quadtree2/quadtree2.min.js

JavaScript implementation of quadtree datastructure for collision detection.

/**
 * @license
 * quadtree2 - v0.6.0
 * Copyright (c) 2013-2014 p1100i
 * https://github.com/p1100i/quadtree2.js
 *
 * Compiled: 2015-08-31
 *
 * quadtree2 is licensed under the MIT License.
 * http://www.opensource.org/licenses/mit-license.php
 */
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a-b},arrayDiffs:function(a,b){var c=0,d=0,e=[],f=[];for(a.sort(this.compare),b.sort(this.compare);c<a.length&&d<b.length;)a[c]!==b[d]?a[c]<b[d]?(e.push(a[c]),c++):(f.push(b[d]),d++):(c++,d++);return c<a.length?e.push.apply(e,a.slice(c,a.length)):f.push.apply(f,b.slice(d,b.length)),[e,f]}};b.exports=d},{}],5:[function(a,b,c){var d;a("vec2"),d=function(a){var b,c,d,e,f,g,h="",i=function(a){return a?Object.keys(g[a[d]]).length:1+c.getChildCount(!0)},j=function(){return Object.keys(f).length},k=function(a,b){return b?b*a:a},l=function(a,b){return"new Vec2("+k(a.x,b)+", "+k(a.y,b)+")"},m=function(a,b){var c="",d=l(a.pos,b);return c+="o = {\n  pos : "+d+",\n  rad : "+k(a.rad,b)+" \n};\n\n",c+="qt.addObject(o);\n",c+="os[o.id] = o;\n\n"},n=function(a){return"qt.removeObjectById("+a.id+");\n\n"},o=function(a,b){var c="";return c+="o = os["+a.id+"];\n",c+="o.pos.x = "+b.x+";\n",c+="o.pos.y = "+b.y+";\n\n"},p=function(a){return"qt.updateObjectById("+a.id+");\n\n"},q=function(a){var b="os = {};\n\n",c=l(e.size,a);return b+="qt = new Quadtree2({\n  size         : "+c+",\n  objectLimit  : "+e.objectLimit+",\n  levelLimit   : "+e.levelLimit+" \n});\n\n"},r=function(a){var b,c,d=q(a);for(b in f)c=f[b],d+=m(c,a);return d},s=function(a){h+=a},t=function(){return q()+h},u=function(a,c){var d=b[a];b[a]=function(a){s(c(a)),d(a)}},v=function(a){b=a.qt,c=a.root,d=a.idKey,e=a.config,f=a.objects,g=a.objectQuadrants,u("addObject",m),u("removeObject",n),u("updateObject",p)};v(a),this.data=a,this.addLog=s,this.getLog=t,this.getObjectCount=j,this.getQuadrantCount=i,this.getRebuildingCommand=r,this.stringifyVec2ConstructorCall=l,this.stringifyAddObjectCall=m,this.stringifyMoveObjectCall=o,this.stringifyUpdateObjectCall=p,this.stringifyConstructorCall=q},b.exports=d},{vec2:2}],6:[function(a,b,c){var d=function(a,b,c,d){this.leftTop_=a.clone(),this.children_=[],this.objects_={},this.objectCount_=0,this.id_=c||0,this.parent_=d,this.refactoring_=!1,this.setSize(b)};d.prototype={setSize:function(a){a&&(this.size_=a,this.rad_=a.multiply(.5,!0),this.center_=this.leftTop_.add(this.rad_,!0),this.leftBot_=this.leftTop_.clone(),this.leftBot_.y+=a.y,this.rightTop_=this.leftTop_.clone(),this.rightTop_.x+=a.x,this.rightBot_=this.leftTop_.add(a,!0),this.leftMid_=this.center_.clone(),this.leftMid_.x=this.leftTop_.x,this.topMid_=this.center_.clone(),this.topMid_.y=this.leftTop_.y)},makeChildren:function(a){return this.children_.length>0?!1:(this.children_.push(new d(this.leftTop_,this.rad_,++a,this),new d(this.topMid_,this.rad_,++a,this),new d(this.leftMid_,this.rad_,++a,this),new d(this.center_,this.rad_,++a,this)),a)},looseChildren:function(){this.children_=[]},addObjects:function(a){var b;for(b in a)this.addObject(b,a[b])},addObject:function(a,b){this.objectCount_++,this.objects_[a]=b},removeObjects:function(a,b){var c;a||(a=[]);for(c in this.objects_)a.push({object:this.objects_[c],quadrant:this}),delete this.objects_[c];return this.objectCount_=0,b&&1!==b||this.parent_&&this.parent_.removeObjects(a,1),b&&-1!==b||this.children_.forEach(function(b){b.removeObjects(a,-1)}),a},removeObject:function(a){var b=this.objects_[a];return this.objectCount_--,delete this.objects_[a],b},getObjectCountForLimit:function(){var a,b,c={};for(b in this.objects_)c[b]=!0;for(a=0;a<this.children_.length;a++)for(b in this.children_[a].objects_)c[b]=!0;return Object.keys(c).length},getObjectCount:function(a,b){var c=this.objectCount_;return a&&this.children_.forEach(function(d){c+=d.getObjectCount(!b&&a)}),c},intersectingChildren:function(a,b){return this.children_.filter(function(c){return c.intersects(a,b)})},intersects:function(a,b){var c=a.subtract(this.center_,!0).abs();return c.x>this.rad_.x+b?!1:c.y>this.rad_.y+b?!1:c.x<=this.rad_.x?!0:c.y<=this.rad_.y?!0:(cornerDistSq=Math.pow(c.x-this.rad_.x,2)+Math.pow(c.y-this.rad_.y,2),cornerDistSq<=Math.pow(b,2))},hasChildren:function(){return 0!==this.getChildCount()},getChildCount:function(a){var b=this.children_.length;return a&&this.children_.forEach(function(c){b+=c.getChildCount(a)}),b},getChildren:function(a,b){return b||(b=[]),b.push.apply(b,this.children_),a&&this.children_.forEach(function(c){c.getChildren(a,b)}),b},getObjectsUp:function(a){var b;if(!a.quadrants[this.id_]){a.quadrants[this.id_]=!0;for(b in this.objects_)a.objects[b]=this.objects_[b];this.parent_&&this.parent_.getObjectsUp(a)}},getObjectsDown:function(a){var b;if(!a.quadrants[this.id_]){a.quadrants[this.id_]=!0;for(b in this.objects_)a.objects[b]=this.objects_[b];for(b=0;b<this.children_.length;b++)this.children_[b].getObjectsDown(a);return a}}},b.exports=d},{}],7:[function(a,b,c){var d=(a("vec2"),a("./quadtree2helper")),e=function(){};e.prototype={isNumber:function(a,b){"number"!=typeof a&&d.thrower("NaN","Not a Number",b)},isString:function(a,b){"string"==typeof a||a instanceof String||d.thrower("NaS","Not a String",b)},isVec2:function(a,b){var c=!1;c="object"!=typeof a||void 0===a.x||void 0===a.y,c&&d.thrower("NaV","Not a Vec2",b)},isDefined:function(a,b){void 0===a&&d.thrower("ND","Not defined",b)},isObject:function(a,b){"object"!=typeof a&&d.thrower("NaO","Not an Object",b)},hasKey:function(a,b,c){this.isDefined(a,"obj"),-1===Object.keys(a).indexOf(b.toString())&&d.thrower("OhnK","Object has no key",c+b)},hasNoKey:function(a,b,c){this.isDefined(a,"obj"),-1!==Object.keys(a).indexOf(b.toString())&&d.thrower("OhK","Object has key",c+b)},fnFalse:function(a){a()&&d.thrower("FarT","function already returns true",d.fnName(a))},byCallbackObject:function(a,b,c){var d;for(d in b)void 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