liabru-matter-js/build/matter.min.js

/**
* matter.min.js 0.5.0-edge 2014-03-11
* http://brm.io/matter-js/
* License: MIT
*/

!function(){var a={},b={};!function(){var a=0,c=1;b.create=function(a){var c={id:b.nextId(),angle:0,position:{x:0,y:0},force:{x:0,y:0},torque:0,positionImpulse:{x:0,y:0},speed:0,angularSpeed:0,velocity:{x:0,y:0},angularVelocity:0,isStatic:!1,isSleeping:!1,motion:0,sleepThreshold:60,density:.001,restitution:0,friction:.1,frictionAir:.01,path:"L 0 0 L 40 0 L 40 40 L 0 40",fillStyle:a.isStatic?"#eeeeee":n.choose(["#556270","#4ECDC4","#C7F464","#FF6B6B","#C44D58"]),lineWidth:1.5,groupId:0,slop:.05},d=n.extend(c,a);return b.updateProperties(d),d},b.nextId=function(){return a++},b.nextGroupId=function(){return 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d=b*b,e=1-a.frictionAir,f=a.position.x-a.positionPrev.x,g=a.position.y-a.positionPrev.y;a.velocity.x=f*e*c+a.force.x/a.mass*d,a.velocity.y=g*e*c+a.force.y/a.mass*d,a.positionPrev.x=a.position.x,a.positionPrev.y=a.position.y,a.position.x+=a.velocity.x,a.position.y+=a.velocity.y,a.angularVelocity=(a.angle-a.anglePrev)*e*c+a.torque/a.inertia*d,a.anglePrev=a.angle,a.angle+=a.angularVelocity,a.speed=x.magnitude(a.velocity),a.angularSpeed=Math.abs(a.angularVelocity),y.translate(a.vertices,a.velocity),y.rotate(a.vertices,a.angularVelocity,a.position),v.rotate(a.axes,a.angularVelocity),w.update(a.bounds,a.vertices,a.velocity)},b.applyForce=function(a,b,c){a.force.x+=c.x,a.force.y+=c.y;var d={x:b.x-a.position.x,y:b.y-a.position.y};a.torque+=(d.x*c.y-d.y*c.x)*a.inverseInertia},b.translate=function(a,b){a.positionPrev.x+=b.x,a.positionPrev.y+=b.y,a.position.x+=b.x,a.position.y+=b.y,y.translate(a.vertices,b),w.update(a.bounds,a.vertices,a.velocity)},b.rotate=function(a,b){a.anglePrev+=b,a.angle+=b,y.rotate(a.vertices,b,a.position),v.rotate(a.axes,b),w.update(a.bounds,a.vertices,a.velocity)}}();var c={};!function(){c.create=function(a){return n.extend({bodies:[],constraints:[],composites:[]},a)},c.add=function(a,b){return a.bodies&&b.bodies&&(a.bodies=a.bodies.concat(b.bodies)),a.constraints&&b.constraints&&(a.constraints=a.constraints.concat(b.constraints)),a.composites&&b.composites&&(a.composites=a.composites.concat(b.composites)),a},c.addBody=function(a,b){return a.bodies=a.bodies||[],a.bodies.push(b),a},c.addConstraint=function(a,b){return a.constraints=a.constraints||[],a.constraints.push(b),a}}();var d={};!function(){d.create=function(a){var b={gravity:{x:0,y:1},bodies:[],constraints:[],bounds:{min:{x:0,y:0},max:{x:800,y:600}}};return n.extend(b,a)},d.clear=function(a,b){a.bodies=b?a.bodies.filter(function(a){return a.isStatic}):[],a.constraints=[]}}();var e={};!function(){e.create=function(a){return{id:e.id(a),vertex:a,normalImpulse:0,tangentImpulse:0}},e.id=function(a){return a.body.id+"_"+a.index}}();var f={};!function(){f.collisions=function(a,b){for(var c=[],d=0;d<a.length;d++){var e=a[d][0],f=a[d][1];if(!(e.groupId&&f.groupId&&e.groupId===f.groupId||(e.isStatic||e.isSleeping)&&(f.isStatic||f.isSleeping)||(b.midphaseTests+=1,!w.overlaps(e.bounds,f.bounds)))){var g=k.collides(e,f);b.narrowphaseTests+=1,g.collided&&(c.push(g),b.narrowDetections+=1)}}return c},f.bruteForce=function(a,b){for(var c=[],d=0;d<a.length;d++)for(var e=d+1;e<a.length;e++){var f=a[d],g=a[e];if(!(f.groupId&&g.groupId&&f.groupId===g.groupId||(f.isStatic||f.isSleeping)&&(g.isStatic||g.isSleeping)||(b.midphaseTests+=1,!w.overlaps(f.bounds,g.bounds)))){var h=k.collides(f,g);b.narrowphaseTests+=1,h.collided&&(c.push(h),b.narrowDetections+=1)}}return c}}();var g={};!function(){g.create=function(a,b){return{buckets:{},pairs:{},pairsList:[],bucketWidth:a||48,bucketHeight:b||48}},g.update=function(c,g,i,k){var l,m,n,o,p,q=i.world,r=c.buckets,s=i.metrics,t=!1;for(s.broadphaseTests=0,l=0;l<g.length;l++){var u=g[l];if(!u.isSleeping&&!(u.bounds.max.x<0||u.bounds.min.x>q.bounds.width||u.bounds.max.y<0||u.bounds.min.y>q.bounds.height)){var v=b(c,u);if(!u.region||v.id!==u.region.id||k){s.broadphaseTests+=1,(!u.region||k)&&(u.region=v);var w=a(v,u.region);for(m=w.startCol;m<=w.endCol;m++)for(n=w.startRow;n<=w.endRow;n++){p=d(m,n),o=r[p];var 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c,d,e,f,g=b.list,h=b.table,i=n.now(),j=[];for(f=0;f<g.length;f++)c=g[f],d=c.collision,d.bodyA.isSleeping||d.bodyB.isSleeping?c.timeUpdated=i:i-c.timeUpdated>a&&j.push(f);for(f=0;f<j.length;f++)e=j[f],c=g[e],delete h[c.id],g.splice(e,1)}}();var i={};!function(){i.create=function(a){var b=a.bodyA,c=a.bodyB,d=n.now(),e={id:i.id(b,c),bodyA:b,bodyB:c,contacts:{},activeContacts:[],separation:0,isActive:!0,timeCreated:d,timeUpdated:d,inverseMass:b.inverseMass+c.inverseMass,friction:Math.min(b.friction,c.friction),restitution:Math.max(b.restitution,c.restitution),slop:Math.max(b.slop,c.slop)};return i.update(e,a),e},i.update=function(a,b){var c=a.contacts,d=b.supports,f=[];if(a.collision=b,b.collided){for(var g=0;g<d.length;g++){var h=d[g],j=e.id(h);f.push(j in c?c[j]:c[j]=e.create(h))}a.activeContacts=f,a.separation=b.depth,i.setActive(a,!0)}else i.setActive(a,!1)},i.setActive=function(a,b){b?(a.isActive=!0,a.timeUpdated=n.now()):(a.isActive=!1,a.activeContacts=[])},i.id=function(a,b){return a.id<b.id?a.id+"_"+b.id:b.id+"_"+a.id}}();var j={};!function(){var a=4,b=.2,c=.6;j.solvePosition=function(a){var c,d,e,f,g,h,i,j,k;for(c=0;c<a.length;c++)d=a[c],d.isActive&&(e=d.collision,f=e.bodyA,g=e.bodyB,h=e.supports[0],i=e.supportCorrected,j=e.normal,k=x.sub(x.add(g.positionImpulse,h),x.add(f.positionImpulse,i)),d.separation=x.dot(j,k));for(c=0;c<a.length;c++)d=a[c],d.isActive&&(e=d.collision,f=e.bodyA,g=e.bodyB,j=e.normal,positionImpulse=d.separation*b-d.slop,(f.isStatic||g.isStatic)&&(positionImpulse*=2),f.isStatic||f.isSleeping||(f.positionImpulse.x+=j.x*positionImpulse,f.positionImpulse.y+=j.y*positionImpulse),g.isStatic||g.isSleeping||(g.positionImpulse.x-=j.x*positionImpulse,g.positionImpulse.y-=j.y*positionImpulse))},j.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,y.translate(d.vertices,d.positionImpulse),w.update(d.bounds,d.vertices,d.velocity),d.positionImpulse.x*=c,d.positionImpulse.y*=c)}},j.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=x.sub(l,g.position),g.positionPrev.x+=p.x*g.inverseMass,g.positionPrev.y+=p.y*g.inverseMass,g.anglePrev+=x.cross(o,p)*g.inverseInertia),h.isStatic||h.isSleeping||(o=x.sub(l,h.position),h.positionPrev.x-=p.x*h.inverseMass,h.positionPrev.y-=p.y*h.inverseMass,h.anglePrev-=x.cross(o,p)*h.inverseInertia)},j.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 o=k[m],p=o.vertex,q=x.sub(p,g.position),r=x.sub(p,h.position),s=x.add(g.velocity,x.mult(x.perp(q),g.angularVelocity)),t=x.add(h.velocity,x.mult(x.perp(r),h.angularVelocity)),u=x.sub(s,t),v=x.dot(i,u),w=x.dot(j,u),y=Math.abs(w),z=n.sign(w),A=(1+e.restitution)*v,B=n.clamp(e.separation+v,0,1),C=w;y>B*e.friction&&(C=B*e.friction*z);var D=x.cross(q,i),E=x.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)o.normalImpulse=0,o.tangentImpulse=0;else{var G=o.normalImpulse;o.normalImpulse=Math.min(o.normalImpulse+A,0),A=o.normalImpulse-G;var H=o.tangentImpulse;o.tangentImpulse=n.clamp(o.tangentImpulse+C,-y,y),C=o.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+=x.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-=x.cross(r,c)*h.inverseInertia)}}}}}();var k={};!function(){k.collides=function(b,d){var e,f,g,h={collided:!1,bodyA:b,bodyB:d};if(e=a(b.vertices,d.vertices,b.axes),0===e.overlap)return h;if(f=a(d.vertices,b.vertices,d.axes),0===f.overlap)return h;e.overlap<f.overlap?g=e:(g=f,h.bodyA=d,h.bodyB=b),h.collided=!0,h.normal=g.axis,h.depth=g.overlap,b=h.bodyA,d=h.bodyB,x.dot(h.normal,x.sub(d.position,b.position))>0&&(h.normal=x.neg(h.normal)),h.tangent=x.perp(h.normal),h.penetration={x:h.normal.x*h.depth,y:h.normal.y*h.depth};var i=c(b,d,h.normal),j=[i[0]];if(y.contains(b.vertices,i[1]))j.push(i[1]);else{var k=c(d,b,x.neg(h.normal));y.contains(d.vertices,k[0])&&j.push(k[0]),j.length<2&&y.contains(d.vertices,k[1])&&j.push(k[1])}return h.supports=j,h.supportCorrected=x.sub(i[0],h.penetration),h};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{overlap:0};e<i.overlap&&(i.overlap=e,i.axis=f)}return i},b=function(a,b,c){for(var d=x.dot(b[0],c),e=d,f=1;f<b.length;f+=1){var g=x.dot(b[f],c);g>e?e=g:d>g&&(d=g)}a.min=d,a.max=e},c=function(a,b,c){for(var d,e,f=Number.MAX_VALUE,g={x:0,y:0},h=b.vertices,i=a.position,j=h[0],k=h[1],l=0;l<h.length;l++)e=h[l],g.x=e.x-i.x,g.y=e.y-i.y,d=-x.dot(c,g),f>d&&(f=d,j=e);var m=j.index-1>=0?j.index-1:h.length-1;e=h[m],g.x=e.x-i.x,g.y=e.y-i.y,f=-x.dot(c,g),k=e;var n=(j.index+1)%h.length;return e=h[n],g.x=e.x-i.x,g.y=e.y-i.y,d=-x.dot(c,g),f>d&&(f=d,k=e),[j,k]}}();var l={};!function(){var a=1e-6;l.create=function(b){var c=b;c.bodyA&&!c.pointA&&(c.pointA={x:0,y:0}),c.bodyB&&!c.pointB&&(c.pointB={x:0,y:0});var d=c.bodyA?x.add(c.bodyA.position,c.pointA):c.pointA,e=c.bodyB?x.add(c.bodyB.position,c.pointB):c.pointB,f=x.magnitude(x.sub(d,e));return c.length=c.length||f||a,c.lineWidth=c.lineWidth||2,c.strokeStyle=c.strokeStyle||"#666",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},l.updateAll=function(a){for(var b=0;b<a.length;b++)l.update(a[b])},l.update=function(b){var c=b.bodyA,d=b.bodyB,e=b.pointA,f=b.pointB;c&&!c.isStatic&&(b.pointA=x.rotate(e,c.angle-b.angleA),b.angleA=c.angle),d&&!d.isStatic&&(b.pointB=x.rotate(f,d.angle-b.angleB),b.angleB=d.angle);var g=e,h=f;if(c&&(g=x.add(c.position,e)),d&&(h=x.add(d.position,f)),g&&h){var i=x.sub(g,h),j=x.magnitude(i);0===j&&(j=a);var 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b,c=a.render,d=a.world,e=c.canvas,f=c.context,g=c.options;if(f.fillStyle=g.wireframes?g.wireframeBackground:g.background,f.fillRect(0,0,e.width,e.height),g.showShadows&&!g.wireframes)for(b=0;b<d.bodies.length;b++)A.bodyShadow(a,d.bodies[b],f);for(b=0;b<d.bodies.length;b++)A.body(a,d.bodies[b],f);for(b=0;b<d.constraints.length;b++)A.constraint(d.constraints[b],f);if(g.showCollisions)for(b=0;b<a.pairs.list.length;b++)A.collision(a,a.pairs.list[b],f);g.showBroadphase&&"grid"===a.broadphase.current&&A.grid(a,a.broadphase[a.broadphase.current].instance,f),g.showDebug&&A.debug(a,f)},A.debug=function(a,b){var c=b,d=a.world,e=a.render,f=e.options,h="    ";if(a.timing.timestamp-(e.debugTimestamp||0)>=500){var i="";i+="delta: "+a.timing.delta.toFixed(3)+h,i+="fps: "+Math.round(a.timing.fps)+h,i+="correction: "+a.timing.correction.toFixed(3)+h,i+="bodies: "+d.bodies.length+h,a.broadphase.controller===g&&(i+="buckets: "+a.metrics.buckets+h),i+="\n",i+="collisions: 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g=1;g<b.vertices.length;g++)d.lineTo(b.vertices[g].x,b.vertices[g].y);d.closePath()}if(f.wireframes?(d.lineWidth=1,d.strokeStyle="#bbb",f.showSleeping&&b.isSleeping&&(d.strokeStyle="rgba(255,255,255,0.2)"),d.stroke()):(d.fillStyle=b.fillStyle,f.showSleeping&&b.isSleeping&&(d.fillStyle=n.shadeColor(b.fillStyle,50)),d.lineWidth=b.lineWidth,d.strokeStyle=b.strokeStyle,d.fill(),d.stroke()),f.showAngleIndicator&&!f.showAxes&&(d.beginPath(),d.moveTo(b.position.x,b.position.y),d.lineTo((b.vertices[0].x+b.vertices[b.vertices.length-1].x)/2,(b.vertices[0].y+b.vertices[b.vertices.length-1].y)/2),d.lineWidth=1,d.strokeStyle=f.wireframes?"indianred":b.strokeStyle,d.stroke()),f.showAxes)for(var h=0;h<b.axes.length;h++){var i=b.axes[h];d.beginPath(),d.moveTo(b.position.x,b.position.y),d.lineTo(b.position.x+20*i.x,b.position.y+20*i.y),d.lineWidth=1,d.strokeStyle=f.wireframes?"indianred":b.strokeStyle,d.stroke()}f.showPositions&&(d.beginPath(),d.arc(b.position.x,b.position.y,3,0,2*Math.PI,!1),d.fillStyle=f.wireframes?"indianred":"rgba(0,0,0,0.5)",d.fill(),d.beginPath(),d.arc(b.positionPrev.x,b.positionPrev.y,2,0,2*Math.PI,!1),d.fillStyle="rgba(255,165,0,0.8)",d.fill()),f.showVelocity&&(d.beginPath(),d.moveTo(b.position.x,b.position.y),d.lineTo(b.position.x+2*(b.position.x-b.positionPrev.x),b.position.y+2*(b.position.y-b.positionPrev.y)),d.lineWidth=3,d.strokeStyle="cornflowerblue",d.stroke()),f.showIds&&(d.font="12px Arial",d.fillStyle="rgba(255,255,255,0.5)",d.fillText(b.id,b.position.x+10,b.position.y-10))},A.collision=function(a,b,c){for(var d=c,e=b.collision,f=a.render.options,g=0;g<b.activeContacts.length;g++){var h=b.activeContacts[g],i=h.vertex;d.beginPath(),d.rect(i.x-1.5,i.y-1.5,3.5,3.5),d.fillStyle=f.wireframes?"rgba(255,255,255,0.7)":"orange",d.fill()}if(b.activeContacts.length>0){var j=b.activeContacts[0].vertex.x,k=b.activeContacts[0].vertex.y;2===b.activeContacts.length&&(j=(b.activeContacts[0].vertex.x+b.activeContacts[1].vertex.x)/2,k=(b.activeContacts[0].vertex.y+b.activeContacts[1].vertex.y)/2),d.beginPath(),d.moveTo(j-8*e.normal.x,k-8*e.normal.y),d.lineWidth=1,d.lineTo(j,k),d.strokeStyle=f.wireframes?"rgba(255,165,0,0.7)":"orange",d.stroke()}},A.grid=function(a,b,c){var d=c,e=a.render.options;d.lineWidth=1,d.strokeStyle=e.wireframes?"rgba(255,180,0,0.1)":"rgba(255,180,0,0.5)";for(var f=n.keys(b.buckets),g=0;g<f.length;g++){var h=f[g];if(!(b.buckets[h].length<2)){var i=h.split(",");d.beginPath(),d.rect(.5+parseInt(i[0],10)*b.bucketWidth,.5+parseInt(i[1],10)*b.bucketHeight,b.bucketWidth,b.bucketHeight),d.stroke()}}};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}}(),d.addComposite=c.add,d.addBody=c.addBody,d.addConstraint=c.addConstraint,a.Body=b,a.Composite=c,a.World=d,a.Contact=e,a.Detector=f,a.Grid=g,a.Manager=h,a.Pair=i,a.Resolver=j,a.SAT=k,a.Constraint=l,a.MouseConstraint=m,a.Common=n,a.Engine=o,a.Metrics=q,a.Mouse=r,a.Sleeping=s,a.Bodies=t,a.Composites=u,a.Axes=v,a.Bounds=w,a.Vector=x,a.Vertices=y,a.Gui=z,a.Render=A,a.Events=p,"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)}();