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liabru-matter-js/build/matter.min.js
liabru 2ab20b0656 updated edge build
2015-07-05 15:57:31 +01:00

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/**
* matter.min.js edge-master 2015-07-05
* http://brm.io/matter-js/
* License: MIT
*/
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j=g.parts.length>1?1:0;j<g.parts.length;j++)for(var k=g.parts[j],m=i.parts.length>1?1:0;m<i.parts.length;m++){var n=i.parts[m];if(k===g&&n===i||x.overlaps(k.bounds,n.bounds)){var o,p=h.id(k,n),q=d[p];o=q&&q.isActive?q.collision:null;var r=l.collides(k,n,o);r.collided&&c.push(r)}}}return c},f.bruteForce=function(a,b){for(var c=[],d=b.pairs.table,e=0;e<a.length;e++)for(var g=e+1;g<a.length;g++){var i=a[e],j=a[g];if((!i.isStatic&&!i.isSleeping||!j.isStatic&&!j.isSleeping)&&f.canCollide(i.collisionFilter,j.collisionFilter)&&x.overlaps(i.bounds,j.bounds)){var k,m=h.id(i,j),n=d[m];k=n&&n.isActive?n.collision:null;var o=l.collides(i,j,k);o.collided&&c.push(o)}}return c},f.canCollide=function(a,b){return a.group===b.group&&0!==a.group?a.group>0:0!==(a.mask&b.category)&&0!==(b.mask&a.category)}}();var g={};!function(){g.create=function(a){var b={controller:g,detector:f.collisions,buckets:{},pairs:{},pairsList:[],bucketWidth:48,bucketHeight:48};return 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d=b.bounds,e=Math.floor(d.min.x/a.bucketWidth),f=Math.floor(d.max.x/a.bucketWidth),g=Math.floor(d.min.y/a.bucketHeight),h=Math.floor(d.max.y/a.bucketHeight);return c(e,f,g,h)},c=function(a,b,c,d){return{id:a+","+b+","+c+","+d,startCol:a,endCol:b,startRow:c,endRow:d}},d=function(a,b){return a+","+b},e=function(a,b){var c=a[b]=[];return c},i=function(a,b,c){for(var d=0;d<b.length;d++){var e=b[d];if(!(c.id===e.id||c.isStatic&&e.isStatic)){var f=h.id(c,e),g=a.pairs[f];g?g[2]+=1:a.pairs[f]=[c,e,1]}}b.push(c)},j=function(a,b,c){b.splice(o.indexOf(b,c),1);for(var d=0;d<b.length;d++){var e=b[d],f=h.id(c,e),g=a.pairs[f];g&&(g[2]-=1)}},k=function(a){var b,c,d=[];b=o.keys(a.pairs);for(var e=0;e<b.length;e++)c=a.pairs[b[e]],c[2]>0?d.push(c):delete a.pairs[b[e]];return d}}();var h={};!function(){h.create=function(a,b){var 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e=a[d];if(x.contains(e.bounds,b))for(var f=1===e.parts.length?0:1;f<e.parts.length;f++){var g=e.parts[f];if(x.contains(g.bounds,b)&&A.contains(g.vertices,b)){c.push(e);break}}}return c}}();var k={};!function(){k._restingThresh=4,k._positionDampen=.9,k._positionWarming=.8,k._frictionNormalMultiplier=5,k.preSolvePosition=function(a){var b,c,d;for(b=0;b<a.length;b++)c=a[b],c.isActive&&(d=c.activeContacts.length,c.collision.parentA.totalContacts+=d,c.collision.parentB.totalContacts+=d)},k.solvePosition=function(a,b){var c,d,e,f,g,h,i,j,l,m=z._temp[0],n=z._temp[1],o=z._temp[2],p=z._temp[3];for(c=0;c<a.length;c++)d=a[c],d.isActive&&(e=d.collision,f=e.parentA,g=e.parentB,h=e.normal,i=z.sub(z.add(g.positionImpulse,g.position,m),z.add(f.positionImpulse,z.sub(g.position,e.penetration,n),o),p),d.separation=z.dot(h,i));for(c=0;c<a.length;c++)d=a[c],!d.isActive||d.separation<0||(e=d.collision,f=e.parentA,g=e.parentB,h=e.normal,l=(d.separation-d.slop)*b,(f.isStatic||g.isStatic)&&(l*=2),f.isStatic||f.isSleeping||(j=k._positionDampen/f.totalContacts,f.positionImpulse.x+=h.x*l*j,f.positionImpulse.y+=h.y*l*j),g.isStatic||g.isSleeping||(j=k._positionDampen/g.totalContacts,g.positionImpulse.x-=h.x*l*j,g.positionImpulse.y-=h.y*l*j))},k.postSolvePosition=function(a){for(var b=0;b<a.length;b++){var c=a[b];if(c.totalContacts=0,0!==c.positionImpulse.x||0!==c.positionImpulse.y){for(var d=0;d<c.parts.length;d++){var e=c.parts[d];A.translate(e.vertices,c.positionImpulse),x.update(e.bounds,e.vertices,c.velocity),e.position.x+=c.positionImpulse.x,e.position.y+=c.positionImpulse.y}c.positionPrev.x+=c.positionImpulse.x,c.positionPrev.y+=c.positionImpulse.y,z.dot(c.positionImpulse,c.velocity)<0?(c.positionImpulse.x=0,c.positionImpulse.y=0):(c.positionImpulse.x*=k._positionWarming,c.positionImpulse.y*=k._positionWarming)}}},k.preSolveVelocity=function(a){var b,c,d,e,f,g,h,i,j,k,l,m,n,o,p=z._temp[0],q=z._temp[1];for(b=0;b<a.length;b++)if(d=a[b],d.isActive)for(e=d.activeContacts,f=d.collision,g=f.parentA,h=f.parentB,i=f.normal,j=f.tangent,c=0;c<e.length;c++)k=e[c],l=k.vertex,m=k.normalImpulse,n=k.tangentImpulse,(0!==m||0!==n)&&(p.x=i.x*m+j.x*n,p.y=i.y*m+j.y*n,g.isStatic||g.isSleeping||(o=z.sub(l,g.position,q),g.positionPrev.x+=p.x*g.inverseMass,g.positionPrev.y+=p.y*g.inverseMass,g.anglePrev+=z.cross(o,p)*g.inverseInertia),h.isStatic||h.isSleeping||(o=z.sub(l,h.position,q),h.positionPrev.x-=p.x*h.inverseMass,h.positionPrev.y-=p.y*h.inverseMass,h.anglePrev-=z.cross(o,p)*h.inverseInertia))},k.solveVelocity=function(a,b){for(var c=b*b,d=z._temp[0],e=z._temp[1],f=z._temp[2],g=z._temp[3],h=z._temp[4],i=z._temp[5],j=0;j<a.length;j++){var l=a[j];if(l.isActive){var m=l.collision,n=m.parentA,p=m.parentB,q=m.normal,r=m.tangent,s=l.activeContacts,t=1/s.length;n.velocity.x=n.position.x-n.positionPrev.x,n.velocity.y=n.position.y-n.positionPrev.y,p.velocity.x=p.position.x-p.positionPrev.x,p.velocity.y=p.position.y-p.positionPrev.y,n.angularVelocity=n.angle-n.anglePrev,p.angularVelocity=p.angle-p.anglePrev;for(var u=0;u<s.length;u++){var v=s[u],w=v.vertex,x=z.sub(w,n.position,e),y=z.sub(w,p.position,f),A=z.add(n.velocity,z.mult(z.perp(x),n.angularVelocity),g),B=z.add(p.velocity,z.mult(z.perp(y),p.angularVelocity),h),C=z.sub(A,B,i),D=z.dot(q,C),E=z.dot(r,C),F=Math.abs(E),G=o.sign(E),H=(1+l.restitution)*D,I=o.clamp(l.separation+D,0,1)*k._frictionNormalMultiplier,J=E,K=1/0;F>l.friction*l.frictionStatic*I*c&&(J=l.friction*G*c,K=F);var L=z.cross(x,q),M=z.cross(y,q),N=n.inverseMass+p.inverseMass+n.inverseInertia*L*L+p.inverseInertia*M*M;if(H*=t/N,J*=t/(1+N),0>D&&D*D>k._restingThresh*c)v.normalImpulse=0,v.tangentImpulse=0;else{var 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i.collided=!1,i;if(g=a(d.vertices,b.vertices,d.axes),g.overlap<=0)return i.collided=!1,i;f.overlap<g.overlap?(h=f,i.axisBody=b):(h=g,i.axisBody=d),i.axisNumber=h.axisNumber}i.bodyA=b.id<d.id?b:d,i.bodyB=b.id<d.id?d:b,i.collided=!0,i.normal=h.axis,i.depth=h.overlap,i.parentA=i.bodyA.parent,i.parentB=i.bodyB.parent,b=i.bodyA,d=i.bodyB,z.dot(i.normal,z.sub(d.position,b.position))>0&&(i.normal=z.neg(i.normal)),i.tangent=z.perp(i.normal),i.penetration={x:i.normal.x*i.depth,y:i.normal.y*i.depth};var r=c(b,d,i.normal),s=i.supports||[];if(s.length=0,A.contains(b.vertices,r[0])&&s.push(r[0]),A.contains(b.vertices,r[1])&&s.push(r[1]),s.length<2){var t=c(d,b,z.neg(i.normal));A.contains(d.vertices,t[0])&&s.push(t[0]),s.length<2&&A.contains(d.vertices,t[1])&&s.push(t[1])}return s.length<1&&(s=[r[0]]),i.supports=s,i};var a=function(a,c,d){for(var e,f,g=z._temp[0],h=z._temp[1],i={overlap:Number.MAX_VALUE},j=0;j<d.length;j++){if(f=d[j],b(g,a,f),b(h,c,f),e=Math.min(g.max-h.min,h.max-g.min),0>=e)return 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c.render=o.extend(g,c.render),c.id=c.id||o.nextId(),c.label=c.label||"Constraint",c.type="constraint",c.stiffness=c.stiffness||1,c.angularStiffness=c.angularStiffness||0,c.angleA=c.bodyA?c.bodyA.angle:c.angleA,c.angleB=c.bodyB?c.bodyB.angle:c.angleB,c},m.solveAll=function(a,b){for(var c=0;c<a.length;c++)m.solve(a[c],b)},m.solve=function(c,d){var e=c.bodyA,f=c.bodyB,g=c.pointA,h=c.pointB;e&&!e.isStatic&&(c.pointA=z.rotate(g,e.angle-c.angleA),c.angleA=e.angle),f&&!f.isStatic&&(c.pointB=z.rotate(h,f.angle-c.angleB),c.angleB=f.angle);var i=g,j=h;if(e&&(i=z.add(e.position,g)),f&&(j=z.add(f.position,h)),i&&j){var k=z.sub(i,j),l=z.magnitude(k);0===l&&(l=a);var m=(l-c.length)/l,n=z.div(k,l),p=z.mult(k,.5*m*c.stiffness*d*d);if(!(Math.abs(1-l/c.length)<b*d)){var q,r,s,u,v,w,x,y;e&&!e.isStatic?(s={x:i.x-e.position.x+p.x,y:i.y-e.position.y+p.y},e.velocity.x=e.position.x-e.positionPrev.x,e.velocity.y=e.position.y-e.positionPrev.y,e.angularVelocity=e.angle-e.anglePrev,q=z.add(e.velocity,z.mult(z.perp(s),e.angularVelocity)),v=z.dot(s,n),x=e.inverseMass+e.inverseInertia*v*v):(q={x:0,y:0},x=e?e.inverseMass:0),f&&!f.isStatic?(u={x:j.x-f.position.x-p.x,y:j.y-f.position.y-p.y},f.velocity.x=f.position.x-f.positionPrev.x,f.velocity.y=f.position.y-f.positionPrev.y,f.angularVelocity=f.angle-f.anglePrev,r=z.add(f.velocity,z.mult(z.perp(u),f.angularVelocity)),w=z.dot(u,n),y=f.inverseMass+f.inverseInertia*w*w):(r={x:0,y:0},y=f?f.inverseMass:0);var A=z.sub(r,q),B=z.dot(n,A)/(x+y);B>0&&(B=0);var C,D={x:n.x*B,y:n.y*B};e&&!e.isStatic&&(C=z.cross(s,D)*e.inverseInertia*(1-c.angularStiffness),t.set(e,!1),C=o.clamp(C,-.01,.01),e.constraintImpulse.x-=p.x,e.constraintImpulse.y-=p.y,e.constraintImpulse.angle+=C,e.position.x-=p.x,e.position.y-=p.y,e.angle+=C),f&&!f.isStatic&&(C=z.cross(u,D)*f.inverseInertia*(1-c.angularStiffness),t.set(f,!1),C=o.clamp(C,-.01,.01),f.constraintImpulse.x+=p.x,f.constraintImpulse.y+=p.y,f.constraintImpulse.angle-=C,f.position.x+=p.x,f.position.y+=p.y,f.angle-=C)}}},m.postSolveAll=function(a){for(var b=0;b<a.length;b++){for(var c=a[b],d=c.constraintImpulse,e=0;e<c.parts.length;e++){var f=c.parts[e];A.translate(f.vertices,d),e>0&&(f.position.x+=d.x,f.position.y+=d.y),0!==d.angle&&(A.rotate(f.vertices,d.angle,c.position),w.rotate(f.axes,d.angle),e>0&&z.rotateAbout(f.position,d.angle,c.position,f.position)),x.update(f.bounds,f.vertices)}d.angle=0,d.x=0,d.y=0}}}();var n={};!function(){n.create=function(b,d){var e=(b?b.mouse:null)||(d?d.mouse:null);!e&&b&&b.render&&b.render.canvas?e=r.create(b.render.canvas):(e=r.create(),o.log("MouseConstraint.create: options.mouse was undefined, engine.render.canvas was undefined, may not function as expected","warn"));var f=m.create({label:"Mouse Constraint",pointA:e.position,pointB:{x:0,y:0},length:.01,stiffness:.1,angularStiffness:1,render:{strokeStyle:"#90EE90",lineWidth:3}}),g={type:"mouseConstraint",mouse:e,body:null,constraint:f,collisionFilter:{category:1,mask:4294967295,group:0}},h=o.extend(g,d);return q.on(b,"tick",function(){var d=c.allBodies(b.world);n.update(h,d),a(h)}),h},n.update=function(a,b){var c=a.mouse,d=a.constraint,e=a.body;if(0===c.button){if(d.bodyB)t.set(d.bodyB,!1),d.pointA=c.position;else for(var g=0;g<b.length;g++)if(e=b[g],x.contains(e.bounds,c.position)&&f.canCollide(e.collisionFilter,a.collisionFilter))for(var h=e.parts.length>1?1:0;h<e.parts.length;h++){var i=e.parts[h];if(A.contains(i.vertices,c.position)){d.pointA=c.position,d.bodyB=a.body=e,d.pointB={x:c.position.x-e.position.x,y:c.position.y-e.position.y},d.angleB=e.angle,t.set(e,!1),q.trigger(a,"startdrag",{mouse:c,body:e});break}}}else d.bodyB=a.body=null,d.pointB=null,e&&q.trigger(a,"enddrag",{mouse:c,body:e})};var a=function(a){var b=a.mouse,c=b.sourceEvents;c.mousemove&&q.trigger(a,"mousemove",{mouse:b}),c.mousedown&&q.trigger(a,"mousedown",{mouse:b}),c.mouseup&&q.trigger(a,"mouseup",{mouse:b}),r.clearSourceEvents(b)}}();var o={};!function(){o._nextId=0,o._seed=0,o.extend=function(a,b){var c,d,e;"boolean"==typeof b?(c=2,e=b):(c=1,e=!0),d=Array.prototype.slice.call(arguments,c);for(var f=0;f<d.length;f++){var g=d[f];if(g)for(var h in g)e&&g[h]&&g[h].constructor===Object?a[h]&&a[h].constructor!==Object?a[h]=g[h]:(a[h]=a[h]||{},o.extend(a[h],e,g[h])):a[h]=g[h]}return a},o.clone=function(a,b){return o.extend({},b,a)},o.keys=function(a){if(Object.keys)return Object.keys(a);var 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f={enabled:!0,positionIterations:6,velocityIterations:4,constraintIterations:2,enableSleeping:!1,events:[],timing:{fps:a,timestamp:0,delta:e,correction:1,deltaMin:1e3/a,deltaMax:1e3/(.5*a),timeScale:1,isFixed:!1,frameRequestId:0},broadphase:{controller:g}},h=o.extend(f,c);if(b||h.render){var j={element:b,controller:B};h.render=o.extend(j,h.render)}return h.render&&h.render.controller&&(h.render=h.render.controller.create(h.render)),h.world=d.create(h.world),h.pairs=i.create(),h.broadphase=h.broadphase.controller.create(h.broadphase),h.metrics=h.metrics||{extended:!1},h},p.update=function(a,b,d){d="undefined"!=typeof d?d:1;var e,g=a.world,l=a.timing,n=a.broadphase,o=[];l.timestamp+=b*l.timeScale,l.correction=d;var p={timestamp:a.timing.timestamp};q.trigger(a,"beforeUpdate",p);var r=c.allBodies(g),s=c.allConstraints(g);for(a.enableSleeping&&t.update(r,l.timeScale),h(r,g.gravity),j(r,b,l.timeScale,d,g.bounds),e=0;e<a.constraintIterations;e++)m.solveAll(s,l.timeScale);m.postSolveAll(r),n.controller?(g.isModified&&n.controller.clear(n),n.controller.update(n,r,a,g.isModified),o=n.pairsList):o=r;var u=n.detector(o,a),v=a.pairs,w=l.timestamp;for(i.update(v,u,w),i.removeOld(v,w),a.enableSleeping&&t.afterCollisions(v.list,l.timeScale),v.collisionStart.length>0&&q.trigger(a,"collisionStart",{pairs:v.collisionStart}),k.preSolvePosition(v.list),e=0;e<a.positionIterations;e++)k.solvePosition(v.list,l.timeScale);for(k.postSolvePosition(r),k.preSolveVelocity(v.list),e=0;e<a.velocityIterations;e++)k.solveVelocity(v.list,l.timeScale);return 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u={};!function(){u.rectangle=function(a,c,d,e,f){f=f||{};var g={label:"Rectangle Body",position:{x:a,y:c},vertices:A.fromPath("L 0 0 L "+d+" 0 L "+d+" "+e+" L 0 "+e)};if(f.chamfer){var h=f.chamfer;g.vertices=A.chamfer(g.vertices,h.radius,h.quality,h.qualityMin,h.qualityMax),delete f.chamfer}return b.create(o.extend({},g,f))},u.trapezoid=function(a,c,d,e,f,g){g=g||{},f*=.5;var h=(1-2*f)*d,i=d*f,j=i+h,k=j+i,l={label:"Trapezoid Body",position:{x:a,y:c},vertices:A.fromPath("L 0 0 L "+i+" "+-e+" L "+j+" "+-e+" L "+k+" 0")};if(g.chamfer){var m=g.chamfer;l.vertices=A.chamfer(l.vertices,m.radius,m.quality,m.qualityMin,m.qualityMax),delete g.chamfer}return b.create(o.extend({},l,g))},u.circle=function(a,b,c,d,e){d=d||{},d.label="Circle Body",e=e||25;var f=Math.ceil(Math.max(10,Math.min(e,c)));return f%2===1&&(f+=1),d.circleRadius=c,u.polygon(a,b,f,c,d)},u.polygon=function(a,c,d,e,f){if(f=f||{},3>d)return u.circle(a,c,e,f);for(var g=2*Math.PI/d,h="",i=.5*g,j=0;d>j;j+=1){var 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f=b[e];f.render.visible&&(d.moveTo(f.position.x,f.position.y),d.lineTo(f.position.x+2*(f.position.x-f.positionPrev.x),f.position.y+2*(f.position.y-f.positionPrev.y)))}d.lineWidth=3,d.strokeStyle="cornflowerblue",d.stroke()},B.bodyIds=function(a,b,c){var d,e,f=c;for(d=0;d<b.length;d++)if(b[d].render.visible){var g=b[d].parts;for(e=g.length>1?1:0;e<g.length;e++){var h=g[e];f.font="12px Arial",f.fillStyle="rgba(255,255,255,0.5)",f.fillText(h.id,h.position.x+10,h.position.y-10)}}},B.collisions=function(a,b,c){var d,e,f,g,h=c,i=a.render.options;for(h.beginPath(),f=0;f<b.length;f++)if(d=b[f],d.isActive)for(e=d.collision,g=0;g<d.activeContacts.length;g++){var j=d.activeContacts[g],k=j.vertex;h.rect(k.x-1.5,k.y-1.5,3.5,3.5)}for(h.fillStyle=i.wireframes?"rgba(255,255,255,0.7)":"orange",h.fill(),h.beginPath(),f=0;f<b.length;f++)if(d=b[f],d.isActive&&(e=d.collision,d.activeContacts.length>0)){var l=d.activeContacts[0].vertex.x,m=d.activeContacts[0].vertex.y;2===d.activeContacts.length&&(l=(d.activeContacts[0].vertex.x+d.activeContacts[1].vertex.x)/2,m=(d.activeContacts[0].vertex.y+d.activeContacts[1].vertex.y)/2),e.bodyB===e.supports[0].body||e.bodyA.isStatic===!0?h.moveTo(l-8*e.normal.x,m-8*e.normal.y):h.moveTo(l+8*e.normal.x,m+8*e.normal.y),h.lineTo(l,m)}h.strokeStyle=i.wireframes?"rgba(255,165,0,0.7)":"orange",h.lineWidth=1,h.stroke()},B.separations=function(a,b,c){var d,e,f,g,h,i=c,j=a.render.options;for(i.beginPath(),h=0;h<b.length;h++)if(d=b[h],d.isActive){e=d.collision,f=e.bodyA,g=e.bodyB;var k=1;g.isStatic||f.isStatic||(k=.5),g.isStatic&&(k=0),i.moveTo(g.position.x,g.position.y),i.lineTo(g.position.x-e.penetration.x*k,g.position.y-e.penetration.y*k),k=1,g.isStatic||f.isStatic||(k=.5),f.isStatic&&(k=0),i.moveTo(f.position.x,f.position.y),i.lineTo(f.position.x+e.penetration.x*k,f.position.y+e.penetration.y*k)}i.strokeStyle=j.wireframes?"rgba(255,165,0,0.5)":"orange",i.stroke()},B.grid=function(a,b,c){var d=c,e=a.render.options;d.strokeStyle=e.wireframes?"rgba(255,180,0,0.1)":"rgba(255,180,0,0.5)",d.beginPath();for(var f=o.keys(b.buckets),g=0;g<f.length;g++){var h=f[g];if(!(b.buckets[h].length<2)){var i=h.split(",");d.rect(.5+parseInt(i[0],10)*b.bucketWidth,.5+parseInt(i[1],10)*b.bucketHeight,b.bucketWidth,b.bucketHeight)}}d.lineWidth=1,d.stroke()},B.inspector=function(a,b){var c,d=a.engine,e=a.selected,f=d.render,g=f.options;if(g.hasBounds){var h=f.bounds.max.x-f.bounds.min.x,i=f.bounds.max.y-f.bounds.min.y,j=h/f.options.width,k=i/f.options.height;b.scale(1/j,1/k),b.translate(-f.bounds.min.x,-f.bounds.min.y)}for(var l=0;l<e.length;l++){var m=e[l].data;switch(b.translate(.5,.5),b.lineWidth=1,b.strokeStyle="rgba(255,165,0,0.9)",b.setLineDash([1,2]),m.type){case"body":c=m.bounds,b.beginPath(),b.rect(Math.floor(c.min.x-3),Math.floor(c.min.y-3),Math.floor(c.max.x-c.min.x+6),Math.floor(c.max.y-c.min.y+6)),b.closePath(),b.stroke();break;case"constraint":var n=m.pointA;m.bodyA&&(n=m.pointB),b.beginPath(),b.arc(n.x,n.y,10,0,2*Math.PI),b.closePath(),b.stroke()}b.setLineDash([0]),b.translate(-.5,-.5)}null!==a.selectStart&&(b.translate(.5,.5),b.lineWidth=1,b.strokeStyle="rgba(255,165,0,0.6)",b.fillStyle="rgba(255,165,0,0.1)",c=a.selectBounds,b.beginPath(),b.rect(Math.floor(c.min.x),Math.floor(c.min.y),Math.floor(c.max.x-c.min.x),Math.floor(c.max.y-c.min.y)),b.closePath(),b.stroke(),b.fill(),b.translate(-.5,-.5)),g.hasBounds&&b.setTransform(1,0,0,1,0,0)};var a=function(a,b){var c=document.createElement("canvas");return c.width=a,c.height=b,c.oncontextmenu=function(){return!1},c.onselectstart=function(){return!1},c},b=function(a){var b=a.getContext("2d"),c=window.devicePixelRatio||1,d=b.webkitBackingStorePixelRatio||b.mozBackingStorePixelRatio||b.msBackingStorePixelRatio||b.oBackingStorePixelRatio||b.backingStorePixelRatio||1;return c/d},d=function(a,b){var c=a.textures[b];return c?c:(c=a.textures[b]=new Image,c.src=b,c)},e=function(a,b){var c=b;/(jpg|gif|png)$/.test(b)&&(c="url("+b+")"),a.canvas.style.background=c,a.canvas.style.backgroundSize="contain",a.currentBackground=b}}();var C={};!function(){C.create=function(a){var b={controller:C,element:null,canvas:null,options:{width:800,height:600,background:"#fafafa",wireframeBackground:"#222",hasBounds:!1,enabled:!0,wireframes:!0,showSleeping:!0,showDebug:!1,showBroadphase:!1,showBounds:!1,showVelocity:!1,showCollisions:!1,showAxes:!1,showPositions:!1,showAngleIndicator:!1,showIds:!1,showShadows:!1}},c=o.extend(b,a),d=!c.options.wireframes&&"transparent"===c.options.background;return c.context=new PIXI.WebGLRenderer(c.options.width,c.options.height,{view:c.canvas,transparent:d,antialias:!0,backgroundColor:a.background}),c.canvas=c.context.view,c.container=new PIXI.Container,c.bounds=c.bounds||{min:{x:0,y:0},max:{x:c.options.width,y:c.options.height}},c.textures={},c.sprites={},c.primitives={},c.spriteContainer=new PIXI.Container,c.container.addChild(c.spriteContainer),o.isElement(c.element)?c.element.appendChild(c.canvas):o.log('No "render.element" passed, "render.canvas" was not inserted into document.',"warn"),c.canvas.oncontextmenu=function(){return!1},c.canvas.onselectstart=function(){return!1},c},C.clear=function(a){for(var b=a.container,c=a.spriteContainer;b.children[0];)b.removeChild(b.children[0]);for(;c.children[0];)c.removeChild(c.children[0]);var d=a.sprites["bg-0"];a.textures={},a.sprites={},a.primitives={},a.sprites["bg-0"]=d,d&&b.addChildAt(d,0),a.container.addChild(a.spriteContainer),a.currentBackground=null,b.scale.set(1,1),b.position.set(0,0)},C.setBackground=function(a,b){if(a.currentBackground!==b){var c=b.indexOf&&-1!==b.indexOf("#"),e=a.sprites["bg-0"];if(c){var f=o.colorToNumber(b);a.context.backgroundColor=f,e&&a.container.removeChild(e)}else if(!e){var g=d(a,b);e=a.sprites["bg-0"]=new PIXI.Sprite(g),e.position.x=0,e.position.y=0,a.container.addChildAt(e,0)
}a.currentBackground=b}},C.world=function(a){var b,d=a.render,e=a.world,f=d.context,g=d.container,h=d.options,i=c.allBodies(e),j=c.allConstraints(e),k=[];h.wireframes?C.setBackground(d,h.wireframeBackground):C.setBackground(d,h.background);var l=d.bounds.max.x-d.bounds.min.x,m=d.bounds.max.y-d.bounds.min.y,n=l/d.options.width,o=m/d.options.height;if(h.hasBounds){for(b=0;b<i.length;b++){var p=i[b];p.render.sprite.visible=x.overlaps(p.bounds,d.bounds)}for(b=0;b<j.length;b++){var q=j[b],r=q.bodyA,s=q.bodyB,t=q.pointA,u=q.pointB;r&&(t=z.add(r.position,q.pointA)),s&&(u=z.add(s.position,q.pointB)),t&&u&&(x.contains(d.bounds,t)||x.contains(d.bounds,u))&&k.push(q)}g.scale.set(1/n,1/o),g.position.set(-d.bounds.min.x*(1/n),-d.bounds.min.y*(1/o))}else k=j;for(b=0;b<i.length;b++)C.body(a,i[b]);for(b=0;b<k.length;b++)C.constraint(a,k[b]);f.render(g)},C.constraint=function(a,b){var c=a.render,d=b.bodyA,e=b.bodyB,f=b.pointA,g=b.pointB,h=c.container,i=b.render,j="c-"+b.id,k=c.primitives[j];return k||(k=c.primitives[j]=new PIXI.Graphics),i.visible&&b.pointA&&b.pointB?(-1===o.indexOf(h.children,k)&&h.addChild(k),k.clear(),k.beginFill(0,0),k.lineStyle(i.lineWidth,o.colorToNumber(i.strokeStyle),1),d?k.moveTo(d.position.x+f.x,d.position.y+f.y):k.moveTo(f.x,f.y),e?k.lineTo(e.position.x+g.x,e.position.y+g.y):k.lineTo(g.x,g.y),void k.endFill()):void k.clear()},C.body=function(c,d){var e=c.render,f=d.render;if(f.visible)if(f.sprite&&f.sprite.texture){var g="b-"+d.id,h=e.sprites[g],i=e.spriteContainer;h||(h=e.sprites[g]=a(e,d)),-1===o.indexOf(i.children,h)&&i.addChild(h),h.position.x=d.position.x,h.position.y=d.position.y,h.rotation=d.angle,h.scale.x=f.sprite.xScale||1,h.scale.y=f.sprite.yScale||1}else{var j="b-"+d.id,k=e.primitives[j],l=e.container;k||(k=e.primitives[j]=b(e,d),k.initialAngle=d.angle),-1===o.indexOf(l.children,k)&&l.addChild(k),k.position.x=d.position.x,k.position.y=d.position.y,k.rotation=d.angle-k.initialAngle}};var a=function(a,b){var c=b.render,e=c.sprite.texture,f=d(a,e),g=new PIXI.Sprite(f);return g.anchor.x=.5,g.anchor.y=.5,g},b=function(a,b){var c,d=b.render,e=a.options,f=new PIXI.Graphics,g=o.colorToNumber(d.fillStyle),h=o.colorToNumber(d.strokeStyle),i=o.colorToNumber(d.strokeStyle),j=o.colorToNumber("#bbb"),k=o.colorToNumber("#CD5C5C");f.clear();for(var l=b.parts.length>1?1:0;l<b.parts.length;l++){c=b.parts[l],e.wireframes?(f.beginFill(0,0),f.lineStyle(1,j,1)):(f.beginFill(g,1),f.lineStyle(d.lineWidth,h,1)),f.moveTo(c.vertices[0].x-b.position.x,c.vertices[0].y-b.position.y);for(var m=1;m<c.vertices.length;m++)f.lineTo(c.vertices[m].x-b.position.x,c.vertices[m].y-b.position.y);f.lineTo(c.vertices[0].x-b.position.x,c.vertices[0].y-b.position.y),f.endFill(),(e.showAngleIndicator||e.showAxes)&&(f.beginFill(0,0),e.wireframes?f.lineStyle(1,k,1):f.lineStyle(1,i),f.moveTo(c.position.x-b.position.x,c.position.y-b.position.y),f.lineTo((c.vertices[0].x+c.vertices[c.vertices.length-1].x)/2-b.position.x,(c.vertices[0].y+c.vertices[c.vertices.length-1].y)/2-b.position.y),f.endFill())}return f},d=function(a,b){var c=a.textures[b];return c||(c=a.textures[b]=PIXI.Texture.fromImage(b)),c}}(),d.add=c.add,d.remove=c.remove,d.addComposite=c.addComposite,d.addBody=c.addBody,d.addConstraint=c.addConstraint,d.clear=c.clear,p.run=s.run,a.Body=b,a.Composite=c,a.World=d,a.Contact=e,a.Detector=f,a.Grid=g,a.Pairs=i,a.Pair=h,a.Resolver=k,a.SAT=l,a.Constraint=m,a.MouseConstraint=n,a.Common=o,a.Engine=p,a.Mouse=r,a.Sleeping=t,a.Bodies=u,a.Composites=v,a.Axes=w,a.Bounds=x,a.Vector=z,a.Vertices=A,a.Render=B,a.RenderPixi=C,a.Events=q,a.Query=j,a.Runner=s,a.Svg=y,"undefined"!=typeof exports&&("undefined"!=typeof module&&module.exports&&(exports=module.exports=a),exports.Matter=a),"function"==typeof define&&define.amd&&define("Matter",[],function(){return a}),"object"==typeof window&&"object"==typeof window.document&&(window.Matter=a)}();
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