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liabru-matter-js/build/matter.min.js
liabru aff85ed120 updated edge build
2014-05-01 14:09:06 +01:00

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/**
* matter.min.js 0.7.0-edge 2014-05-01
* http://brm.io/matter-js/
* License: MIT
*/
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d,e,f,g,h,i,j,k,l;for(d=0;d<a.length;d++)e=a[d],e.isActive&&(f=e.collision,g=f.bodyA,h=f.bodyB,i=f.supports[0],j=f.supportCorrected,k=f.normal,l=y.sub(y.add(h.positionImpulse,i),y.add(g.positionImpulse,j)),e.separation=y.dot(k,l));for(d=0;d<a.length;d++)e=a[d],e.isActive&&(f=e.collision,g=f.bodyA,h=f.bodyB,k=f.normal,positionImpulse=(e.separation*b-e.slop)*c,(g.isStatic||h.isStatic)&&(positionImpulse*=2),g.isStatic||g.isSleeping||(g.positionImpulse.x+=k.x*positionImpulse,g.positionImpulse.y+=k.y*positionImpulse),h.isStatic||h.isSleeping||(h.positionImpulse.x-=k.x*positionImpulse,h.positionImpulse.y-=k.y*positionImpulse))},k.postSolvePosition=function(a){for(var b=0;b<a.length;b++){var d=a[b];(0!==d.positionImpulse.x||0!==d.positionImpulse.y)&&(d.position.x+=d.positionImpulse.x,d.position.y+=d.positionImpulse.y,d.positionPrev.x+=d.positionImpulse.x,d.positionPrev.y+=d.positionImpulse.y,z.translate(d.vertices,d.positionImpulse),x.update(d.bounds,d.vertices,d.velocity),d.positionImpulse.x*=c,d.positionImpulse.y*=c)}},k.preSolveVelocity=function(a){var b,c,d,e,f,g,h,i,j,k,l,m,n,o,p={};for(b=0;b<a.length;b++)if(d=a[b],d.isActive)for(e=d.activeContacts,f=d.collision,g=f.bodyA,h=f.bodyB,i=f.normal,j=f.tangent,c=0;c<e.length;c++)k=e[c],l=k.vertex,m=k.normalImpulse,n=k.tangentImpulse,p.x=i.x*m+j.x*n,p.y=i.y*m+j.y*n,g.isStatic||g.isSleeping||(o=y.sub(l,g.position),g.positionPrev.x+=p.x*g.inverseMass,g.positionPrev.y+=p.y*g.inverseMass,g.anglePrev+=y.cross(o,p)*g.inverseInertia),h.isStatic||h.isSleeping||(o=y.sub(l,h.position),h.positionPrev.x-=p.x*h.inverseMass,h.positionPrev.y-=p.y*h.inverseMass,h.anglePrev-=y.cross(o,p)*h.inverseInertia)},k.solveVelocity=function(b){for(var c={},d=0;d<b.length;d++){var e=b[d];if(e.isActive){var f=e.collision,g=f.bodyA,h=f.bodyB,i=f.normal,j=f.tangent,k=e.activeContacts,l=1/k.length;g.velocity.x=g.position.x-g.positionPrev.x,g.velocity.y=g.position.y-g.positionPrev.y,h.velocity.x=h.position.x-h.positionPrev.x,h.velocity.y=h.position.y-h.positionPrev.y,g.angularVelocity=g.angle-g.anglePrev,h.angularVelocity=h.angle-h.anglePrev;for(var m=0;m<k.length;m++){var n=k[m],p=n.vertex,q=y.sub(p,g.position),r=y.sub(p,h.position),s=y.add(g.velocity,y.mult(y.perp(q),g.angularVelocity)),t=y.add(h.velocity,y.mult(y.perp(r),h.angularVelocity)),u=y.sub(s,t),v=y.dot(i,u),w=y.dot(j,u),x=Math.abs(w),z=o.sign(w),A=(1+e.restitution)*v,B=o.clamp(e.separation+v,0,1),C=w;x>B*e.friction&&(C=B*e.friction*z);var D=y.cross(q,i),E=y.cross(r,i),F=l/(e.inverseMass+g.inverseInertia*D*D+h.inverseInertia*E*E);if(A*=F,C*=F,0>v&&v*v>a)n.normalImpulse=0,n.tangentImpulse=0;else{var G=n.normalImpulse;n.normalImpulse=Math.min(n.normalImpulse+A,0),A=n.normalImpulse-G;var H=n.tangentImpulse;n.tangentImpulse=o.clamp(n.tangentImpulse+C,-x,x),C=n.tangentImpulse-H}c.x=i.x*A+j.x*C,c.y=i.y*A+j.y*C,g.isStatic||g.isSleeping||(g.positionPrev.x+=c.x*g.inverseMass,g.positionPrev.y+=c.y*g.inverseMass,g.anglePrev+=y.cross(q,c)*g.inverseInertia),h.isStatic||h.isSleeping||(h.positionPrev.x-=c.x*h.inverseMass,h.positionPrev.y-=c.y*h.inverseMass,h.anglePrev-=y.cross(r,c)*h.inverseInertia)}}}}}();var l={};!function(){l.collides=function(b,d,e){var f,g,h,i,j=e,k=!1;if(j){var l=b.speed*b.speed+b.angularSpeed*b.angularSpeed+d.speed*d.speed+d.angularSpeed*d.angularSpeed;k=j&&j.collided&&.2>l,i=j}else i={collided:!1,bodyA:b,bodyB:d};if(j&&k){var m=[j.bodyA.axes[j.axisNumber]];if(h=a(j.bodyA.vertices,j.bodyB.vertices,m),i.reused=!0,h.overlap<=0)return i.collided=!1,i}else{if(f=a(b.vertices,d.vertices,b.axes),f.overlap<=0)return 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.bodyA=b,i.bodyB=d):(h=g,i.bodyA=d,i.bodyB=b),i.axisNumber=h.axisNumber}i.collided=!0,i.normal=h.axis,i.depth=h.overlap,b=i.bodyA,d=i.bodyB,y.dot(i.normal,y.sub(d.position,b.position))>0&&(i.normal=y.neg(i.normal)),i.tangent=y.perp(i.normal),i.penetration={x:i.normal.x*i.depth,y:i.normal.y*i.depth};var n=c(b,d,i.normal),o=[n[0]];if(z.contains(b.vertices,n[1]))o.push(n[1]);else{var p=c(d,b,y.neg(i.normal));z.contains(d.vertices,p[0])&&o.push(p[0]),o.length<2&&z.contains(d.vertices,p[1])&&o.push(p[1])}return i.supports=o,i.supportCorrected=y.sub(n[0],i.penetration),i};var a=function(a,c,d){for(var e,f,g={},h={},i={overlap:Number.MAX_VALUE},j=0;j<d.length;j++){if(f=d[j],b(g,a,f),b(h,c,f),e=g.min<h.min?g.max-h.min:h.max-g.min,0>=e)return i.overlap=e,i;e<i.overlap&&(i.overlap=e,i.axis=f,i.axisNumber=j)}return i},b=function(a,b,c){for(var 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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=y.rotate(g,e.angle-c.angleA),c.angleA=e.angle),f&&!f.isStatic&&(c.pointB=y.rotate(h,f.angle-c.angleB),c.angleB=f.angle);var i=g,j=h;if(e&&(i=y.add(e.position,g)),f&&(j=y.add(f.position,h)),i&&j){var k=y.sub(i,j),l=y.magnitude(k);0===l&&(l=a);var m=(l-c.length)/l,n=y.div(k,l),p=y.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,z;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=y.add(e.velocity,y.mult(y.perp(s),e.angularVelocity)),v=y.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=y.add(f.velocity,y.mult(y.perp(u),f.angularVelocity)),w=y.dot(u,n),z=f.inverseMass+f.inverseInertia*w*w):(r={x:0,y:0},z=f?f.inverseMass:0);var A=y.sub(r,q),B=y.dot(n,A)/(x+z);B>0&&(B=0);var C,D={x:n.x*B,y:n.y*B};e&&!e.isStatic&&(C=y.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=y.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++){var c=a[b],d=c.constraintImpulse;z.translate(c.vertices,d),0!==d.angle&&(z.rotate(c.vertices,d.angle,c.position),w.rotate(c.axes,d.angle),d.angle=0),x.update(c.bounds,c.vertices),d.x=0,d.y=0}}}();var n={};!function(){n.create=function(a,b){var d=a.input.mouse,e=m.create({label:"Mouse 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e={enabled:!0,positionIterations:6,velocityIterations:4,constraintIterations:2,enableSleeping:!1,timeScale:1,input:{},events:[],timing:{fps:a,timestamp:0,delta:h,correction:1,deltaMin:1e3/a,deltaMax:1e3/(.5*a),timeScale:1},render:{element:b,controller:A}},j=o.extend(e,c);return j.render=j.render.controller.create(j.render),j.world=d.create(j.world),j.pairs=i.create(),j.metrics=j.metrics||r.create(),j.input.mouse=j.input.mouse||s.create(j.render.canvas),j.broadphase=j.broadphase||{current:"grid",grid:{controller:g,instance:g.create(),detector:f.collisions},bruteForce:{detector:f.bruteForce}},j},p.run=function(a){var b,c,d=a.timing,f=0,g=0,i=[],k=1;!function m(o){if(j(m),a.enabled){o=o||0;var r={timestamp:o};q.trigger(a,"beforeTick",r),b=o-d.timestamp||h,i.push(b),i=i.slice(-e),b=Math.min.apply(null,i),b=b<d.deltaMin?d.deltaMin:b,b=b>d.deltaMax?d.deltaMax:b,c=b/d.delta,0!==k&&(c*=d.timeScale/k),0===d.timeScale&&(c=0),k=d.timeScale,d.timestamp=o,d.correction=c,d.delta=b,g+=1,o-f>=1e3&&(d.fps=g*((o-f)/1e3),f=o,g=0),q.trigger(a,"tick beforeUpdate",r),a.world.isModified&&a.render.controller.clear(a.render),p.update(a,b,c),n(a),l(a),q.trigger(a,"afterUpdate beforeRender",r),a.render.options.enabled&&a.render.controller.world(a),q.trigger(a,"afterTick afterRender",r)}}()},p.update=function(a,d,e){var f,g=a.world,h=a.timing,j=a.broadphase[a.broadphase.current],l=[],n=c.allBodies(g),o=c.allConstraints(g);for(r.reset(a.metrics),a.enableSleeping&&t.update(n),b.applyGravityAll(n,g.gravity),b.updateAll(n,d*h.timeScale,e,g.bounds),f=0;f<a.constraintIterations;f++)m.solveAll(o,h.timeScale);m.postSolveAll(n),j.controller?(g.isModified&&j.controller.clear(j.instance),j.controller.update(j.instance,n,a,g.isModified),l=j.instance.pairsList):l=n;var p=j.detector(l,a),q=a.pairs,s=h.timestamp;for(i.update(q,p,s),i.removeOld(q,s),a.enableSleeping&&t.afterCollisions(q.list),k.preSolveVelocity(q.list),f=0;f<a.velocityIterations;f++)k.solveVelocity(q.list);for(f=0;f<a.positionIterations;f++)k.solvePosition(q.list,h.timeScale);return k.postSolvePosition(n),r.update(a.metrics,a),b.resetForcesAll(n),g.isModified&&c.setModified(g,!1,!1,!0),a},p.merge=function(a,b){if(o.extend(a,b),b.world){a.world=b.world,p.clear(a);for(var d=c.allBodies(a.world),e=0;e<d.length;e++){var 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d=b.world,e=(b.broadphase[b.broadphase.current],c.allBodies(d));a.collisions=a.narrowDetections,a.pairs=b.pairs.list.length,a.bodies=e.length,a.midEff=(a.narrowDetections/(a.midphaseTests||1)).toFixed(2),a.narrowEff=(a.narrowDetections/(a.narrowphaseTests||1)).toFixed(2),a.broadEff=(1-a.broadphaseTests/(e.length||1)).toFixed(2),a.narrowReuse=(a.narrowReuseCount/(a.narrowphaseTests||1)).toFixed(2)}}}();var s;!function(){s=function(b){var c=this;this.element=b||document.body,this.position={x:0,y:0},this.mousedownPosition={x:0,y:0},this.mouseupPosition={x:0,y:0},this.offset={x:0,y:0},this.button=-1,this.sourceEvents={mousemove:null,mousedown:null,mouseup:null},this.mousemove=function(b){var d=a(b,c.element),e=b.changedTouches;e&&(c.button=0,b.preventDefault()),c.position.x=d.x+c.offset.x,c.position.y=d.y+c.offset.y,c.sourceEvents.mousemove=b},this.mousedown=function(b){var d=a(b,c.element),e=b.changedTouches;e?(c.button=0,b.preventDefault()):c.button=b.button,c.position.x=d.x+c.offset.x,c.position.y=d.y+c.offset.y,c.mousedownPosition.x=d.x+c.offset.x,c.mousedownPosition.y=d.y+c.offset.y,c.sourceEvents.mousedown=b},this.mouseup=function(b){var d=a(b,c.element),e=b.changedTouches;e&&b.preventDefault(),c.button=-1,c.position.x=d.x+c.offset.x,c.position.y=d.y+c.offset.y,c.mouseupPosition.x=d.x+c.offset.x,c.mouseupPosition.y=d.y+c.offset.y,c.sourceEvents.mouseup=b},s.setElement(c,c.element)},s.create=function(a){return new s(a)},s.setElement=function(a,b){a.element=b,b.addEventListener("mousemove",a.mousemove),b.addEventListener("mousedown",a.mousedown),b.addEventListener("mouseup",a.mouseup),b.addEventListener("touchmove",a.mousemove),b.addEventListener("touchstart",a.mousedown),b.addEventListener("touchend",a.mouseup)},s.clearSourceEvents=function(a){a.sourceEvents.mousemove=null,a.sourceEvents.mousedown=null,a.sourceEvents.mouseup=null};var a=function(a,b){var c,d,e=b.getBoundingClientRect(),f=void 0!==window.pageXOffset?window.pageXOffset:(document.documentElement||document.body.parentNode||document.body).scrollLeft,g=void 0!==window.pageYOffset?window.pageYOffset:(document.documentElement||document.body.parentNode||document.body).scrollTop,h=a.changedTouches;return h?(c=h[0].pageX-e.left-f,d=h[0].pageY-e.top-g):(c=a.pageX-e.left-f,d=a.pageY-e.top-g),{x:c/(b.clientWidth/b.width),y:d/(b.clientHeight/b.height)}}}();var t={};!function(){var a=.18,b=.08,c=.9;t.update=function(a){for(var d=0;d<a.length;d++){var e=a[d],f=e.speed*e.speed+e.angularSpeed*e.angularSpeed;if(e.force.x>0||e.force.y>0)t.set(e,!1);else{var g=Math.min(e.motion,f),h=Math.max(e.motion,f);e.motion=c*g+(1-c)*h,e.sleepThreshold>0&&e.motion<b?(e.sleepCounter+=1,e.sleepCounter>=e.sleepThreshold&&t.set(e,!0)):e.sleepCounter>0&&(e.sleepCounter-=1)}}},t.afterCollisions=function(b){for(var c=0;c<b.length;c++){var d=b[c];if(d.isActive){var e=d.collision,f=e.bodyA,g=e.bodyB;if(!(f.isSleeping&&g.isSleeping||f.isStatic||g.isStatic)&&(f.isSleeping||g.isSleeping)){var h=f.isSleeping&&!f.isStatic?f:g,i=h===f?g:f;!h.isStatic&&i.motion>a&&t.set(h,!1)}}}},t.set=function(a,b){b?(a.isSleeping=!0,a.sleepCounter=a.sleepThreshold,a.positionImpulse.x=0,a.positionImpulse.y=0,a.positionPrev.x=a.position.x,a.positionPrev.y=a.position.y,a.anglePrev=a.angle,a.speed=0,a.angularSpeed=0,a.motion=0):(a.isSleeping=!1,a.sleepCounter=0)}}();var u={};!function(){u.rectangle=function(a,c,d,e,f){f=f||{};var g={label:"Rectangle Body",position:{x:a,y:c},render:{path:"L 0 0 L "+d+" 0 L "+d+" "+e+" L 0 "+e}};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},render:{path:"L 0 0 L "+i+" "+-e+" L "+j+" "+-e+" L "+k+" 0"}};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 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i=1.9,j=u.circle(a+h*e*i,b+f,e,{inertia:99999,restitution:1,friction:0,frictionAir:1e-4,slop:.01}),k=m.create({pointA:{x:a+h*e*i,y:b},bodyB:j});c.addBody(g,j),c.addConstraint(g,k)}return g},v.car=function(a,d,e,f,g){var h=b.nextGroupId(),i=-20,j=.5*-e+i,k=.5*e-i,l=0,n=c.create({label:"Car"}),o=u.trapezoid(a,d,e,f,.3,{groupId:h,friction:.01}),p=u.circle(a+j,d+l,g,{groupId:h,restitution:.5,friction:.9,density:.01}),q=u.circle(a+k,d+l,g,{groupId:h,restitution:.5,friction:.9,density:.01}),r=m.create({bodyA:o,pointA:{x:j,y:l},bodyB:p,stiffness:.5}),s=m.create({bodyA:o,pointA:{x:k,y:l},bodyB:q,stiffness:.5});return c.addBody(n,o),c.addBody(n,p),c.addBody(n,q),c.addConstraint(n,r),c.addConstraint(n,s),n},v.softBody=function(a,b,c,d,e,f,g,h,i,j){i=o.extend({inertia:1/0},i),j=o.extend({stiffness:.4},j);var k=v.stack(a,b,c,d,e,f,function(a,b){return u.circle(a,b,h,i)});return v.mesh(k,c,d,g,j),k.label="Soft Body",k}}();var w={};!function(){w.fromVertices=function(a){for(var 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g=b[f];g.render.visible&&(d.moveTo(g.position.x,g.position.y),d.lineTo(g.position.x+2*(g.position.x-g.positionPrev.x),g.position.y+2*(g.position.y-g.positionPrev.y)))}d.lineWidth=3,d.strokeStyle="cornflowerblue",d.stroke()},A.bodyIds=function(a,b,c){for(var d=c,e=0;e<b.length;e++){var f=b[e];f.render.visible&&(d.font="12px Arial",d.fillStyle="rgba(255,255,255,0.5)",d.fillText(f.id,f.position.x+10,f.position.y-10))}},A.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++)for(d=b[f],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],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),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()},A.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()},A.inspector=function(a,b){var c,d=a.engine,e=(d.input.mouse,a.selected),f=d.render,g=f.options;g.hasBounds&&b.translate(-f.bounds.min.x,-f.bounds.min.y);for(var h=0;h<e.length;h++){var i=e[h].data;switch(b.translate(.5,.5),b.lineWidth=1,b.strokeStyle="rgba(255,165,0,0.9)",b.setLineDash([1,2]),i.type){case"body":c=i.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 j=i.pointA;i.bodyA&&(j=i.pointB),b.beginPath(),b.arc(j.x,j.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.translate(f.bounds.min.x,f.bounds.min.y)};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,b){var c=a.textures[b];return c?c:(c=a.textures[b]=new Image,c.src=b,c)}}();var B={};!function(){B.create=function(a){var b={controller:B,element:null,canvas:null,options:{width:800,height:600,background:"#fafafa",wireframeBackground:"#222",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);return c.context=new PIXI.WebGLRenderer(800,600,c.canvas,!1,!0),c.canvas=c.context.view,c.stage=new PIXI.Stage,c.textures={},c.sprites={},c.primitives={},c.spriteBatch=new PIXI.SpriteBatch,c.stage.addChild(c.spriteBatch),o.isElement(c.element)?c.element.appendChild(c.canvas):o.log('No "render.element" passed, "render.canvas" was not inserted into 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b,d=a.render,e=a.world,f=d.context,g=d.stage,h=d.options,i=c.allBodies(e),j=c.allConstraints(e);for(h.wireframes?B.setBackground(d,h.wireframeBackground):B.setBackground(d,h.background),b=0;b<i.length;b++)B.body(a,i[b]);for(b=0;b<j.length;b++)B.constraint(a,j[b]);f.render(g)},B.constraint=function(a,b){var c=a.render,d=b.bodyA,e=b.bodyB,f=b.pointA,g=b.pointB,h=c.stage,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===h.children.indexOf(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()},B.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.spriteBatch;h||(h=e.sprites[g]=a(e,d)),-1===i.children.indexOf(h)&&i.addChild(h),h.position.x=d.position.x,h.position.y=d.position.y,h.rotation=d.angle}else{var j="b-"+d.id,k=e.primitives[j],l=e.stage;k||(k=e.primitives[j]=b(e,d),k.initialAngle=d.angle),-1===l.children.indexOf(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=b.render,d=a.options,e=new PIXI.Graphics;e.clear(),d.wireframes?(e.beginFill(0,0),e.lineStyle(1,o.colorToNumber("#bbb"),1)):(e.beginFill(o.colorToNumber(c.fillStyle),1),e.lineStyle(b.render.lineWidth,o.colorToNumber(c.strokeStyle),1)),e.moveTo(b.vertices[0].x-b.position.x,b.vertices[0].y-b.position.y);for(var f=1;f<b.vertices.length;f++)e.lineTo(b.vertices[f].x-b.position.x,b.vertices[f].y-b.position.y);return e.lineTo(b.vertices[0].x-b.position.x,b.vertices[0].y-b.position.y),e.endFill(),(d.showAngleIndicator||d.showAxes)&&(e.beginFill(0,0),d.wireframes?e.lineStyle(1,o.colorToNumber("#CD5C5C"),1):e.lineStyle(1,o.colorToNumber(b.render.strokeStyle)),e.moveTo(0,0),e.lineTo((b.vertices[0].x+b.vertices[b.vertices.length-1].x)/2-b.position.x,(b.vertices[0].y+b.vertices[b.vertices.length-1].y)/2-b.position.y),e.endFill()),e},d=function(a,b){var c=a.textures[b];return c||(c=a.textures[b]=PIXI.Texture.fromImage(b)),c}}();var C={};!function(){C.create=function(b,c){var d=window.dat&&window.localStorage;if(!d)return void console.log("Could not create GUI. 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Check keymaster, jQuery, jsTree libraries are loaded first.");var j={engine:b,isPaused:!1,selected:[],selectStart:null,selectEnd:null,selectBounds:x.create(),mousePrevPosition:{x:0,y:0},offset:{x:0,y:0},autoHide:!0,autoRewind:!0,hasTransitions:e?!0:!1,bodyClass:"",exportIndent:0,controls:{container:null,worldTree:null},root:c.create({label:"Root"})};return j=o.extend(j,g),D.instance=j,j.serializer=new Resurrect({prefix:"$",cleanup:!0}),j.serializer.parse=j.serializer.resurrect,localStorage.removeItem("pauseState"),d=$("body"),d.toggleClass("ins-auto-hide gui-auto-hide",j.autoHide),d.toggleClass("ins-transitions gui-transitions",j.hasTransitions),c.add(j.root,b.world),b.world.isModified=!0,b.world.parent=null,a=window.key,f(j),n(j),i(j),h(j),j};var f=function(a){var b=(a.engine,a.controls),c=$('<div class="ins-container">'),e=$('<div class="ins-control-group">'),f=$('<input class="ins-search-box" type="search" placeholder="search">'),h=$('<button class="ins-import-button ins-button">Import</button>'),i=$('<button class="ins-export-button ins-button">Export</button>'),j=$('<button class="ins-pause-button ins-button">Pause</button>'),k=$('<button class="ins-help-button ins-button">Help</button>'),l=$('<button class="ins-add-button ins-button">+</button>');e.append(j,h,i,k),c.prepend(e,f,l),d.prepend(c),b.pauseButton=j,b.importButton=h,b.exportButton=i,b.helpButton=k,b.searchBox=f,b.container=c,b.addCompositeButton=l,b.pauseButton.click(function(){v(a,!a.isPaused)}),b.exportButton.click(function(){J(a)}),b.importButton.click(function(){K(a)}),b.helpButton.click(function(){g(a)}),b.addCompositeButton.click(function(){I(a)});var m;b.searchBox.keyup(function(){clearTimeout(m),m=setTimeout(function(){var a=b.searchBox.val(),c=b.worldTree.data("jstree");c.search(a)},250)})},g=function(){var a="Matter Tools\n\n";a+="Drag nodes in the tree to move them between composites.\n",a+="Use browser's developer console to inspect selected objects.\n",a+="Note: selections only render if renderer supports it.\n\n",a+="[shift + space] pause or play simulation.\n",a+="[right click] and drag on empty space to select a region.\n",a+="[right click] and drag on an object to move it.\n",a+="[right click + shift] and drag to move whole selection.\n",a+="[del] or [backspace] delete selected objects.\n\n",a+="[shift + s] scale-xy selected objects with mouse or arrows.\n",a+="[shift + s + d] scale-x selected objects with mouse or arrows.\n",a+="[shift + s + f] scale-y selected objects with mouse or arrows.\n",a+="[shift + r] rotate selected objects with mouse or arrows.\n\n",a+="[shift + q] set selected objects as static (can't be undone).\n",a+="[shift + i] import objects.\n",a+="[shift + o] export selected objects.\n",a+="[shift + h] toggle Matter.Gui.\n",a+="[shift + y] toggle auto-hide.\n",a+="[shift + r] toggle auto-rewind on play/pause.\n\n",a+="[shift + j] show this help message.",alert(a)},h=function(c){c.engine,c.controls;a("shift+space",function(){v(c,!c.isPaused)}),a("shift+o",function(){J(c)}),a("shift+i",function(){K(c)}),a("shift+j",function(){g(c)}),a("shift+y",function(){c.autoHide=!c.autoHide,d.toggleClass("ins-auto-hide gui-auto-hide",c.autoHide)}),a("shift+r",function(){c.autoRewind=!c.autoRewind,c.autoRewind||localStorage.removeItem("pauseState")}),a("shift+q",function(){for(var a=(c.controls.worldTree.data("jstree"),0);a<c.selected.length;a++){var d=c.selected[a].data;"body"!==d.type||d.isStatic||b.setStatic(d,!0)}}),a("del",function(){p(c)}),a("backspace",function(){p(c)}),$(document).unbind("keydown").bind("keydown",function(a){var b=!1;if(8===a.keyCode){var c=a.srcElement||a.target;b="INPUT"===c.tagName.toUpperCase()&&("TEXT"===c.type.toUpperCase()||"PASSWORD"===c.type.toUpperCase()||"FILE"===c.type.toUpperCase()||"EMAIL"===c.type.toUpperCase()||"SEARCH"===c.type.toUpperCase())||"TEXTAREA"===c.tagName.toUpperCase()?c.readOnly||c.disabled:!0}b&&a.preventDefault()})},i=function(a){var b,d=a.engine,e=a.controls,f={core:{check_callback:!0},dnd:{copy:!1},search:{show_only_matches:!0,fuzzy:!1},types:{"#":{valid_children:[]},body:{valid_children:[]},constraint:{valid_children:[]},composite:{valid_children:[]},bodies:{valid_children:["body"]},constraints:{valid_children:["constraint"]},composites:{valid_children:["composite"]}},plugins:["dnd","types","unique","search"]};e.worldTree=$('<div class="ins-world-tree">').jstree(f),e.container.prepend(e.worldTree),e.worldTree.on("changed.jstree",function(f,g){var h=[],i=e.worldTree.data("jstree");"select_node"===g.action&&(clearTimeout(b),b=setTimeout(function(){g.selected=i.get_selected();for(var b=0;b<g.selected.length;b++){var e=g.selected[b],f=e.split("_")[0],j=e.split("_")[1],k=c.get(d.world,j,f);switch(f){case"body":case"constraint":case"composite":h.push(k)}}w(a,h)},1))}),$(document).on("dnd_stop.vakata",function(b,d){for(var f=e.worldTree.data("jstree"),g=d.data.nodes,h=0;h<g.length;h++){var i=f.get_node(g[h]),j=f.get_node(f.get_parent(g[h])),k=i.data.compositeId,l=j.data.compositeId;if(k!==l){var m=g[h],n=m.split("_")[0],o=m.split("_")[1],p=c.get(a.root,o,n),q=c.get(a.root,k,"composite"),r=c.get(a.root,l,"composite");c.move(q,p,r)}}}),e.worldTree.on("dblclick.jstree",function(){for(var a=e.worldTree.data("jstree"),b=a.get_selected(),f=0;f<b.length;f++){{var g=b[f],h=g.split("_")[0],i=g.split("_")[1];c.get(d.world,i,h)}switch(h){case"composite":case"composites":case"bodies":case"constraints":for(var j=(a.get_node(g),a.get_node(g).children),k=0;k<j.length;k++)a.select_node(j[k],!1)}}})},k=function(a,b){-1===a.bodyClass.indexOf(" "+b)&&(d.addClass(b),a.bodyClass=" 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q=.02,r=1+Math.max(-2,Math.min(2,i))*q;k(b,"ins-cursor-scale"),a.isPressed("d")?(scaleX=r,scaleY=1):a.isPressed("f")?(scaleX=1,scaleY=r):scaleX=scaleY=r,t(b,scaleX,scaleY)}else l(b,"ins-cursor-scale");2!==e.button||e.sourceEvents.mousedown||e.sourceEvents.mouseup?l(b,"ins-cursor-move"):(k(b,"ins-cursor-move"),s(b,f.x,f.y)),b.mousePrevPosition=o.clone(f)}),q.on(d,"mouseup",function(){if(null!==b.selectStart){var a=j.region(c.allBodies(d.world),b.selectBounds);w(b,a)}b.selectStart=null,b.selectEnd=null,q.trigger(b,"selectEnd")}),q.on(d,"mousedown",function(d){var g,h=d.source,i=c.allBodies(h.world),j=c.allConstraints(h.world),l=a.shift||a.control,m=b.controls.worldTree.data("jstree");if(2===e.button){var n=!1;for(g=0;g<i.length;g++){var p=i[g];if(x.contains(p.bounds,f)&&z.contains(p.vertices,f)){l?A(b,p):w(b,[p]),n=!0;break}}if(!n){for(g=0;g<j.length;g++){var s=j[g],t=s.bodyA,u=s.bodyB;if(-1===s.label.indexOf("Mouse Constraint")){var v=s.pointA,B=s.pointB;if(t&&(v=y.add(t.position,s.pointA)),u&&(B=y.add(u.position,s.pointB)),v&&B){var C=y.magnitudeSquared(y.sub(f,v)),D=y.magnitudeSquared(y.sub(f,B));if(100>C||100>D){l?A(b,s):w(b,[s]),n=!0;break}}}}n?(b.selectStart=null,b.selectEnd=null):(m.deselect_all(!0),w(b,[]),b.selectStart=o.clone(f),b.selectEnd=o.clone(f),x.update(b.selectBounds,[b.selectStart,b.selectEnd]),q.trigger(b,"selectStart"))}}2===e.button&&b.selected.length>0&&(k(b,"ins-cursor-move"),r(b))}),q.on(d,"afterRender",function(){var a=d.render.controller,c=d.render.context;a.inspector&&a.inspector(b,c)})},p=function(a){var b,d,e=[],f=a.controls.worldTree.data("jstree");for(d=0;d<a.selected.length;d++)b=a.selected[d].data,b!==a.engine.world&&e.push(b);var g=f.get_selected();for(d=0;d<g.length;d++){var h=f.get_node(g[d]);if("composite"===h.type&&(h=f.get_node(h.children[0]),h.data)){var i=h.data.compositeId;b=c.get(a.root,i,"composite"),b&&b!==a.engine.world&&(e.push(b),f.delete_node(g[d]))}}c.remove(a.root,e,!0),w(a,[])},r=function(a){for(var b,c,d=a.selected,e=(a.engine.input.mouse,m(a)),f=0;f<d.length;f++)b=d[f],c=b.data,c.position?b.mousedownOffset={x:e.x-c.position.x,y:e.y-c.position.y}:c.pointA&&!c.bodyA?b.mousedownOffset={x:e.x-c.pointA.x,y:e.y-c.pointA.y}:c.pointB&&!c.bodyB&&(b.mousedownOffset={x:e.x-c.pointB.x,y:e.y-c.pointB.y})},s=function(a,c,d){for(var e,f,g=a.selected,h=(a.engine.input.mouse,m(a),0);h<g.length;h++)if(e=g[h],f=e.data,e.mousedownOffset)switch(f.type){case"body":var i={x:c-f.position.x-e.mousedownOffset.x,y:d-f.position.y-e.mousedownOffset.y};
b.translate(f,i),f.positionPrev.x=f.position.x,f.positionPrev.y=f.position.y;break;case"constraint":var j=f.pointA;f.bodyA&&(j=f.pointB),j.x=c-e.mousedownOffset.x,j.y=d-e.mousedownOffset.y;var k=f.bodyA?y.add(f.bodyA.position,f.pointA):f.pointA,l=f.bodyB?y.add(f.bodyB.position,f.pointB):f.pointB;f.length=y.magnitude(y.sub(k,l))}},t=function(a,c,d){for(var e,f,g=a.selected,h=0;h<g.length;h++)switch(e=g[h],f=e.data,f.type){case"body":b.scale(f,c,d,f.position),f.circleRadius&&(f.circleRadius*=c)}},u=function(a,c){for(var d,e,f=a.selected,g=0;g<f.length;g++)switch(d=f[g],e=d.data,e.type){case"body":b.rotate(e,c)}},v=function(a,b){b?(a.autoRewind&&(w(a,[]),C.loadState(a.serializer,a.engine,"pauseState")),a.engine.timing.timeScale=0,a.isPaused=!0,a.controls.pauseButton.text("Play"),q.trigger(a,"paused")):(a.autoRewind&&C.saveState(a.serializer,a.engine,"pauseState"),a.engine.timing.timeScale=1,a.isPaused=!1,a.controls.pauseButton.text("Pause"),q.trigger(a,"play"))},w=function(a,b){var c,d,e=a.controls.worldTree.data("jstree");for(d=0;d<a.selected.length;d++)c=a.selected[d].data,e.deselect_node(c.type+"_"+c.id,!0);for(a.selected=[],console.clear(),d=0;d<b.length;d++)c=b[d],c&&(A(a,c),5>d?console.log(c.label+" "+c.id+": %O",c):6===d&&console.warn("Omitted inspecting "+(b.length-5)+" more objects"))},A=function(a,b){if(b){var c=a.controls.worldTree.data("jstree");a.selected.push({data:b}),c.select_node(b.type+"_"+b.id,!0)}},B=function(a,b){b[0].state=b[0].state||{opened:!0},a.settings.core.data=b,a.refresh(-1)},E=function(a,b,c){var d=[],e={id:"composite_"+a.id,data:{compositeId:b},type:"composite",text:(a.label?a.label:"Composite")+" "+a.id,li_attr:{"class":"jstree-node-type-composite"}},f=F(a.composites,a.id);return f.id="composites_"+a.id,d.push(f),c?f.children:(f=G(a.bodies,a.id),f.id="bodies_"+a.id,d.push(f),f=H(a.constraints,a.id),f.id="constraints_"+a.id,d.push(f),e.children=d,e)},F=function(a,b){for(var c={type:"composites",text:"Composites",data:{compositeId:b},children:[],li_attr:{"class":"jstree-node-type-composites"}},d=0;d<a.length;d++){var e=a[d];c.children.push(E(e,b))}return c},G=function(a,b){for(var c={type:"bodies",text:"Bodies",data:{compositeId:b},children:[],li_attr:{"class":"jstree-node-type-bodies"}},d=0;d<a.length;d++){var e=a[d];c.children.push({type:"body",id:"body_"+e.id,data:{compositeId:b},text:(e.label?e.label:"Body")+" "+e.id,li_attr:{"class":"jstree-node-type-body"}})}return c},H=function(a,b){for(var c={type:"constraints",text:"Constraints",data:{compositeId:b},children:[],li_attr:{"class":"jstree-node-type-constraints"}},d=0;d<a.length;d++){var e=a[d];c.children.push({type:"constraint",id:"constraint_"+e.id,data:{compositeId:b},text:(e.label?e.label:"Constraint")+" "+e.id,li_attr:{"class":"jstree-node-type-constraint"}})}return c},I=function(a){var b=c.create();c.add(a.root,b),a.root.composites.splice(a.root.composites.length-1,1),a.root.composites.unshift(b),c.setModified(a.engine.world,!0,!0,!1)},J=function(a){a.engine;if(0===a.selected.length)return void alert("No objects were selected, so export could not be created. Can only export objects that are in the World composite.");for(var b="export-objects",d=c.create({label:"Exported Objects"}),f=0;f<a.selected.length;f++){var g=a.selected[f].data;c.get(d,g.id,g.type)||(c.add(d,g),1===a.selected.length&&(b="export-"+g.label+"-"+g.id))}b=b.toLowerCase().replace(/[^\w\-]/g,"")+".json";var h=C.serialise(a.serializer,d,a.exportIndent);if(e){var i=new Blob([h],{type:"application/json"}),j=document.createElement("a");j.download=b,j.href=(window.webkitURL||window.URL).createObjectURL(i),j.dataset.downloadurl=["application/json",j.download,j.href].join(":"),j.click()}else window.open("data:application/json;charset=utf-8,"+escape(h));q.trigger(a,"export")},K=function(a){var b,d=(a.engine,document.createElement("div"));d.innerHTML='<input type="file">',b=d.firstChild,b.addEventListener("change",function(){var d=b.files[0];if(d.name.match(/\.(txt|json)$/)){var e=new FileReader;e.onload=function(){var b=a.serializer.parse(e.result);if(b){b.label="Imported Objects",c.rebase(b),c.add(a.root,b),a.root.composites.splice(a.root.composites.length-1,1),a.root.composites.unshift(b);var d=a.controls.worldTree.data("jstree"),f=E(a.root,null,!0);B(d,f)}},e.readAsText(d)}else alert("File not supported, .json or .txt JSON files only")}),b.click()}}(),d.add=c.add,d.remove=c.remove,d.addComposite=c.addComposite,d.addBody=c.addBody,d.addConstraint=c.addConstraint,d.clear=c.clear,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.Metrics=r,a.Mouse=s,a.Sleeping=t,a.Bodies=u,a.Composites=v,a.Axes=w,a.Bounds=x,a.Vector=y,a.Vertices=z,a.Gui=C,a.Render=A,a.RenderPixi=B,a.Events=q,a.Query=j,a.Inspector=D,"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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