diff --git a/build/game.js b/build/game.js
new file mode 100644
index 0000000..45bee88
--- /dev/null
+++ b/build/game.js
@@ -0,0 +1,6 @@
+/**
+ * @link https://couchfriends.com
+ * @license MIT
+ */
+
+!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).Matter=e()}}(function(){return function r(s,a,l){function c(t,e){if(!a[t]){if(!s[t]){var n="function"==typeof require&&require;if(!e&&n)return n(t,!0);if(d)return d(t,!0);var o=new Error("Cannot find module '"+t+"'");throw o.code="MODULE_NOT_FOUND",o}var i=a[t]={exports:{}};s[t][0].call(i.exports,function(e){return c(s[t][1][e]||e)},i,i.exports,r,s,a,l)}return a[t].exports}for(var d="function"==typeof require&&require,e=0;e<l.length;e++)c(l[e]);return c}({1:[function(e,t,n){var c={};t.exports=c;var d=e("../geometry/Vertices"),u=e("../geometry/Vector"),i=e("../core/Sleeping"),r=(e("../render/Render"),e("../core/Common")),p=e("../geometry/Bounds"),m=e("../geometry/Axes");!function(){c._inertiaScale=4,c._nextCollidingGroupId=1,c._nextNonCollidingGroupId=-1,c._nextCategory=1,c.create=function(e){var t={id:r.nextId(),type:"body",label:"Body",parts:[],plugin:{},angle:0,vertices:d.fromPath("L 0 0 L 40 0 L 40 40 L 0 40"),position:{x:0,y:0},force:{x:0,y:0},torque:0,positionImpulse:{x:0,y:0},constraintImpulse:{x:0,y:0,angle:0},totalContacts:0,speed:0,angularSpeed:0,velocity:{x:0,y:0},angularVelocity:0,isSensor:!1,isStatic:!1,isSleeping:!1,motion:0,sleepThreshold:60,density:.001,restitution:0,friction:.1,frictionStatic:.5,frictionAir:.01,collisionFilter:{category:1,mask:4294967295,group:0},slop:.05,timeScale:1,render:{visible:!0,opacity:1,sprite:{xScale:1,yScale:1,xOffset:0,yOffset:0},lineWidth:0}},n=r.extend(t,e);return o(n,e),n},c.nextGroup=function(e){return e?c._nextNonCollidingGroupId--:c._nextCollidingGroupId++},c.nextCategory=function(){return c._nextCategory=c._nextCategory<<1,c._nextCategory};var o=function(e,t){t=t||{},c.set(e,{bounds:e.bounds||p.create(e.vertices),positionPrev:e.positionPrev||u.clone(e.position),anglePrev:e.anglePrev||e.angle,vertices:e.vertices,parts:e.parts||[e],isStatic:e.isStatic,isSleeping:e.isSleeping,parent:e.parent||e}),d.rotate(e.vertices,e.angle,e.position),m.rotate(e.axes,e.angle),p.update(e.bounds,e.vertices,e.velocity),c.set(e,{axes:t.axes||e.axes,area:t.area||e.area,mass:t.mass||e.mass,inertia:t.inertia||e.inertia});var n=e.isStatic?"#2e2b44":r.choose(["#006BA6","#0496FF","#FFBC42","#D81159","#8F2D56"]);e.render.fillStyle=e.render.fillStyle||n,e.render.strokeStyle=e.render.strokeStyle||"#000",e.render.sprite.xOffset+=-(e.bounds.min.x-e.position.x)/(e.bounds.max.x-e.bounds.min.x),e.render.sprite.yOffset+=-(e.bounds.min.y-e.position.y)/(e.bounds.max.y-e.bounds.min.y)};c.set=function(e,t,n){var o;for(o in"string"==typeof t&&(o=t,(t={})[o]=n),t)if(n=t[o],t.hasOwnProperty(o))switch(o){case"isStatic":c.setStatic(e,n);break;case"isSleeping":i.set(e,n);break;case"mass":c.setMass(e,n);break;case"density":c.setDensity(e,n);break;case"inertia":c.setInertia(e,n);break;case"vertices":c.setVertices(e,n);break;case"position":c.setPosition(e,n);break;case"angle":c.setAngle(e,n);break;case"velocity":c.setVelocity(e,n);break;case"angularVelocity":c.setAngularVelocity(e,n);break;case"parts":c.setParts(e,n);break;default:e[o]=n}},c.setStatic=function(e,t){for(var n=0;n<e.parts.length;n++){var o=e.parts[n];(o.isStatic=t)?(o._original={restitution:o.restitution,friction:o.friction,mass:o.mass,inertia:o.inertia,density:o.density,inverseMass:o.inverseMass,inverseInertia:o.inverseInertia},o.restitution=0,o.friction=1,o.mass=o.inertia=o.density=1/0,o.inverseMass=o.inverseInertia=0,o.positionPrev.x=o.position.x,o.positionPrev.y=o.position.y,o.anglePrev=o.angle,o.angularVelocity=0,o.speed=0,o.angularSpeed=0,o.motion=0):o._original&&(o.restitution=o._original.restitution,o.friction=o._original.friction,o.mass=o._original.mass,o.inertia=o._original.inertia,o.density=o._original.density,o.inverseMass=o._original.inverseMass,o.inverseInertia=o._original.inverseInertia,delete o._original)}},c.setMass=function(e,t){var n=e.inertia/(e.mass/6);e.inertia=n*(t/6),e.inverseInertia=1/e.inertia,e.mass=t,e.inverseMass=1/e.mass,e.density=e.mass/e.area},c.setDensity=function(e,t){c.setMass(e,t*e.area),e.density=t},c.setInertia=function(e,t){e.inertia=t,e.inverseInertia=1/e.inertia},c.setVertices=function(e,t){t[0].body===e?e.vertices=t:e.vertices=d.create(t,e),e.axes=m.fromVertices(e.vertices),e.area=d.area(e.vertices),c.setMass(e,e.density*e.area);var n=d.centre(e.vertices);d.translate(e.vertices,n,-1),c.setInertia(e,c._inertiaScale*d.inertia(e.vertices,e.mass)),d.translate(e.vertices,e.position),p.update(e.bounds,e.vertices,e.velocity)},c.setParts=function(e,t,n){var o;for(t=t.slice(0),e.parts.length=0,e.parts.push(e),e.parent=e,o=0;o<t.length;o++){var i=t[o];i!==e&&(i.parent=e).parts.push(i)}if(1!==e.parts.length){if(n=void 0===n||n){var r=[];for(o=0;o<t.length;o++)r=r.concat(t[o].vertices);d.clockwiseSort(r);var s=d.hull(r),a=d.centre(s);c.setVertices(e,s),d.translate(e.vertices,a)}var l=c._totalProperties(e);e.area=l.area,(e.parent=e).position.x=l.centre.x,e.position.y=l.centre.y,e.positionPrev.x=l.centre.x,e.positionPrev.y=l.centre.y,c.setMass(e,l.mass),c.setInertia(e,l.inertia),c.setPosition(e,l.centre)}},c.setPosition=function(e,t){var n=u.sub(t,e.position);e.positionPrev.x+=n.x,e.positionPrev.y+=n.y;for(var o=0;o<e.parts.length;o++){var i=e.parts[o];i.position.x+=n.x,i.position.y+=n.y,d.translate(i.vertices,n),p.update(i.bounds,i.vertices,e.velocity)}},c.setAngle=function(e,t){var n=t-e.angle;e.anglePrev+=n;for(var o=0;o<e.parts.length;o++){var i=e.parts[o];i.angle+=n,d.rotate(i.vertices,n,e.position),m.rotate(i.axes,n),p.update(i.bounds,i.vertices,e.velocity),0<o&&u.rotateAbout(i.position,n,e.position,i.position)}},c.setVelocity=function(e,t){e.positionPrev.x=e.position.x-t.x,e.positionPrev.y=e.position.y-t.y,e.velocity.x=t.x,e.velocity.y=t.y,e.speed=u.magnitude(e.velocity)},c.setAngularVelocity=function(e,t){e.anglePrev=e.angle-t,e.angularVelocity=t,e.angularSpeed=Math.abs(e.angularVelocity)},c.translate=function(e,t){c.setPosition(e,u.add(e.position,t))},c.rotate=function(e,t,n){if(n){var o=Math.cos(t),i=Math.sin(t),r=e.position.x-n.x,s=e.position.y-n.y;c.setPosition(e,{x:n.x+(r*o-s*i),y:n.y+(r*i+s*o)}),c.setAngle(e,e.angle+t)}else c.setAngle(e,e.angle+t)},c.scale=function(e,t,n,o){var i=0,r=0;o=o||e.position;for(var s=0;s<e.parts.length;s++){var a=e.parts[s];d.scale(a.vertices,t,n,o),a.axes=m.fromVertices(a.vertices),a.area=d.area(a.vertices),c.setMass(a,e.density*a.area),d.translate(a.vertices,{x:-a.position.x,y:-a.position.y}),c.setInertia(a,c._inertiaScale*d.inertia(a.vertices,a.mass)),d.translate(a.vertices,{x:a.position.x,y:a.position.y}),0<s&&(i+=a.area,r+=a.inertia),a.position.x=o.x+(a.position.x-o.x)*t,a.position.y=o.y+(a.position.y-o.y)*n,p.update(a.bounds,a.vertices,e.velocity)}1<e.parts.length&&(e.area=i,e.isStatic||(c.setMass(e,e.density*i),c.setInertia(e,r))),e.circleRadius&&(t===n?e.circleRadius*=t:e.circleRadius=null)},c.update=function(e,t,n,o){var i=Math.pow(t*n*e.timeScale,2),r=1-e.frictionAir*n*e.timeScale,s=e.position.x-e.positionPrev.x,a=e.position.y-e.positionPrev.y;e.velocity.x=s*r*o+e.force.x/e.mass*i,e.velocity.y=a*r*o+e.force.y/e.mass*i,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.angularVelocity=(e.angle-e.anglePrev)*r*o+e.torque/e.inertia*i,e.anglePrev=e.angle,e.angle+=e.angularVelocity,e.speed=u.magnitude(e.velocity),e.angularSpeed=Math.abs(e.angularVelocity);for(var l=0;l<e.parts.length;l++){var c=e.parts[l];d.translate(c.vertices,e.velocity),0<l&&(c.position.x+=e.velocity.x,c.position.y+=e.velocity.y),0!==e.angularVelocity&&(d.rotate(c.vertices,e.angularVelocity,e.position),m.rotate(c.axes,e.angularVelocity),0<l&&u.rotateAbout(c.position,e.angularVelocity,e.position,c.position)),p.update(c.bounds,c.vertices,e.velocity)}},c.applyForce=function(e,t,n){e.force.x+=n.x,e.force.y+=n.y;var o=t.x-e.position.x,i=t.y-e.position.y;e.torque+=o*n.y-i*n.x},c._totalProperties=function(e){for(var t={mass:0,area:0,inertia:0,centre:{x:0,y:0}},n=1===e.parts.length?0:1;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=u.add(t.centre,u.mult(o.position,i))}return t.centre=u.div(t.centre,t.mass),t}}()},{"../core/Common":14,"../core/Sleeping":22,"../geometry/Axes":25,"../geometry/Bounds":26,"../geometry/Vector":28,"../geometry/Vertices":29,"../render/Render":31}],2:[function(e,t,n){var u={};t.exports=u;var s=e("../core/Events"),r=e("../core/Common"),a=e("../geometry/Bounds"),p=e("./Body");u.create=function(e){return r.extend({id:r.nextId(),type:"composite",parent:null,isModified:!1,bodies:[],constraints:[],composites:[],label:"Composite",plugin:{}},e)},u.setModified=function(e,t,n,o){if(e.isModified=t,n&&e.parent&&u.setModified(e.parent,t,n,o),o)for(var i=0;i<e.composites.length;i++){var r=e.composites[i];u.setModified(r,t,n,o)}},u.add=function(e,t){var n=[].concat(t);s.trigger(e,"beforeAdd",{object:t});for(var o=0;o<n.length;o++){var i=n[o];switch(i.type){case"body":if(i.parent!==i){r.warn("Composite.add: skipped adding a compound body part (you must add its parent instead)");break}u.addBody(e,i);break;case"constraint":u.addConstraint(e,i);break;case"composite":u.addComposite(e,i);break;case"mouseConstraint":u.addConstraint(e,i.constraint)}}return s.trigger(e,"afterAdd",{object:t}),e},u.remove=function(e,t,n){var o=[].concat(t);s.trigger(e,"beforeRemove",{object:t});for(var i=0;i<o.length;i++){var r=o[i];switch(r.type){case"body":u.removeBody(e,r,n);break;case"constraint":u.removeConstraint(e,r,n);break;case"composite":u.removeComposite(e,r,n);break;case"mouseConstraint":u.removeConstraint(e,r.constraint)}}return s.trigger(e,"afterRemove",{object:t}),e},u.addComposite=function(e,t){return e.composites.push(t),t.parent=e,u.setModified(e,!0,!0,!1),e},u.removeComposite=function(e,t,n){var o=r.indexOf(e.composites,t);if(-1!==o&&(u.removeCompositeAt(e,o),u.setModified(e,!0,!0,!1)),n)for(var i=0;i<e.composites.length;i++)u.removeComposite(e.composites[i],t,!0);return e},u.removeCompositeAt=function(e,t){return e.composites.splice(t,1),u.setModified(e,!0,!0,!1),e},u.addBody=function(e,t){return e.bodies.push(t),u.setModified(e,!0,!0,!1),e},u.removeBody=function(e,t,n){var o=r.indexOf(e.bodies,t);if(-1!==o&&(u.removeBodyAt(e,o),u.setModified(e,!0,!0,!1)),n)for(var i=0;i<e.composites.length;i++)u.removeBody(e.composites[i],t,!0);return e},u.removeBodyAt=function(e,t){return e.bodies.splice(t,1),u.setModified(e,!0,!0,!1),e},u.addConstraint=function(e,t){return e.constraints.push(t),u.setModified(e,!0,!0,!1),e},u.removeConstraint=function(e,t,n){var o=r.indexOf(e.constraints,t);if(-1!==o&&u.removeConstraintAt(e,o),n)for(var i=0;i<e.composites.length;i++)u.removeConstraint(e.composites[i],t,!0);return e},u.removeConstraintAt=function(e,t){return e.constraints.splice(t,1),u.setModified(e,!0,!0,!1),e},u.clear=function(e,t,n){if(n)for(var o=0;o<e.composites.length;o++)u.clear(e.composites[o],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,u.setModified(e,!0,!0,!1),e},u.allBodies=function(e){for(var t=[].concat(e.bodies),n=0;n<e.composites.length;n++)t=t.concat(u.allBodies(e.composites[n]));return t},u.allConstraints=function(e){for(var t=[].concat(e.constraints),n=0;n<e.composites.length;n++)t=t.concat(u.allConstraints(e.composites[n]));return t},u.allComposites=function(e){for(var t=[].concat(e.composites),n=0;n<e.composites.length;n++)t=t.concat(u.allComposites(e.composites[n]));return t},u.get=function(e,t,n){var o,i;switch(n){case"body":o=u.allBodies(e);break;case"constraint":o=u.allConstraints(e);break;case"composite":o=u.allComposites(e).concat(e)}return o?0===(i=o.filter(function(e){return e.id.toString()===t.toString()})).length?null:i[0]:null},u.move=function(e,t,n){return u.remove(e,t),u.add(n,t),e},u.rebase=function(e){for(var t=u.allBodies(e).concat(u.allConstraints(e)).concat(u.allComposites(e)),n=0;n<t.length;n++)t[n].id=r.nextId();return u.setModified(e,!0,!0,!1),e},u.translate=function(e,t,n){for(var o=n?u.allBodies(e):e.bodies,i=0;i<o.length;i++)p.translate(o[i],t);return u.setModified(e,!0,!0,!1),e},u.rotate=function(e,t,n,o){for(var i=Math.cos(t),r=Math.sin(t),s=o?u.allBodies(e):e.bodies,a=0;a<s.length;a++){var l=s[a],c=l.position.x-n.x,d=l.position.y-n.y;p.setPosition(l,{x:n.x+(c*i-d*r),y:n.y+(c*r+d*i)}),p.rotate(l,t)}return u.setModified(e,!0,!0,!1),e},u.scale=function(e,t,n,o,i){for(var r=i?u.allBodies(e):e.bodies,s=0;s<r.length;s++){var a=r[s],l=a.position.x-o.x,c=a.position.y-o.y;p.setPosition(a,{x:o.x+l*t,y:o.y+c*n}),p.scale(a,t,n)}return u.setModified(e,!0,!0,!1),e},u.bounds=function(e){for(var t=u.allBodies(e),n=[],o=0;o<t.length;o+=1){var i=t[o];n.push(i.bounds.min,i.bounds.max)}return a.create(n)}},{"../core/Common":14,"../core/Events":16,"../geometry/Bounds":26,"./Body":1}],3:[function(e,t,n){var o={};t.exports=o;var i=e("./Composite"),r=(e("../constraint/Constraint"),e("../core/Common"));o.create=function(e){var t=i.create(),n={label:"World",gravity:{x:0,y:1,scale:.001},bounds:{min:{x:-1/0,y:-1/0},max:{x:1/0,y:1/0}}};return r.extend(t,n,e)}},{"../constraint/Constraint":12,"../core/Common":14,"./Composite":2}],4:[function(e,t,n){var o={};(t.exports=o).create=function(e){return{id:o.id(e),vertex:e,normalImpulse:0,tangentImpulse:0}},o.id=function(e){return e.body.id+"_"+e.index}},{}],5:[function(e,t,n){var f={};t.exports=f;var v=e("./SAT"),y=e("./Pair"),g=e("../geometry/Bounds");f.collisions=function(e,t){for(var n=[],o=t.pairs.table,i=0;i<e.length;i++){var r=e[i][0],s=e[i][1];if((!r.isStatic&&!r.isSleeping||!s.isStatic&&!s.isSleeping)&&f.canCollide(r.collisionFilter,s.collisionFilter)&&g.overlaps(r.bounds,s.bounds))for(var a=1<r.parts.length?1:0;a<r.parts.length;a++)for(var l=r.parts[a],c=1<s.parts.length?1:0;c<s.parts.length;c++){var d=s.parts[c];if(l===r&&d===s||g.overlaps(l.bounds,d.bounds)){var u,p=o[y.id(l,d)];u=p&&p.isActive?p.collision:null;var m=v.collides(l,d,u);m.collided&&n.push(m)}}}return n},f.canCollide=function(e,t){return e.group===t.group&&0!==e.group?0<e.group:0!=(e.mask&t.category)&&0!=(t.mask&e.category)}},{"../geometry/Bounds":26,"./Pair":7,"./SAT":11}],6:[function(e,t,n){var g={};t.exports=g;var a=e("./Pair"),o=e("./Detector"),l=e("../core/Common");g.create=function(e){var t={controller:g,detector:o.collisions,buckets:{},pairs:{},pairsList:[],bucketWidth:48,bucketHeight:48};return l.extend(t,e)},g.update=function(e,t,n,o){var i,r,s,a,l,c=n.world,d=e.buckets,u=!1;for(i=0;i<t.length;i++){var p=t[i];if((!p.isSleeping||o)&&!(p.bounds.max.x<c.bounds.min.x||p.bounds.min.x>c.bounds.max.x||p.bounds.max.y<c.bounds.min.y||p.bounds.min.y>c.bounds.max.y)){var m=g._getRegion(e,p);if(!p.region||m.id!==p.region.id||o){p.region&&!o||(p.region=m);var f=g._regionUnion(m,p.region);for(r=f.startCol;r<=f.endCol;r++)for(s=f.startRow;s<=f.endRow;s++){a=d[l=g._getBucketId(r,s)];var v=r>=m.startCol&&r<=m.endCol&&s>=m.startRow&&s<=m.endRow,y=r>=p.region.startCol&&r<=p.region.endCol&&s>=p.region.startRow&&s<=p.region.endRow;!v&&y&&y&&a&&g._bucketRemoveBody(e,a,p),(p.region===m||v&&!y||o)&&(a||(a=g._createBucket(d,l)),g._bucketAddBody(e,a,p))}p.region=m,u=!0}}}u&&(e.pairsList=g._createActivePairsList(e))},g.clear=function(e){e.buckets={},e.pairs={},e.pairsList=[]},g._regionUnion=function(e,t){var n=Math.min(e.startCol,t.startCol),o=Math.max(e.endCol,t.endCol),i=Math.min(e.startRow,t.startRow),r=Math.max(e.endRow,t.endRow);return g._createRegion(n,o,i,r)},g._getRegion=function(e,t){var n=t.bounds,o=Math.floor(n.min.x/e.bucketWidth),i=Math.floor(n.max.x/e.bucketWidth),r=Math.floor(n.min.y/e.bucketHeight),s=Math.floor(n.max.y/e.bucketHeight);return g._createRegion(o,i,r,s)},g._createRegion=function(e,t,n,o){return{id:e+","+t+","+n+","+o,startCol:e,endCol:t,startRow:n,endRow:o}},g._getBucketId=function(e,t){return"C"+e+"R"+t},g._createBucket=function(e,t){return e[t]=[]},g._bucketAddBody=function(e,t,n){for(var o=0;o<t.length;o++){var i=t[o];if(!(n.id===i.id||n.isStatic&&i.isStatic)){var r=a.id(n,i),s=e.pairs[r];s?s[2]+=1:e.pairs[r]=[n,i,1]}}t.push(n)},g._bucketRemoveBody=function(e,t,n){t.splice(l.indexOf(t,n),1);for(var o=0;o<t.length;o++){var i=t[o],r=a.id(n,i),s=e.pairs[r];s&&(s[2]-=1)}},g._createActivePairsList=function(e){var t,n,o=[];t=l.keys(e.pairs);for(var i=0;i<t.length;i++)0<(n=e.pairs[t[i]])[2]?o.push(n):delete e.pairs[t[i]];return o}},{"../core/Common":14,"./Detector":5,"./Pair":7}],7:[function(e,t,n){var p={};t.exports=p;var m=e("./Contact");p.create=function(e,t){var n=e.bodyA,o=e.bodyB,i=e.parentA,r=e.parentB,s={id:p.id(n,o),bodyA:n,bodyB:o,contacts:{},activeContacts:[],separation:0,isActive:!0,isSensor:n.isSensor||o.isSensor,timeCreated:t,timeUpdated:t,inverseMass:i.inverseMass+r.inverseMass,friction:Math.min(i.friction,r.friction),frictionStatic:Math.max(i.frictionStatic,r.frictionStatic),restitution:Math.max(i.restitution,r.restitution),slop:Math.max(i.slop,r.slop)};return p.update(s,e,t),s},p.update=function(e,t,n){var o=e.contacts,i=t.supports,r=e.activeContacts,s=t.parentA,a=t.parentB;if(e.collision=t,e.inverseMass=s.inverseMass+a.inverseMass,e.friction=Math.min(s.friction,a.friction),e.frictionStatic=Math.max(s.frictionStatic,a.frictionStatic),e.restitution=Math.max(s.restitution,a.restitution),e.slop=Math.max(s.slop,a.slop),r.length=0,t.collided){for(var l=0;l<i.length;l++){var c=i[l],d=m.id(c),u=o[d];u?r.push(u):r.push(o[d]=m.create(c))}e.separation=t.depth,p.setActive(e,!0,n)}else!0===e.isActive&&p.setActive(e,!1,n)},p.setActive=function(e,t,n){t?(e.isActive=!0,e.timeUpdated=n):(e.isActive=!1,e.activeContacts.length=0)},p.id=function(e,t){return e.id<t.id?"A"+e.id+"B"+t.id:"A"+t.id+"B"+e.id}},{"./Contact":4}],8:[function(e,t,n){var c={};t.exports=c;var m=e("./Pair"),f=e("../core/Common");c._pairMaxIdleLife=1e3,c.create=function(e){return f.extend({table:{},list:[],collisionStart:[],collisionActive:[],collisionEnd:[]},e)},c.update=function(e,t,n){var o,i,r,s,a=e.list,l=e.table,c=e.collisionStart,d=e.collisionEnd,u=e.collisionActive,p=[];for(c.length=0,d.length=0,s=u.length=0;s<t.length;s++)(o=t[s]).collided&&(i=m.id(o.bodyA,o.bodyB),p.push(i),(r=l[i])?(r.isActive?u.push(r):c.push(r),m.update(r,o,n)):(r=m.create(o,n),l[i]=r,c.push(r),a.push(r)));for(s=0;s<a.length;s++)(r=a[s]).isActive&&-1===f.indexOf(p,r.id)&&(m.setActive(r,!1,n),d.push(r))},c.removeOld=function(e,t){var n,o,i,r,s=e.list,a=e.table,l=[];for(r=0;r<s.length;r++)(o=(n=s[r]).collision).bodyA.isSleeping||o.bodyB.isSleeping?n.timeUpdated=t:t-n.timeUpdated>c._pairMaxIdleLife&&l.push(r);for(r=0;r<l.length;r++)delete a[(n=s[i=l[r]-r]).id],s.splice(i,1)},c.clear=function(e){return e.table={},e.list.length=0,e.collisionStart.length=0,e.collisionActive.length=0,e.collisionEnd.length=0,e}},{"../core/Common":14,"./Pair":7}],9:[function(e,t,n){var p={};t.exports=p;var m=e("../geometry/Vector"),l=e("./SAT"),c=e("../geometry/Bounds"),f=e("../factory/Bodies"),a=e("../geometry/Vertices");p.collides=function(e,t){for(var n=[],o=0;o<t.length;o++){var i=t[o];if(c.overlaps(i.bounds,e.bounds))for(var r=1===i.parts.length?0:1;r<i.parts.length;r++){var s=i.parts[r];if(c.overlaps(s.bounds,e.bounds)){var a=l.collides(s,e);if(a.collided){n.push(a);break}}}}return n},p.ray=function(e,t,n,o){o=o||1e-100;for(var i=m.angle(t,n),r=m.magnitude(m.sub(t,n)),s=.5*(n.x+t.x),a=.5*(n.y+t.y),l=f.rectangle(s,a,r,o,{angle:i}),c=p.collides(l,e),d=0;d<c.length;d+=1){var u=c[d];u.body=u.bodyB=u.bodyA}return c},p.region=function(e,t,n){for(var o=[],i=0;i<e.length;i++){var r=e[i],s=c.overlaps(r.bounds,t);(s&&!n||!s&&n)&&o.push(r)}return o},p.point=function(e,t){for(var n=[],o=0;o<e.length;o++){var i=e[o];if(c.contains(i.bounds,t))for(var r=1===i.parts.length?0:1;r<i.parts.length;r++){var s=i.parts[r];if(c.contains(s.bounds,t)&&a.contains(s.vertices,t)){n.push(i);break}}}return n}},{"../factory/Bodies":23,"../geometry/Bounds":26,"../geometry/Vector":28,"../geometry/Vertices":29,"./SAT":11}],10:[function(e,t,n){var W={};t.exports=W;var r=e("../geometry/Vertices"),D=e("../geometry/Vector"),N=e("../core/Common"),s=e("../geometry/Bounds");W._restingThresh=4,W._restingThreshTangent=6,W._positionDampen=.9,W._positionWarming=.8,W._frictionNormalMultiplier=5,W.preSolvePosition=function(e){var t,n,o;for(t=0;t<e.length;t++)(n=e[t]).isActive&&(o=n.activeContacts.length,n.collision.parentA.totalContacts+=o,n.collision.parentB.totalContacts+=o)},W.solvePosition=function(e,t){var n,o,i,r,s,a,l,c,d,u=D._temp[0],p=D._temp[1],m=D._temp[2],f=D._temp[3];for(n=0;n<e.length;n++)(o=e[n]).isActive&&!o.isSensor&&(r=(i=o.collision).parentA,s=i.parentB,a=i.normal,l=D.sub(D.add(s.positionImpulse,s.position,u),D.add(r.positionImpulse,D.sub(s.position,i.penetration,p),m),f),o.separation=D.dot(a,l));for(n=0;n<e.length;n++)(o=e[n]).isActive&&!o.isSensor&&(r=(i=o.collision).parentA,s=i.parentB,a=i.normal,d=(o.separation-o.slop)*t,(r.isStatic||s.isStatic)&&(d*=2),r.isStatic||r.isSleeping||(c=W._positionDampen/r.totalContacts,r.positionImpulse.x+=a.x*d*c,r.positionImpulse.y+=a.y*d*c),s.isStatic||s.isSleeping||(c=W._positionDampen/s.totalContacts,s.positionImpulse.x-=a.x*d*c,s.positionImpulse.y-=a.y*d*c))},W.postSolvePosition=function(e){for(var t=0;t<e.length;t++){var n=e[t];if((n.totalContacts=0)!==n.positionImpulse.x||0!==n.positionImpulse.y){for(var o=0;o<n.parts.length;o++){var i=n.parts[o];r.translate(i.vertices,n.positionImpulse),s.update(i.bounds,i.vertices,n.velocity),i.position.x+=n.positionImpulse.x,i.position.y+=n.positionImpulse.y}n.positionPrev.x+=n.positionImpulse.x,n.positionPrev.y+=n.positionImpulse.y,D.dot(n.positionImpulse,n.velocity)<0?(n.positionImpulse.x=0,n.positionImpulse.y=0):(n.positionImpulse.x*=W._positionWarming,n.positionImpulse.y*=W._positionWarming)}}},W.preSolveVelocity=function(e){var t,n,o,i,r,s,a,l,c,d,u,p,m,f,v=D._temp[0],y=D._temp[1];for(t=0;t<e.length;t++)if((o=e[t]).isActive&&!o.isSensor)for(i=o.activeContacts,s=(r=o.collision).parentA,a=r.parentB,l=r.normal,c=r.tangent,n=0;n<i.length;n++)u=(d=i[n]).vertex,p=d.normalImpulse,m=d.tangentImpulse,0===p&&0===m||(v.x=l.x*p+c.x*m,v.y=l.y*p+c.y*m,s.isStatic||s.isSleeping||(f=D.sub(u,s.position,y),s.positionPrev.x+=v.x*s.inverseMass,s.positionPrev.y+=v.y*s.inverseMass,s.anglePrev+=D.cross(f,v)*s.inverseInertia),a.isStatic||a.isSleeping||(f=D.sub(u,a.position,y),a.positionPrev.x-=v.x*a.inverseMass,a.positionPrev.y-=v.y*a.inverseMass,a.anglePrev-=D.cross(f,v)*a.inverseInertia))},W.solveVelocity=function(e,t){for(var n=t*t,o=D._temp[0],i=D._temp[1],r=D._temp[2],s=D._temp[3],a=D._temp[4],l=D._temp[5],c=0;c<e.length;c++){var d=e[c];if(d.isActive&&!d.isSensor){var u=d.collision,p=u.parentA,m=u.parentB,f=u.normal,v=u.tangent,y=d.activeContacts,g=1/y.length;p.velocity.x=p.position.x-p.positionPrev.x,p.velocity.y=p.position.y-p.positionPrev.y,m.velocity.x=m.position.x-m.positionPrev.x,m.velocity.y=m.position.y-m.positionPrev.y,p.angularVelocity=p.angle-p.anglePrev,m.angularVelocity=m.angle-m.anglePrev;for(var x=0;x<y.length;x++){var h=y[x],b=h.vertex,w=D.sub(b,p.position,i),S=D.sub(b,m.position,r),C=D.add(p.velocity,D.mult(D.perp(w),p.angularVelocity),s),A=D.add(m.velocity,D.mult(D.perp(S),m.angularVelocity),a),P=D.sub(C,A,l),B=D.dot(f,P),M=D.dot(v,P),k=Math.abs(M),I=N.sign(M),_=(1+d.restitution)*B,T=N.clamp(d.separation+B,0,1)*W._frictionNormalMultiplier,R=M,V=1/0;k>d.friction*d.frictionStatic*T*n&&(V=k,R=N.clamp(d.friction*I*n,-V,V));var E=D.cross(w,f),L=D.cross(S,f),F=g/(p.inverseMass+m.inverseMass+p.inverseInertia*E*E+m.inverseInertia*L*L);if(_*=F,R*=F,B<0&&B*B>W._restingThresh*n)h.normalImpulse=0;else{var O=h.normalImpulse;h.normalImpulse=Math.min(h.normalImpulse+_,0),_=h.normalImpulse-O}if(M*M>W._restingThreshTangent*n)h.tangentImpulse=0;else{var q=h.tangentImpulse;h.tangentImpulse=N.clamp(h.tangentImpulse+R,-V,V),R=h.tangentImpulse-q}o.x=f.x*_+v.x*R,o.y=f.y*_+v.y*R,p.isStatic||p.isSleeping||(p.positionPrev.x+=o.x*p.inverseMass,p.positionPrev.y+=o.y*p.inverseMass,p.anglePrev+=D.cross(w,o)*p.inverseInertia),m.isStatic||m.isSleeping||(m.positionPrev.x-=o.x*m.inverseMass,m.positionPrev.y-=o.y*m.inverseMass,m.anglePrev-=D.cross(S,o)*m.inverseInertia)}}}}},{"../core/Common":14,"../geometry/Bounds":26,"../geometry/Vector":28,"../geometry/Vertices":29}],11:[function(e,t,n){var g={};t.exports=g;var x=e("../geometry/Vertices"),h=e("../geometry/Vector");g.collides=function(e,t,n){var o,i,r,s,a=!1;if(n){var l=e.parent,c=t.parent,d=l.speed*l.speed+l.angularSpeed*l.angularSpeed+c.speed*c.speed+c.angularSpeed*c.angularSpeed;a=n&&n.collided&&d<.2,s=n}else s={collided:!1,bodyA:e,bodyB:t};if(n&&a){var u=s.axisBody,p=u===e?t:e,m=[u.axes[n.axisNumber]];if(r=g._overlapAxes(u.vertices,p.vertices,m),s.reused=!0,r.overlap<=0)return s.collided=!1,s}else{if((o=g._overlapAxes(e.vertices,t.vertices,e.axes)).overlap<=0)return s.collided=!1,s;if((i=g._overlapAxes(t.vertices,e.vertices,t.axes)).overlap<=0)return s.collided=!1,s;o.overlap<i.overlap?(r=o,s.axisBody=e):(r=i,s.axisBody=t),s.axisNumber=r.axisNumber}s.bodyA=e.id<t.id?e:t,s.bodyB=e.id<t.id?t:e,s.collided=!0,s.depth=r.overlap,s.parentA=s.bodyA.parent,s.parentB=s.bodyB.parent,e=s.bodyA,t=s.bodyB,h.dot(r.axis,h.sub(t.position,e.position))<0?s.normal={x:r.axis.x,y:r.axis.y}:s.normal={x:-r.axis.x,y:-r.axis.y},s.tangent=h.perp(s.normal),s.penetration=s.penetration||{},s.penetration.x=s.normal.x*s.depth,s.penetration.y=s.normal.y*s.depth;var f=g._findSupports(e,t,s.normal),v=[];if(x.contains(e.vertices,f[0])&&v.push(f[0]),x.contains(e.vertices,f[1])&&v.push(f[1]),v.length<2){var y=g._findSupports(t,e,h.neg(s.normal));x.contains(t.vertices,y[0])&&v.push(y[0]),v.length<2&&x.contains(t.vertices,y[1])&&v.push(y[1])}return v.length<1&&(v=[f[0]]),s.supports=v,s},g._overlapAxes=function(e,t,n){for(var o,i,r=h._temp[0],s=h._temp[1],a={overlap:Number.MAX_VALUE},l=0;l<n.length;l++){if(i=n[l],g._projectToAxis(r,e,i),g._projectToAxis(s,t,i),(o=Math.min(r.max-s.min,s.max-r.min))<=0)return a.overlap=o,a;o<a.overlap&&(a.overlap=o,a.axis=i,a.axisNumber=l)}return a},g._projectToAxis=function(e,t,n){for(var o=h.dot(t[0],n),i=o,r=1;r<t.length;r+=1){var s=h.dot(t[r],n);i<s?i=s:s<o&&(o=s)}e.min=o,e.max=i},g._findSupports=function(e,t,n){for(var o,i,r,s,a=Number.MAX_VALUE,l=h._temp[0],c=t.vertices,d=e.position,u=0;u<c.length;u++)i=c[u],l.x=i.x-d.x,l.y=i.y-d.y,(o=-h.dot(n,l))<a&&(a=o,r=i);return i=c[0<=r.index-1?r.index-1:c.length-1],l.x=i.x-d.x,l.y=i.y-d.y,a=-h.dot(n,l),s=i,i=c[(r.index+1)%c.length],l.x=i.x-d.x,l.y=i.y-d.y,(o=-h.dot(n,l))<a&&(s=i),[r,s]}},{"../geometry/Vector":28,"../geometry/Vertices":29}],12:[function(e,t,n){var w={};t.exports=w;var s=e("../geometry/Vertices"),S=e("../geometry/Vector"),a=e("../core/Sleeping"),l=e("../geometry/Bounds"),c=e("../geometry/Axes"),d=e("../core/Common");w._warming=.4,w._torqueDampen=1,w._minLength=1e-6,w.create=function(e){var t=e;t.bodyA&&!t.pointA&&(t.pointA={x:0,y:0}),t.bodyB&&!t.pointB&&(t.pointB={x:0,y:0});var n=t.bodyA?S.add(t.bodyA.position,t.pointA):t.pointA,o=t.bodyB?S.add(t.bodyB.position,t.pointB):t.pointB,i=S.magnitude(S.sub(n,o));t.length=void 0!==t.length?t.length:i,t.id=t.id||d.nextId(),t.label=t.label||"Constraint",t.type="constraint",t.stiffness=t.stiffness||(0<t.length?1:.7),t.damping=t.damping||0,t.angularStiffness=t.angularStiffness||0,t.angleA=t.bodyA?t.bodyA.angle:t.angleA,t.angleB=t.bodyB?t.bodyB.angle:t.angleB,t.plugin={};var r={visible:!0,lineWidth:2,strokeStyle:"#ffffff",type:"line",anchors:!0};return 0===t.length&&.1<t.stiffness?(r.type="pin",r.anchors=!1):t.stiffness<.9&&(r.type="spring"),t.render=d.extend(r,t.render),t},w.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)}},w.solveAll=function(e,t){for(var n=0;n<e.length;n+=1){var o=e[n],i=!o.bodyA||o.bodyA&&o.bodyA.isStatic,r=!o.bodyB||o.bodyB&&o.bodyB.isStatic;(i||r)&&w.solve(e[n],t)}for(n=0;n<e.length;n+=1)i=!(o=e[n]).bodyA||o.bodyA&&o.bodyA.isStatic,r=!o.bodyB||o.bodyB&&o.bodyB.isStatic,i||r||w.solve(e[n],t)},w.solve=function(e,t){var n=e.bodyA,o=e.bodyB,i=e.pointA,r=e.pointB;if(n||o){n&&!n.isStatic&&(S.rotate(i,n.angle-e.angleA,i),e.angleA=n.angle),o&&!o.isStatic&&(S.rotate(r,o.angle-e.angleB,r),e.angleB=o.angle);var s=i,a=r;if(n&&(s=S.add(n.position,i)),o&&(a=S.add(o.position,r)),s&&a){var l=S.sub(s,a),c=S.magnitude(l);c<w._minLength&&(c=w._minLength);var d,u,p,m,f,v=(c-e.length)/c,y=e.stiffness<1?e.stiffness*t:e.stiffness,g=S.mult(l,v*y),x=(n?n.inverseMass:0)+(o?o.inverseMass:0),h=x+((n?n.inverseInertia:0)+(o?o.inverseInertia:0));if(e.damping){var b=S.create();p=S.div(l,c),f=S.sub(o&&S.sub(o.position,o.positionPrev)||b,n&&S.sub(n.position,n.positionPrev)||b),m=S.dot(p,f)}n&&!n.isStatic&&(u=n.inverseMass/x,n.constraintImpulse.x-=g.x*u,n.constraintImpulse.y-=g.y*u,n.position.x-=g.x*u,n.position.y-=g.y*u,e.damping&&(n.positionPrev.x-=e.damping*p.x*m*u,n.positionPrev.y-=e.damping*p.y*m*u),d=S.cross(i,g)/h*w._torqueDampen*n.inverseInertia*(1-e.angularStiffness),n.constraintImpulse.angle-=d,n.angle-=d),o&&!o.isStatic&&(u=o.inverseMass/x,o.constraintImpulse.x+=g.x*u,o.constraintImpulse.y+=g.y*u,o.position.x+=g.x*u,o.position.y+=g.y*u,e.damping&&(o.positionPrev.x+=e.damping*p.x*m*u,o.positionPrev.y+=e.damping*p.y*m*u),d=S.cross(r,g)/h*w._torqueDampen*o.inverseInertia*(1-e.angularStiffness),o.constraintImpulse.angle+=d,o.angle+=d)}}},w.postSolveAll=function(e){for(var t=0;t<e.length;t++){var n=e[t],o=n.constraintImpulse;if(!(n.isStatic||0===o.x&&0===o.y&&0===o.angle)){a.set(n,!1);for(var i=0;i<n.parts.length;i++){var r=n.parts[i];s.translate(r.vertices,o),0<i&&(r.position.x+=o.x,r.position.y+=o.y),0!==o.angle&&(s.rotate(r.vertices,o.angle,n.position),c.rotate(r.axes,o.angle),0<i&&S.rotateAbout(r.position,o.angle,n.position,r.position)),l.update(r.bounds,r.vertices,n.velocity)}o.angle*=w._warming,o.x*=w._warming,o.y*=w._warming}}}},{"../core/Common":14,"../core/Sleeping":22,"../geometry/Axes":25,"../geometry/Bounds":26,"../geometry/Vector":28,"../geometry/Vertices":29}],13:[function(e,t,n){var r={};t.exports=r;var l=e("../geometry/Vertices"),c=e("../core/Sleeping"),s=e("../core/Mouse"),d=e("../core/Events"),u=e("../collision/Detector"),a=e("./Constraint"),p=e("../body/Composite"),m=e("../core/Common"),f=e("../geometry/Bounds");r.create=function(t,e){var n=(t?t.mouse:null)||(e?e.mouse:null);n||(t&&t.render&&t.render.canvas?n=s.create(t.render.canvas):e&&e.element?n=s.create(e.element):(n=s.create(),m.warn("MouseConstraint.create: options.mouse was undefined, options.element was undefined, may not 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d={};t.exports=d;var o=e("./Events");d._motionWakeThreshold=.18,d._motionSleepThreshold=.08,d._minBias=.9,d.update=function(e,t){for(var n=t*t*t,o=0;o<e.length;o++){var i=e[o],r=i.speed*i.speed+i.angularSpeed*i.angularSpeed;if(0===i.force.x&&0===i.force.y){var s=Math.min(i.motion,r),a=Math.max(i.motion,r);i.motion=d._minBias*s+(1-d._minBias)*a,0<i.sleepThreshold&&i.motion<d._motionSleepThreshold*n?(i.sleepCounter+=1,i.sleepCounter>=i.sleepThreshold&&d.set(i,!0)):0<i.sleepCounter&&(i.sleepCounter-=1)}else d.set(i,!1)}},d.afterCollisions=function(e,t){for(var n=t*t*t,o=0;o<e.length;o++){var i=e[o];if(i.isActive){var r=i.collision,s=r.bodyA.parent,a=r.bodyB.parent;if(!(s.isSleeping&&a.isSleeping||s.isStatic||a.isStatic)&&(s.isSleeping||a.isSleeping)){var l=s.isSleeping&&!s.isStatic?s:a,c=l===s?a:s;!l.isStatic&&c.motion>d._motionWakeThreshold*n&&d.set(l,!1)}}}},d.set=function(e,t){var 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d={label:"Trapezoid Body",position:{x:e,y:t},vertices:B.fromPath(s)};if(r.chamfer){var u=r.chamfer;d.vertices=B.chamfer(d.vertices,u.radius,u.quality,u.qualityMin,u.qualityMax),delete r.chamfer}return k.create(M.extend({},d,r))},f.circle=function(e,t,n,o,i){o=o||{};var r={label:"Circle Body",circleRadius:n};i=i||25;var s=Math.ceil(Math.max(10,Math.min(i,n)));return s%2==1&&(s+=1),f.polygon(e,t,s,n,M.extend({},r,o))},f.polygon=function(e,t,n,o,i){if(i=i||{},n<3)return f.circle(e,t,o,i);for(var r=2*Math.PI/n,s="",a=.5*r,l=0;l<n;l+=1){var c=a+l*r,d=Math.cos(c)*o,u=Math.sin(c)*o;s+="L "+d.toFixed(3)+" "+u.toFixed(3)+" "}var p={label:"Polygon Body",position:{x:e,y:t},vertices:B.fromPath(s)};if(i.chamfer){var m=i.chamfer;p.vertices=B.chamfer(p.vertices,m.radius,m.quality,m.qualityMin,m.qualityMax),delete i.chamfer}return k.create(M.extend({},p,i))},f.fromVertices=function(e,t,n,o,i,r,s){var a,l,c,d,u,p,m,f,v;for(P||(P=M._requireGlobal("decomp","poly-decomp")),o=o||{},l=[],i=void 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l=s[a-1],c=s[a],d=l.bounds.max.y-l.bounds.min.y,u=l.bounds.max.x-l.bounds.min.x,p=c.bounds.max.y-c.bounds.min.y,m={bodyA:l,pointA:{x:u*t,y:d*n},bodyB:c,pointB:{x:(c.bounds.max.x-c.bounds.min.x)*o,y:p*i}},f=y.extend(m,r);x.addConstraint(e,v.create(f))}return e.label+=" Chain",e},m.mesh=function(e,t,n,o,i){var r,s,a,l,c,d=e.bodies;for(r=0;r<n;r++){for(s=1;s<t;s++)a=d[s-1+r*t],l=d[s+r*t],x.addConstraint(e,v.create(y.extend({bodyA:a,bodyB:l},i)));if(0<r)for(s=0;s<t;s++)a=d[s+(r-1)*t],l=d[s+r*t],x.addConstraint(e,v.create(y.extend({bodyA:a,bodyB:l},i))),o&&0<s&&(c=d[s-1+(r-1)*t],x.addConstraint(e,v.create(y.extend({bodyA:c,bodyB:l},i)))),o&&s<t-1&&(c=d[s+1+(r-1)*t],x.addConstraint(e,v.create(y.extend({bodyA:c,bodyB:l},i))))}return e.label+=" Mesh",e},m.pyramid=function(l,e,c,d,u,t,p){return m.stack(l,e,c,d,u,t,function(e,t,n,o,i,r){var s=Math.min(d,Math.ceil(c/2)),a=i?i.bounds.max.x-i.bounds.min.x:0;if(!(s<o||n<(o=s-o)||c-1-o<n))return 1===r&&h.translate(i,{x:(n+(c%2==1?1:-1))*a,y:0}),p(l+(i?n*a:0)+n*u,t,n,o,i,r)})},m.newtonsCradle=function(e,t,n,o,i){for(var r=x.create({label:"Newtons Cradle"}),s=0;s<n;s++){var a=f.circle(e+s*(1.9*o),t+i,o,{inertia:1/0,restitution:1,friction:0,frictionAir:1e-4,slop:1}),l=v.create({pointA:{x:e+s*(1.9*o),y:t},bodyB:a});x.addBody(r,a),x.addConstraint(r,l)}return r},m.car=function(e,t,n,o,i){var r=h.nextGroup(!0),s=.5*-n+20,a=.5*n-20,l=x.create({label:"Car"}),c=f.rectangle(e,t,n,o,{collisionFilter:{group:r},chamfer:{radius:.5*o},density:2e-4}),d=f.circle(e+s,t+0,i,{collisionFilter:{group:r},friction:.8}),u=f.circle(e+a,t+0,i,{collisionFilter:{group:r},friction:.8}),p=v.create({bodyB:c,pointB:{x:s,y:0},bodyA:d,stiffness:1,length:0}),m=v.create({bodyB:c,pointB:{x:a,y:0},bodyA:u,stiffness:1,length:0});return x.addBody(l,c),x.addBody(l,d),x.addBody(l,u),x.addConstraint(l,p),x.addConstraint(l,m),l},m.softBody=function(e,t,n,o,i,r,s,a,l,c){l=y.extend({inertia:1/0},l),c=y.extend({stiffness:.2,render:{type:"line",anchors:!1}},c);var d=m.stack(e,t,n,o,i,r,function(e,t){return f.circle(e,t,a,l)});return m.mesh(d,n,o,s,c),d.label="Soft Body",d}},{"../body/Body":1,"../body/Composite":2,"../constraint/Constraint":12,"../core/Common":14,"./Bodies":23}],25:[function(e,t,n){var o={};t.exports=o;var s=e("../geometry/Vector"),a=e("../core/Common");o.fromVertices=function(e){for(var t={},n=0;n<e.length;n++){var o=(n+1)%e.length,i=s.normalise({x:e[o].y-e[n].y,y:e[n].x-e[o].x}),r=0===i.y?1/0:i.x/i.y;t[r=r.toFixed(3).toString()]=i}return a.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,s=e[i];r=s.x*n-s.y*o,s.y=s.x*o+s.y*n,s.x=r}}},{"../core/Common":14,"../geometry/Vector":28}],26:[function(e,t,n){var o={};(t.exports=o).create=function(e){var t={min:{x:0,y:0},max:{x:0,y:0}};return e&&o.update(t,e),t},o.update=function(e,t,n){e.min.x=1/0,e.max.x=-1/0,e.min.y=1/0,e.max.y=-1/0;for(var o=0;o<t.length;o++){var i=t[o];i.x>e.max.x&&(e.max.x=i.x),i.x<e.min.x&&(e.min.x=i.x),i.y>e.max.y&&(e.max.y=i.y),i.y<e.min.y&&(e.min.y=i.y)}n&&(0<n.x?e.max.x+=n.x:e.min.x+=n.x,0<n.y?e.max.y+=n.y:e.min.y+=n.y)},o.contains=function(e,t){return t.x>=e.min.x&&t.x<=e.max.x&&t.y>=e.min.y&&t.y<=e.max.y},o.overlaps=function(e,t){return e.min.x<=t.max.x&&e.max.x>=t.min.x&&e.max.y>=t.min.y&&e.min.y<=t.max.y},o.translate=function(e,t){e.min.x+=t.x,e.max.x+=t.x,e.min.y+=t.y,e.max.y+=t.y},o.shift=function(e,t){var n=e.max.x-e.min.x,o=e.max.y-e.min.y;e.min.x=t.x,e.max.x=t.x+n,e.min.y=t.y,e.max.y=t.y+o}},{}],27:[function(e,t,n){var h={};t.exports=h;e("../geometry/Bounds");var b=e("../core/Common");h.pathToVertices=function(e,t){"undefined"==typeof window||"SVGPathSeg"in window||b.warn("Svg.pathToVertices: SVGPathSeg not defined, a polyfill is required.");var 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o={};(t.exports=o).create=function(e,t){return{x:e||0,y:t||0}},o.clone=function(e){return{x:e.x,y:e.y}},o.magnitude=function(e){return Math.sqrt(e.x*e.x+e.y*e.y)},o.magnitudeSquared=function(e){return e.x*e.x+e.y*e.y},o.rotate=function(e,t,n){var o=Math.cos(t),i=Math.sin(t);n||(n={});var r=e.x*o-e.y*i;return n.y=e.x*i+e.y*o,n.x=r,n},o.rotateAbout=function(e,t,n,o){var i=Math.cos(t),r=Math.sin(t);o||(o={});var s=n.x+((e.x-n.x)*i-(e.y-n.y)*r);return o.y=n.y+((e.x-n.x)*r+(e.y-n.y)*i),o.x=s,o},o.normalise=function(e){var t=o.magnitude(e);return 0===t?{x:0,y:0}:{x:e.x/t,y:e.y/t}},o.dot=function(e,t){return e.x*t.x+e.y*t.y},o.cross=function(e,t){return e.x*t.y-e.y*t.x},o.cross3=function(e,t,n){return(t.x-e.x)*(n.y-e.y)-(t.y-e.y)*(n.x-e.x)},o.add=function(e,t,n){return n||(n={}),n.x=e.x+t.x,n.y=e.y+t.y,n},o.sub=function(e,t,n){return 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t={x:0,y:0},n=0;n<e.length;n++)t.x+=e[n].x,t.y+=e[n].y;return b.div(t,e.length)},a.area=function(e,t){for(var n=0,o=e.length-1,i=0;i<e.length;i++)n+=(e[o].x-e[i].x)*(e[o].y+e[i].y),o=i;return t?n/2:Math.abs(n)/2},a.inertia=function(e,t){for(var n,o,i=0,r=0,s=e,a=0;a<s.length;a++)o=(a+1)%s.length,i+=(n=Math.abs(b.cross(s[o],s[a])))*(b.dot(s[o],s[o])+b.dot(s[o],s[a])+b.dot(s[a],s[a])),r+=n;return t/6*(i/r)},a.translate=function(e,t,n){var o;if(n)for(o=0;o<e.length;o++)e[o].x+=t.x*n,e[o].y+=t.y*n;else for(o=0;o<e.length;o++)e[o].x+=t.x,e[o].y+=t.y;return e},a.rotate=function(e,t,n){if(0!==t){for(var o=Math.cos(t),i=Math.sin(t),r=0;r<e.length;r++){var s=e[r],a=s.x-n.x,l=s.y-n.y;s.x=n.x+(a*o-l*i),s.y=n.y+(a*i+l*o)}return e}},a.contains=function(e,t){for(var n=0;n<e.length;n++){var o=e[n],i=e[(n+1)%e.length];if(0<(t.x-o.x)*(i.y-o.y)+(t.y-o.y)*(o.x-i.x))return!1}return!0},a.scale=function(e,t,n,o){if(1===t&&1===n)return e;var i,r;o=o||a.centre(e);for(var s=0;s<e.length;s++)i=e[s],r=b.sub(i,o),e[s].x=o.x+r.x*t,e[s].y=o.y+r.y*n;return e},a.chamfer=function(e,t,n,o,i){t="number"==typeof t?[t]:t||[8],n=void 0!==n?n:-1,o=o||2,i=i||14;for(var r=[],s=0;s<e.length;s++){var a=e[0<=s-1?s-1:e.length-1],l=e[s],c=e[(s+1)%e.length],d=t[s<t.length?s:t.length-1];if(0!==d){var u=b.normalise({x:l.y-a.y,y:a.x-l.x}),p=b.normalise({x:c.y-l.y,y:l.x-c.x}),m=Math.sqrt(2*Math.pow(d,2)),f=b.mult(w.clone(u),d),v=b.normalise(b.mult(b.add(u,p),.5)),y=b.sub(l,b.mult(v,m)),g=n;-1===n&&(g=1.75*Math.pow(d,.32)),(g=w.clamp(g,o,i))%2==1&&(g+=1);for(var x=Math.acos(b.dot(u,p))/g,h=0;h<g;h++)r.push(b.add(b.rotate(f,x*h),y))}else r.push(l)}return r},a.clockwiseSort=function(e){var n=a.mean(e);return e.sort(function(e,t){return b.angle(n,e)-b.angle(n,t)}),e},a.isConvex=function(e){var t,n,o,i,r=0,s=e.length;if(s<3)return null;for(t=0;t<s;t++)if(o=(t+2)%s,i=(e[n=(t+1)%s].x-e[t].x)*(e[o].y-e[n].y),(i-=(e[n].y-e[t].y)*(e[o].x-e[n].x))<0?r|=1:0<i&&(r|=2),3===r)return!1;return 0!==r||null},a.hull=function(e){var t,n,o=[],i=[];for((e=e.slice(0)).sort(function(e,t){var n=e.x-t.x;return 0!==n?n:e.y-t.y}),n=0;n<e.length;n+=1){for(t=e[n];2<=i.length&&b.cross3(i[i.length-2],i[i.length-1],t)<=0;)i.pop();i.push(t)}for(n=e.length-1;0<=n;n-=1){for(t=e[n];2<=o.length&&b.cross3(o[o.length-2],o[o.length-1],t)<=0;)o.pop();o.push(t)}return o.pop(),i.pop(),o.concat(i)}},{"../core/Common":14,"../geometry/Vector":28}],30:[function(e,t,n){var o=t.exports=e("../core/Matter");o.Body=e("../body/Body"),o.Composite=e("../body/Composite"),o.World=e("../body/World"),o.Contact=e("../collision/Contact"),o.Detector=e("../collision/Detector"),o.Grid=e("../collision/Grid"),o.Pairs=e("../collision/Pairs"),o.Pair=e("../collision/Pair"),o.Query=e("../collision/Query"),o.Resolver=e("../collision/Resolver"),o.SAT=e("../collision/SAT"),o.Constraint=e("../constraint/Constraint"),o.MouseConstraint=e("../constraint/MouseConstraint"),o.Common=e("../core/Common"),o.Engine=e("../core/Engine"),o.Events=e("../core/Events"),o.Mouse=e("../core/Mouse"),o.Runner=e("../core/Runner"),o.Sleeping=e("../core/Sleeping"),o.Plugin=e("../core/Plugin"),o.Bodies=e("../factory/Bodies"),o.Composites=e("../factory/Composites"),o.Axes=e("../geometry/Axes"),o.Bounds=e("../geometry/Bounds"),o.Svg=e("../geometry/Svg"),o.Vector=e("../geometry/Vector"),o.Vertices=e("../geometry/Vertices"),o.Render=e("../render/Render"),o.RenderPixi=e("../render/RenderPixi"),o.World.add=o.Composite.add,o.World.remove=o.Composite.remove,o.World.addComposite=o.Composite.addComposite,o.World.addBody=o.Composite.addBody,o.World.addConstraint=o.Composite.addConstraint,o.World.clear=o.Composite.clear,o.Engine.run=o.Runner.run},{"../body/Body":1,"../body/Composite":2,"../body/World":3,"../collision/Contact":4,"../collision/Detector":5,"../collision/Grid":6,"../collision/Pair":7,"../collision/Pairs":8,"../collision/Query":9,"../collision/Resolver":10,"../collision/SAT":11,"../constraint/Constraint":12,"../constraint/MouseConstraint":13,"../core/Common":14,"../core/Engine":15,"../core/Events":16,"../core/Matter":17,"../core/Metrics":18,"../core/Mouse":19,"../core/Plugin":20,"../core/Runner":21,"../core/Sleeping":22,"../factory/Bodies":23,"../factory/Composites":24,"../geometry/Axes":25,"../geometry/Bounds":26,"../geometry/Svg":27,"../geometry/Vector":28,"../geometry/Vertices":29,"../render/Render":31,"../render/RenderPixi":32}],31:[function(e,t,n){var b={};t.exports=b;var y=e("../core/Common"),w=e("../body/Composite"),S=e("../geometry/Bounds"),C=e("../core/Events"),A=e("../collision/Grid"),P=e("../geometry/Vector"),B=e("../core/Mouse");!function(){var o,t;"undefined"!=typeof window&&(o=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.msRequestAnimationFrame||function(e){window.setTimeout(function(){e(y.now())},1e3/60)},t=window.cancelAnimationFrame||window.mozCancelAnimationFrame||window.webkitCancelAnimationFrame||window.msCancelAnimationFrame),b.create=function(e){var 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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.scale(1/o,1/i),e.context.translate(-e.bounds.min.x,-e.bounds.min.y)},b.endViewTransform=function(e){e.context.setTransform(e.options.pixelRatio,0,0,e.options.pixelRatio,0,0)},b.world=function(e){var t,n=e.engine,o=n.world,i=e.canvas,r=e.context,s=e.options,a=w.allBodies(o),l=w.allConstraints(o),c=s.wireframes?s.wireframeBackground:s.background,d=[],u=[],p={timestamp:n.timing.timestamp};if(C.trigger(e,"beforeRender",p),e.currentBackground!==c&&h(e,c),r.globalCompositeOperation="source-in",r.fillStyle="transparent",r.fillRect(0,0,i.width,i.height),r.globalCompositeOperation="source-over",s.hasBounds){for(t=0;t<a.length;t++){var m=a[t];S.overlaps(m.bounds,e.bounds)&&d.push(m)}for(t=0;t<l.length;t++){var f=l[t],v=f.bodyA,y=f.bodyB,g=f.pointA,x=f.pointB;v&&(g=P.add(v.position,f.pointA)),y&&(x=P.add(y.position,f.pointB)),g&&x&&((S.contains(e.bounds,g)||S.contains(e.bounds,x))&&u.push(f))}b.startViewTransform(e),e.mouse&&(B.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}),B.setOffset(e.mouse,e.bounds.min))}else u=l,d=a;!s.wireframes||n.enableSleeping&&s.showSleeping?b.bodies(e,d,r):(s.showConvexHulls&&b.bodyConvexHulls(e,d,r),b.bodyWireframes(e,d,r)),s.showBounds&&b.bodyBounds(e,d,r),(s.showAxes||s.showAngleIndicator)&&b.bodyAxes(e,d,r),s.showPositions&&b.bodyPositions(e,d,r),s.showVelocity&&b.bodyVelocity(e,d,r),s.showIds&&b.bodyIds(e,d,r),s.showSeparations&&b.separations(e,n.pairs.list,r),s.showCollisions&&b.collisions(e,n.pairs.list,r),s.showVertexNumbers&&b.vertexNumbers(e,d,r),s.showMousePosition&&b.mousePosition(e,e.mouse,r),b.constraints(u,r),s.showBroadphase&&n.broadphase.controller===A&&b.grid(e,n.broadphase,r),s.showDebug&&b.debug(e,r),s.hasBounds&&b.endViewTransform(e),C.trigger(e,"afterRender",p)},b.debug=function(e,t){var n=t,o=e.engine,i=o.world,r=o.metrics,s=e.options;w.allBodies(i);if(500<=o.timing.timestamp-(e.debugTimestamp||0)){var a="";r.timing&&(a+="fps: "+Math.round(r.timing.fps)+"    "),e.debugString=a,e.debugTimestamp=o.timing.timestamp}if(e.debugString){n.font="12px 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c,d=P.sub(s,r),u=P.perp(P.normalise(d)),p=Math.ceil(y.clamp(i.length/5,12,20)),m=1;m<p;m+=1)c=m%2==0?1:-1,n.lineTo(r.x+d.x*(m/p)+u.x*c*4,r.y+d.y*(m/p)+u.y*c*4);n.lineTo(s.x,s.y)}i.render.lineWidth&&(n.lineWidth=i.render.lineWidth,n.strokeStyle=i.render.strokeStyle,n.stroke()),i.render.anchors&&(n.fillStyle=i.render.strokeStyle,n.beginPath(),n.arc(r.x,r.y,3,0,2*Math.PI),n.arc(s.x,s.y,3,0,2*Math.PI),n.closePath(),n.fill())}}},b.bodyShadows=function(e,t,n){for(var o=n,i=(e.engine,0);i<t.length;i++){var r=t[i];if(r.render.visible){if(r.circleRadius)o.beginPath(),o.arc(r.position.x,r.position.y,r.circleRadius,0,2*Math.PI),o.closePath();else{o.beginPath(),o.moveTo(r.vertices[0].x,r.vertices[0].y);for(var s=1;s<r.vertices.length;s++)o.lineTo(r.vertices[s].x,r.vertices[s].y);o.closePath()}var a=r.position.x-.5*e.options.width,l=r.position.y-.2*e.options.height,c=Math.abs(a)+Math.abs(l);o.shadowColor="rgba(0,0,0,0.15)",o.shadowOffsetX=.05*a,o.shadowOffsetY=.05*l,o.shadowBlur=1+12*Math.min(1,c/1e3),o.fill(),o.shadowColor=null,o.shadowOffsetX=null,o.shadowOffsetY=null,o.shadowBlur=null}}},b.bodies=function(e,t,n){var o,i,r,s,a=n,l=(e.engine,e.options),c=l.showInternalEdges||!l.wireframes;for(r=0;r<t.length;r++)if((o=t[r]).render.visible)for(s=1<o.parts.length?1:0;s<o.parts.length;s++)if((i=o.parts[s]).render.visible){if(l.showSleeping&&o.isSleeping?a.globalAlpha=.5*i.render.opacity:1!==i.render.opacity&&(a.globalAlpha=i.render.opacity),i.render.sprite&&i.render.sprite.texture&&!l.wireframes){var 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s=i.bounds.max.x-i.bounds.min.x,a=i.bounds.max.y-i.bounds.min.y,l=s/i.options.width,c=a/i.options.height;t.scale(1/l,1/c),t.translate(-i.bounds.min.x,-i.bounds.min.y)}for(var d=0;d<o.length;d++){var u=o[d].data;switch(t.translate(.5,.5),t.lineWidth=1,t.strokeStyle="rgba(255,165,0,0.9)",t.setLineDash([1,2]),u.type){case"body":n=u.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 p=u.pointA;u.bodyA&&(p=u.pointB),t.beginPath(),t.arc(p.x,p.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)};var i=function(e,t){var n=document.createElement("canvas");return n.width=e,n.height=t,n.oncontextmenu=function(){return!1},n.onselectstart=function(){return!1},n},r=function(e){var t=e.getContext("2d");return(window.devicePixelRatio||1)/(t.webkitBackingStorePixelRatio||t.mozBackingStorePixelRatio||t.msBackingStorePixelRatio||t.oBackingStorePixelRatio||t.backingStorePixelRatio||1)},m=function(e,t){var n=e.textures[t];return n||((n=e.textures[t]=new Image).src=t,n)},h=function(e,t){var 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t={controller:h,engine:null,element:null,frameRequestId:null,canvas:null,renderer:null,container:null,spriteContainer:null,pixiOptions: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}},n=m.extend(t,e),o=!n.options.wireframes&&"transparent"===n.options.background;return n.pixiOptions=n.pixiOptions||{view:n.canvas,transparent:o,antialias:!0,backgroundColor:e.background},n.mouse=e.mouse,n.engine=e.engine,n.renderer=n.renderer||new PIXI.WebGLRenderer(n.options.width,n.options.height,n.pixiOptions),n.container=n.container||new PIXI.Container,n.spriteContainer=n.spriteContainer||new PIXI.Container,n.canvas=n.canvas||n.renderer.view,n.bounds=n.bounds||{min:{x:0,y:0},max:{x:n.options.width,y:n.options.height}},i.on(n.engine,"beforeUpdate",function(){h.clear(n)}),n.textures={},n.sprites={},n.primitives={},n.container.addChild(n.spriteContainer),m.isElement(n.element)?n.element.appendChild(n.canvas):m.warn('No "render.element" passed, "render.canvas" was not inserted into document.'),n.canvas.oncontextmenu=function(){return!1},n.canvas.onselectstart=function(){return!1},n},h.run=function(n){!function e(t){n.frameRequestId=o(e),h.world(n)}()},h.stop=function(e){t(e.frameRequestId)},h.clear=function(e){for(var t=e.container,n=e.spriteContainer;t.children[0];)t.removeChild(t.children[0]);for(;n.children[0];)n.removeChild(n.children[0]);var o=e.sprites["bg-0"];e.textures={},e.sprites={},e.primitives={},(e.sprites["bg-0"]=o)&&t.addChildAt(o,0),e.container.addChild(e.spriteContainer),e.currentBackground=null,t.scale.set(1,1),t.position.set(0,0)},h.setBackground=function(e,t){if(e.currentBackground!==t){var n=t.indexOf&&-1!==t.indexOf("#"),o=e.sprites["bg-0"];if(n){var i=m.colorToNumber(t);e.renderer.backgroundColor=i,o&&e.container.removeChild(o)}else if(!o){var r=s(e,t);(o=e.sprites["bg-0"]=new PIXI.Sprite(r)).position.x=0,o.position.y=0,e.container.addChildAt(o,0)}e.currentBackground=t}},h.world=function(e){var t,n=e.engine.world,o=e.renderer,i=e.container,r=e.options,s=w.allBodies(n),a=w.allConstraints(n),l=[];r.wireframes?h.setBackground(e,r.wireframeBackground):h.setBackground(e,r.background);var c=e.bounds.max.x-e.bounds.min.x,d=e.bounds.max.y-e.bounds.min.y,u=c/e.options.width,p=d/e.options.height;if(r.hasBounds){for(t=0;t<s.length;t++){var m=s[t];m.render.sprite.visible=b.overlaps(m.bounds,e.bounds)}for(t=0;t<a.length;t++){var f=a[t],v=f.bodyA,y=f.bodyB,g=f.pointA,x=f.pointB;v&&(g=S.add(v.position,f.pointA)),y&&(x=S.add(y.position,f.pointB)),g&&x&&((b.contains(e.bounds,g)||b.contains(e.bounds,x))&&l.push(f))}i.scale.set(1/u,1/p),i.position.set(-e.bounds.min.x*(1/u),-e.bounds.min.y*(1/p))}else l=a;for(t=0;t<s.length;t++)h.body(e,s[t]);for(t=0;t<l.length;t++)h.constraint(e,l[t]);o.render(i)},h.constraint=function(e,t){e.engine;var n=t.bodyA,o=t.bodyB,i=t.pointA,r=t.pointB,s=e.container,a=t.render,l="c-"+t.id,c=e.primitives[l];c||(c=e.primitives[l]=new PIXI.Graphics),a.visible&&t.pointA&&t.pointB?(-1===m.indexOf(s.children,c)&&s.addChild(c),c.clear(),c.beginFill(0,0),c.lineStyle(a.lineWidth,m.colorToNumber(a.strokeStyle),1),n?c.moveTo(n.position.x+i.x,n.position.y+i.y):c.moveTo(i.x,i.y),o?c.lineTo(o.position.x+r.x,o.position.y+r.y):c.lineTo(r.x,r.y),c.endFill()):c.clear()},h.body=function(e,t){e.engine;var n=t.render;if(n.visible)if(n.sprite&&n.sprite.texture){var o="b-"+t.id,i=e.sprites[o],r=e.spriteContainer;i||(i=e.sprites[o]=c(e,t)),-1===m.indexOf(r.children,i)&&r.addChild(i),i.position.x=t.position.x,i.position.y=t.position.y,i.rotation=t.angle,i.scale.x=n.sprite.xScale||1,i.scale.y=n.sprite.yScale||1}else{var s="b-"+t.id,a=e.primitives[s],l=e.container;a||((a=e.primitives[s]=d(e,t)).initialAngle=t.angle),-1===m.indexOf(l.children,a)&&l.addChild(a),a.position.x=t.position.x,a.position.y=t.position.y,a.rotation=t.angle-a.initialAngle}};var c=function(e,t){var n=t.render.sprite.texture,o=s(e,n),i=new PIXI.Sprite(o);return i.anchor.x=t.render.sprite.xOffset,i.anchor.y=t.render.sprite.yOffset,i},d=function(e,t){var n,o=t.render,i=e.options,r=new PIXI.Graphics,s=m.colorToNumber(o.fillStyle),a=m.colorToNumber(o.strokeStyle),l=m.colorToNumber(o.strokeStyle),c=m.colorToNumber("#bbb"),d=m.colorToNumber("#CD5C5C");r.clear();for(var u=1<t.parts.length?1:0;u<t.parts.length;u++){n=t.parts[u],i.wireframes?(r.beginFill(0,0),r.lineStyle(1,c,1)):(r.beginFill(s,1),r.lineStyle(o.lineWidth,a,1)),r.moveTo(n.vertices[0].x-t.position.x,n.vertices[0].y-t.position.y);for(var p=1;p<n.vertices.length;p++)r.lineTo(n.vertices[p].x-t.position.x,n.vertices[p].y-t.position.y);r.lineTo(n.vertices[0].x-t.position.x,n.vertices[0].y-t.position.y),r.endFill(),(i.showAngleIndicator||i.showAxes)&&(r.beginFill(0,0),i.wireframes?r.lineStyle(1,d,1):r.lineStyle(1,l),r.moveTo(n.position.x-t.position.x,n.position.y-t.position.y),r.lineTo((n.vertices[0].x+n.vertices[n.vertices.length-1].x)/2-t.position.x,(n.vertices[0].y+n.vertices[n.vertices.length-1].y)/2-t.position.y),r.endFill())}return r},s=function(e,t){var n=e.textures[t];return n||(n=e.textures[t]=PIXI.Texture.fromImage(t)),n}}()},{"../body/Composite":2,"../core/Common":14,"../core/Events":16,"../geometry/Bounds":26,"../geometry/Vector":28}]},{},[30])(30)});
\ No newline at end of file
diff --git a/build/index.html b/build/index.html
new file mode 100644
index 0000000..254ba27
--- /dev/null
+++ b/build/index.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8" />
+    <title>Funky game</title>
+    <link href="assets/game.css" rel="stylesheet" />
+</head>
+<body>
+<script src="game.js"></script>
+</body>
+</html>
\ No newline at end of file
diff --git a/gruntfile.js b/gruntfile.js
new file mode 100644
index 0000000..8004ec6
--- /dev/null
+++ b/gruntfile.js
@@ -0,0 +1,42 @@
+module.exports = function(grunt) {
+
+    // Project configuration.
+    grunt.initConfig({
+        pkg: grunt.file.readJSON('package.json'),
+        uglify: {
+            options: {
+                sourceMap: false,
+                sourceMapIncludeSources: false,
+                banner: '/**\n * @link https://couchfriends.com\n * @license MIT\n */\n'
+            },
+            build: {
+                src: [
+                    'node_modules/matter-js/build/matter.js',
+                    'src/Funky.js',
+                    'src/Funky.Levels.js',
+                    'src/Funky.Player.js',
+                    'src/game.js'
+                ],
+                dest: 'build/game.js'
+            }
+        },
+        copy: {
+            main: {
+                src: 'src/assets/*',
+                dest: 'build/assets/',
+                flatten: true,
+                expand: true,
+                filter: 'isFile'
+            }
+        }
+    });
+
+    // Load the plugin that provides the "uglify" task.
+    grunt.loadNpmTasks('grunt-contrib-uglify');
+
+    // Default task(s).
+    grunt.registerTask('default', ['uglify', 'copy']);
+
+    grunt.loadNpmTasks('grunt-contrib-copy');
+
+};
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..8afea10
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,1053 @@
+{
+  "name": "funky",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "abbrev": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
+      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q=="
+    },
+    "ansi-regex": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
+    },
+    "ansi-styles": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+      "requires": {
+        "color-convert": "1.9.3"
+      }
+    },
+    "argparse": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
+      "requires": {
+        "sprintf-js": "1.0.3"
+      },
+      "dependencies": {
+        "sprintf-js": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
+          "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
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+      }
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+    },
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+      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
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+      "requires": {
+        "isexe": "2.0.0"
+      }
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+    "wrappy": {
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+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..6135def
--- /dev/null
+++ b/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "funky",
+  "version": "1.0.0",
+  "description": "A simple platformer with a twist.",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/Couchfriends/funky.git"
+  },
+  "author": "Couchfriends",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/Couchfriends/funky/issues"
+  },
+  "homepage": "https://github.com/Couchfriends/funky#readme",
+  "dependencies": {
+    "grunt": "^1.0.3",
+    "grunt-contrib-copy": "^1.0.0",
+    "grunt-contrib-jshint": "^2.0.0",
+    "grunt-contrib-uglify": "^4.0.0",
+    "matter-js": "^0.14.2"
+  }
+}
diff --git a/src/Funky.Levels.js b/src/Funky.Levels.js
new file mode 100644
index 0000000..89c90e9
--- /dev/null
+++ b/src/Funky.Levels.js
@@ -0,0 +1,27 @@
+/**
+ * Funky Levels by index
+ * @type {{}}
+ */
+Funky.Levels = [
+
+    // Levels by index
+    {
+        name: 'Level 1',
+        objects: [
+            {
+                type: 'rectangle',
+                position: {
+                    x: 1920-50,
+                    y: 200
+                },
+                size: {
+                    width: 100,
+                    height: 10
+                },
+                options: {
+                    isStatic: true
+                }
+            }
+        ]
+    }
+];
\ No newline at end of file
diff --git a/src/Funky.Player.js b/src/Funky.Player.js
new file mode 100644
index 0000000..d5df41f
--- /dev/null
+++ b/src/Funky.Player.js
@@ -0,0 +1,66 @@
+/**
+ * Funky Levels by index
+ * @type {{}}
+ */
+Funky.Player = function () {
+    this.id = 0; // The unique id of the player
+    this.type = 'circle'; // Todo
+    this.body = Matter.Bodies.circle(10, 1000, 10, {
+        mass: 1,
+        // friction: .01,
+        // frictionStatic: 0
+    });
+    this.movement = {
+        x: 0,
+        y: 0
+    };
+    this.isJumping = false;
+
+    this.add = function() {
+        Funky.players.push(this);
+        Matter.World.add(Funky.engine.world, [this.body]);
+    };
+
+    this.remove = function() {
+        Matter.World.remove(Funky.engine.world, this.body);
+        var index = Funky.players.indexOf(this);
+        Funky.players.splice(index);
+    };
+
+    this.move = function(x, y) {
+        this.movement = {
+            x: x * .005,
+            y: 0
+        };
+    };
+
+    this.jump = function() {
+        if (this.isJumping) {
+            return;
+        }
+        console.log('jump');
+        Matter.Body.applyForce( this.body, {
+            x: this.body.position.x,
+            y: this.body.position.y
+        }, {x: 0, y: -0.05});
+        // this.isJumping = true;
+    };
+
+    this.update = function (event) {
+
+        console.log(this.body.velocity.x);
+        if (this.body.velocity.x > 15) {
+            return;
+        }
+        if (this.body.velocity.x < -15) {
+            return;
+        }
+        // x = x * .01;
+        Matter.Body.applyForce(this.body, {
+            x: this.body.position.x,
+            y: this.body.position.y
+        }, {x: this.movement.x, y: this.movement.y});
+        // if this moveY === 0, isJumping = false;
+        // And maybe if has been going down
+    }
+};
\ No newline at end of file
diff --git a/src/Funky.js b/src/Funky.js
new file mode 100644
index 0000000..3cae5ca
--- /dev/null
+++ b/src/Funky.js
@@ -0,0 +1,177 @@
+/**
+ * Required Matter js
+ * @type {{}}
+ */
+var Funky = Funky || {
+
+    settings: {
+        width: 1920,
+        height: 1080
+    },
+
+    engine: {},
+    world: {},
+    render: {},
+    currentLevelIndex: 0,
+    players: [],
+    blaPlayer: {},
+
+    /**
+     * Run once, at the loading of the page
+     */
+    init: function () {
+
+        // Create canvas
+        var element = document.createElement('div');
+        element.setAttribute('id', 'game');
+        document.body.appendChild(element);
+
+        this.engine = Matter.Engine.create();
+        this.world = this.engine.world;
+        this.render = Matter.Render.create({
+            element: document.getElementById('game'),
+            engine: this.engine,
+            options: {
+                width: this.settings.width,
+                height: this.settings.height,
+                background: 'transparent',
+                wireframes: false,
+                showAngleIndicator: false
+            }
+        });
+
+        // run the engine
+        Matter.Engine.run(this.engine);
+        // run the renderer
+        Matter.Render.run(this.render);
+
+        window.addEventListener('resize', function() { Funky.resizeGame(); }, false);
+        window.addEventListener('orientationchange', function() { Funky.resizeGame(); }, false);
+        this.resizeGame();
+        this.run();
+
+        return;
+        this.blaPlayer = new Funky.Player();
+        this.blaPlayer.add();
+
+        window.addEventListener('keyup', function(e) {
+            if (e.key === " ") {
+                Funky.blaPlayer.jump();
+            }
+            if (e.key === "a") {
+                Funky.blaPlayer.move(-0.05, 0);
+            }
+            if (e.key === "d") {
+                Funky.blaPlayer.move(0.05, 0);
+            }
+            }, false);
+    },
+
+    update: function(event) {
+        for (var i = 0; i < this.players.length; i++) {
+            this.players[i].update();
+        }
+    },
+
+    /**
+     * Resize the canvas and keep the aspect ratio of this settings.
+     */
+    resizeGame: function () {
+        var gameArea = document.getElementById('game');
+        var widthToHeight = this.settings.width / this.settings.height;
+        var newWidth = window.innerWidth;
+        var newHeight = window.innerHeight;
+        var newWidthToHeight = newWidth / newHeight;
+
+        if (newWidthToHeight > widthToHeight) {
+            newWidth = newHeight * widthToHeight;
+        } else {
+            newHeight = newWidth / widthToHeight;
+        }
+        gameArea.style.width = newWidth + 'px';
+        gameArea.style.height = newHeight-80 + 'px';
+
+        gameArea.style.marginTop = -newHeight / 2 + 'px';
+        gameArea.style.marginLeft = -newWidth / 2 + 'px';
+    },
+
+    /**
+     * Set the events of the game.
+     * Examples: https://github.com/liabru/matter-js/blob/master/examples/events.js
+     */
+    setEvents: function() {
+
+        Matter.Events.on(this.engine, 'afterUpdate', function (event) { Funky.update(event); });
+
+    },
+
+    /**
+     * Run a level
+     */
+    run: function () {
+        // Clear engine?
+        //this.engine.clear();
+        this.addWalls();
+
+        if (Funky.Levels[this.currentLevelIndex] === null) {
+            this.currentLevelIndex = 0;
+        }
+        // Still null?
+        if (Funky.Levels[this.currentLevelIndex] === null) {
+            console.warn("No levels.");
+            return false;
+        }
+        var currentLevel = Funky.Levels[this.currentLevelIndex];
+        var bodies = [];
+        for (var i = 0; i < currentLevel.objects.length; i++) {
+            var object = currentLevel.objects[i];
+            var body = {}; // The Matter body
+            switch (object.type) {
+                case 'rectangle':
+                    body = Matter.Bodies.rectangle(
+                        object.position.x,
+                        object.position.y,
+                        object.size.width,
+                        object.size.height,
+                        object.options
+                    );
+                    break;
+                default:
+                    console.warn(object.type + ' body not found or implemented.');
+            }
+            if (body === null) {
+                console.warn('No body found.');
+                continue;
+            }
+            bodies.push(body);
+        }
+        Matter.World.add(this.engine.world, bodies);
+        this.setEvents();
+    },
+
+    /**
+     * Add collision walls on each side
+     * @todo is there an easier way?
+     */
+    addWalls: function () {
+
+        // create two boxes and a ground
+        var boxA = Matter.Bodies.rectangle(400, 600, 80, 80);
+        var boxB = Matter.Bodies.rectangle(450, 700, 80, 80);
+
+        var halfWidth = this.settings.width / 2;
+        var halfHeight = this.settings.height / 2;
+        var ground = Matter.Bodies.rectangle(halfWidth, this.settings.height, this.settings.width, 10, {isStatic: true});
+        var roof = Matter.Bodies.rectangle(halfWidth, 0, this.settings.width, 10, {isStatic: true});
+        var wallLeft = Matter.Bodies.rectangle(0, halfHeight, 10, this.settings.height, {isStatic: true});
+        var wallRight = Matter.Bodies.rectangle(this.settings.width, halfHeight, 10, this.settings.height, {isStatic: true});
+        Matter.World.add(this.engine.world, [
+            boxA,
+            boxB,
+            ground,
+            roof,
+            wallLeft,
+            wallRight
+        ]);
+    }
+};
\ No newline at end of file
diff --git a/src/assets/game.css b/src/assets/game.css
new file mode 100644
index 0000000..b4b080a
--- /dev/null
+++ b/src/assets/game.css
@@ -0,0 +1,17 @@
+* {
+    margin: 0;
+    padding: 0;
+}
+html, body, canvas {
+    width: 100%;
+    height: 100%;
+}
+body {
+    background-color: #f90;
+    overflow: hidden;
+}
+#game {
+    position: absolute;
+    left: 50%;
+    top: 50%;
+}
\ No newline at end of file
diff --git a/src/game.js b/src/game.js
new file mode 100644
index 0000000..dc7971f
--- /dev/null
+++ b/src/game.js
@@ -0,0 +1,34 @@
+window.addEventListener('load', function() { Funky.init(); });
+
+COUCHFRIENDS.on('player.join', function(data) {
+    var player = new Funky.Player();
+    player.id = data.id;
+    player.add();
+});
+
+COUCHFRIENDS.on('player.left', function(data) {
+    for (var i = 0; i < Funky.players.length; i++) {
+        if (Funky.players[i].id === data.player.id) {
+            Funky.players[i].remove();
+            break;
+        }
+    }
+});
+
+COUCHFRIENDS.on('player.buttonUp', function(data) {
+    for (var i = 0; i < Funky.players.length; i++) {
+        if (Funky.players[i].id === data.player.id) {
+            Funky.players[i].jump();
+            break;
+        }
+    }
+});
+
+COUCHFRIENDS.on('player.orientation', function(data) {
+    for (var i = 0; i < Funky.players.length; i++) {
+        if (Funky.players[i].id === data.player.id) {
+            Funky.players[i].move(data.x, data.y);
+            break;
+        }
+    }
+});
\ No newline at end of file
diff --git a/src/index.html b/src/index.html
new file mode 100644
index 0000000..ac3b775
--- /dev/null
+++ b/src/index.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8" />
+    <title>Funky game</title>
+    <link href="assets/game.css" rel="stylesheet" />
+</head>
+<body>
+<script src="../node_modules/matter-js/build/matter-dev.js"></script>
+<script src="https://couchfriends.com/cdn/api/couchfriends.api-latest.js"></script>
+<script src="Funky.js"></script>
+<script src="Funky.Levels.js"></script>
+<script src="Funky.Player.js"></script>
+<script src="game.js"></script>
+</body>
+</html>
\ No newline at end of file