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

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initial commit
2014-02-19 09:15:05 -05:00
/**
release 0.14.1
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* matter-js 0.14.1 by @liabru 2018-01-10
initial commit
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* http://brm.io/matter-js/
updated edge build
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* License MIT
initial commit
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*/
update alpha build
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!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.Matter=e()}}(function(){return function e(t,n,o){function i(s,a){if(!n[s]){if(!t[s]){var l="function"==typeof require&&require;if(!a&&l)return l(s,!0);if(r)return r(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var d=n[s]={exports:{}};t[s][0].call(d.exports,function(e){var n=t[s][1][e];return i(n?n:e)},d,d.exports,e,t,n,o)}return n[s].exports}for(var r="function"==typeof require&&require,s=0;s<o.length;s++)i(o[s]);return i}({1:[function(e,t,n){var o={};t.exports=o;var i=e("../geometry/Vertices"),r=e("../geometry/Vector"),s=e("../core/Sleeping"),a=(e("../render/Render"),e("../core/Common")),l=e("../geometry/Bounds"),c=e("../geometry/Axes");!function(){o._inertiaScale=4,o._nextCollidingGroupId=1,
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o._nextNonCollidingGroupId=-1,o._nextCategory=1,o.create=function(t){var n={id:a.nextId(),type:"body",label:"Body",parts:[],plugin:{},angle:0,vertices:i.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}},o=a.extend(n,t);return e(o,t),o},o.nextGroup=function(e){return e?o._nextNonCollidingGroupId--:o._nextCollidingGroupId++},o.nextCategory=function(){return o._nextCategory=o._nextCategory<<1,o._nextCategory};var e=function(e,t){t=t||{},o.set(e,{bounds:e.bounds||l.create(e.vertices),positionPrev:e.positionPrev||r.clone(e.position),
release 0.13.0
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anglePrev:e.anglePrev||e.angle,vertices:e.vertices,parts:e.parts||[e],isStatic:e.isStatic,isSleeping:e.isSleeping,parent:e.parent||e}),i.rotate(e.vertices,e.angle,e.position),c.rotate(e.axes,e.angle),l.update(e.bounds,e.vertices,e.velocity),o.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":a.choose(["#006BA6","#0496FF","#FFBC42","#D81159","#8F2D56"]),s="#000";e.render.fillStyle=e.render.fillStyle||n,e.render.strokeStyle=e.render.strokeStyle||s,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)};o.set=function(e,t,n){var i;"string"==typeof t&&(i=t,t={},t[i]=n);for(i in t)if(n=t[i],t.hasOwnProperty(i))switch(i){case"isStatic":o.setStatic(e,n);break;case"isSleeping":s.set(e,n);break;case"mass":o.setMass(e,n);break;case"density":o.setDensity(e,n);break;case"inertia":o.setInertia(e,n);break;case"vertices":
o.setVertices(e,n);break;case"position":o.setPosition(e,n);break;case"angle":o.setAngle(e,n);break;case"velocity":o.setVelocity(e,n);break;case"angularVelocity":o.setAngularVelocity(e,n);break;case"parts":o.setParts(e,n);break;default:e[i]=n}},o.setStatic=function(e,t){for(var n=0;n<e.parts.length;n++){var o=e.parts[n];o.isStatic=t,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);
release 0.14.0
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}},o.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},o.setDensity=function(e,t){o.setMass(e,t*e.area),e.density=t},o.setInertia=function(e,t){e.inertia=t,e.inverseInertia=1/e.inertia},o.setVertices=function(e,t){t[0].body===e?e.vertices=t:e.vertices=i.create(t,e),e.axes=c.fromVertices(e.vertices),e.area=i.area(e.vertices),o.setMass(e,e.density*e.area);var n=i.centre(e.vertices);i.translate(e.vertices,n,-1),o.setInertia(e,o._inertiaScale*i.inertia(e.vertices,e.mass)),i.translate(e.vertices,e.position),l.update(e.bounds,e.vertices,e.velocity)},o.setParts=function(e,t,n){var r;for(t=t.slice(0),e.parts.length=0,e.parts.push(e),e.parent=e,r=0;r<t.length;r++){var s=t[r];s!==e&&(s.parent=e,e.parts.push(s))}if(1!==e.parts.length){if(n="undefined"==typeof n||n){var a=[];for(r=0;r<t.length;r++)a=a.concat(t[r].vertices);i.clockwiseSort(a);var l=i.hull(a),c=i.centre(l);o.setVertices(e,l),i.translate(e.vertices,c);
}var d=o._totalProperties(e);e.area=d.area,e.parent=e,e.position.x=d.centre.x,e.position.y=d.centre.y,e.positionPrev.x=d.centre.x,e.positionPrev.y=d.centre.y,o.setMass(e,d.mass),o.setInertia(e,d.inertia),o.setPosition(e,d.centre)}},o.setPosition=function(e,t){var n=r.sub(t,e.position);e.positionPrev.x+=n.x,e.positionPrev.y+=n.y;for(var o=0;o<e.parts.length;o++){var s=e.parts[o];s.position.x+=n.x,s.position.y+=n.y,i.translate(s.vertices,n),l.update(s.bounds,s.vertices,e.velocity)}},o.setAngle=function(e,t){var n=t-e.angle;e.anglePrev+=n;for(var o=0;o<e.parts.length;o++){var s=e.parts[o];s.angle+=n,i.rotate(s.vertices,n,e.position),c.rotate(s.axes,n),l.update(s.bounds,s.vertices,e.velocity),o>0&&r.rotateAbout(s.position,n,e.position,s.position)}},o.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=r.magnitude(e.velocity)},o.setAngularVelocity=function(e,t){e.anglePrev=e.angle-t,e.angularVelocity=t,e.angularSpeed=Math.abs(e.angularVelocity);
},o.translate=function(e,t){o.setPosition(e,r.add(e.position,t))},o.rotate=function(e,t,n){if(n){var i=Math.cos(t),r=Math.sin(t),s=e.position.x-n.x,a=e.position.y-n.y;o.setPosition(e,{x:n.x+(s*i-a*r),y:n.y+(s*r+a*i)}),o.setAngle(e,e.angle+t)}else o.setAngle(e,e.angle+t)},o.scale=function(e,t,n,r){var s=0,a=0;r=r||e.position;for(var d=0;d<e.parts.length;d++){var u=e.parts[d];i.scale(u.vertices,t,n,r),u.axes=c.fromVertices(u.vertices),u.area=i.area(u.vertices),o.setMass(u,e.density*u.area),i.translate(u.vertices,{x:-u.position.x,y:-u.position.y}),o.setInertia(u,o._inertiaScale*i.inertia(u.vertices,u.mass)),i.translate(u.vertices,{x:u.position.x,y:u.position.y}),d>0&&(s+=u.area,a+=u.inertia),u.position.x=r.x+(u.position.x-r.x)*t,u.position.y=r.y+(u.position.y-r.y)*n,l.update(u.bounds,u.vertices,e.velocity)}e.parts.length>1&&(e.area=s,e.isStatic||(o.setMass(e,e.density*s),o.setInertia(e,a))),e.circleRadius&&(t===n?e.circleRadius*=t:e.circleRadius=null)},o.update=function(e,t,n,o){var s=Math.pow(t*n*e.timeScale,2),a=1-e.frictionAir*n*e.timeScale,d=e.position.x-e.positionPrev.x,u=e.position.y-e.positionPrev.y;
e.velocity.x=d*a*o+e.force.x/e.mass*s,e.velocity.y=u*a*o+e.force.y/e.mass*s,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)*a*o+e.torque/e.inertia*s,e.anglePrev=e.angle,e.angle+=e.angularVelocity,e.speed=r.magnitude(e.velocity),e.angularSpeed=Math.abs(e.angularVelocity);for(var p=0;p<e.parts.length;p++){var f=e.parts[p];i.translate(f.vertices,e.velocity),p>0&&(f.position.x+=e.velocity.x,f.position.y+=e.velocity.y),0!==e.angularVelocity&&(i.rotate(f.vertices,e.angularVelocity,e.position),c.rotate(f.axes,e.angularVelocity),p>0&&r.rotateAbout(f.position,e.angularVelocity,e.position,f.position)),l.update(f.bounds,f.vertices,e.velocity)}},o.applyForce=function(e,t,n){e.force.x+=n.x,e.force.y+=n.y;var o={x:t.x-e.position.x,y:t.y-e.position.y};e.torque+=o.x*n.y-o.y*n.x},o._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=r.add(t.centre,r.mult(o.position,i))}return t.centre=r.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 o={};t.exports=o;var i=e("../core/Events"),r=e("../core/Common"),s=e("./Body");!function(){o.create=function(e){return r.extend({id:r.nextId(),type:"composite",parent:null,isModified:!1,bodies:[],constraints:[],composites:[],label:"Composite",plugin:{}},e)},o.setModified=function(e,t,n,i){if(e.isModified=t,n&&e.parent&&o.setModified(e.parent,t,n,i),i)for(var r=0;r<e.composites.length;r++){var s=e.composites[r];o.setModified(s,t,n,i)}},o.add=function(e,t){var n=[].concat(t);i.trigger(e,"beforeAdd",{object:t});for(var s=0;s<n.length;s++){var a=n[s];switch(a.type){case"body":if(a.parent!==a){r.warn("Composite.add: skipped adding a compound body part (you must add its parent instead)");
break}o.addBody(e,a);break;case"constraint":o.addConstraint(e,a);break;case"composite":o.addComposite(e,a);break;case"mouseConstraint":o.addConstraint(e,a.constraint)}}return i.trigger(e,"afterAdd",{object:t}),e},o.remove=function(e,t,n){var r=[].concat(t);i.trigger(e,"beforeRemove",{object:t});for(var s=0;s<r.length;s++){var a=r[s];switch(a.type){case"body":o.removeBody(e,a,n);break;case"constraint":o.removeConstraint(e,a,n);break;case"composite":o.removeComposite(e,a,n);break;case"mouseConstraint":o.removeConstraint(e,a.constraint)}}return i.trigger(e,"afterRemove",{object:t}),e},o.addComposite=function(e,t){return e.composites.push(t),t.parent=e,o.setModified(e,!0,!0,!1),e},o.removeComposite=function(e,t,n){var i=r.indexOf(e.composites,t);if(i!==-1&&(o.removeCompositeAt(e,i),o.setModified(e,!0,!0,!1)),n)for(var s=0;s<e.composites.length;s++)o.removeComposite(e.composites[s],t,!0);return e},o.removeCompositeAt=function(e,t){return e.composites.splice(t,1),o.setModified(e,!0,!0,!1),e},
o.addBody=function(e,t){return e.bodies.push(t),o.setModified(e,!0,!0,!1),e},o.removeBody=function(e,t,n){var i=r.indexOf(e.bodies,t);if(i!==-1&&(o.removeBodyAt(e,i),o.setModified(e,!0,!0,!1)),n)for(var s=0;s<e.composites.length;s++)o.removeBody(e.composites[s],t,!0);return e},o.removeBodyAt=function(e,t){return e.bodies.splice(t,1),o.setModified(e,!0,!0,!1),e},o.addConstraint=function(e,t){return e.constraints.push(t),o.setModified(e,!0,!0,!1),e},o.removeConstraint=function(e,t,n){var i=r.indexOf(e.constraints,t);if(i!==-1&&o.removeConstraintAt(e,i),n)for(var s=0;s<e.composites.length;s++)o.removeConstraint(e.composites[s],t,!0);return e},o.removeConstraintAt=function(e,t){return e.constraints.splice(t,1),o.setModified(e,!0,!0,!1),e},o.clear=function(e,t,n){if(n)for(var i=0;i<e.composites.length;i++)o.clear(e.composites[i],t,!0);return t?e.bodies=e.bodies.filter(function(e){return e.isStatic}):e.bodies.length=0,e.constraints.length=0,e.composites.length=0,o.setModified(e,!0,!0,!1),e},o.allBodies=function(e){
for(var t=[].concat(e.bodies),n=0;n<e.composites.length;n++)t=t.concat(o.allBodies(e.composites[n]));return t},o.allConstraints=function(e){for(var t=[].concat(e.constraints),n=0;n<e.composites.length;n++)t=t.concat(o.allConstraints(e.composites[n]));return t},o.allComposites=function(e){for(var t=[].concat(e.composites),n=0;n<e.composites.length;n++)t=t.concat(o.allComposites(e.composites[n]));return t},o.get=function(e,t,n){var i,r;switch(n){case"body":i=o.allBodies(e);break;case"constraint":i=o.allConstraints(e);break;case"composite":i=o.allComposites(e).concat(e)}return i?(r=i.filter(function(e){return e.id.toString()===t.toString()}),0===r.length?null:r[0]):null},o.move=function(e,t,n){return o.remove(e,t),o.add(n,t),e},o.rebase=function(e){for(var t=o.allBodies(e).concat(o.allConstraints(e)).concat(o.allComposites(e)),n=0;n<t.length;n++)t[n].id=r.nextId();return o.setModified(e,!0,!0,!1),e},o.translate=function(e,t,n){for(var i=n?o.allBodies(e):e.bodies,r=0;r<i.length;r++)s.translate(i[r],t);
return o.setModified(e,!0,!0,!1),e},o.rotate=function(e,t,n,i){for(var r=Math.cos(t),a=Math.sin(t),l=i?o.allBodies(e):e.bodies,c=0;c<l.length;c++){var d=l[c],u=d.position.x-n.x,p=d.position.y-n.y;s.setPosition(d,{x:n.x+(u*r-p*a),y:n.y+(u*a+p*r)}),s.rotate(d,t)}return o.setModified(e,!0,!0,!1),e},o.scale=function(e,t,n,i,r){for(var a=r?o.allBodies(e):e.bodies,l=0;l<a.length;l++){var c=a[l],d=c.position.x-i.x,u=c.position.y-i.y;s.setPosition(c,{x:i.x+d*t,y:i.y+u*n}),s.scale(c,t,n)}return o.setModified(e,!0,!0,!1),e},o.bounds=function(e){for(var t=Matter.Composite.allBodies(e),n=[],o=0;o<t.length;o+=1){var i=t[o];n.push(i.bounds.min,i.bounds.max)}return Matter.Bounds.create(n)}}()},{"../core/Common":14,"../core/Events":16,"./Body":1}],3:[function(e,t,n){var o={};t.exports=o;var i=e("./Composite"),r=(e("../constraint/Constraint"),e("../core/Common"));!function(){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,function(){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 o={};t.exports=o;var i=e("./SAT"),r=e("./Pair"),s=e("../geometry/Bounds");!function(){o.collisions=function(e,t){for(var n=[],a=t.pairs.table,l=0;l<e.length;l++){var c=e[l][0],d=e[l][1];if((!c.isStatic&&!c.isSleeping||!d.isStatic&&!d.isSleeping)&&o.canCollide(c.collisionFilter,d.collisionFilter)&&s.overlaps(c.bounds,d.bounds))for(var u=c.parts.length>1?1:0;u<c.parts.length;u++)for(var p=c.parts[u],f=d.parts.length>1?1:0;f<d.parts.length;f++){var m=d.parts[f];if(p===c&&m===d||s.overlaps(p.bounds,m.bounds)){var v,y=r.id(p,m),g=a[y];v=g&&g.isActive?g.collision:null;var x=i.collides(p,m,v);x.collided&&n.push(x)}}}return n},o.canCollide=function(e,t){return e.group===t.group&&0!==e.group?e.group>0:0!==(e.mask&t.category)&&0!==(t.mask&e.category);
}}()},{"../geometry/Bounds":26,"./Pair":7,"./SAT":11}],6:[function(e,t,n){var o={};t.exports=o;var i=e("./Pair"),r=e("./Detector"),s=e("../core/Common");!function(){o.create=function(e){var t={controller:o,detector:r.collisions,buckets:{},pairs:{},pairsList:[],bucketWidth:48,bucketHeight:48};return s.extend(t,e)},o.update=function(e,t,n,i){var r,s,a,l,c,d=n.world,u=e.buckets,p=!1;for(r=0;r<t.length;r++){var f=t[r];if((!f.isSleeping||i)&&!(f.bounds.max.x<d.bounds.min.x||f.bounds.min.x>d.bounds.max.x||f.bounds.max.y<d.bounds.min.y||f.bounds.min.y>d.bounds.max.y)){var m=o._getRegion(e,f);if(!f.region||m.id!==f.region.id||i){f.region&&!i||(f.region=m);var v=o._regionUnion(m,f.region);for(s=v.startCol;s<=v.endCol;s++)for(a=v.startRow;a<=v.endRow;a++){c=o._getBucketId(s,a),l=u[c];var y=s>=m.startCol&&s<=m.endCol&&a>=m.startRow&&a<=m.endRow,g=s>=f.region.startCol&&s<=f.region.endCol&&a>=f.region.startRow&&a<=f.region.endRow;!y&&g&&g&&l&&o._bucketRemoveBody(e,l,f),(f.region===m||y&&!g||i)&&(l||(l=o._createBucket(u,c)),
o._bucketAddBody(e,l,f))}f.region=m,p=!0}}}p&&(e.pairsList=o._createActivePairsList(e))},o.clear=function(e){e.buckets={},e.pairs={},e.pairsList=[]},o._regionUnion=function(e,t){var n=Math.min(e.startCol,t.startCol),i=Math.max(e.endCol,t.endCol),r=Math.min(e.startRow,t.startRow),s=Math.max(e.endRow,t.endRow);return o._createRegion(n,i,r,s)},o._getRegion=function(e,t){var n=t.bounds,i=Math.floor(n.min.x/e.bucketWidth),r=Math.floor(n.max.x/e.bucketWidth),s=Math.floor(n.min.y/e.bucketHeight),a=Math.floor(n.max.y/e.bucketHeight);return o._createRegion(i,r,s,a)},o._createRegion=function(e,t,n,o){return{id:e+","+t+","+n+","+o,startCol:e,endCol:t,startRow:n,endRow:o}},o._getBucketId=function(e,t){return"C"+e+"R"+t},o._createBucket=function(e,t){var n=e[t]=[];return n},o._bucketAddBody=function(e,t,n){for(var o=0;o<t.length;o++){var r=t[o];if(!(n.id===r.id||n.isStatic&&r.isStatic)){var s=i.id(n,r),a=e.pairs[s];a?a[2]+=1:e.pairs[s]=[n,r,1]}}t.push(n)},o._bucketRemoveBody=function(e,t,n){t.splice(s.indexOf(t,n),1);
for(var o=0;o<t.length;o++){var r=t[o],a=i.id(n,r),l=e.pairs[a];l&&(l[2]-=1)}},o._createActivePairsList=function(e){var t,n,o=[];t=s.keys(e.pairs);for(var i=0;i<t.length;i++)n=e.pairs[t[i]],n[2]>0?o.push(n):delete e.pairs[t[i]];return o}}()},{"../core/Common":14,"./Detector":5,"./Pair":7}],7:[function(e,t,n){var o={};t.exports=o;var i=e("./Contact");!function(){o.create=function(e,t){var n=e.bodyA,i=e.bodyB,r=e.parentA,s=e.parentB,a={id:o.id(n,i),bodyA:n,bodyB:i,contacts:{},activeContacts:[],separation:0,isActive:!0,isSensor:n.isSensor||i.isSensor,timeCreated:t,timeUpdated:t,inverseMass:r.inverseMass+s.inverseMass,friction:Math.min(r.friction,s.friction),frictionStatic:Math.max(r.frictionStatic,s.frictionStatic),restitution:Math.max(r.restitution,s.restitution),slop:Math.max(r.slop,s.slop)};return o.update(a,e,t),a},o.update=function(e,t,n){var r=e.contacts,s=t.supports,a=e.activeContacts,l=t.parentA,c=t.parentB;if(e.collision=t,e.inverseMass=l.inverseMass+c.inverseMass,e.friction=Math.min(l.friction,c.friction),
e.frictionStatic=Math.max(l.frictionStatic,c.frictionStatic),e.restitution=Math.max(l.restitution,c.restitution),e.slop=Math.max(l.slop,c.slop),a.length=0,t.collided){for(var d=0;d<s.length;d++){var u=s[d],p=i.id(u),f=r[p];f?a.push(f):a.push(r[p]=i.create(u))}e.separation=t.depth,o.setActive(e,!0,n)}else e.isActive===!0&&o.setActive(e,!1,n)},o.setActive=function(e,t,n){t?(e.isActive=!0,e.timeUpdated=n):(e.isActive=!1,e.activeContacts.length=0)},o.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 o={};t.exports=o;var i=e("./Pair"),r=e("../core/Common");!function(){o._pairMaxIdleLife=1e3,o.create=function(e){return r.extend({table:{},list:[],collisionStart:[],collisionActive:[],collisionEnd:[]},e)},o.update=function(e,t,n){var o,s,a,l,c=e.list,d=e.table,u=e.collisionStart,p=e.collisionEnd,f=e.collisionActive,m=[];for(u.length=0,p.length=0,f.length=0,l=0;l<t.length;l++)o=t[l],o.collided&&(s=i.id(o.bodyA,o.bodyB),m.push(s),a=d[s],
a?(a.isActive?f.push(a):u.push(a),i.update(a,o,n)):(a=i.create(o,n),d[s]=a,u.push(a),c.push(a)));for(l=0;l<c.length;l++)a=c[l],a.isActive&&r.indexOf(m,a.id)===-1&&(i.setActive(a,!1,n),p.push(a))},o.removeOld=function(e,t){var n,i,r,s,a=e.list,l=e.table,c=[];for(s=0;s<a.length;s++)n=a[s],i=n.collision,i.bodyA.isSleeping||i.bodyB.isSleeping?n.timeUpdated=t:t-n.timeUpdated>o._pairMaxIdleLife&&c.push(s);for(s=0;s<c.length;s++)r=c[s]-s,n=a[r],delete l[n.id],a.splice(r,1)},o.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 o={};t.exports=o;var i=e("../geometry/Vector"),r=e("./SAT"),s=e("../geometry/Bounds"),a=e("../factory/Bodies"),l=e("../geometry/Vertices");!function(){o.collides=function(e,t){for(var n=[],o=0;o<t.length;o++){var i=t[o];if(s.overlaps(i.bounds,e.bounds))for(var a=1===i.parts.length?0:1;a<i.parts.length;a++){var l=i.parts[a];if(s.overlaps(l.bounds,e.bounds)){
var c=r.collides(l,e);if(c.collided){n.push(c);break}}}}return n},o.ray=function(e,t,n,r){r=r||1e-100;for(var s=i.angle(t,n),l=i.magnitude(i.sub(t,n)),c=.5*(n.x+t.x),d=.5*(n.y+t.y),u=a.rectangle(c,d,l,r,{angle:s}),p=o.collides(u,e),f=0;f<p.length;f+=1){var m=p[f];m.body=m.bodyB=m.bodyA}return p},o.region=function(e,t,n){for(var o=[],i=0;i<e.length;i++){var r=e[i],a=s.overlaps(r.bounds,t);(a&&!n||!a&&n)&&o.push(r)}return o},o.point=function(e,t){for(var n=[],o=0;o<e.length;o++){var i=e[o];if(s.contains(i.bounds,t))for(var r=1===i.parts.length?0:1;r<i.parts.length;r++){var a=i.parts[r];if(s.contains(a.bounds,t)&&l.contains(a.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 o={};t.exports=o;var i=e("../geometry/Vertices"),r=e("../geometry/Vector"),s=e("../core/Common"),a=e("../geometry/Bounds");!function(){o._restingThresh=4,o._restingThreshTangent=6,o._positionDampen=.9,
o._positionWarming=.8,o._frictionNormalMultiplier=5,o.preSolvePosition=function(e){var t,n,o;for(t=0;t<e.length;t++)n=e[t],n.isActive&&(o=n.activeContacts.length,n.collision.parentA.totalContacts+=o,n.collision.parentB.totalContacts+=o)},o.solvePosition=function(e,t){var n,i,s,a,l,c,d,u,p,f=r._temp[0],m=r._temp[1],v=r._temp[2],y=r._temp[3];for(n=0;n<e.length;n++)i=e[n],i.isActive&&!i.isSensor&&(s=i.collision,a=s.parentA,l=s.parentB,c=s.normal,d=r.sub(r.add(l.positionImpulse,l.position,f),r.add(a.positionImpulse,r.sub(l.position,s.penetration,m),v),y),i.separation=r.dot(c,d));for(n=0;n<e.length;n++)i=e[n],i.isActive&&!i.isSensor&&(s=i.collision,a=s.parentA,l=s.parentB,c=s.normal,p=(i.separation-i.slop)*t,(a.isStatic||l.isStatic)&&(p*=2),a.isStatic||a.isSleeping||(u=o._positionDampen/a.totalContacts,a.positionImpulse.x+=c.x*p*u,a.positionImpulse.y+=c.y*p*u),l.isStatic||l.isSleeping||(u=o._positionDampen/l.totalContacts,l.positionImpulse.x-=c.x*p*u,l.positionImpulse.y-=c.y*p*u))},o.postSolvePosition=function(e){
for(var t=0;t<e.length;t++){var n=e[t];if(n.totalContacts=0,0!==n.positionImpulse.x||0!==n.positionImpulse.y){for(var s=0;s<n.parts.length;s++){var l=n.parts[s];i.translate(l.vertices,n.positionImpulse),a.update(l.bounds,l.vertices,n.velocity),l.position.x+=n.positionImpulse.x,l.position.y+=n.positionImpulse.y}n.positionPrev.x+=n.positionImpulse.x,n.positionPrev.y+=n.positionImpulse.y,r.dot(n.positionImpulse,n.velocity)<0?(n.positionImpulse.x=0,n.positionImpulse.y=0):(n.positionImpulse.x*=o._positionWarming,n.positionImpulse.y*=o._positionWarming)}}},o.preSolveVelocity=function(e){var t,n,o,i,s,a,l,c,d,u,p,f,m,v,y=r._temp[0],g=r._temp[1];for(t=0;t<e.length;t++)if(o=e[t],o.isActive&&!o.isSensor)for(i=o.activeContacts,s=o.collision,a=s.parentA,l=s.parentB,c=s.normal,d=s.tangent,n=0;n<i.length;n++)u=i[n],p=u.vertex,f=u.normalImpulse,m=u.tangentImpulse,0===f&&0===m||(y.x=c.x*f+d.x*m,y.y=c.y*f+d.y*m,a.isStatic||a.isSleeping||(v=r.sub(p,a.position,g),a.positionPrev.x+=y.x*a.inverseMass,a.positionPrev.y+=y.y*a.inverseMass,
a.anglePrev+=r.cross(v,y)*a.inverseInertia),l.isStatic||l.isSleeping||(v=r.sub(p,l.position,g),l.positionPrev.x-=y.x*l.inverseMass,l.positionPrev.y-=y.y*l.inverseMass,l.anglePrev-=r.cross(v,y)*l.inverseInertia))},o.solveVelocity=function(e,t){for(var n=t*t,i=r._temp[0],a=r._temp[1],l=r._temp[2],c=r._temp[3],d=r._temp[4],u=r._temp[5],p=0;p<e.length;p++){var f=e[p];if(f.isActive&&!f.isSensor){var m=f.collision,v=m.parentA,y=m.parentB,g=m.normal,x=m.tangent,h=f.activeContacts,b=1/h.length;v.velocity.x=v.position.x-v.positionPrev.x,v.velocity.y=v.position.y-v.positionPrev.y,y.velocity.x=y.position.x-y.positionPrev.x,y.velocity.y=y.position.y-y.positionPrev.y,v.angularVelocity=v.angle-v.anglePrev,y.angularVelocity=y.angle-y.anglePrev;for(var w=0;w<h.length;w++){var S=h[w],C=S.vertex,A=r.sub(C,v.position,a),P=r.sub(C,y.position,l),B=r.add(v.velocity,r.mult(r.perp(A),v.angularVelocity),c),M=r.add(y.velocity,r.mult(r.perp(P),y.angularVelocity),d),k=r.sub(B,M,u),I=r.dot(g,k),_=r.dot(x,k),T=Math.abs(_),R=s.sign(_),V=(1+f.restitution)*I,E=s.clamp(f.separation+I,0,1)*o._frictionNormalMultiplier,L=_,F=1/0;
T>f.friction*f.frictionStatic*E*n&&(F=T,L=s.clamp(f.friction*R*n,-F,F));var O=r.cross(A,g),q=r.cross(P,g),W=b/(v.inverseMass+y.inverseMass+v.inverseInertia*O*O+y.inverseInertia*q*q);if(V*=W,L*=W,I<0&&I*I>o._restingThresh*n)S.normalImpulse=0;else{var D=S.normalImpulse;S.normalImpulse=Math.min(S.normalImpulse+V,0),V=S.normalImpulse-D}if(_*_>o._restingThreshTangent*n)S.tangentImpulse=0;else{var N=S.tangentImpulse;S.tangentImpulse=s.clamp(S.tangentImpulse+L,-F,F),L=S.tangentImpulse-N}i.x=g.x*V+x.x*L,i.y=g.y*V+x.y*L,v.isStatic||v.isSleeping||(v.positionPrev.x+=i.x*v.inverseMass,v.positionPrev.y+=i.y*v.inverseMass,v.anglePrev+=r.cross(A,i)*v.inverseInertia),y.isStatic||y.isSleeping||(y.positionPrev.x-=i.x*y.inverseMass,y.positionPrev.y-=i.y*y.inverseMass,y.anglePrev-=r.cross(P,i)*y.inverseInertia)}}}}}()},{"../core/Common":14,"../geometry/Bounds":26,"../geometry/Vector":28,"../geometry/Vertices":29}],11:[function(e,t,n){var o={};t.exports=o;var i=e("../geometry/Vertices"),r=e("../geometry/Vector");
!function(){o.collides=function(e,t,n){var s,a,l,c,d=!1;if(n){var u=e.parent,p=t.parent,f=u.speed*u.speed+u.angularSpeed*u.angularSpeed+p.speed*p.speed+p.angularSpeed*p.angularSpeed;d=n&&n.collided&&f<.2,c=n}else c={collided:!1,bodyA:e,bodyB:t};if(n&&d){var m=c.axisBody,v=m===e?t:e,y=[m.axes[n.axisNumber]];if(l=o._overlapAxes(m.vertices,v.vertices,y),c.reused=!0,l.overlap<=0)return c.collided=!1,c}else{if(s=o._overlapAxes(e.vertices,t.vertices,e.axes),s.overlap<=0)return c.collided=!1,c;if(a=o._overlapAxes(t.vertices,e.vertices,t.axes),a.overlap<=0)return c.collided=!1,c;s.overlap<a.overlap?(l=s,c.axisBody=e):(l=a,c.axisBody=t),c.axisNumber=l.axisNumber}c.bodyA=e.id<t.id?e:t,c.bodyB=e.id<t.id?t:e,c.collided=!0,c.depth=l.overlap,c.parentA=c.bodyA.parent,c.parentB=c.bodyB.parent,e=c.bodyA,t=c.bodyB,r.dot(l.axis,r.sub(t.position,e.position))<0?c.normal={x:l.axis.x,y:l.axis.y}:c.normal={x:-l.axis.x,y:-l.axis.y},c.tangent=r.perp(c.normal),c.penetration=c.penetration||{},c.penetration.x=c.normal.x*c.depth,
c.penetration.y=c.normal.y*c.depth;var g=o._findSupports(e,t,c.normal),x=[];if(i.contains(e.vertices,g[0])&&x.push(g[0]),i.contains(e.vertices,g[1])&&x.push(g[1]),x.length<2){var h=o._findSupports(t,e,r.neg(c.normal));i.contains(t.vertices,h[0])&&x.push(h[0]),x.length<2&&i.contains(t.vertices,h[1])&&x.push(h[1])}return x.length<1&&(x=[g[0]]),c.supports=x,c},o._overlapAxes=function(e,t,n){for(var i,s,a=r._temp[0],l=r._temp[1],c={overlap:Number.MAX_VALUE},d=0;d<n.length;d++){if(s=n[d],o._projectToAxis(a,e,s),o._projectToAxis(l,t,s),i=Math.min(a.max-l.min,l.max-a.min),i<=0)return c.overlap=i,c;i<c.overlap&&(c.overlap=i,c.axis=s,c.axisNumber=d)}return c},o._projectToAxis=function(e,t,n){for(var o=r.dot(t[0],n),i=o,s=1;s<t.length;s+=1){var a=r.dot(t[s],n);a>i?i=a:a<o&&(o=a)}e.min=o,e.max=i},o._findSupports=function(e,t,n){for(var o,i,s,a,l=Number.MAX_VALUE,c=r._temp[0],d=t.vertices,u=e.position,p=0;p<d.length;p++)i=d[p],c.x=i.x-u.x,c.y=i.y-u.y,o=-r.dot(n,c),o<l&&(l=o,s=i);var f=s.index-1>=0?s.index-1:d.length-1;
i=d[f],c.x=i.x-u.x,c.y=i.y-u.y,l=-r.dot(n,c),a=i;var m=(s.index+1)%d.length;return i=d[m],c.x=i.x-u.x,c.y=i.y-u.y,o=-r.dot(n,c),o<l&&(a=i),[s,a]}}()},{"../geometry/Vector":28,"../geometry/Vertices":29}],12:[function(e,t,n){var o={};t.exports=o;var i=e("../geometry/Vertices"),r=e("../geometry/Vector"),s=e("../core/Sleeping"),a=e("../geometry/Bounds"),l=e("../geometry/Axes"),c=e("../core/Common");!function(){o._warming=.4,o._torqueDampen=1,o._minLength=1e-6,o.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?r.add(t.bodyA.position,t.pointA):t.pointA,o=t.bodyB?r.add(t.bodyB.position,t.pointB):t.pointB,i=r.magnitude(r.sub(n,o));t.length="undefined"!=typeof t.length?t.length:i,t.id=t.id||c.nextId(),t.label=t.label||"Constraint",t.type="constraint",t.stiffness=t.stiffness||(t.length>0?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 s={visible:!0,lineWidth:2,strokeStyle:"#ffffff",type:"line",anchors:!0};return 0===t.length&&t.stiffness>.1?(s.type="pin",s.anchors=!1):t.stiffness<.9&&(s.type="spring"),t.render=c.extend(s,t.render),t},o.preSolveAll=function(e){for(var t=0;t<e.length;t+=1){var n=e[t],o=n.constraintImpulse;n.isStatic||0===o.x&&0===o.y&&0===o.angle||(n.position.x+=o.x,n.position.y+=o.y,n.angle+=o.angle)}},o.solveAll=function(e,t){for(var n=0;n<e.length;n+=1){var i=e[n],r=!i.bodyA||i.bodyA&&i.bodyA.isStatic,s=!i.bodyB||i.bodyB&&i.bodyB.isStatic;(r||s)&&o.solve(e[n],t)}for(n=0;n<e.length;n+=1)i=e[n],r=!i.bodyA||i.bodyA&&i.bodyA.isStatic,s=!i.bodyB||i.bodyB&&i.bodyB.isStatic,r||s||o.solve(e[n],t)},o.solve=function(e,t){var n=e.bodyA,i=e.bodyB,s=e.pointA,a=e.pointB;if(n||i){n&&!n.isStatic&&(r.rotate(s,n.angle-e.angleA,s),e.angleA=n.angle),i&&!i.isStatic&&(r.rotate(a,i.angle-e.angleB,a),e.angleB=i.angle);var l=s,c=a;if(n&&(l=r.add(n.position,s)),i&&(c=r.add(i.position,a)),l&&c){var d=r.sub(l,c),u=r.magnitude(d);
u<o._minLength&&(u=o._minLength);var p,f,m,v,y,g=(u-e.length)/u,x=e.stiffness<1?e.stiffness*t:e.stiffness,h=r.mult(d,g*x),b=(n?n.inverseMass:0)+(i?i.inverseMass:0),w=(n?n.inverseInertia:0)+(i?i.inverseInertia:0),S=b+w;if(e.damping){var C=r.create();m=r.div(d,u),y=r.sub(i&&r.sub(i.position,i.positionPrev)||C,n&&r.sub(n.position,n.positionPrev)||C),v=r.dot(m,y)}n&&!n.isStatic&&(f=n.inverseMass/b,n.constraintImpulse.x-=h.x*f,n.constraintImpulse.y-=h.y*f,n.position.x-=h.x*f,n.position.y-=h.y*f,e.damping&&(n.positionPrev.x-=e.damping*m.x*v*f,n.positionPrev.y-=e.damping*m.y*v*f),p=r.cross(s,h)/S*o._torqueDampen*n.inverseInertia*(1-e.angularStiffness),n.constraintImpulse.angle-=p,n.angle-=p),i&&!i.isStatic&&(f=i.inverseMass/b,i.constraintImpulse.x+=h.x*f,i.constraintImpulse.y+=h.y*f,i.position.x+=h.x*f,i.position.y+=h.y*f,e.damping&&(i.positionPrev.x+=e.damping*m.x*v*f,i.positionPrev.y+=e.damping*m.y*v*f),p=r.cross(a,h)/S*o._torqueDampen*i.inverseInertia*(1-e.angularStiffness),i.constraintImpulse.angle+=p,
i.angle+=p)}}},o.postSolveAll=function(e){for(var t=0;t<e.length;t++){var n=e[t],c=n.constraintImpulse;if(!(n.isStatic||0===c.x&&0===c.y&&0===c.angle)){s.set(n,!1);for(var d=0;d<n.parts.length;d++){var u=n.parts[d];i.translate(u.vertices,c),d>0&&(u.position.x+=c.x,u.position.y+=c.y),0!==c.angle&&(i.rotate(u.vertices,c.angle,n.position),l.rotate(u.axes,c.angle),d>0&&r.rotateAbout(u.position,c.angle,n.position,u.position)),a.update(u.bounds,u.vertices,n.velocity)}c.angle*=o._warming,c.x*=o._warming,c.y*=o._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 o={};t.exports=o;var i=e("../geometry/Vertices"),r=e("../core/Sleeping"),s=e("../core/Mouse"),a=e("../core/Events"),l=e("../collision/Detector"),c=e("./Constraint"),d=e("../body/Composite"),u=e("../core/Common"),p=e("../geometry/Bounds");!function(){o.create=function(e,t){var n=(e?e.mouse:null)||(t?t.mouse:null);
n||(e&&e.render&&e.render.canvas?n=s.create(e.render.canvas):t&&t.element?n=s.create(t.element):(n=s.create(),u.warn("MouseConstraint.create: options.mouse was undefined, options.element was undefined, may not function as expected")));var i=c.create({label:"Mouse Constraint",pointA:n.position,pointB:{x:0,y:0},length:.01,stiffness:.1,angularStiffness:1,render:{strokeStyle:"#90EE90",lineWidth:3}}),r={type:"mouseConstraint",mouse:n,element:null,body:null,constraint:i,collisionFilter:{category:1,mask:4294967295,group:0}},l=u.extend(r,t);return a.on(e,"beforeUpdate",function(){var t=d.allBodies(e.world);o.update(l,t),o._triggerEvents(l)}),l},o.update=function(e,t){var n=e.mouse,o=e.constraint,s=e.body;if(0===n.button){if(o.bodyB)r.set(o.bodyB,!1),o.pointA=n.position;else for(var c=0;c<t.length;c++)if(s=t[c],p.contains(s.bounds,n.position)&&l.canCollide(s.collisionFilter,e.collisionFilter))for(var d=s.parts.length>1?1:0;d<s.parts.length;d++){var u=s.parts[d];if(i.contains(u.vertices,n.position)){
o.pointA=n.position,o.bodyB=e.body=s,o.pointB={x:n.position.x-s.position.x,y:n.position.y-s.position.y},o.angleB=s.angle,r.set(s,!1),a.trigger(e,"startdrag",{mouse:n,body:s});break}}}else o.bodyB=e.body=null,o.pointB=null,s&&a.trigger(e,"enddrag",{mouse:n,body:s})},o._triggerEvents=function(e){var t=e.mouse,n=t.sourceEvents;n.mousemove&&a.trigger(e,"mousemove",{mouse:t}),n.mousedown&&a.trigger(e,"mousedown",{mouse:t}),n.mouseup&&a.trigger(e,"mouseup",{mouse:t}),s.clearSourceEvents(t)}}()},{"../body/Composite":2,"../collision/Detector":5,"../core/Common":14,"../core/Events":16,"../core/Mouse":19,"../core/Sleeping":22,"../geometry/Bounds":26,"../geometry/Vertices":29,"./Constraint":12}],14:[function(e,t,n){var o={};t.exports=o,function(){o._nextId=0,o._seed=0,o._nowStartTime=+new Date,o.extend=function(e,t){var n,i;"boolean"==typeof t?(n=2,i=t):(n=1,i=!0);for(var r=n;r<arguments.length;r++){var s=arguments[r];if(s)for(var a in s)i&&s[a]&&s[a].constructor===Object?e[a]&&e[a].constructor!==Object?e[a]=s[a]:(e[a]=e[a]||{},
release 0.14.1
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o.extend(e[a],i,s[a])):e[a]=s[a]}return e},o.clone=function(e,t){return o.extend({},t,e)},o.keys=function(e){if(Object.keys)return Object.keys(e);var t=[];for(var n in e)t.push(n);return t},o.values=function(e){var t=[];if(Object.keys){for(var n=Object.keys(e),o=0;o<n.length;o++)t.push(e[n[o]]);return t}for(var i in e)t.push(e[i]);return t},o.get=function(e,t,n,o){t=t.split(".").slice(n,o);for(var i=0;i<t.length;i+=1)e=e[t[i]];return e},o.set=function(e,t,n,i,r){var s=t.split(".").slice(i,r);return o.get(e,t,0,-1)[s[s.length-1]]=n,n},o.shuffle=function(e){for(var t=e.length-1;t>0;t--){var n=Math.floor(o.random()*(t+1)),i=e[t];e[t]=e[n],e[n]=i}return e},o.choose=function(e){return e[Math.floor(o.random()*e.length)]},o.isElement=function(e){return"undefined"!=typeof HTMLElement?e instanceof HTMLElement:!!(e&&e.nodeType&&e.nodeName)},o.isArray=function(e){return"[object Array]"===Object.prototype.toString.call(e)},o.isFunction=function(e){return"function"==typeof e},o.isPlainObject=function(e){
release 0.14.0
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return"object"==typeof e&&e.constructor===Object},o.isString=function(e){return"[object String]"===toString.call(e)},o.clamp=function(e,t,n){return e<t?t:e>n?n:e},o.sign=function(e){return e<0?-1:1},o.now=function(){if(window.performance){if(window.performance.now)return window.performance.now();if(window.performance.webkitNow)return window.performance.webkitNow()}return new Date-o._nowStartTime},o.random=function(t,n){return t="undefined"!=typeof t?t:0,n="undefined"!=typeof n?n:1,t+e()*(n-t)};var e=function(){return o._seed=(9301*o._seed+49297)%233280,o._seed/233280};o.colorToNumber=function(e){return e=e.replace("#",""),3==e.length&&(e=e.charAt(0)+e.charAt(0)+e.charAt(1)+e.charAt(1)+e.charAt(2)+e.charAt(2)),parseInt(e,16)},o.logLevel=1,o.log=function(){console&&o.logLevel>0&&o.logLevel<=3&&console.log.apply(console,["matter-js:"].concat(Array.prototype.slice.call(arguments)))},o.info=function(){console&&o.logLevel>0&&o.logLevel<=2&&console.info.apply(console,["matter-js:"].concat(Array.prototype.slice.call(arguments)));
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}return t};return o._chained=e,o},o.chainPathBefore=function(e,t,n){return o.set(e,t,o.chain(n,o.get(e,t)))},o.chainPathAfter=function(e,t,n){return o.set(e,t,o.chain(o.get(e,t),n))}}()},{}],15:[function(e,t,n){var o={};t.exports=o;var i=e("../body/World"),r=e("./Sleeping"),s=e("../collision/Resolver"),a=e("../render/Render"),l=e("../collision/Pairs"),c=(e("./Metrics"),e("../collision/Grid")),d=e("./Events"),u=e("../body/Composite"),p=e("../constraint/Constraint"),f=e("./Common"),m=e("../body/Body");!function(){o.create=function(e,t){t=f.isElement(e)?t:e,e=f.isElement(e)?e:null,t=t||{},(e||t.render)&&f.warn("Engine.create: engine.render is deprecated (see docs)");var n={positionIterations:6,velocityIterations:4,constraintIterations:2,enableSleeping:!1,events:[],plugin:{},timing:{timestamp:0,timeScale:1},broadphase:{controller:c}},o=f.extend(n,t);if(e||o.render){var r={element:e,controller:a};o.render=f.extend(r,o.render)}return o.render&&o.render.controller&&(o.render=o.render.controller.create(o.render)),
o.render&&(o.render.engine=o),o.world=t.world||i.create(o.world),o.pairs=l.create(),o.broadphase=o.broadphase.controller.create(o.broadphase),o.metrics=o.metrics||{extended:!1},o},o.update=function(e,t,n){t=t||1e3/60,n=n||1;var i,a=e.world,c=e.timing,f=e.broadphase,m=[];c.timestamp+=t*c.timeScale;var v={timestamp:c.timestamp};d.trigger(e,"beforeUpdate",v);var y=u.allBodies(a),g=u.allConstraints(a);for(e.enableSleeping&&r.update(y,c.timeScale),o._bodiesApplyGravity(y,a.gravity),o._bodiesUpdate(y,t,c.timeScale,n,a.bounds),p.preSolveAll(y),i=0;i<e.constraintIterations;i++)p.solveAll(g,c.timeScale);p.postSolveAll(y),f.controller?(a.isModified&&f.controller.clear(f),f.controller.update(f,y,e,a.isModified),m=f.pairsList):m=y,a.isModified&&u.setModified(a,!1,!1,!0);var x=f.detector(m,e),h=e.pairs,b=c.timestamp;for(l.update(h,x,b),l.removeOld(h,b),e.enableSleeping&&r.afterCollisions(h.list,c.timeScale),h.collisionStart.length>0&&d.trigger(e,"collisionStart",{pairs:h.collisionStart}),s.preSolvePosition(h.list),
i=0;i<e.positionIterations;i++)s.solvePosition(h.list,c.timeScale);for(s.postSolvePosition(y),p.preSolveAll(y),i=0;i<e.constraintIterations;i++)p.solveAll(g,c.timeScale);for(p.postSolveAll(y),s.preSolveVelocity(h.list),i=0;i<e.velocityIterations;i++)s.solveVelocity(h.list,c.timeScale);return h.collisionActive.length>0&&d.trigger(e,"collisionActive",{pairs:h.collisionActive}),h.collisionEnd.length>0&&d.trigger(e,"collisionEnd",{pairs:h.collisionEnd}),o._bodiesClearForces(y),d.trigger(e,"afterUpdate",v),e},o.merge=function(e,t){if(f.extend(e,t),t.world){e.world=t.world,o.clear(e);for(var n=u.allBodies(e.world),i=0;i<n.length;i++){var s=n[i];r.set(s,!1),s.id=f.nextId()}}},o.clear=function(e){var t=e.world;l.clear(e.pairs);var n=e.broadphase;if(n.controller){var o=u.allBodies(t);n.controller.clear(n),n.controller.update(n,o,e,!0)}},o._bodiesClearForces=function(e){for(var t=0;t<e.length;t++){var n=e[t];n.force.x=0,n.force.y=0,n.torque=0}},o._bodiesApplyGravity=function(e,t){var n="undefined"!=typeof t.scale?t.scale:.001;
if((0!==t.x||0!==t.y)&&0!==n)for(var o=0;o<e.length;o++){var i=e[o];i.isStatic||i.isSleeping||(i.force.y+=i.mass*t.y*n,i.force.x+=i.mass*t.x*n)}},o._bodiesUpdate=function(e,t,n,o,i){for(var r=0;r<e.length;r++){var s=e[r];s.isStatic||s.isSleeping||m.update(s,t,n,o)}}}()},{"../body/Body":1,"../body/Composite":2,"../body/World":3,"../collision/Grid":6,"../collision/Pairs":8,"../collision/Resolver":10,"../constraint/Constraint":12,"../render/Render":31,"./Common":14,"./Events":16,"./Metrics":18,"./Sleeping":22}],16:[function(e,t,n){var o={};t.exports=o;var i=e("./Common");!function(){o.on=function(e,t,n){for(var o,i=t.split(" "),r=0;r<i.length;r++)o=i[r],e.events=e.events||{},e.events[o]=e.events[o]||[],e.events[o].push(n);return n},o.off=function(e,t,n){if(!t)return void(e.events={});"function"==typeof t&&(n=t,t=i.keys(e.events).join(" "));for(var o=t.split(" "),r=0;r<o.length;r++){var s=e.events[o[r]],a=[];if(n&&s)for(var l=0;l<s.length;l++)s[l]!==n&&a.push(s[l]);e.events[o[r]]=a}},o.trigger=function(e,t,n){
release 0.14.1
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var o,r,s,a;if(e.events){n||(n={}),o=t.split(" ");for(var l=0;l<o.length;l++)if(r=o[l],s=e.events[r]){a=i.clone(n,!1),a.name=r,a.source=e;for(var c=0;c<s.length;c++)s[c].apply(e,[a])}}}}()},{"./Common":14}],17:[function(e,t,n){var o={};t.exports=o;var i=e("./Plugin"),r=e("./Common");!function(){o.name="matter-js",o.version="0.14.1",o.uses=[],o.used=[],o.use=function(){i.use(o,Array.prototype.slice.call(arguments))},o.before=function(e,t){return e=e.replace(/^Matter./,""),r.chainPathBefore(o,e,t)},o.after=function(e,t){return e=e.replace(/^Matter./,""),r.chainPathAfter(o,e,t)}}()},{"./Common":14,"./Plugin":20}],18:[function(e,t,n){},{"../body/Composite":2,"./Common":14}],19:[function(e,t,n){var o={};t.exports=o;var i=e("../core/Common");!function(){o.create=function(e){var t={};return e||i.log("Mouse.create: element was undefined, defaulting to document.body","warn"),t.element=e||document.body,t.absolute={x:0,y:0},t.position={x:0,y:0},t.mousedownPosition={x:0,y:0},t.mouseupPosition={x:0,
release 0.14.0
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y:0},t.offset={x:0,y:0},t.scale={x:1,y:1},t.wheelDelta=0,t.button=-1,t.pixelRatio=t.element.getAttribute("data-pixel-ratio")||1,t.sourceEvents={mousemove:null,mousedown:null,mouseup:null,mousewheel:null},t.mousemove=function(e){var n=o._getRelativeMousePosition(e,t.element,t.pixelRatio),i=e.changedTouches;i&&(t.button=0,e.preventDefault()),t.absolute.x=n.x,t.absolute.y=n.y,t.position.x=t.absolute.x*t.scale.x+t.offset.x,t.position.y=t.absolute.y*t.scale.y+t.offset.y,t.sourceEvents.mousemove=e},t.mousedown=function(e){var n=o._getRelativeMousePosition(e,t.element,t.pixelRatio),i=e.changedTouches;i?(t.button=0,e.preventDefault()):t.button=e.button,t.absolute.x=n.x,t.absolute.y=n.y,t.position.x=t.absolute.x*t.scale.x+t.offset.x,t.position.y=t.absolute.y*t.scale.y+t.offset.y,t.mousedownPosition.x=t.position.x,t.mousedownPosition.y=t.position.y,t.sourceEvents.mousedown=e},t.mouseup=function(e){var n=o._getRelativeMousePosition(e,t.element,t.pixelRatio),i=e.changedTouches;i&&e.preventDefault(),
t.button=-1,t.absolute.x=n.x,t.absolute.y=n.y,t.position.x=t.absolute.x*t.scale.x+t.offset.x,t.position.y=t.absolute.y*t.scale.y+t.offset.y,t.mouseupPosition.x=t.position.x,t.mouseupPosition.y=t.position.y,t.sourceEvents.mouseup=e},t.mousewheel=function(e){t.wheelDelta=Math.max(-1,Math.min(1,e.wheelDelta||-e.detail)),e.preventDefault()},o.setElement(t,t.element),t},o.setElement=function(e,t){e.element=t,t.addEventListener("mousemove",e.mousemove),t.addEventListener("mousedown",e.mousedown),t.addEventListener("mouseup",e.mouseup),t.addEventListener("mousewheel",e.mousewheel),t.addEventListener("DOMMouseScroll",e.mousewheel),t.addEventListener("touchmove",e.mousemove),t.addEventListener("touchstart",e.mousedown),t.addEventListener("touchend",e.mouseup)},o.clearSourceEvents=function(e){e.sourceEvents.mousemove=null,e.sourceEvents.mousedown=null,e.sourceEvents.mouseup=null,e.sourceEvents.mousewheel=null,e.wheelDelta=0},o.setOffset=function(e,t){e.offset.x=t.x,e.offset.y=t.y,e.position.x=e.absolute.x*e.scale.x+e.offset.x,
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n>r?(i.warn("Plugin.register:",o.toString(t),"was upgraded to",o.toString(e)),o._registry[e.name]=e):n<r?i.warn("Plugin.register:",o.toString(t),"can not be downgraded to",o.toString(e)):e!==t&&i.warn("Plugin.register:",o.toString(e),"is already registered to different plugin object")}else o._registry[e.name]=e;return e},o.resolve=function(e){return o._registry[o.dependencyParse(e).name]},o.toString=function(e){return"string"==typeof e?e:(e.name||"anonymous")+"@"+(e.version||e.range||"0.0.0")},o.isPlugin=function(e){return e&&e.name&&e.version&&e.install},o.isUsed=function(e,t){return e.used.indexOf(t)>-1},o.isFor=function(e,t){var n=e.for&&o.dependencyParse(e.for);return!e.for||t.name===n.name&&o.versionSatisfies(t.version,n.range)},o.use=function(e,t){if(e.uses=(e.uses||[]).concat(t||[]),0===e.uses.length)return void i.warn("Plugin.use:",o.toString(e),"does not specify any dependencies to install.");for(var n=o.dependencies(e),r=i.topologicalSort(n),s=[],a=0;a<r.length;a+=1)if(r[a]!==e.name){
var l=o.resolve(r[a]);l?o.isUsed(e,l.name)||(o.isFor(l,e)||(i.warn("Plugin.use:",o.toString(l),"is for",l.for,"but installed on",o.toString(e)+"."),l._warned=!0),l.install?l.install(e):(i.warn("Plugin.use:",o.toString(l),"does not specify an install function."),l._warned=!0),l._warned?(s.push("🔶 "+o.toString(l)),delete l._warned):s.push("✅ "+o.toString(l)),e.used.push(l.name)):s.push("❌ "+r[a])}s.length>0&&i.info(s.join(" "))},o.dependencies=function(e,t){var n=o.dependencyParse(e),r=n.name;if(t=t||{},!(r in t)){e=o.resolve(e)||e,t[r]=i.map(e.uses||[],function(t){o.isPlugin(t)&&o.register(t);var r=o.dependencyParse(t),s=o.resolve(t);return s&&!o.versionSatisfies(s.version,r.range)?(i.warn("Plugin.dependencies:",o.toString(s),"does not satisfy",o.toString(r),"used by",o.toString(n)+"."),s._warned=!0,e._warned=!0):s||(i.warn("Plugin.dependencies:",o.toString(t),"used by",o.toString(n),"could not be resolved."),e._warned=!0),r.name});for(var s=0;s<t[r].length;s+=1)o.dependencies(t[r][s],t);
return t}},o.dependencyParse=function(e){if(i.isString(e)){var t=/^[\w-]+(@(\*|[\^~]?\d+\.\d+\.\d+(-[0-9A-Za-z-]+)?))?$/;return t.test(e)||i.warn("Plugin.dependencyParse:",e,"is not a valid dependency string."),{name:e.split("@")[0],range:e.split("@")[1]||"*"}}return{name:e.name,range:e.range||e.version}},o.versionParse=function(e){var t=/^\*|[\^~]?\d+\.\d+\.\d+(-[0-9A-Za-z-]+)?$/;t.test(e)||i.warn("Plugin.versionParse:",e,"is not a valid version or range.");var n=e.split("-");e=n[0];var o=isNaN(Number(e[0])),r=o?e.substr(1):e,s=i.map(r.split("."),function(e){return Number(e)});return{isRange:o,version:r,range:e,operator:o?e[0]:"",parts:s,prerelease:n[1],number:1e8*s[0]+1e4*s[1]+s[2]}},o.versionSatisfies=function(e,t){t=t||"*";var n=o.versionParse(t),i=n.parts,r=o.versionParse(e),s=r.parts;if(n.isRange){if("*"===n.operator||"*"===e)return!0;if("~"===n.operator)return s[0]===i[0]&&s[1]===i[1]&&s[2]>=i[2];if("^"===n.operator)return i[0]>0?s[0]===i[0]&&r.number>=n.number:i[1]>0?s[1]===i[1]&&s[2]>=i[2]:s[2]===i[2];
}return e===t||"*"===e}}()},{"./Common":14}],21:[function(e,t,n){var o={};t.exports=o;var i=e("./Events"),r=e("./Engine"),s=e("./Common");!function(){var e,t;if("undefined"!=typeof window&&(e=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.msRequestAnimationFrame,t=window.cancelAnimationFrame||window.mozCancelAnimationFrame||window.webkitCancelAnimationFrame||window.msCancelAnimationFrame),!e){var n;e=function(e){n=setTimeout(function(){e(s.now())},1e3/60)},t=function(){clearTimeout(n)}}o.create=function(e){var t={fps:60,correction:1,deltaSampleSize:60,counterTimestamp:0,frameCounter:0,deltaHistory:[],timePrev:null,timeScalePrev:1,frameRequestId:null,isFixed:!1,enabled:!0},n=s.extend(t,e);return n.delta=n.delta||1e3/n.fps,n.deltaMin=n.deltaMin||1e3/n.fps,n.deltaMax=n.deltaMax||1e3/(.5*n.fps),n.fps=1e3/n.delta,n},o.run=function(t,n){return"undefined"!=typeof t.positionIterations&&(n=t,t=o.create()),function i(r){t.frameRequestId=e(i),
r&&t.enabled&&o.tick(t,n,r)}(),t},o.tick=function(e,t,n){var o,s=t.timing,a=1,l={timestamp:s.timestamp};i.trigger(e,"beforeTick",l),i.trigger(t,"beforeTick",l),e.isFixed?o=e.delta:(o=n-e.timePrev||e.delta,e.timePrev=n,e.deltaHistory.push(o),e.deltaHistory=e.deltaHistory.slice(-e.deltaSampleSize),o=Math.min.apply(null,e.deltaHistory),o=o<e.deltaMin?e.deltaMin:o,o=o>e.deltaMax?e.deltaMax:o,a=o/e.delta,e.delta=o),0!==e.timeScalePrev&&(a*=s.timeScale/e.timeScalePrev),0===s.timeScale&&(a=0),e.timeScalePrev=s.timeScale,e.correction=a,e.frameCounter+=1,n-e.counterTimestamp>=1e3&&(e.fps=e.frameCounter*((n-e.counterTimestamp)/1e3),e.counterTimestamp=n,e.frameCounter=0),i.trigger(e,"tick",l),i.trigger(t,"tick",l),t.world.isModified&&t.render&&t.render.controller&&t.render.controller.clear&&t.render.controller.clear(t.render),i.trigger(e,"beforeUpdate",l),r.update(t,o,a),i.trigger(e,"afterUpdate",l),t.render&&t.render.controller&&(i.trigger(e,"beforeRender",l),i.trigger(t,"beforeRender",l),t.render.controller.world(t.render),
i.trigger(e,"afterRender",l),i.trigger(t,"afterRender",l)),i.trigger(e,"afterTick",l),i.trigger(t,"afterTick",l)},o.stop=function(e){t(e.frameRequestId)},o.start=function(e,t){o.run(e,t)}}()},{"./Common":14,"./Engine":15,"./Events":16}],22:[function(e,t,n){var o={};t.exports=o;var i=e("./Events");!function(){o._motionWakeThreshold=.18,o._motionSleepThreshold=.08,o._minBias=.9,o.update=function(e,t){for(var n=t*t*t,i=0;i<e.length;i++){var r=e[i],s=r.speed*r.speed+r.angularSpeed*r.angularSpeed;if(0===r.force.x&&0===r.force.y){var a=Math.min(r.motion,s),l=Math.max(r.motion,s);r.motion=o._minBias*a+(1-o._minBias)*l,r.sleepThreshold>0&&r.motion<o._motionSleepThreshold*n?(r.sleepCounter+=1,r.sleepCounter>=r.sleepThreshold&&o.set(r,!0)):r.sleepCounter>0&&(r.sleepCounter-=1)}else o.set(r,!1)}},o.afterCollisions=function(e,t){for(var n=t*t*t,i=0;i<e.length;i++){var r=e[i];if(r.isActive){var s=r.collision,a=s.bodyA.parent,l=s.bodyB.parent;if(!(a.isSleeping&&l.isSleeping||a.isStatic||l.isStatic)&&(a.isSleeping||l.isSleeping)){
var c=a.isSleeping&&!a.isStatic?a:l,d=c===a?l:a;!c.isStatic&&d.motion>o._motionWakeThreshold*n&&o.set(c,!1)}}}},o.set=function(e,t){var n=e.isSleeping;t?(e.isSleeping=!0,e.sleepCounter=e.sleepThreshold,e.positionImpulse.x=0,e.positionImpulse.y=0,e.positionPrev.x=e.position.x,e.positionPrev.y=e.position.y,e.anglePrev=e.angle,e.speed=0,e.angularSpeed=0,e.motion=0,n||i.trigger(e,"sleepStart")):(e.isSleeping=!1,e.sleepCounter=0,n&&i.trigger(e,"sleepEnd"))}}()},{"./Events":16}],23:[function(e,t,n){(function(n){var o={};t.exports=o;var i=e("../geometry/Vertices"),r=e("../core/Common"),s=e("../body/Body"),a=e("../geometry/Bounds"),l=e("../geometry/Vector"),c="undefined"!=typeof window?window.decomp:"undefined"!=typeof n?n.decomp:null;!function(){o.rectangle=function(e,t,n,o,a){a=a||{};var l={label:"Rectangle Body",position:{x:e,y:t},vertices:i.fromPath("L 0 0 L "+n+" 0 L "+n+" "+o+" L 0 "+o)};if(a.chamfer){var c=a.chamfer;l.vertices=i.chamfer(l.vertices,c.radius,c.quality,c.qualityMin,c.qualityMax),
delete a.chamfer}return s.create(r.extend({},l,a))},o.trapezoid=function(e,t,n,o,a,l){l=l||{},a*=.5;var c,d=(1-2*a)*n,u=n*a,p=u+d,f=p+u;c=a<.5?"L 0 0 L "+u+" "+-o+" L "+p+" "+-o+" L "+f+" 0":"L 0 0 L "+p+" "+-o+" L "+f+" 0";var m={label:"Trapezoid Body",position:{x:e,y:t},vertices:i.fromPath(c)};if(l.chamfer){var v=l.chamfer;m.vertices=i.chamfer(m.vertices,v.radius,v.quality,v.qualityMin,v.qualityMax),delete l.chamfer}return s.create(r.extend({},m,l))},o.circle=function(e,t,n,i,s){i=i||{};var a={label:"Circle Body",circleRadius:n};s=s||25;var l=Math.ceil(Math.max(10,Math.min(s,n)));return l%2===1&&(l+=1),o.polygon(e,t,l,n,r.extend({},a,i))},o.polygon=function(e,t,n,a,l){if(l=l||{},n<3)return o.circle(e,t,a,l);for(var c=2*Math.PI/n,d="",u=.5*c,p=0;p<n;p+=1){var f=u+p*c,m=Math.cos(f)*a,v=Math.sin(f)*a;d+="L "+m.toFixed(3)+" "+v.toFixed(3)+" "}var y={label:"Polygon Body",position:{x:e,y:t},vertices:i.fromPath(d)};if(l.chamfer){var g=l.chamfer;y.vertices=i.chamfer(y.vertices,g.radius,g.quality,g.qualityMin,g.qualityMax),
release 0.14.0
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delete l.chamfer}return s.create(r.extend({},y,l))},o.fromVertices=function(e,t,n,o,d,u,p){var f,m,v,y,g,x,h,b,w;for(o=o||{},m=[],d="undefined"!=typeof d&&d,u="undefined"!=typeof u?u:.01,p="undefined"!=typeof p?p:10,c||r.warn("Bodies.fromVertices: poly-decomp.js required. Could not decompose vertices. Fallback to convex hull."),r.isArray(n[0])||(n=[n]),b=0;b<n.length;b+=1)if(y=n[b],v=i.isConvex(y),v||!c)y=v?i.clockwiseSort(y):i.hull(y),m.push({position:{x:e,y:t},vertices:y});else{var S=y.map(function(e){return[e.x,e.y]});c.makeCCW(S),u!==!1&&c.removeCollinearPoints(S,u);var C=c.quickDecomp(S);for(g=0;g<C.length;g++){var A=C[g],P=A.map(function(e){return{x:e[0],y:e[1]}});p>0&&i.area(P)<p||m.push({position:i.centre(P),vertices:P})}}for(g=0;g<m.length;g++)m[g]=s.create(r.extend(m[g],o));if(d){var B=5;for(g=0;g<m.length;g++){var M=m[g];for(x=g+1;x<m.length;x++){var k=m[x];if(a.overlaps(M.bounds,k.bounds)){var I=M.vertices,_=k.vertices;for(h=0;h<M.vertices.length;h++)for(w=0;w<k.vertices.length;w++){
var T=l.magnitudeSquared(l.sub(I[(h+1)%I.length],_[w])),R=l.magnitudeSquared(l.sub(I[h],_[(w+1)%_.length]));T<B&&R<B&&(I[h].isInternal=!0,_[w].isInternal=!0)}}}}}return m.length>1?(f=s.create(r.extend({parts:m.slice(0)},o)),s.setPosition(f,{x:e,y:t}),f):m[0]}}()}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"../body/Body":1,"../core/Common":14,"../geometry/Bounds":26,"../geometry/Vector":28,"../geometry/Vertices":29}],24:[function(e,t,n){var o={};t.exports=o;var i=e("../body/Composite"),r=e("../constraint/Constraint"),s=e("../core/Common"),a=e("../body/Body"),l=e("./Bodies");!function(){o.stack=function(e,t,n,o,r,s,l){for(var c,d=i.create({label:"Stack"}),u=e,p=t,f=0,m=0;m<o;m++){for(var v=0,y=0;y<n;y++){var g=l(u,p,y,m,c,f);if(g){var x=g.bounds.max.y-g.bounds.min.y,h=g.bounds.max.x-g.bounds.min.x;x>v&&(v=x),a.translate(g,{x:.5*h,y:.5*x}),u=g.bounds.max.x+r,i.addBody(d,g),c=g,f+=1}else u+=r}p+=v+s,u=e}return d},o.chain=function(e,t,n,o,a,l){
update alpha build
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for(var c=e.bodies,d=1;d<c.length;d++){var u=c[d-1],p=c[d],f=u.bounds.max.y-u.bounds.min.y,m=u.bounds.max.x-u.bounds.min.x,v=p.bounds.max.y-p.bounds.min.y,y=p.bounds.max.x-p.bounds.min.x,g={bodyA:u,pointA:{x:m*t,y:f*n},bodyB:p,pointB:{x:y*o,y:v*a}},x=s.extend(g,l);i.addConstraint(e,r.create(x))}return e.label+=" Chain",e},o.mesh=function(e,t,n,o,a){var l,c,d,u,p,f=e.bodies;for(l=0;l<n;l++){for(c=1;c<t;c++)d=f[c-1+l*t],u=f[c+l*t],i.addConstraint(e,r.create(s.extend({bodyA:d,bodyB:u},a)));if(l>0)for(c=0;c<t;c++)d=f[c+(l-1)*t],u=f[c+l*t],i.addConstraint(e,r.create(s.extend({bodyA:d,bodyB:u},a))),o&&c>0&&(p=f[c-1+(l-1)*t],i.addConstraint(e,r.create(s.extend({bodyA:p,bodyB:u},a)))),o&&c<t-1&&(p=f[c+1+(l-1)*t],i.addConstraint(e,r.create(s.extend({bodyA:p,bodyB:u},a))))}return e.label+=" Mesh",e},o.pyramid=function(e,t,n,i,r,s,l){return o.stack(e,t,n,i,r,s,function(t,o,s,c,d,u){var p=Math.min(i,Math.ceil(n/2)),f=d?d.bounds.max.x-d.bounds.min.x:0;if(!(c>p)){c=p-c;var m=c,v=n-1-c;if(!(s<m||s>v)){
release 0.13.0
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1===u&&a.translate(d,{x:(s+(n%2===1?1:-1))*f,y:0});var y=d?s*f:0;return l(e+y+s*r,o,s,c,d,u)}}})},o.newtonsCradle=function(e,t,n,o,s){for(var a=i.create({label:"Newtons Cradle"}),c=0;c<n;c++){var d=1.9,u=l.circle(e+c*(o*d),t+s,o,{inertia:1/0,restitution:1,friction:0,frictionAir:1e-4,slop:1}),p=r.create({pointA:{x:e+c*(o*d),y:t},bodyB:u});i.addBody(a,u),i.addConstraint(a,p)}return a},o.car=function(e,t,n,o,s){var c=a.nextGroup(!0),d=20,u=.5*-n+d,p=.5*n-d,f=0,m=i.create({label:"Car"}),v=l.rectangle(e,t,n,o,{collisionFilter:{group:c},chamfer:{radius:.5*o},density:2e-4}),y=l.circle(e+u,t+f,s,{collisionFilter:{group:c},friction:.8}),g=l.circle(e+p,t+f,s,{collisionFilter:{group:c},friction:.8}),x=r.create({bodyB:v,pointB:{x:u,y:f},bodyA:y,stiffness:1,length:0}),h=r.create({bodyB:v,pointB:{x:p,y:f},bodyA:g,stiffness:1,length:0});return i.addBody(m,v),i.addBody(m,y),i.addBody(m,g),i.addConstraint(m,x),i.addConstraint(m,h),m},o.softBody=function(e,t,n,i,r,a,c,d,u,p){u=s.extend({inertia:1/0},u),p=s.extend({
stiffness:.2,render:{type:"line",anchors:!1}},p);var f=o.stack(e,t,n,i,r,a,function(e,t){return l.circle(e,t,d,u)});return o.mesh(f,n,i,c,p),f.label="Soft Body",f}}()},{"../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 i=e("../geometry/Vector"),r=e("../core/Common");!function(){o.fromVertices=function(e){for(var t={},n=0;n<e.length;n++){var o=(n+1)%e.length,s=i.normalise({x:e[o].y-e[n].y,y:e[n].x-e[o].x}),a=0===s.y?1/0:s.x/s.y;a=a.toFixed(3).toString(),t[a]=s}return r.values(t)},o.rotate=function(e,t){if(0!==t)for(var n=Math.cos(t),o=Math.sin(t),i=0;i<e.length;i++){var r,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,function(){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++){
release 0.14.0
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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&&(n.x>0?e.max.x+=n.x:e.min.x+=n.x,n.y>0?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 o={};t.exports=o;e("../geometry/Bounds");!function(){o.pathToVertices=function(e,t){var n,i,r,s,a,l,c,d,u,p,f,m,v=[],y=0,g=0,x=0;t=t||15;var h=function(e,t,n){var o=n%2===1&&n>1;if(!u||e!=u.x||t!=u.y){u&&o?(f=u.x,m=u.y):(f=0,m=0);var i={x:f+e,y:m+t};!o&&u||(u=i),v.push(i),g=f+e,x=m+t}},b=function(e){var t=e.pathSegTypeAsLetter.toUpperCase();if("Z"!==t){switch(t){case"M":case"L":case"T":case"C":
case"S":case"Q":g=e.x,x=e.y;break;case"H":g=e.x;break;case"V":x=e.y}h(g,x,e.pathSegType)}};for(o._svgPathToAbsolute(e),r=e.getTotalLength(),l=[],n=0;n<e.pathSegList.numberOfItems;n+=1)l.push(e.pathSegList.getItem(n));for(c=l.concat();y<r;){if(p=e.getPathSegAtLength(y),a=l[p],a!=d){for(;c.length&&c[0]!=a;)b(c.shift());d=a}switch(a.pathSegTypeAsLetter.toUpperCase()){case"C":case"T":case"S":case"Q":case"A":s=e.getPointAtLength(y),h(s.x,s.y,0)}y+=t}for(n=0,i=c.length;n<i;++n)b(c[n]);return v},o._svgPathToAbsolute=function(e){for(var t,n,o,i,r,s,a=e.pathSegList,l=0,c=0,d=a.numberOfItems,u=0;u<d;++u){var p=a.getItem(u),f=p.pathSegTypeAsLetter;if(/[MLHVCSQTA]/.test(f))"x"in p&&(l=p.x),"y"in p&&(c=p.y);else switch("x1"in p&&(o=l+p.x1),"x2"in p&&(r=l+p.x2),"y1"in p&&(i=c+p.y1),"y2"in p&&(s=c+p.y2),"x"in p&&(l+=p.x),"y"in p&&(c+=p.y),f){case"m":a.replaceItem(e.createSVGPathSegMovetoAbs(l,c),u);break;case"l":a.replaceItem(e.createSVGPathSegLinetoAbs(l,c),u);break;case"h":a.replaceItem(e.createSVGPathSegLinetoHorizontalAbs(l),u);
break;case"v":a.replaceItem(e.createSVGPathSegLinetoVerticalAbs(c),u);break;case"c":a.replaceItem(e.createSVGPathSegCurvetoCubicAbs(l,c,o,i,r,s),u);break;case"s":a.replaceItem(e.createSVGPathSegCurvetoCubicSmoothAbs(l,c,r,s),u);break;case"q":a.replaceItem(e.createSVGPathSegCurvetoQuadraticAbs(l,c,o,i),u);break;case"t":a.replaceItem(e.createSVGPathSegCurvetoQuadraticSmoothAbs(l,c),u);break;case"a":a.replaceItem(e.createSVGPathSegArcAbs(l,c,p.r1,p.r2,p.angle,p.largeArcFlag,p.sweepFlag),u);break;case"z":case"Z":l=t,c=n}"M"!=f&&"m"!=f||(t=l,n=c)}}}()},{"../geometry/Bounds":26}],28:[function(e,t,n){var o={};t.exports=o,function(){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);
update alpha build
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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 n||(n={}),n.x=e.x-t.x,n.y=e.y-t.y,n},o.mult=function(e,t){return{x:e.x*t,y:e.y*t}},o.div=function(e,t){return{x:e.x/t,y:e.y/t}},o.perp=function(e,t){return t=t===!0?-1:1,{x:t*-e.y,y:t*e.x}},o.neg=function(e){return{x:-e.x,y:-e.y}},o.angle=function(e,t){return Math.atan2(t.y-e.y,t.x-e.x)},o._temp=[o.create(),o.create(),o.create(),o.create(),o.create(),o.create()]}()},{}],29:[function(e,t,n){var o={};t.exports=o;var i=e("../geometry/Vector"),r=e("../core/Common");!function(){o.create=function(e,t){for(var n=[],o=0;o<e.length;o++){var i=e[o],r={x:i.x,y:i.y,index:o,
body:t,isInternal:!1};n.push(r)}return n},o.fromPath=function(e,t){var n=/L?\s*([\-\d\.e]+)[\s,]*([\-\d\.e]+)*/gi,i=[];return e.replace(n,function(e,t,n){i.push({x:parseFloat(t),y:parseFloat(n)})}),o.create(i,t)},o.centre=function(e){for(var t,n,r,s=o.area(e,!0),a={x:0,y:0},l=0;l<e.length;l++)r=(l+1)%e.length,t=i.cross(e[l],e[r]),n=i.mult(i.add(e[l],e[r]),t),a=i.add(a,n);return i.div(a,6*s)},o.mean=function(e){for(var t={x:0,y:0},n=0;n<e.length;n++)t.x+=e[n].x,t.y+=e[n].y;return i.div(t,e.length)},o.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},o.inertia=function(e,t){for(var n,o,r=0,s=0,a=e,l=0;l<a.length;l++)o=(l+1)%a.length,n=Math.abs(i.cross(a[o],a[l])),r+=n*(i.dot(a[o],a[o])+i.dot(a[o],a[l])+i.dot(a[l],a[l])),s+=n;return t/6*(r/s)},o.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},o.rotate=function(e,t,n){
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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}},o.contains=function(e,t){for(var n=0;n<e.length;n++){var o=e[n],i=e[(n+1)%e.length];if((t.x-o.x)*(i.y-o.y)+(t.y-o.y)*(o.x-i.x)>0)return!1}return!0},o.scale=function(e,t,n,r){if(1===t&&1===n)return e;r=r||o.centre(e);for(var s,a,l=0;l<e.length;l++)s=e[l],a=i.sub(s,r),e[l].x=r.x+a.x*t,e[l].y=r.y+a.y*n;return e},o.chamfer=function(e,t,n,o,s){t="number"==typeof t?[t]:t||[8],n="undefined"!=typeof n?n:-1,o=o||2,s=s||14;for(var a=[],l=0;l<e.length;l++){var c=e[l-1>=0?l-1:e.length-1],d=e[l],u=e[(l+1)%e.length],p=t[l<t.length?l:t.length-1];if(0!==p){var f=i.normalise({x:d.y-c.y,y:c.x-d.x}),m=i.normalise({x:u.y-d.y,y:d.x-u.x}),v=Math.sqrt(2*Math.pow(p,2)),y=i.mult(r.clone(f),p),g=i.normalise(i.mult(i.add(f,m),.5)),x=i.sub(d,i.mult(g,v)),h=n;n===-1&&(h=1.75*Math.pow(p,.32)),h=r.clamp(h,o,s),h%2===1&&(h+=1);for(var b=Math.acos(i.dot(f,m)),w=b/h,S=0;S<h;S++)a.push(i.add(i.rotate(y,w*S),x));
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}else a.push(d)}return a},o.clockwiseSort=function(e){var t=o.mean(e);return e.sort(function(e,n){return i.angle(t,e)-i.angle(t,n)}),e},o.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(n=(t+1)%s,o=(t+2)%s,i=(e[n].x-e[t].x)*(e[o].y-e[n].y),i-=(e[n].y-e[t].y)*(e[o].x-e[n].x),i<0?r|=1:i>0&&(r|=2),3===r)return!1;return 0!==r||null},o.hull=function(e){var t,n,o=[],r=[];for(e=e.slice(0),e.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];r.length>=2&&i.cross3(r[r.length-2],r[r.length-1],t)<=0;)r.pop();r.push(t)}for(n=e.length-1;n>=0;n-=1){for(t=e[n];o.length>=2&&i.cross3(o[o.length-2],o[o.length-1],t)<=0;)o.pop();o.push(t)}return o.pop(),r.pop(),o.concat(r)}}()},{"../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"),
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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 o={};t.exports=o;var i=e("../core/Common"),r=e("../body/Composite"),s=e("../geometry/Bounds"),a=e("../core/Events"),l=e("../collision/Grid"),c=e("../geometry/Vector"),d=e("../core/Mouse");!function(){var e,t;"undefined"!=typeof window&&(e=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.msRequestAnimationFrame||function(e){
window.setTimeout(function(){e(i.now())},1e3/60)},t=window.cancelAnimationFrame||window.mozCancelAnimationFrame||window.webkitCancelAnimationFrame||window.msCancelAnimationFrame),o.create=function(e){var t={controller:o,engine:null,element:null,canvas:null,mouse:null,frameRequestId:null,options:{width:800,height:600,pixelRatio:1,background:"#18181d",wireframeBackground:"#0f0f13",hasBounds:!!e.bounds,enabled:!0,wireframes:!0,showSleeping:!0,showDebug:!1,showBroadphase:!1,showBounds:!1,showVelocity:!1,showCollisions:!1,showSeparations:!1,showAxes:!1,showPositions:!1,showAngleIndicator:!1,showIds:!1,showShadows:!1,showVertexNumbers:!1,showConvexHulls:!1,showInternalEdges:!1,showMousePosition:!1}},r=i.extend(t,e);return r.canvas&&(r.canvas.width=r.options.width||r.canvas.width,r.canvas.height=r.options.height||r.canvas.height),r.mouse=e.mouse,r.engine=e.engine,r.canvas=r.canvas||n(r.options.width,r.options.height),r.context=r.canvas.getContext("2d"),r.textures={},r.bounds=r.bounds||{min:{x:0,
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y:0},max:{x:r.canvas.width,y:r.canvas.height}},1!==r.options.pixelRatio&&o.setPixelRatio(r,r.options.pixelRatio),i.isElement(r.element)?r.element.appendChild(r.canvas):r.canvas.parentNode||i.log("Render.create: options.element was undefined, render.canvas was created but not appended","warn"),r},o.run=function(t){!function n(i){t.frameRequestId=e(n),o.world(t)}()},o.stop=function(e){t(e.frameRequestId)},o.setPixelRatio=function(e,t){var n=e.options,o=e.canvas;"auto"===t&&(t=u(o)),n.pixelRatio=t,o.setAttribute("data-pixel-ratio",t),o.width=n.width*t,o.height=n.height*t,o.style.width=n.width+"px",o.style.height=n.height+"px",e.context.scale(t,t)},o.lookAt=function(e,t,n,o){o="undefined"==typeof o||o,t=i.isArray(t)?t:[t],n=n||{x:0,y:0};for(var r={min:{x:1/0,y:1/0},max:{x:-(1/0),y:-(1/0)}},s=0;s<t.length;s+=1){var a=t[s],l=a.bounds?a.bounds.min:a.min||a.position||a,c=a.bounds?a.bounds.max:a.max||a.position||a;l&&c&&(l.x<r.min.x&&(r.min.x=l.x),c.x>r.max.x&&(r.max.x=c.x),l.y<r.min.y&&(r.min.y=l.y),
c.y>r.max.y&&(r.max.y=c.y))}var u=r.max.x-r.min.x+2*n.x,p=r.max.y-r.min.y+2*n.y,f=e.canvas.height,m=e.canvas.width,v=m/f,y=u/p,g=1,x=1;y>v?x=y/v:g=v/y,e.options.hasBounds=!0,e.bounds.min.x=r.min.x,e.bounds.max.x=r.min.x+u*g,e.bounds.min.y=r.min.y,e.bounds.max.y=r.min.y+p*x,o&&(e.bounds.min.x+=.5*u-u*g*.5,e.bounds.max.x+=.5*u-u*g*.5,e.bounds.min.y+=.5*p-p*x*.5,e.bounds.max.y+=.5*p-p*x*.5),e.bounds.min.x-=n.x,e.bounds.max.x-=n.x,e.bounds.min.y-=n.y,e.bounds.max.y-=n.y,e.mouse&&(d.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}),d.setOffset(e.mouse,e.bounds.min))},o.startViewTransform=function(e){var t=e.bounds.max.x-e.bounds.min.x,n=e.bounds.max.y-e.bounds.min.y,o=t/e.options.width,i=n/e.options.height;e.context.scale(1/o,1/i),e.context.translate(-e.bounds.min.x,-e.bounds.min.y)},o.endViewTransform=function(e){e.context.setTransform(e.options.pixelRatio,0,0,e.options.pixelRatio,0,0)},o.world=function(e){var t,n=e.engine,i=n.world,u=e.canvas,p=e.context,m=e.options,v=r.allBodies(i),y=r.allConstraints(i),g=m.wireframes?m.wireframeBackground:m.background,x=[],h=[],b={
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timestamp:n.timing.timestamp};if(a.trigger(e,"beforeRender",b),e.currentBackground!==g&&f(e,g),p.globalCompositeOperation="source-in",p.fillStyle="transparent",p.fillRect(0,0,u.width,u.height),p.globalCompositeOperation="source-over",m.hasBounds){for(t=0;t<v.length;t++){var w=v[t];s.overlaps(w.bounds,e.bounds)&&x.push(w)}for(t=0;t<y.length;t++){var S=y[t],C=S.bodyA,A=S.bodyB,P=S.pointA,B=S.pointB;C&&(P=c.add(C.position,S.pointA)),A&&(B=c.add(A.position,S.pointB)),P&&B&&(s.contains(e.bounds,P)||s.contains(e.bounds,B))&&h.push(S)}o.startViewTransform(e),e.mouse&&(d.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}),d.setOffset(e.mouse,e.bounds.min))}else h=y,x=v;!m.wireframes||n.enableSleeping&&m.showSleeping?o.bodies(e,x,p):(m.showConvexHulls&&o.bodyConvexHulls(e,x,p),o.bodyWireframes(e,x,p)),m.showBounds&&o.bodyBounds(e,x,p),(m.showAxes||m.showAngleIndicator)&&o.bodyAxes(e,x,p),m.showPositions&&o.bodyPositions(e,x,p),m.showVelocity&&o.bodyVelocity(e,x,p),
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m.showIds&&o.bodyIds(e,x,p),m.showSeparations&&o.separations(e,n.pairs.list,p),m.showCollisions&&o.collisions(e,n.pairs.list,p),m.showVertexNumbers&&o.vertexNumbers(e,x,p),m.showMousePosition&&o.mousePosition(e,e.mouse,p),o.constraints(h,p),m.showBroadphase&&n.broadphase.controller===l&&o.grid(e,n.broadphase,p),m.showDebug&&o.debug(e,p),m.hasBounds&&o.endViewTransform(e),a.trigger(e,"afterRender",b)},o.debug=function(e,t){var n=t,o=e.engine,i=o.world,s=o.metrics,a=e.options,l=(r.allBodies(i)," ");if(o.timing.timestamp-(e.debugTimestamp||0)>=500){var c="";s.timing&&(c+="fps: "+Math.round(s.timing.fps)+l),e.debugString=c,e.debugTimestamp=o.timing.timestamp}if(e.debugString){n.font="12px Arial",a.wireframes?n.fillStyle="rgba(255,255,255,0.5)":n.fillStyle="rgba(0,0,0,0.5)";for(var d=e.debugString.split("\n"),u=0;u<d.length;u++)n.fillText(d[u],50,50+18*u)}},o.constraints=function(e,t){for(var n=t,o=0;o<e.length;o++){var r=e[o];if(r.render.visible&&r.pointA&&r.pointB){var s,a,l=r.bodyA,d=r.bodyB;
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if(s=l?c.add(l.position,r.pointA):r.pointA,"pin"===r.render.type)n.beginPath(),n.arc(s.x,s.y,3,0,2*Math.PI),n.closePath();else{if(a=d?c.add(d.position,r.pointB):r.pointB,n.beginPath(),n.moveTo(s.x,s.y),"spring"===r.render.type)for(var u,p=c.sub(a,s),f=c.perp(c.normalise(p)),m=Math.ceil(i.clamp(r.length/5,12,20)),v=1;v<m;v+=1)u=v%2===0?1:-1,n.lineTo(s.x+p.x*(v/m)+f.x*u*4,s.y+p.y*(v/m)+f.y*u*4);n.lineTo(a.x,a.y)}r.render.lineWidth&&(n.lineWidth=r.render.lineWidth,n.strokeStyle=r.render.strokeStyle,n.stroke()),r.render.anchors&&(n.fillStyle=r.render.strokeStyle,n.beginPath(),n.arc(s.x,s.y,3,0,2*Math.PI),n.arc(a.x,a.y,3,0,2*Math.PI),n.closePath(),n.fill())}}},o.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);
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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}}},o.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],o.render.visible)for(s=o.parts.length>1?1:0;s<o.parts.length;s++)if(i=o.parts[s],i.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 d=i.render.sprite,u=p(e,d.texture);a.translate(i.position.x,i.position.y),a.rotate(i.angle),a.drawImage(u,u.width*-d.xOffset*d.xScale,u.height*-d.yOffset*d.yScale,u.width*d.xScale,u.height*d.yScale),a.rotate(-i.angle),a.translate(-i.position.x,-i.position.y)}else{if(i.circleRadius)a.beginPath(),
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a.lineWidth=1):(a.strokeStyle="rgba(255, 255, 255, 0.4)",a.globalCompositeOperation="overlay",a.lineWidth=2),a.stroke(),a.globalCompositeOperation="source-over"},o.bodyPositions=function(e,t,n){var o,i,r,s,a=n,l=(e.engine,e.options);for(a.beginPath(),r=0;r<t.length;r++)if(o=t[r],o.render.visible)for(s=0;s<o.parts.length;s++)i=o.parts[s],a.arc(i.position.x,i.position.y,3,0,2*Math.PI,!1),a.closePath();for(l.wireframes?a.fillStyle="indianred":a.fillStyle="rgba(0,0,0,0.5)",a.fill(),a.beginPath(),r=0;r<t.length;r++)o=t[r],o.render.visible&&(a.arc(o.positionPrev.x,o.positionPrev.y,2,0,2*Math.PI,!1),a.closePath());a.fillStyle="rgba(255,165,0,0.8)",a.fill()},o.bodyVelocity=function(e,t,n){var o=n;o.beginPath();for(var i=0;i<t.length;i++){var r=t[i];r.render.visible&&(o.moveTo(r.position.x,r.position.y),o.lineTo(r.position.x+2*(r.position.x-r.positionPrev.x),r.position.y+2*(r.position.y-r.positionPrev.y)))}o.lineWidth=3,o.strokeStyle="cornflowerblue",o.stroke()},o.bodyIds=function(e,t,n){var o,i,r=n;
for(o=0;o<t.length;o++)if(t[o].render.visible){var s=t[o].parts;for(i=s.length>1?1:0;i<s.length;i++){var a=s[i];r.font="12px Arial",r.fillStyle="rgba(255,255,255,0.5)",r.fillText(a.id,a.position.x+10,a.position.y-10)}}},o.collisions=function(e,t,n){var o,i,r,s,a=n,l=e.options;for(a.beginPath(),r=0;r<t.length;r++)if(o=t[r],o.isActive)for(i=o.collision,s=0;s<o.activeContacts.length;s++){var c=o.activeContacts[s],d=c.vertex;a.rect(d.x-1.5,d.y-1.5,3.5,3.5)}for(l.wireframes?a.fillStyle="rgba(255,255,255,0.7)":a.fillStyle="orange",a.fill(),a.beginPath(),r=0;r<t.length;r++)if(o=t[r],o.isActive&&(i=o.collision,o.activeContacts.length>0)){var u=o.activeContacts[0].vertex.x,p=o.activeContacts[0].vertex.y;2===o.activeContacts.length&&(u=(o.activeContacts[0].vertex.x+o.activeContacts[1].vertex.x)/2,p=(o.activeContacts[0].vertex.y+o.activeContacts[1].vertex.y)/2),i.bodyB===i.supports[0].body||i.bodyA.isStatic===!0?a.moveTo(u-8*i.normal.x,p-8*i.normal.y):a.moveTo(u+8*i.normal.x,p+8*i.normal.y),a.lineTo(u,p);
}l.wireframes?a.strokeStyle="rgba(255,165,0,0.7)":a.strokeStyle="orange",a.lineWidth=1,a.stroke()},o.separations=function(e,t,n){var o,i,r,s,a,l=n,c=e.options;for(l.beginPath(),a=0;a<t.length;a++)if(o=t[a],o.isActive){i=o.collision,r=i.bodyA,s=i.bodyB;var d=1;s.isStatic||r.isStatic||(d=.5),s.isStatic&&(d=0),l.moveTo(s.position.x,s.position.y),l.lineTo(s.position.x-i.penetration.x*d,s.position.y-i.penetration.y*d),d=1,s.isStatic||r.isStatic||(d=.5),r.isStatic&&(d=0),l.moveTo(r.position.x,r.position.y),l.lineTo(r.position.x+i.penetration.x*d,r.position.y+i.penetration.y*d)}c.wireframes?l.strokeStyle="rgba(255,165,0,0.5)":l.strokeStyle="orange",l.stroke()},o.grid=function(e,t,n){var o=n,r=e.options;r.wireframes?o.strokeStyle="rgba(255,180,0,0.1)":o.strokeStyle="rgba(255,180,0,0.5)",o.beginPath();for(var s=i.keys(t.buckets),a=0;a<s.length;a++){var l=s[a];if(!(t.buckets[l].length<2)){var c=l.split(/C|R/);o.rect(.5+parseInt(c[1],10)*t.bucketWidth,.5+parseInt(c[2],10)*t.bucketHeight,t.bucketWidth,t.bucketHeight);
}}o.lineWidth=1,o.stroke()},o.inspector=function(e,t){var n,o=(e.engine,e.selected),i=e.render,r=i.options;if(r.hasBounds){var 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 n=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},u=function(e){var t=e.getContext("2d"),n=window.devicePixelRatio||1,o=t.webkitBackingStorePixelRatio||t.mozBackingStorePixelRatio||t.msBackingStorePixelRatio||t.oBackingStorePixelRatio||t.backingStorePixelRatio||1;return n/o},p=function(e,t){var n=e.textures[t];return n?n:(n=e.textures[t]=new Image,n.src=t,n)},f=function(e,t){var n=t;/(jpg|gif|png)$/.test(t)&&(n="url("+t+")"),e.canvas.style.background=n,e.canvas.style.backgroundSize="contain",e.currentBackground=t}}()},{"../body/Composite":2,"../collision/Grid":6,"../core/Common":14,"../core/Events":16,"../core/Mouse":19,"../geometry/Bounds":26,"../geometry/Vector":28}],32:[function(e,t,n){var o={};t.exports=o;var i=e("../geometry/Bounds"),r=e("../body/Composite"),s=e("../core/Common"),a=e("../core/Events"),l=e("../geometry/Vector");
!function(){var e,t;"undefined"!=typeof window&&(e=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.msRequestAnimationFrame||function(e){window.setTimeout(function(){e(s.now())},1e3/60)},t=window.cancelAnimationFrame||window.mozCancelAnimationFrame||window.webkitCancelAnimationFrame||window.msCancelAnimationFrame),o.create=function(e){s.warn("RenderPixi.create: Matter.RenderPixi is deprecated (see docs)");var t={controller:o,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=s.extend(t,e),i=!n.options.wireframes&&"transparent"===n.options.background;return n.pixiOptions=n.pixiOptions||{
view:n.canvas,transparent:i,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}},a.on(n.engine,"beforeUpdate",function(){o.clear(n)}),n.textures={},n.sprites={},n.primitives={},n.container.addChild(n.spriteContainer),s.isElement(n.element)?n.element.appendChild(n.canvas):s.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},o.run=function(t){!function n(i){t.frameRequestId=e(n),o.world(t)}()},o.stop=function(e){t(e.frameRequestId)},o.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,o&&t.addChildAt(o,0),e.container.addChild(e.spriteContainer),e.currentBackground=null,t.scale.set(1,1),t.position.set(0,0)},o.setBackground=function(e,t){if(e.currentBackground!==t){var n=t.indexOf&&t.indexOf("#")!==-1,o=e.sprites["bg-0"];if(n){var i=s.colorToNumber(t);e.renderer.backgroundColor=i,o&&e.container.removeChild(o)}else if(!o){var r=d(e,t);o=e.sprites["bg-0"]=new PIXI.Sprite(r),o.position.x=0,o.position.y=0,e.container.addChildAt(o,0)}e.currentBackground=t}},o.world=function(e){var t,n=e.engine,s=n.world,a=e.renderer,c=e.container,d=e.options,u=r.allBodies(s),p=r.allConstraints(s),f=[];d.wireframes?o.setBackground(e,d.wireframeBackground):o.setBackground(e,d.background);var m=e.bounds.max.x-e.bounds.min.x,v=e.bounds.max.y-e.bounds.min.y,y=m/e.options.width,g=v/e.options.height;if(d.hasBounds){for(t=0;t<u.length;t++){var x=u[t];x.render.sprite.visible=i.overlaps(x.bounds,e.bounds)}for(t=0;t<p.length;t++){
var h=p[t],b=h.bodyA,w=h.bodyB,S=h.pointA,C=h.pointB;b&&(S=l.add(b.position,h.pointA)),w&&(C=l.add(w.position,h.pointB)),S&&C&&(i.contains(e.bounds,S)||i.contains(e.bounds,C))&&f.push(h)}c.scale.set(1/y,1/g),c.position.set(-e.bounds.min.x*(1/y),-e.bounds.min.y*(1/g))}else f=p;for(t=0;t<u.length;t++)o.body(e,u[t]);for(t=0;t<f.length;t++)o.constraint(e,f[t]);a.render(c)},o.constraint=function(e,t){var n=(e.engine,t.bodyA),o=t.bodyB,i=t.pointA,r=t.pointB,a=e.container,l=t.render,c="c-"+t.id,d=e.primitives[c];return d||(d=e.primitives[c]=new PIXI.Graphics),l.visible&&t.pointA&&t.pointB?(s.indexOf(a.children,d)===-1&&a.addChild(d),d.clear(),d.beginFill(0,0),d.lineStyle(l.lineWidth,s.colorToNumber(l.strokeStyle),1),n?d.moveTo(n.position.x+i.x,n.position.y+i.y):d.moveTo(i.x,i.y),o?d.lineTo(o.position.x+r.x,o.position.y+r.y):d.lineTo(r.x,r.y),void d.endFill()):void d.clear()},o.body=function(e,t){var o=(e.engine,t.render);if(o.visible)if(o.sprite&&o.sprite.texture){var i="b-"+t.id,r=e.sprites[i],a=e.spriteContainer;
r||(r=e.sprites[i]=n(e,t)),s.indexOf(a.children,r)===-1&&a.addChild(r),r.position.x=t.position.x,r.position.y=t.position.y,r.rotation=t.angle,r.scale.x=o.sprite.xScale||1,r.scale.y=o.sprite.yScale||1}else{var l="b-"+t.id,d=e.primitives[l],u=e.container;d||(d=e.primitives[l]=c(e,t),d.initialAngle=t.angle),s.indexOf(u.children,d)===-1&&u.addChild(d),d.position.x=t.position.x,d.position.y=t.position.y,d.rotation=t.angle-d.initialAngle}};var n=function(e,t){var n=t.render,o=n.sprite.texture,i=d(e,o),r=new PIXI.Sprite(i);return r.anchor.x=t.render.sprite.xOffset,r.anchor.y=t.render.sprite.yOffset,r},c=function(e,t){var n,o=t.render,i=e.options,r=new PIXI.Graphics,a=s.colorToNumber(o.fillStyle),l=s.colorToNumber(o.strokeStyle),c=s.colorToNumber(o.strokeStyle),d=s.colorToNumber("#bbb"),u=s.colorToNumber("#CD5C5C");r.clear();for(var p=t.parts.length>1?1:0;p<t.parts.length;p++){n=t.parts[p],i.wireframes?(r.beginFill(0,0),r.lineStyle(1,d,1)):(r.beginFill(a,1),r.lineStyle(o.lineWidth,l,1)),r.moveTo(n.vertices[0].x-t.position.x,n.vertices[0].y-t.position.y);
for(var f=1;f<n.vertices.length;f++)r.lineTo(n.vertices[f].x-t.position.x,n.vertices[f].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,u,1):r.lineStyle(1,c),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},d=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)});
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