXOffset:a.scrollLeft,l=void 0!==window.pageYOffset?window.pageYOffset:a.scrollTop,c=e.changedTouches;return c?(o=c[0].pageX-r.left-s,i=c[0].pageY-r.top-l):(o=e.pageX-r.left-s,i=e.pageY-r.top-l),{x:o/(t.clientWidth/(t.width||t.clientWidth)*n),y:i/(t.clientHeight/(t.height||t.clientHeight)*n)}}},function(e,t,n){var o={};e.exports=o;var i=n(0);o._registry={},o.register=function(e){if(o.isPlugin(e)||i.warn("Plugin.register:",o.toString(e),"does not implement all required fields."),e.name in o._registry){var t=o._registry[e.name],n=o.versionParse(e.version).number,r=o.versionParse(t.version).number;n>r?(i.warn("Plugin.register:",o.toString(t),"was upgraded to",o.toString(e)),o._registry[e.name]=e):n<r?i.warn("Plugin.register:",o.toString(t),"can not be downgraded to",o.toString(e)):e!==t&&i.warn("Plugin.register:",o.toString(e),"is already registered to different plugin object")}else o._registry[e.name]=e;return e},o.resolve=function(e){return o._registry[o.dependencyParse(e).name]},o.toString=function(e){return"string"==typeof e?e:(e.name||"anonymous")+"@"+(e.version||e.range||"0.0.0")},o.isPlugin=function(e){return e&&e.name&&e.version&&e.install},o.isUsed=function(e,t){return e.used.indexOf(t)>-1},o.isFor=function(e,t){var n=e.for&&o.dependencyParse(e.for);return!e.for||t.name===n.name&&o.versionSatisfies(t.version,n.range)},o.use=function(e,t){if(e.uses=(e.uses||[]).concat(t||[]),0===e.uses.length)return void i.warn("Plugin.use:",o.toString(e),"does not specify any dependencies to install.");for(var n=o.dependencies(e),r=i.topologicalSort(n),a=[],s=0;s<r.length;s+=1)if(r[s]!==e.name){var l=o.resolve(r[s]);if(!l){a.push("❌ "+r[s]);continue}o.isUsed(e,l.name)||(o.isFor(l,e)||(i.warn("Plugin.use:",o.toString(l),"is for",l.for,"but installed on",o.toString(e)+"."),l._warned=!0),l.install?l.install(e):(i.warn("Plugin.use:",o.toString(l),"does not specify an install function."),l._warned=!0),l._warned?(a.push("🔶 "+o.toString(l)),delete l._warned):a.push("✅ "+o.toString(l)),e.used.push(l.name))}a.length>0&&i.info(a.join("  "))},o.dependencies=function(e,t){var n=o.dependencyParse(e),r=n.name;if(!(r in(t=t||{}))){e=o.resolve(e)||e,t[r]=i.map(e.uses||[],function(t){o.isPlugin(t)&&o.register(t);var r=o.dependencyParse(t),a=o.resolve(t);return a&&!o.versionSatisfies(a.version,r.range)?(i.warn("Plugin.dependencies:",o.toString(a),"does not satisfy",o.toString(r),"used by",o.toString(n)+"."),a._warned=!0,e._warned=!0):a||(i.warn("Plugin.dependencies:",o.toString(t),"used by",o.toString(n),"could not be resolved."),e._warned=!0),r.name});for(var a=0;a<t[r].length;a+=1)o.dependencies(t[r][a],t);return t}},o.dependencyParse=function(e){return i.isString(e)?(/^[\w-]+(@(\*|[\^~]?\d+\.\d+\.\d+(-[0-9A-Za-z-+]+)?))?$/.test(e)||i.warn("Plugin.dependencyParse:",e,"is not a valid depen

1dency string."),{name:e.split("@")[0],range:e.split("@")[1]||"*"}):{name:e.name,range:e.range||e.version}},o.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),o=Number(n[4]),r=Number(n[5]),a=Number(n[6]);return{isRange:!!(n[1]||n[2]),version:n[3],range:e,operator:n[1]||n[2]||"",major:o,minor:r,patch:a,parts:[o,r,a],prerelease:n[7],number:1e8*o+1e4*r+a}},o.versionSatisfies=function(e,t){t=t||"*";var n=o.versionParse(t),i=o.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 n.major>0?i.major===n.major&&i.number>=n.number:n.minor>0?i.minor===n.minor&&i.patch>=n.patch:i.patch===n.patch}return e===t||"*"===e}},function(e,t){var n={};e.exports=n,n.create=function(e){return{vertex:e,normalImpulse:0,tangentImpulse:0}}},function(e,t,n){var o={};e.exports=o;var i=n(7),r=n(18),a=n(13),s=n(19),l=n(5),c=n(6),u=n(10),p=n(0),d=n(4);o._deltaMax=1e3/60,o.create=function(e){e=e||{};var t=p.extend({positionIterations:6,velocityIterations:4,constraintIterations:2,enableSleeping:!1,events:[],plugin:{},gravity:{x:0,y:1,scale:.001},timing:{timestamp:0,timeScale:1,lastDelta:0,lastElapsed:0,lastUpdatesPerFrame:0}},e);return t.world=e.world||c.create({label:"World"}),t.pairs=e.pairs||s.create(),t.detector=e.detector||a.create(),t.detector.pairs=t.pairs,t.grid={buckets:[]},t.world.gravity=t.gravity,t.broadphase=t.grid,t.metrics={},t},o.update=function(e,t){var n,d=p.now(),f=e.world,v=e.detector,m=e.pairs,y=e.timing,g=y.timestamp;t>o._deltaMax&&p.warnOnce("Matter.Engine.update: delta argument is recommended to be less than or equal to",o._deltaMax.toFixed(3),"ms."),t=(void 0!==t?t:p._baseDelta)*y.timeScale,y.timestamp+=t,y.lastDelta=t;var x={timestamp:y.timestamp,delta:t};l.trigger(e,"beforeUpdate",x);var h=c.allBodies(f),b=c.allConstraints(f);for(f.isModified&&(a.setBodies(v,h),c.setModified(f,!1,!1,!0)),e.enableSleeping&&i.update(h,t),o._bodiesApplyGravity(h,e.gravity),t>0&&o._bodiesUpdate(h,t),l.trigger(e,"beforeSolve",x),u.preSolveAll(h),n=0;n<e.constraintIterations;n++)u.solveAll(b,t);u.postSolveAll(h);var S=a.collisions(v);s.update(m,S,g),e.enableSleeping&&i.afterCollisions(m.list),m.collisionStart.length>0&&l.trigger(e,"collisionStart",{pairs:m.collisionStart,timestamp:y.timestamp,delta:t});var w=p.clamp(20/e.positionIterations,0,1);for(r.preSolvePosition(m.list),n=0;n<e.positionIterations;n++)r.solvePosition(m.list,t,w);for(r.postSolvePosition(h),u.preSolveAll(h),n=0;n<e.constraintIterations;n++)u.solveAll(b,t);for(u.postSolveAll(h),r.preSolveVelocity(m.list),n=0;n<e.velocityIterations;n++)r.solveVelocity(m.list,t);return o._bodiesUpdateVelocities(h),m.collisionActive.length>0&&l.trigger(e,"collisionActive",{pairs:m.collisionActive,timestamp:y.timestamp,delta:t}),m.collisionEnd.length>0&&l.trigger(e,"collisionEnd",{pairs:m.collisionEnd,timestamp:y.timestamp,delta:t}),o._bodiesClearForces(h),l.trigger(e,"afterUpdate",x),e.timing.lastElapsed=p.now()-d,e},o.merge=function(e,t){if(p.extend(e,t),t.world){e.world=t.world,o.clear(e);for(var n=c.allBodies(e.world),r=0;r<n.length;r++){var a=n[r];i.set(a,!1),a.id=p.nextId()}}},o.clear=function(e){s.clear(e.pairs),a.clear(e.detector)},o._bodiesClearForces=function(e){for(var t=e.length,n=0;n<t;n++){var o=e[n];o.force.x=0,o.force.y=0,o.torque=0}},o._bodiesApplyGravity=function(e,t){var n=void 0!==t.scale?t.scale:.001,o=e.length;if((0!==t.x||0!==t.y)&&0!==n)for(var i=0;i<o;i++){var r=e[i];r.isStatic||r.isSleeping||(r.force.y+=r.mass*t.y*n,r.force.x+=r.mass*t.x*n)}},o._bodiesUpdate=function(e,t){for(var n=e.length,o=0;o<n;o++){var i=e[o];i.isStatic||i.isSleeping||d.update(i,t)}},o._bodiesUpdateVelocities=function(e){for(var t=e.length,n=0;n<t;n++)d.updateVelocities(e[n])}},function(e,t,n){var o={};e.exports=o;var i=n(3),r=n(0),a=n(1);o._restingThresh=2,o._restingThreshTangent=Math.sqrt(6),o._positionDampen=.9,o._positionWarming=.8,o._frictionNormalMultiplier=5,o._frictionMaxStatic=Number.MAX_VALUE,o.preSolvePosition=function(e){var t,n,o,i=e.length;for(t=0;t<i;t++)(n=e[t]).isActive&&(o=n.contactCount,n.collision.parentA.totalContacts+=o,n.collision.parentB.totalContacts+=o)},o.solvePosition=function(e,t,n){var i,a,s,l,c,u,p,d,f=o._positionDampen*(n||1),v=r.clamp(t/r._baseDelta,0,1),m=e.length;for(i=0;i<m;i++)(a=e[i]).isActive&&!a.isSensor&&(l=(s=a.collision).parentA,c=s.parentB,u=s.normal,a.separation=s.depth+u.x*(c.positionImpulse.x-l.positionImpulse.x)+u.y*(c.positionImpulse.y-l.positionImpulse.y));for(i=0;i<m;i++)(a=e[i]).isActive&&!a.isSensor&&(l=(s=a.collision).parentA,c=s.parentB,u=s.normal,d=a.separation-a.slop*v,(l.isStatic||c.isStatic)&&(d*=2),l.isStatic||l.isSleeping||(p=f/l.totalContacts,l.positionImpulse.x+=u.x*d*p,l.positionImpulse.y+=u.y*d*p),c.isStatic||c.isSleeping||(p=f/c.totalContacts,c.positionImpulse.x-=u.x*d*p,c.positionImpulse.y-=u.y*d*p))},o.postSolvePosition=function(e){for(var t=o._positionWarming,n=e.length,r=i.translate,s=a.update,l=0;l<n;l++){var c=e[l],u=c.positionImpulse,p=u.x,d=u.y,f=c.velocity;if(c.totalContacts=0,0!==p||0!==d){for(var v=0;v<c.parts.length;v++){var m=c.parts[v];r(m.vertices,u),s(m.bounds,m.vertices,f),m.position.x+=p,m.position.y+=d}c.positionPrev.x+=p,c.positionPrev.y+=d,p*f.x+d*f.y<0?(u.x=0,u.y=0):(u.x*=t,u.y*=t)}}},o.preSolveVelocity=function(e){var t,n,o=e.length;for(t=0;t<o;t++){var i=e[t];if(i.isActive&&!i.isSensor){var r=i.contacts,a=i.contactCount,s=i.collision,l=s.parentA,c=s.parentB,u=s.normal,p=s.tangent;for(n=0;n<a;n++){var d=r[n],f=d.vertex,v=d.normalImpulse,m=d.tangentImpulse;if(0!==v||0!==m){var y=u.x*v+p.x*m,g=u.y*v+p.y*m;l.isStatic||l.isSleeping||(l.positionPrev.x+=y*l.inverseMass,l.positionPrev.y+=g*l.inverseMass,l.anglePrev+=l.inverseInertia*((f.x-l.position.x)*g-(f.y-l.position.y)*y)),c.isStatic||c.isSleeping||(c.positionPrev.x-=y*c.inverseMass,c.positionPrev.y-=g*c.inverseMass,c.anglePrev-=c.inverseInertia*((f.x-c.position.x)*g-(f.y-c.position.y)*y))}}}}},o.solveVelocity=function(e,t){var n,i,a,s,l=t/r._baseDelta,c=l*l*l,u=-o._restingThresh*l,p=o._restingThreshTangent,d=o._frictionNormalMultiplier*l,f=o._frictionMaxStatic,v=e.length;for(a=0;a<v;a++){var m=e[a];if(m.isActive&&!m.isSensor){var y=m.collision,g=y.parentA,x=y.parentB,h=y.normal.x,b=y.normal.y,S=y.tangent.x,w=y.tangent.y,A=m.inverseMass,P=m.friction*m.frictionStatic*d,B=m.contacts,M=m.contactCount,_=1/M,C=g.position.x-g.positionPrev.x,k=g.position.y-g.positionPrev.y,I=g.angle-g.anglePrev,T=x.position.x-x.positionPrev.x,R=x.position.y-x.positionPrev.y,D=x.angle-x.anglePrev;for(s=0;s<M;s++){var V=B[s],E=V.vertex,L=E.x-g.position.x,F=E.y-g.position.y,O=E.x-x.position.x,H=E.y-x.position.y,q=C-F*I-(T-H*D),U=k+L*I-(R+O*D),j=h*q+b*U,W=S*q+w*U,N=m.separation+j,G=Math.min(N,1),z=(G=N<0?0:G)*P;W<-z||W>z?(i=W>0?W:-W,(n=m.friction*(W>0?1:-1)*c)<-i?n=-i:n>i&&(n=i)):(n=W,i=f);var X=L*b-F*h,Q=O*b-H*h,Y=_/(A+g.inverseInertia*X*X+x.inverseInertia*Q*Q),Z=(1+m.restitution)*j*Y;if(n*=Y,j<u)V.normalImpulse=0;else{var $=V.normalImpulse;V.normalImpulse+=Z,V.normalImpulse>0&&(V.normalImpulse=0),Z=V.normalImpulse-$}if(W<-p||W>p)V.tangentImpulse=0;else{var K=V.tangentImpulse;V.tangentImpulse+=n,V.tangentImpulse<-i&&(V.tangentImpulse=-i),V.tangentImpulse>i&&(V.tangentImpulse=i),n=V.tangentImpulse-K}var J=h*Z+S*n,ee=b*Z+w*n;

1g.isStatic||g.isSleeping||(g.positionPrev.x+=J*g.inverseMass,g.positionPrev.y+=ee*g.inverseMass,g.anglePrev+=(L*ee-F*J)*g.inverseInertia),x.isStatic||x.isSleeping||(x.positionPrev.x-=J*x.inverseMass,x.positionPrev.y-=ee*x.inverseMass,x.anglePrev-=(O*ee-H*J)*x.inverseInertia)}}}}},function(e,t,n){var o={};e.exports=o;var i=n(9),r=n(0);o.create=function(e){return r.extend({table:{},list:[],collisionStart:[],collisionActive:[],collisionEnd:[]},e)},o.update=function(e,t,n){var o,r,a,s=i.update,l=i.create,c=i.setActive,u=e.table,p=e.list,d=p.length,f=d,v=e.collisionStart,m=e.collisionEnd,y=e.collisionActive,g=t.length,x=0,h=0,b=0;for(a=0;a<g;a++)(r=(o=t[a]).pair)?(r.isActive&&(y[b++]=r),s(r,o,n)):(u[(r=l(o,n)).id]=r,v[x++]=r,p[f++]=r);for(a=0,f=0,d=p.length;a<d;a++)(r=p[a]).timeUpdated>=n?p[f++]=r:(c(r,!1,n),r.collision.bodyA.sleepCounter>0&&r.collision.bodyB.sleepCounter>0?p[f++]=r:(m[h++]=r,delete u[r.id]));p.length!==f&&(p.length=f),v.length!==x&&(v.length=x),m.length!==h&&(m.length=h),y.length!==b&&(y.length=b)},o.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 o=e.exports=n(21);o.Axes=n(11),o.Bodies=n(12),o.Body=n(4),o.Bounds=n(1),o.Collision=n(8),o.Common=n(0),o.Composite=n(6),o.Composites=n(22),o.Constraint=n(10),o.C

1ontact=n(16),o.Detector=n(13),o.Engine=n(17),o.Events=n(5),o.Grid=n(23),o.Mouse=n(14),o.MouseConstraint=n(24),o.Pair=n(9),o.Pairs=n(19),o.Plugin=n(15),o.Query=n(25),o.Render=n(26),o.Resolver=n(18),o.Runner=n(27),o.SAT=n(28),o.Sleeping=n(7),o.Svg=n(29),o.Vector=n(2),o.Vertices=n(3),o.World=n(30),o.Engine.run=o.Runner.run,o.Common.deprecated(o.Engine,"run","Engine.run ➤ use Matter.Runner.run(engine) instead")},function(e,t,n){var o={};e.exports=o;var i=n(15),r=n(0);o.name="matter-js",o.version="0.20.0",o.uses=[],o.used=[],o.use=function(){i.use(o,Array.prototype.slice.call(arguments))},o.before=function(e,t){return e=e.replace(/^Matter./,""),r.chainPathBefore(o,e,t)},o.after=function(e,t){return e=e.replace(/^Matter./,""),r.chainPathAfter(o,e,t)}},function(e,t,n){var o={};e.exports=o;var i=n(6),r=n(10),a=n(0),s=n(4),l=n(12),c=a.deprecated;o.stack=function(e,t,n,o,r,a,l){for(var c,u=i.create({label:"Stack"}),p=e,d=t,f=0,v=0;v<o;v++){for(var m=0,y=0;y<n;y++){var g=l(p,d,y,v,c,f);if(g){var x=g.bounds.max.y-g.bounds.min.y,h=g.bounds.max.x-g.bounds.min.x;x>m&&(m=x),s.translate(g,{x:.5*h,y:.5*x}),p=g.bounds.max.x+r,i.addBody(u,g),c=g,f+=1}else p+=r}d+=m+a,p=e}return u},o.chain=function(e,t,n,o,s,l){for(var c=e.bodies,u=1;u<c.length;u++){var p=c[u-1],d=c[u],f=p.bounds.max.y-p.bounds.min.y,v=p.bounds.max.x-p.bounds.min.x,m=d.bounds.max.y-d.bounds.min.y,y=d.bounds.max.x-d.bounds.min.x,g={bodyA:p,pointA:{x:v*t,y:f*n},bodyB:d,pointB:{x:y*o,y:m*s}},x=a.extend(g,l);i.addConstraint(e,r.create(x))}return e.label+=" Chain",e},o.mesh=function(e,t,n,o,s){var l,c,u,p,d,f=e.bodies;for(l=0;l<n;l++){for(c=1;c<t;c++)u=f[c-1+l*t],p=f[c+l*t],i.addConstraint(e,r.create(a.extend({bodyA:u,bodyB:p},s)));if(l>0)for(c=0;c<t;c++)u=f[c+(l-1)*t],p=f[c+l*t],i.addConstraint(e,r.create(a.extend({bodyA:u,bodyB:p},s))),o&&c>0&&(d=f[c-1+(l-1)*t],i.addConstraint(e,r.create(a.extend({bodyA:d,bodyB:p},s)))),o&&c<t-1&&(d=f[c+1+(l-1)*t],i.addConstraint(e,r.create(a.extend({bodyA:d,bodyB:p},s))))}return e.label+=" Mesh",e},o.pyramid=function(e,t,n,i,r,a,l){return o.stack(e,t,n,i,r,a,function(t,o,a,c,u,p){var d=Math.min(i,Math.ceil(n/2)),f=u?u.bounds.max.x-u.bounds.min.x:0;if(!(c>d)){var v=c=d-c,m=n-1-c;if(!(a<v)&&!(a>m))return 1===p&&s.translate(u,{x:(a+(n%2==1?1:-1))*f,y:0}),l(e+(u?a*f:0)+a*r,o,a,c,u,p)}})},o.newtonsCradle=function(e,t,n,o,a){for(var s=i.create({label:"Newtons Cradle"}),c=0;c<n;c++){var u=l.circle(e+1.9*o*c,t+a,o,{inertia:1/0,restitution:1,friction:0,frictionAir:1e-4,slop:1}),p=r.create({pointA:{x:e+1.9*o*c,y:t},bodyB:u});i.addBody(s,u),i.addConstraint(s,p)}return s},c(o,"newtonsCradle","Composites.newtonsCradle ➤ moved to newtonsCradle example"),o.car=function(e,t,n,o,a){var c=s.nextGroup(!0),u=-(.5*n)+20,p=.5*n-20,d=i.create({label:"Car"}),f=l.rectangle(e,t,n,o,{collisionFilter:{group:c},chamfer:{radius:.5*o},density:2e-4}),v=l.circle(e+u,t+0,a,{collisionFilter:{group:c},friction:.8}),m=l.circle(e+p,t+0,a,{collisionFilter:{group:c},friction:.8}),y=r.create({bodyB:f,pointB:{x:u,y:0},bodyA:v,stiffness:1,length:0}),g=r.create({bodyB:f,pointB:{x:p,y:0},bodyA:m,stiffness:1,length:0});return i.addBody(d,f),i.addBody(d,v),i.addBody(d,m),i.addConstraint(d,y),i.addConstraint(d,g),d},c(o,"car","Composites.car ➤ moved to car example"),o.softBody=function(e,t,n,i,r,s,c,u,p,d){p=a.extend({inertia:1/0},p),d=a.extend({stiffness:.2,render:{type:"line",anchors:!1}},d);var f=o.stack(e,t,n,i,r,s,function(e,t){return l.circle(e,t,u,p)});return o.mesh(f,n,i,c,d),f.label="Soft Body",f},c(o,"softBody","Composites.softBody ➤ moved to softBody and cloth examples")},function(e,t,n){var o={};e.exports=o;var i=n(9),r=n(0),a=r.deprecated;o.create=function(e){return r.extend({buckets:{},pairs:{},pairsList:[],bucketWidth:48,bucketHeight:48},e)},o.update=function(e,t,n,i){var r,a,s,l,c,u=n.world,p=e.buckets,d=!1;for(r=0;r<t.length;r++){var f=t[r];if((!f.isSleeping||i)&&(!u.bounds||!(f.bounds.max.x<u.bounds.min.x)&&!(f.bounds.min.x>u.bounds.max.x)&&!(f.bounds.max.y<u.bounds.min.y)&&!(f.bounds.min.y>u.bounds.max.y))){var v=o._getRegion(e,f);

1if(!f.region||v.id!==f.region.id||i){(!f.region||i)&&(f.region=v);var m=o._regionUnion(v,f.region);for(a=m.startCol;a<=m.endCol;a++)for(s=m.startRow;s<=m.endRow;s++){l=p[c=o._getBucketId(a,s)];var y=a>=v.startCol&&a<=v.endCol&&s>=v.startRow&&s<=v.endRow,g=a>=f.region.startCol&&a<=f.region.endCol&&s>=f.region.startRow&&s<=f.region.endRow;!y&&g&&g&&l&&o._bucketRemoveBody(e,l,f),(f.region===v||y&&!g||i)&&(l||(l=o._createBucket(p,c)),o._bucketAddBody(e,l,f))}f.region=v,d=!0}}}d&&(e.pairsList=o._createActivePairsList(e))},a(o,"update","Grid.update ➤ replaced by Matter.Detector"),o.clear=function(e){e.buckets={},e.pairs={},e.pairsList=[]},a(o,"clear","Grid.clear ➤ replaced by Matter.Detector"),o._regionUnion=function(e,t){var n=Math.min(e.startCol,t.startCol),i=Math.max(e.endCol,t.endCol),r=Math.min(e.startRow,t.startRow),a=Math.max(e.endRow,t.endRow);return o._createRegion(n,i,r,a)},o._getRegion=function(e,t){var n=t.bounds,i=Math.floor(n.min.x/e.bucketWidth),r=Math.floor(n.max.x/e.bucketWidth),a=Math.floor(n.min.y/e.bucketHeight),s=Math.floor(n.max.y/e.bucketHeight);return o._createRegion(i,r,a,s)},o._createRegion=function(e,t,n,o){return{id:e+","+t+","+n+","+o,startCol:e,endCol:t,startRow:n,endRow:o}},o._getBucketId=function(e,t){return"C"+e+"R"+t},o._createBucket=function(e,t){return e[t]=[]},o._bucketAddBody=function(e,t,n){var o,r=e.pairs,a=i.id,s=t.length;for(o=0;o<s;o++){var l=t[o];if(n.id!==l.id&&(!n.isStatic||!l.isStatic)){var c=a(n,l),u=r[c];u?u[2]+=1:r[c]=[n,l,1]}}t.push(n)},o._bucketRemoveBody=function(e,t,n){var o,a=e.pairs,s=i.id;t.splice(r.indexOf(t,n),1);var l=t.length;for(o=0;o<l;o++){var c=a[s(n,t[o])];c&&(c[2]-=1)}},o._createActivePairsList=function(e){var t,n,o=e.pairs,i=r.keys(o),a=i.length,s=[];for(n=0;n<a;n++)(t=o[i[n]])[2]>0?s.push(t):delete o[i[n]];return s}},function(e,t,n){var o={};e.exports=o;var i=n(3),r=n(7),a=n(14),s=n(5),l=n(13),c=n(10),u=n(6),p=n(0),d=n(1);o.create=function(e,t){var n=(e?e.mouse:null)||(t?t.mouse:null);n||(e&&e.render&&e.render.canvas?n=a.create(e.render.canvas):t&&t.element?n=a.create(t.element):(n=a.create(),p.warn("MouseConstraint.create: options.mouse was undefined, options.element was undefined, may not function as expected")));var i=c.create({label:"Mouse Constraint",pointA:n.position,pointB:{x:0,y:0},length:.01,stiffness:.1,angularStiffness:1,render:{strokeStyle:"#90EE90",lineWidth:3}}),r={type:"mouseConstraint",mouse:n,element:null,body:null,constraint:i,collisionFilter:{category:1,mask:0xffffffff,group:0}},l=p.extend(r,t);return s.on(e,"beforeUpdate",function(){var t=u.allBodies(e.world);o.update(l,t),o._triggerEvents(l)}),l},o.update=function(e,t){var n=e.mouse,o=e.constraint,a=e.body;if(0===n.button){if(o.bodyB)r.set(o.bodyB,!1),o.pointA=n.position;else for(var c=0;c<t.length;c++)if(a=t[c],d.contains(a.bounds,n.position)&&l.canCollide(a.collisionFilter,e.collisionFilter))for(var u=+(a.parts.length>1);u<a.parts.length;u++){var p=a.parts[u];if(i.contains(p.vertices,n.position)){o.pointA=n.position,o.bodyB=e.body=a,o.pointB={x:n.position.x-a.position.x,y:n.position.y-a.position.y},o.angleB=a.angle,r.set(a,!1),s.trigger(e,"startdrag",{mouse:n,body:a});break}}}else o.bodyB=e.body=null,o.pointB=null,a&&s.trigger(e,"enddrag",{mouse:n,body:a})},o._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}),a.clearSourceEvents(t)}},function(e,t,n){var o={};e.exports=o;var i=n(2),r=n(8),a=n(1),s=n(12),l=n(3);o.collides=function(e,t){for(var n=[],o=t.length,i=e.bounds,s=r.collides,l=a.overlaps,c=0;c<o;c++){var u=t[c],p=u.parts.length,d=+(1!==p);if(l(u.bounds,i))for(var f=d;f<p;f++){var v=u.parts[f];if(l(v.bounds,i)){var m=s(v,e);if(m){n.push(m);break}}}}return n},o.ray=function(e,t,n,r){r=r||1e-100;for(var a=i.angle(t,n),l=i.magnitude(i.sub(t,n)),c=(n.x+t.x)*.5,u=(n.y+t.y)*.5,p=s.rectangle(c,u,l,r,{angle:a}),d=o.collides(p,e),f=0;f<d.length;f+=1){var v=d[f];v.body=v.bodyB=v.bodyA}return d},o.region=function(e,t,n){for(var o=[],i=0;i<e.length;

1i++){var r=e[i],s=a.overlaps(r.bounds,t);(s&&!n||!s&&n)&&o.push(r)}return o},o.point=function(e,t){for(var n=[],o=0;o<e.length;o++){var i=e[o];if(a.contains(i.bounds,t))for(var r=+(1!==i.parts.length);r<i.parts.length;r++){var s=i.parts[r];if(a.contains(s.bounds,t)&&l.contains(s.vertices,t)){n.push(i);break}}}return n}},function(e,t,n){var o,i,r,a,s,l,c,u,p={};e.exports=p;var d=n(4),f=n(0),v=n(6),m=n(1),y=n(5),g=n(2),x=n(14);"u">typeof window&&(o=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.msRequestAnimationFrame||function(e){window.setTimeout(function(){e(f.now())},1e3/60)},i=window.cancelAnimationFrame||window.mozCancelAnimationFrame||window.webkitCancelAnimationFrame||window.msCancelAnimationFrame),p._goodFps=30,p._goodDelta=1e3/60,p.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=f.extend(t,e);return n.canvas&&(n.canvas.width=n.options.width||n.canvas.width,n.canvas.height=n.options.height||n.canvas.height),n.mouse=e.mouse,n.engine=e.engine,n.canvas=n.canvas||s(n.options.width,n.options.height),n.context=n.canvas.getContext("2d"),n.textures={},n.bounds=n.bounds||{min:{x:0,y:0},max:{x:n.canvas.width,y:n.canvas.height}},n.controller=p,n.options.showBroadphase=!1,1!==n.options.pixelRatio&&p.setPixelRatio(n,n.options.pixelRatio),f.isElement(n.element)&&n.element.appendChild(n.canvas),n},p.run=function(e){!function t(n){e.frameRequestId=o(t),r(e,n),p.world(e,n),e.context.setTransform(e.options.pixelRatio,0,0,e.options.pixelRatio,0,0),(e.options.showStats||e.options.showDebug)&&p.stats(e,e.context,n),(e.options.showPerformance||e.options.showDebug)&&p.performance(e,e.context,n),e.context.setTransform(1,0,0,1,0,0)}()},p.stop=function(e){i(e.frameRequestId)},p.setPixelRatio=function(e,t){var n=e.options,o=e.canvas;"auto"===t&&(t=l(o)),n.pixelRatio=t,o.setAttribute("data-pixel-ratio",t),o.width=n.width*t,o.height=n.height*t,o.style.width=n.width+"px",o.style.height=n.height+"px"},p.setSize=function(e,t,n){e.options.width=t,e.options.height=n,e.bounds.max.x=e.bounds.min.x+t,e.bounds.max.y=e.bounds.min.y+n,1!==e.options.pixelRatio?p.setPixelRatio(e,e.options.pixelRatio):(e.canvas.width=t,e.canvas.height=n)},p.lookAt=function(e,t,n,o){o=void 0===o||o,t=f.isArray(t)?t:[t],n=n||{x:0,y:0};for(var i={min:{x:1/0,y:1/0},max:{x:-1/0,y:-1/0}},r=0;r<t.length;r+=1){var a=t[r],s=a.bounds?a.bounds.min:a.min||a.position||a,l=a.bounds?a.bounds.max:a.max||a.position||a;s&&l&&(s.x<i.min.x&&(i.min.x=s.x),l.x>i.max.x&&(i.max.x=l.x),s.y<i.min.y&&(i.min.y=s.y),l.y>i.max.y&&(i.max.y=l.y))}var c=i.max.x-i.min.x+2*n.x,u=i.max.y-i.min.y+2*n.y,p=e.canvas.height,d=e.canvas.width/p,v=c/u,m=1,y=1;v>d?y=v/d:m=d/v,e.options.hasBounds=!0,e.bounds.min.x=i.min.x,e.bounds.max.x=i.min.x+c*m,e.bounds.min.y=i.min.y,e.bounds.max.y=i.min.y+u*y,o&&(e.bounds.min.x+=.5*c-c*m*.5,e.bounds.max.x+=.5*c-c*m*.5,e.bounds.min.y+=.5*u-u*y*.5,e.bounds.max.y+=.5*u-u*y*.5),e.bounds.min.x-=n.x,e.bounds.max.x-=n.x,e.bounds.min.y-=n.y,e.bounds.max.y-=n.y,e.mouse&&(x.setScale(e.mouse,{x:(e.bounds.max.x-e.bounds.min.x)/e.canvas.width,y:(e.bounds.max.y-e.bounds.min.y)/e.canvas.height}),x.setOffset(e.mouse,e.bounds.min))},p.startViewTransform=function(e){var t=e.bounds.max.x-e.bounds.min.x,n=e.bounds.max.y-e.bounds.min.y,o=t/e.options.width,i=n/e.options.height;e.context.setTransform(e.options.pixelRatio/o,0,0,e.options.pixelRatio/i,0,0),e.context.translate(-e.bounds.min.x,-e.bounds.min.y)},p.endViewTransform=function(e){e.context.setTransform(e.options.pixelRatio,0,0,e.options.pixelRatio,0,0)},p.world=function(e,t){var n,o=f.now(),i=e.engine,r=i.world,a=e.canvas,s=e.context,l=e.options,c=e.timing,d=v.allBodies(r),h=v.allConstraints(r),b=l.wireframes?l.wireframeBackgroun

1d:l.background,S=[],w=[],A={timestamp:i.timing.timestamp};if(y.trigger(e,"beforeRender",A),e.currentBackground!==b&&u(e,b),s.globalCompositeOperation="source-in",s.fillStyle="transparent",s.fillRect(0,0,a.width,a.height),s.globalCompositeOperation="source-over",l.hasBounds){for(n=0;n<d.length;n++){var P=d[n];m.overlaps(P.bounds,e.bounds)&&S.push(P)}for(n=0;n<h.length;n++){var B=h[n],M=B.bodyA,_=B.bodyB,C=B.pointA,k=B.pointB;M&&(C=g.add(M.position,B.pointA)),_&&(k=g.add(_.position,B.pointB)),C&&k&&(m.contains(e.bounds,C)||m.contains(e.bounds,k))&&w.push(B)}p.startViewTransform(e),e.mouse&&(x.setScale(e.mouse,{x:(e.bounds.max.x-e.bounds.min.x)/e.options.width,y:(e.bounds.max.y-e.bounds.min.y)/e.options.height}),x.setOffset(e.mouse,e.bounds.min))}else w=h,S=d,1!==e.options.pixelRatio&&e.context.setTransform(e.options.pixelRatio,0,0,e.options.pixelRatio,0,0);!l.wireframes||i.enableSleeping&&l.showSleeping?p.bodies(e,S,s):(l.showConvexHulls&&p.bodyConvexHulls(e,S,s),p.bodyWireframes(e,S,s)),l.showBounds&&p.bodyBounds(e,S,s),(l.showAxes||l.showAngleIndicator)&&p.bodyAxes(e,S,s),l.showPositions&&p.bodyPositions(e,S,s),l.showVelocity&&p.bodyVelocity(e,S,s),l.showIds&&p.bodyIds(e,S,s),l.showSeparations&&p.separations(e,i.pairs.list,s),l.showCollisions&&p.collisions(e,i.pairs.list,s),l.showVertexNumbers&&p.vertexNumbers(e,S,s),l.showMousePosition&&p.mousePosition(e,e.mouse,s),p.constraints(w,s),l.hasBounds&&p.endViewTransform(e),y.trigger(e,"afterRender",A),c.lastElapsed=f.now()-o},p.stats=function(e,t,n){for(var o=e.engine,i=o.world,r=v.allBodies(i),a=0,s=0,l=0;l<r.length;l+=1)a+=r[l].parts.length;var c={Part:a,Body:r.length,Cons:v.allConstraints(i).length,Comp:v.allComposites(i).length,Pair:o.pairs.list.length};for(var u in t.fillStyle="#0e0f19",t.fillRect(s,0,302.5,44),t.font="12px Arial",t.textBaseline="top",t.textAlign="right",c){var p=c[u];t.fillStyle="#aaa",t.fillText(u,s+55,8),t.fillStyle="#eee",t.fillText(p,s+55,26),s+=55}},p.performance=function(e,t){var n=e.engine,o=e.timing,i=o.deltaHistory,r=o.elapsedHistory,s=o.timestampElapsedHistory,l=o.engineDeltaHistory,c=o.engineUpdatesHistory,u=o.engineElapsedHistory,d=n.timing.lastUpdatesPerFrame,v=n.timing.lastDelta,m=a(i),y=a(r),g=a(l),x=a(c),h=a(u),b=a(s)/m||0,S=Math.round(m/v),w=1e3/m||0;t.fillStyle="#0e0f19",t.fillRect(0,50,442,34),p.status(t,10,69,60,4,i.length,Math.round(w)+" fps",w/p._goodFps,function(e){return i[e]/m-1}),p.status(t,82,69,60,4,l.length,v.toFixed(2)+" dt",p._goodDelta/v,function(e){return l[e]/g-1}),p.status(t,154,69,60,4,c.length,d+" upf",Math.pow(f.clamp(x/S||1,0,1),4),function(e){return c[e]/x-1}

1),p.status(t,226,69,60,4,u.length,h.toFixed(2)+" ut",1-d*h/p._goodFps,function(e){return u[e]/h-1}),p.status(t,298,69,60,4,r.length,y.toFixed(2)+" rt",1-y/p._goodFps,function(e){return r[e]/y-1}),p.status(t,370,69,60,4,s.length,b.toFixed(2)+" x",b*b*b,function(e){return(s[e]/i[e]/b||0)-1})},p.status=function(e,t,n,o,i,r,a,s,l){e.strokeStyle="#888",e.fillStyle="#444",e.lineWidth=1,e.fillRect(t,n+7,o,1),e.beginPath(),e.moveTo(t,n+7-i*f.clamp(.4*l(0),-2,2));for(var c=0;c<o;c+=1)e.lineTo(t+c,n+7-(c<r?i*f.clamp(.4*l(c),-2,2):0));e.stroke(),e.fillStyle="hsl("+f.clamp(25+95*s,0,120)+",100%,60%)",e.fillRect(t,n-7,4,4),e.font="12px Arial",e.textBaseline="middle",e.textAlign="right",e.fillStyle="#eee",e.fillText(a,t+o,n-5)},p.constraints=function(e,t){for(var n=0;n<e.length;n++){var o=e[n];if(o.render.visible&&o.pointA&&o.pointB){var i,r,a=o.bodyA,s=o.bodyB;if(i=a?g.add(a.position,o.pointA):o.pointA,"pin"===o.render.type)t.beginPath(),t.arc(i.x,i.y,3,0,2*Math.PI),t.closePath();else{if(r=s?g.add(s.position,o.pointB):o.pointB,t.beginPath(),t.moveTo(i.x,i.y),"spring"===o.render.type)for(var l,c=g.sub(r,i),u=g.perp(g.normalise(c)),p=Math.ceil(f.clamp(o.length/5,12,20)),d=1;d<p;d+=1)l=d%2==0?1:-1,t.lineTo(i.x+c.x*(d/p)+u.x*l*4,i.y+c.y*(d/p)+u.y*l*4);t.lineTo(r.x,r.y)}o.render.lineWidth&&(t.lineWidth=o.render.lineWidth,t.strokeStyle=o.render.strokeStyle,t.stroke()),o.render.anchors&&(t.fillStyle=o.render.strokeStyle,t.beginPath(),t.arc(i.x,i.y,3,0,2*Math.PI),t.arc(r.x,r.y,3,0,2*Math.PI),t.closePath(),t.fill())}}},p.bodies=function(e,t,n){e.engine;var o,i,r,a,s=e.options,l=s.showInternalEdges||!s.wireframes;for(r=0;r<t.length;r++)if((o=t[r]).render.visible){for(a=+(o.parts.length>1);a<o.parts.length;a++)if((i=o.parts[a]).render.visible){if(s.showSleeping&&o.isSleeping?n.globalAlpha=.5*i.render.opacity:1!==i.render.opacity&&(n.globalAlpha=i.render.opacity),i.render.sprite&&i.render.sprite.texture&&!s.wireframes){var u=i.render.sprite,p=c(e,u.texture);n.translate(i.position.x,i.position.y),n.rotate(i.angle),n.drawImage(p,-(p.width*u.xOffset)*u.xScale,-(p.height*u.yOffset)*u.yScale,p.width*u.xScale,p.height*u.yScale),n.rotate(-i.angle),n.translate(-i.position.x,-i.position.y)}else{if(i.circleRadius)n.beginPath(),n.arc(i.position.x,i.position.y,i.circleRadius,0,2*Math.PI);else{n.beginPath(),n.moveTo(i.vertices[0].x,i.vertices[0].y);for(var d=1;d<i.vertices.length;d++)!i.vertices[d-1].isInternal||l?n.lineTo(i.vertices[d].x,i.vertices[d].y):n.moveTo(i.vertices[d].x,i.vertices[d].y),i.vertices[d].isInternal&&!l&&n.moveTo(i.vertices[(d+1)%i.vertices.length].x,i.vertices[(d+1)%i.vertices.length].y);n.lineTo(i.vertices[0].x,i.vertices[0].y),n.closePath()}s.wireframes?(n.lineWidth=1,n.strokeStyle=e.options.wireframeStrokeStyle,n.stroke()):(n.fillStyle=i.render.fillStyle,i.render.lineWidth&&(n.lineWidth=i.render.lineWidth,n.strokeStyle=i.render.strokeStyle,n.stroke()),n.fill())}n.globalAlpha=1}}},p.bodyWireframes=function(e,t,n){var o,i,r,a,s,l=e.options.showInternalEdges;for(n.beginPath(),r=0;r<t.length;r++)if((o=t[r]).render.visible)for(s=+(o.parts.length>1);s<o.parts.length;s++){for(i=o.parts[s],n.moveTo(i.vertices[0].x,i.vertices[0].y),a=1;a<i.vertices.length;a++)!i.vertices[a-1].isInternal||l?n.lineTo(i.vertices[a].x,i.vertices[a].y):n.moveTo(i.vertices[a].x,i.vertices[a].y),i.vertices[a].isInternal&&!l&&n.moveTo(i.vertices[(a+1)%i.vertices.length].x,i.vertices[(a+1)%i.vertices.length].y);n.lineTo(i.vertices[0].x,i.vertices[0].y)}n.lineWidth=1,n.strokeStyle=e.options.wireframeStrokeStyle,n.stroke()},p.bodyConvexHulls=function(e,t,n){var o,i,r;for(n.beginPath(),i=0;i<t.length;i++)if((o=t[i]).render.visible&&1!==o.parts.length){for(n.moveTo(o.vertices[0].x,o.vertices[0].y),r=1;r<o.vertices.length;r++)n.lineTo(o.vertices[r].x,o.vertices[r].y);n.lineTo(o.vertices[0].x,o.vertices[0].y)}n.lineWidth=1,n.strokeStyle="rgba(255,255,255,0.2)",n.stroke()},p.vertexNumbers=function(e,t,n){var o,i,r;for(o=0;o<t.length;o++){var a=t[o].parts;for(r=+(a.length>1);r<a.length;r++){var s=a[r];for(i=0;i<s.vertices.length;i++)n.fillStyle="rgba(255,255,255,0.2)",n.fillText(o+"_"+i,s.position.x+(s.vertices[i].x-s.position.x)*.8,s.position.y+(s.vertices[i].y-s.position.y)*.8)}}},p.mousePosition=function(e,t,n){n.fillStyle="rgba(255,255,255,0.8)",

1n.fillText(t.position.x+"  "+t.position.y,t.position.x+5,t.position.y-5)},p.bodyBounds=function(e,t,n){e.engine;var o=e.options;n.beginPath();for(var i=0;i<t.length;i++)if(t[i].render.visible)for(var r=t[i].parts,a=+(r.length>1);a<r.length;a++){var s=r[a];n.rect(s.bounds.min.x,s.bounds.min.y,s.bounds.max.x-s.bounds.min.x,s.bounds.max.y-s.bounds.min.y)}o.wireframes?n.strokeStyle="rgba(255,255,255,0.08)":n.strokeStyle="rgba(0,0,0,0.1)",n.lineWidth=1,n.stroke()},p.bodyAxes=function(e,t,n){e.engine;var o,i,r,a,s=e.options;for(n.beginPath(),i=0;i<t.length;i++){var l=t[i],c=l.parts;if(l.render.visible)if(s.showAxes)for(r=+(c.length>1);r<c.length;r++)for(a=0,o=c[r];a<o.axes.length;a++){var u=o.axes[a];n.moveTo(o.position.x,o.position.y),n.lineTo(o.position.x+20*u.x,o.position.y+20*u.y)}else for(r=+(c.length>1);r<c.length;r++)for(a=0,o=c[r];a<o.axes.length;a++)n.moveTo(o.position.x,o.position.y),n.lineTo((o.vertices[0].x+o.vertices[o.vertices.length-1].x)/2,(o.vertices[0].y+o.vertices[o.vertices.length-1].y)/2)}s.wireframes?(n.strokeStyle="indianred",n.lineWidth=1):(n.strokeStyle="rgba(255, 255, 255, 0.4)",n.globalCompositeOperation="overlay",n.lineWidth=2),n.stroke(),n.globalCompositeOperation="source-over"},p.bodyPositions=function(e,t,n){e.engine;var o,i,r,a,s=e.options;for(n.beginPath(),r=0;r<t.length;r++)if((o=t[r]).render.visible)for(a=0;a<o.parts.length;a++)i=o.parts[a],n.arc(i.position.x,i.position.y,3,0,2*Math.PI,!1),n.closePath();for(s.wireframes?n.fillStyle="indianred":n.fillStyle="rgba(0,0,0,0.5)",n.fill(),n.beginPath(),r=0;r<t.length;r++)(o=t[r]).render.visible&&(n.arc(o.positionPrev.x,o.positionPrev.y,2,0,2*Math.PI,!1),n.closePath());n.fillStyle="rgba(255,165,0,0.8)",n.fill()},p.bodyVelocity=function(e,t,n){n.beginPath();for(var o=0;o<t.length;o++){var i=t[o];if(i.render.visible){var r=d.getVelocity(i);n.moveTo(i.position.x,i.position.y),n.lineTo(i.position.x+r.x,i.position.y+r.y)}}n.lineWidth=3,n.strokeStyle="cornflowerblue",n.stroke()},p.bodyIds=function(e,t,n){var o,i;for(o=0;o<t.length;o++)if(t[o].render.visible){var r=t[o].parts;for(i=+(r.length>1);i<r.length;i++){var a=r[i];n.font="12px Arial",n.fillStyle="rgba(255,255,255,0.5)",n.fillText(a.id,a.position.x+10,a.position.y-10)}}},p.collisions=function(e,t,n){var o,i,r,a,s=e.options;for(n.beginPath(),r=0;r<t.length;r++)if((o=t[r]).isActive)for(a=0,i=o.collision;a<o.contactCount;a++){var l=o.contacts[a].vertex;n.rect(l.x-1.5,l.y-1.5,3.5,3.5)}for(s.wireframes?n.fillStyle="rgba(255,255,255,0.7)":n.fillStyle="orange",n.fill(),n.beginPath(),r=0;r<t.length;r++)if((o=t[r]).isActive&&(i=o.collision,o.contactCount>0)){var c=o.contacts[0].vertex.x,u=o.contacts[0].vertex.y;2===o.contactCount&&(c=(o.contacts[0].vertex.x+o.contacts[1].vertex.x)/2,u=(o.contacts[0].vertex.y+o.contacts[1].vertex.y)/2),i.bodyB===i.supports[0].body||!0===i.bodyA.isStatic?n.moveTo(c-8*i.normal.x,u-8*i.normal.y):n.moveTo(c+8*i.normal.x,u+8*i.normal.y),n.lineTo(c,u)}s.wireframes?n.strokeStyle="rgba(255,165,0,0.7)":n.strokeStyle="orange",n.lineWidth=1,n.stroke()},p.separations=function(e,t,n){var o,i,r,a,s,l=e.options;for(n.beginPath(),s=0;s<t.length;s++)if((o=t[s]).isActive){r=(i=o.collision).bodyA;var c=1;(a=i.bodyB).isStatic||r.isStatic||(c=.5),a.isStatic&&(c=0),n.moveTo(a.position.x,a.position.y),n.lineTo(a.position.x-i.penetration.x*c,a.position.y-i.penetration.y*c),c=1,a.isStatic||r.isStatic||(c=.5),r.isStatic&&(c=0),n.moveTo(r.position.x,r.position.y),n.lineTo(r.position.x+i.penetration.x*c,r.position.y+i.penetration.y*c)}l.wireframes?n.strokeStyle="rgba(255,165,0,0.5)":n.strokeStyle="orange",n.stroke()},p.inspector=function(e,t){e.engine;var n,o=e.selected,i=e.render,r=i.options;if(r.hasBounds){var a=i.bounds.max.x-i.bounds.min.x,s=i.bounds.max.y-i.bounds.min.y,l=a/i.options.width,c=s/i.options.height;t.scale(1/l,1/c),t.translate(-i.bounds.min.x,-i.bounds.min.y)}for(var u=0;u<o.length;u++){var p=o[u].data;switch(t.translate(.5,.5),t.lineWidth=1,t.strokeStyle="rgba(255,165,0,0.9)",t.setLineDash([1,2]),p.type){case"body":n=p.bounds,t.beginPath(),t.rect(Math.floor(n.min.x-3),Math.floor(n.min.y-3),Math.floor(n.max.x-n.min.x+6),Math.floor(n.max.y-n.min.y+6)),t.closePath(),t.stroke();break;case"constraint":var d=p.pointA;p.bodyA&&(d=p.pointB),t.beginPath(),t.arc(d.x,d.y,10,0,2*Math.PI),t.closePath(),t.stroke()}t.setLineDash([]),t.translate(-.5,-.5)}null!==e.selectStart&&(t.translate(.5,.5),t.lineWidth=1,t.strokeStyle="rgba(255,165,0,0.6)",t.fillStyle="rgba(255,165,0,0.1)",n=e.selectBounds,t.beginPath(),t.rect(Math.floor(n.min.x),Math.floor(n.min.y),Math.floor(n.max.x-n.min.x),Math.floor(n.max.y-n.min.y)),t.closePath(),t.stroke(),t.fill(),t.translate(-.5,-.5)),r.hasBounds&&t.setTransform(1,0,0,1,0,0)},r=function(e,t){var n=e.engine,o=e.timing,i=o.historySize,r=n.timing.timestamp;o.delta=t-o.lastTime||p._goodDelta,o.lastTime=t,o.timestampElapsed=r-o.lastTimestamp||0,o.lastTimestamp=r,o.deltaHistory.unshift(o.delta),o.deltaHistory.length=Math.min(o.deltaHistory.length,i),o.engineDeltaHistory.unshift(n.timing.lastDelta),o.engineDeltaHistory.length=Math.min(o.engineDeltaHistory.length,i),o.timestampElapsedHistory.unshift(o.timestampElapsed),o.timestampElapsedHistory.length=Math.min(o.timestampElapsedHistory.length,i),o.engineUpdatesHistory.unshift(n.timing.lastUpdatesPerFrame),o.engineUpdatesHistory.length=Math.min(o.engineUpdatesHistory.length,i),o.engineElapsedHistory.unshift(n.timing.lastElapsed),o.engineElapsedHistory.length=Math.min(o.engineElapsedHistory.length,i),o.elapsedHistory.unshift(o.lastElapsed),o.elapsedHistory.length=Math.min(o.elapsedHistory.length,i)},a=function(e){for(var t=0,n=0;n<e.length;n+=1)t+=e[n];return t/e.length||0},s=function(e,t){var n=document.createElement("canvas");return 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