var MX=MX||function(undefined){var MX={prefix:undefined,rotationUnit:"rad"};var floatPrecision=5;var transformProp,transitionProp,transformOriginProp,transformStyleProp,perspectiveProp;var positionAtCenter=true,centeringCSS;document.addEventListener("DOMContentLoaded",setup);function setup(){var s=document.body.style;MX.prefix="webkitTransform"in s?"webkit":"mozTransform"in s?"moz":"msTransform"in s?"ms":"";transformProp=MX.transformProp=addPrefix("transform");transitionProp=MX.transitionProp=addPrefix("transition");transformOriginProp=MX.transformOriginProp=addPrefix("transformOrigin");transformStyleProp=MX.transformStyleProp=addPrefix("transformStyle");perspectiveProp=MX.perspectiveProp=addPrefix("perspective");var vendors=["webkit","moz","ms"];for(var x=0;x<vendors.length&&!window.requestAnimationFrame;++x){window.requestAnimationFrame=window[vendors[x]+"RequestAnimationFrame"];window.cancelAnimationFrame=window[vendors[x]+"CancelAnimationFrame"]||window[vendors[x]+"CancelRequestAnimationFrame"]}centeringCSS=document.createElement("style");centeringCSS.type="text/css";centeringCSS.innerHTML=".mx-object3d {"+"position: absolute;"+"top: 50%;"+"left: 50%;}";injectCenteringCSS()}function injectCenteringCSS(){document.head.appendChild(centeringCSS)}function removeCenteringCSS(){document.head.removeChild(centeringCSS)}function toDeg(rad){return rad/Math.PI*180}function toRad(deg){return deg/180*Math.PI}function buildRotationTranslation(obj){var origin=obj.rotationOrigin;if(!origin){return}else{var dx=origin.x-obj.x,dy=-(origin.y-obj.y),dz=-(origin.z-obj.z);return{before:"translate3d("+dx+"px,"+dy+"px,"+dz+"px) ",after:"translate3d("+-dx+"px,"+-dy+"px,"+-dz+"px) "}}}function addPrefix(string){if(MX.prefix){string=MX.prefix+string.charAt(0).toUpperCase()+string.slice(1)}return string}function Object3D(el){this.setupDomElement(el);this.setCSSTransformStyle("preserve-3d");this.el.classList.add("mx-object3d");this.parent=undefined;this.children=[];this.updateChildren=true;this.inverseLookAt=false;this.reset();var width,height,self=this;Object.defineProperty(this,"width",{get:function(){return width||parseInt(self.el.style.width,10)||0},set:function(val){width=val;this.el.style.width=width+"px"}});Object.defineProperty(this,"height",{get:function(){return height||parseInt(self.el.style.height,10)||0},set:function(val){height=val;this.el.style.height=height+"px"}})}Object3D.prototype={constructor:Object3D,reset:function(){this.x=this.__x=0;this.y=this.__y=0;this.z=this.__z=0;this.rotationX=this.__rotationX=0;this.rotationY=this.__rotationY=0;this.rotationZ=this.__rotationZ=0;this.scaleX=this.__scaleX=1;this.scaleY=this.__scaleY=1;this.scaleZ=this.__scaleZ=1;this.scale=this.__scale=1;this.rotationOrigin=undefined;this.followTarget=undefined;this.dirty=true;this.update()},setupDomElement:function(el){this.el=undefined;if(el instanceof HTMLElement){this.el=el}else if(typeof el==="string"){var tag=el.match(/^[^.#\s]*/)[1],id=el.match(/#[^.#\s]*/),classes=el.match(/\.[^.#\s]*/g);this.el=document.createElement(tag||"div");if(id){this.el.id=id[0].slice(1)}if(classes){var i=classes.length;while(i--){this.el.classList.add(classes[i].slice(1))}}}else{this.el=document.createElement("div")}},update:function(){if(this.updateChildren){var i=this.children.length;while(i--){this.children[i].update()}}if(this.followTarget){this.lookAt(this.followTarget,false)}if(this.scaleX!==this.__scaleX||this.scaleY!==this.__scaleY||this.scaleZ!==this.__scaleZ){this.__scaleX=this.scaleX;this.__scaleY=this.scaleY;this.__scaleZ=this.scaleZ;this.dirty=true}if(this.scale!==this.__scale){this.scaleX=this.scaleY=this.scaleZ=this.__scaleX=this.__scaleY=this.__scaleZ=this.__scale=this.scale;this.dirty=true}if(this.rotationX!==this.__rotationX||this.rotationY!==this.__rotationY||this.rotationZ!==this.__rotationZ){this.__rotationX=this.rotationX;this.__rotationY=this.rotationY;this.__rotationZ=this.rotationZ;this.dirty=true}if(this.x!==this.__x||this.y!==this.__y||this.z!==this.__z){this.__x=this.x;this.__y=this.y;this.__z=this.z;this.dirty=true}if(this.dirty&&this.el){var rotationTranslation=buildRotationTranslation(this),rotation="rotateX("+this.rotationX.toFixed(floatPrecision)+MX.rotationUnit+") "+"rotateY("+this.rotationY.toFixed(floatPrecision)+MX.rotationUnit+") "+"rotateZ("+this.rotationZ.toFixed(floatPrecision)+MX.rotationUnit+") ";var transformString=(MX.positionAtCenter?"translate3d(-50%, -50%, 0) ":"")+"translate3d("+this.x.toFixed(floatPrecision)+"px,"+(-this.y).toFixed(floatPrecision)+"px,"+(-this.z).toFixed(floatPrecision)+"px) "+"scale3d("+this.scaleX.toFixed(floatPrecision)+","+this.scaleY.toFixed(floatPrecision)+","+this.scaleZ.toFixed(floatPrecision)+") ";if(rotationTranslation){transformString+=rotationTranslation.before+rotation+rotationTranslation.after}else{transformString+=rotation}this.el.style[transformProp]=transformString;this.dirty=false}return this},lookAt:function(target,update){var r=this.getLookAtEuler(target);this.setRotation(r);if(update!==false)this.update();return this},getLookAtEuler:function(target){var r={},dx=target.x-this.x,dy=target.y-this.y,dz=target.z-this.z;if(this.inverseLookAt){dx=-dx;dy=-dy;dz=-dz}if(dz===0)dz=.001;r.x=-Math.atan2(dy,dz);var flip=dz>0?1:-1;r.y=flip*Math.atan2(dx*Math.cos(r.x),dz*-flip);r.z=Math.atan2(Math.cos(r.x),Math.sin(r.x)*Math.sin(r.y))-Math.PI/2;if(MX.rotationUnit==="deg"){r.x=toDeg(r.x);r.y=toDeg(r.y);r.z=toDeg(r.z)}return r},add:function(){if(!this.el)return;var parent=this;Array.prototype.forEach.call(arguments,function(child){if(!child instanceof Object3D)return;parent.el.appendChild(child.el);if(!parent.children)parent.children=[];parent.children.push(child);child.parent=parent});return this},remove:function(){var parent=this;Array.prototype.forEach.call(arguments,function(child){var index=parent.children.indexOf(child);if(index!==-1){parent.children.splice(index,1);child.parent=undefined}});return this},addTo:function(target){if(typeof target==="string"){target=document.querySelector(target)}if(target instanceof HTMLElement&&target.appendChild){target.appendChild(this.el)}else if(target instanceof Object3D||target instanceof Scene){target.add(this)}return this},removeElement:function(){if(this.el.parentNode){this.el.parentNode.removeChild(this.el)}},setPosition:function(tar){this.x=tar.x||tar.x===0?tar.x:this.x;this.y=tar.y||tar.y===0?tar.y:this.y;this.z=tar.z||tar.z===0?tar.z:this.z},setRotation:function(tar){this.rotationX=tar.x||tar.x===0?tar.x:this.rotationX;this.rotationY=tar.y||tar.y===0?tar.y:this.rotationY;this.rotationZ=tar.z||tar.z===0?tar.z:this.rotationZ},setScale:function(tar){this.scaleX=tar.x||tar.x===0?tar.x:this.scaleX;this.scaleY=tar.y||tar.y===0?tar.y:this.scaleY;this.scaleZ=tar.z||tar.z===0?tar.z:this.scaleZ},setCSSTransformOrigin:function(origin){this.el&&(this.el.style[transformOriginProp]=addPrefix(origin));return this},setCSSTransformStyle:function(style){this.el&&(this.el.style[transformStyleProp]=addPrefix(style));return this},setCSSTransition:function(trans){this.el&&(this.el.style[transitionProp]=addPrefix(trans));return this},setCSSPerspective:function(pers){this.el&&(this.el.style[perspectiveProp]=addPrefix(pers));return this}};Object3D.extend=extend.bind(Object3D);function extend(props){var Super=this;var ExtendedObject3D=function(){Super.call(this);props.init&&props.init.apply(this,arguments)};ExtendedObject3D.prototype=Object.create(Super.prototype);for(var prop in props){if(props.hasOwnProperty(prop)&&prop!=="init"){ExtendedObject3D.prototype[prop]=props[prop]}}ExtendedObject3D.extend=extend.bind(ExtendedObject3D);return ExtendedObject3D}MX.Object3D=Object3D;MX.toRad=toRad;MX.toDeg=toDeg;Object.defineProperty(MX,"positionAtCenter",{get:function(){return positionAtCenter},set:function(val){if(typeof val!=="boolean")return;positionAtCenter=val;if(positionAtCenter){injectCenteringCSS()}else{removeCenteringCSS()}}});return MX}();