var LeapCursor=function(options){this.initialize(options||{});};LeapCursor.prototype={canvas:null,controller:null,trainer:null,trainerEnabled:false,evtController:null,highlightedElm:null,target:window,width:110,height:110,top:null,left:null,defaultHandPosition:false,gestureColor:"#88CFEB",color:"#000000",yOffset:-160,palms:null,fingers:null,renderer:null,material:null,recordingMaterial:null,palmGeometry:null,fingerGeometry:null,shadowPlane:null,camera:null,light:null,scene:null,lastFrame:null,speed:[0,0,0],dampening:0.95,scrollSpeed:0.1,initialize:function(options){for(var optionName in options){if(options.hasOwnProperty(optionName)){this[optionName]=options[optionName];}}if(options.controller){this.trainerEnabled=options.controller.controller!=null;}else{this.trainerEnabled=typeof LeapTrainer=="object";this.controller=this.trainerEnabled?new LeapTrainer.Controller({pauseOnWindowBlur:false}):new Leap.Controller();}this.evtController=(this.trainerEnabled?this.controller.controller:this.controller);this.evtController.on("connect",function(){this.createCursor(options);}.bind(this));if(!this.trainerEnabled){this.controller.connect();}else{this.trainer=this.controller;this.initDefaultGestures();}},initDefaultGestures:function(){this.trainer.fromJSON('{"name":"TAP","data":[[{"x":0.03185018841689369,"y":-0.2955364919879749,"z":0.30395151229974915,"stroke":1},{"x":0.007577409512100508,"y":-0.143194645412326,"z":0.19583884160435477,"stroke":1},{"x":-0.01669536939269267,"y":0.009147201163322904,"z":0.08772617090896045,"stroke":1},{"x":-0.04096814829748574,"y":0.16148904773897182,"z":-0.020386499786433865,"stroke":1},{"x":-0.06524092720227892,"y":0.31383089431462075,"z":-0.12849917048182818,"stroke":1},{"x":0.07782081571377697,"y":0.22476552136320582,"z":-0.1333397144261559,"stroke":1},{"x":0.23307373058642433,"y":0.11811240326038724,"z":-0.13065635809070106,"stroke":1},{"x":0.3883266454590718,"y":0.011459285157568666,"z":-0.1279730017552462,"stroke":1},{"x":0.4352681776798024,"y":-0.0009652123270492141,"z":-0.12706884891425413,"stroke":1},{"x":0.3081486887178203,"y":0.13803971088137734,"z":-0.12902395213255644,"stroke":1},{"x":0.17468263510031368,"y":0.17148676740131702,"z":-0.10384411619161024,"stroke":1},{"x":0.03273981198368481,"y":0.06394578498928477,"z":-0.04242158249047845,"stroke":1},{"x":-0.10920301113294412,"y":-0.04359519742274748,"z":0.019500951210653316,"stroke":1},{"x":-0.25114583424957293,"y":-0.15113617983477973,"z":0.08042348491178514,"stroke":1},{"x":-0.39308865736620174,"y":-0.2586771622468122,"z":0.1418460186129169,"stroke":1},{"x":-0.3676876892078774,"y":-0.2980322196198223,"z":0.18794861619097114,"stroke":1},{"x":-0.1837044150586537,"y":-0.2727713079961436,"z":0.2195333713111643,"stroke":1},{"x":0.0002788590905699051,"y":-0.24751039637246458,"z":0.25111812643135767,"stroke":1},{"x":-0.010260994114239419,"y":-0.09918735642352758,"z":0.15251566678561213,"stroke":1},{"x":-0.030960057779212846,"y":0.05556275509441916,"z":0.0471140191357452,"stroke":1},{"x":-0.05165912144418616,"y":0.21031286661236592,"z":-0.0582876285141217,"stroke":1},{"x":-0.025351960830330755,"y":0.2967565986430546,"z":-0.13573927637868743,"stroke":1},{"x":0.13185969510169626,"y":0.1929784553588551,"z":-0.1353548361044802,"stroke":1},{"x":0.28907135103372306,"y":0.08920031207465556,"z":-0.13497039583027298,"stroke":1},{"x":-0.5647318223201976,"y":-0.24648143440976086,"z":-0.2794513983064423,"stroke":1}]]}');this.trainer.on("TAP",function(){this.fire("click");}.bind(this));},createCursor:function(){if(this.canvas==null){this.canvas=document.createElement("div");this.canvas.style.position="fixed";this.canvas.style.width=this.width "px";this.canvas.style.height=this.height "px";this.canvas.style.zIndex=999999999;document.body.appendChild(this.canvas);}this.renderer=Detector.webgl?new THREE.WebGLRenderer({antialias:true}):new THREE.CanvasRenderer();this.renderer.setSize(this.width,this.height);this.renderer.shadowMapEnabled=true;this.material=new THREE.MeshBasicMaterial({color:this.color});this.recordingMaterial=new THREE.MeshBasicMaterial({color:this.gestureColor});this.palmGeometry=new THREE.CubeGeometry(60,10,60);this.fingerGeometry=Detector.webgl?new THREE.SphereGeometry(5,20,10):new THREE.TorusGeometry(1,5,5,5);this.scene=new THREE.Scene();this.light=new THREE.SpotLight();this.light.castShadow=true;this.scene.add(this.light);this.camera=new THREE.PerspectiveCamera(45,1,1,3000);this.canvas.appendChild(this.renderer.domElement);this.palms=[this.createPalm(),this.createPalm()];this.palms[1].visible=false;this.scene.add(this.palms[0]);this.scene.add(this.palms[1]);var finger;this.fingers=[];for(var j=0;j<10;j ){finger=this.createFinger();finger.visible=j<5;this.scene.add(finger);this.fingers.push(finger);}this.createShadowPlane();this.setDefaultPosition();if(window.addEventListener){window.addEventListener("resize",this.setDefaultPosition.bind(this),false);}else{if(elem.attachEvent){window.attachEvent("onResize",this.setDefaultPosition.bind(this));}}if(this.trainerEnabled){this.controller.on("started-recording",function(){this.setHandMaterial(this.recordingMaterial);}.bind(this)).on("stopped-recording",function(){this.setHandMaterial(this.material);}.bind(this));}window.requestAnimFrame=(function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||function(callback){window.setTimeout(callback,1000/60);};})();requestAnimFrame(this.updateRender.bind(this));var hand,palm,handFingers,handFingerCount,finger,handCount,elm;var clock=new THREE.Clock();clock.previousTime=1000000;this.evtController.on("frame",function(frame){if(clock.previousTime===1000000){this.scroll(frame);handCount=frame.hands.length;if(handCount>0){hand=frame.hands[0];var top=(-hand.stabilizedPalmPosition[1]*3) (window.innerHeight);var left=(hand.stabilizedPalmPosition[0]*3) (window.innerWidth/2);this.canvas.style.top=top "px";this.canvas.style.left=left "px";this.canvas.style.display="none";elm=document.elementFromPoint(left,top 20);this.canvas.style.display="block";if(elm!=this.highlightedElm){this.fire("mouseleave");this.highlightedElm=elm;this.fire("mouseenter");}}else{if(!this.defaultHandPosition){this.setDefaultPosition();}return;}for(var i=0;i<1;i ){palm=this.palms[i];if(i>=handCount){if(!this.defaultHandPosition){palm.visible=false;for(var j=0,k=5,p;j<k;j ){p=(i*5) j;this.fingers[p].visible=false;}}}else{this.defaultHandPosition=false;hand=frame.hands[i];this.positionPalm(hand,palm);palm.visible=true;handFingers=hand.fingers;handFingerCount=handFingers.length;for(var j=0,k=5;j<k;j ){finger=this.fingers[(i*5) j];if(j>=handFingerCount){finger.visible=false;}else{this.positionFinger(handFingers[j],finger,palm);finger.visible=true;}}}}}}.bind(this));},updateRender:function(){this.renderer.render(this.scene,this.camera);requestAnimFrame(this.updateRender.bind(this));},createPalm:function(){var palm=new THREE.Mesh(this.palmGeometry,this.material);palm.castShadow=true;palm.receiveShadow=true;return palm;},createFinger:function(){var finger=new THREE.Mesh(this.fingerGeometry,this.material);finger.castShadow=true;finger.receiveShadow=true;return finger;},createShadowPlane:function(){var planeFragmentShader=["uniform vec3 diffuse;","uniform float opacity;",THREE.ShaderChunk["color_pars_fragment"],THREE.ShaderChunk["map_pars_fragment"],THREE.ShaderChunk["lightmap_pars_fragment"],THREE.ShaderChunk["envmap_pars_fragment"],THREE.ShaderChunk["fog_pars_fragment"],THREE.ShaderChunk["shadowmap_pars_fragment"],THREE.ShaderChunk["specularmap_pars_fragment"],"void main() {","gl_FragColor = vec4( 1.0, 1.0, 1.0, 1.0 );",THREE.ShaderChunk["map_fragment"],THREE.ShaderChunk["alphatest_fragment"],THREE.ShaderChunk["specularmap_fragment"],THREE.ShaderChunk["lightmap_fragment"],THREE.ShaderChunk["color_fragment"],THREE.ShaderChunk["envmap_fragment"],THREE.ShaderChunk["shadowmap_fragment"],THREE.ShaderChunk["linear_to_gamma_fragment"],THREE.ShaderChunk["fog_fragment"],"gl_FragColor = vec4( 0.0, 0.0, 0.0, min(0.1, 1.0 - shadowColor.x) );","}"].join("\n");var planeMaterial=new THREE.ShaderMaterial({uniforms:THREE.ShaderLib["basic"].uniforms,vertexShader:THREE.ShaderLib["basic"].vertexShader,fragmentShader:planeFragmentShader,color:255});this.shadowPlane=new THREE.Mesh(new THREE.PlaneGeometry(this.width*4,this.height*4,50),planeMaterial);this.shadowPlane.receiveShadow=true;this.scene.add(this.shadowPlane);},setDefaultPosition:function(){this.canvas.style.top=((this.top)?this.top:window.innerHeight-this.height-20) "px";this.canvas.style.left=((this.left)?this.left:window.innerWidth-this.width-20) "px";if(this.defaultHandPosition){return;}this.defaultHandPosition=true;this.camera.position.set(0,0,350);this.shadowPlane.position.set(0,0,-25);this.light.position.set(0,0,650);this.light.lookAt(this.shadowPlane);this.palms[0].position.set(25.62994,-37.67400000000001,96.368);this.palms[0].rotation.set(-1.9921488149553126,0.051271951412566935,-2.6597446090413466);this.fingers[0].position.set(64.179,24.22,28.7022);this.fingers[0].rotation.set(-2.677879785829599,0.02183472660404244,3.133282166633954);this.fingers[0].scale.z=8;this.fingers[0].visible=true;this.fingers[1].position.set(83.8033,-15.913000000000011,32.6661);this.fingers[1].rotation.set(-2.6753644328170965,0.22532863370921782,3.056111568660471);this.fingers[1].scale.z=5;this.fingers[1].visible=true;this.fingers[2].position.set(34.69965,49.19499999999999,31.643);this.fingers[2].rotation.set(-2.500622653205929,0.033504548426940645,3.121471314695975);this.fingers[2].scale.z=9;this.fingers[2].visible=true;this.fingers[3].position.set(8.7075,50.976,50.363);this.fingers[3].rotation.set(-2.443443897235925,0.04106473211751575,3.113625377842598);this.fingers[3].scale.z=8;this.fingers[3].visible=true;this.fingers[4].position.set(-40.6532,-33.772999999999996,84.7031);this.fingers[4].rotation.set(-2.489002343898949,-0.4631619960981157,-2.872745378807403);this.fingers[4].scale.z=6;this.fingers[4].visible=true;},setHandMaterial:function(m){this.palms[0].material=m;this.palms[1].material=m;for(var i=0,l=this.fingers.length;i<l;i ){this.fingers[i].material=m;}},positionPalm:function(hand,palm){var position=hand.stabilizedPalmPosition;palm.position.set(position[0],position[1] this.yOffset,palm.position.z);this.camera.position.x=this.shadowPlane.position.x=palm.position.x;this.camera.position.y=this.shadowPlane.position.y=palm.position.y;this.light.position.x=position[0];this.light.position.y=position[1];var direction=hand.direction;palm.lookAt(new THREE.Vector3(direction[0],direction[1],direction[2]).add(palm.position));var normal=hand.palmNormal;palm.rotation.z=Math.atan2(normal[0],normal[1]);},positionFinger:function(handFinger,finger,palm){var position=handFinger.stabilizedTipPosition;finger.position.set(position[0],position[1] this.yOffset,position[2]);var direction=handFinger.direction;finger.lookAt(new THREE.Vector3(direction[0],direction[1],direction[2]).add(finger.position));finger.scale.z=0.1*handFinger.length;},scroll:function(frame){if(!this.lastFrame){this.lastFrame=frame;return;}var hands=frame.hands;if(hands.length==0){this.speed[0]*=this.dampening;this.speed[1]*=this.dampening;this.speed[2]*=this.dampening;this.lastFrame=null;}else{if(hands.length==1){var velocity=frame.translation(this.lastFrame);this.speed[0]=this.scrollSpeed*velocity[0];this.speed[1]=this.scrollSpeed*velocity[1];this.speed[2]=this.scrollSpeed*velocity[2];}}if(Math.abs(this.speed[0] this.speed[1] this.speed[2])>3){var doc=document.documentElement,body=document.body;var left=(doc&&doc.scrollLeft||body&&body.scrollLeft||0);var top=(doc&&doc.scrollTop||body&&body.scrollTop||0);var target=this.target;if(target==window){top=(doc&&doc.scrollTop||body&&body.scrollTop||0);left=(doc&&doc.scrollLeft||body&&body.scrollLeft||0);}else{top=target.scrollTop||0;left=target.scrollLeft||0;}target.scrollTo(left this.speed[0],top-this.speed[1]);}},fire:function(evt){var elm=this.highlightedElm;if(!elm){return;}var event;if(document.createEvent){event=document.createEvent("HTMLEvents");event.initEvent(evt,true,true);}else{event=document.createEventObject();event.eventType=evt;}event.eventName=evt;if(event.initEvent){event.initEvent(event.type,true,true);}if(document.createEvent){elm.dispatchEvent(event);}else{elm.fireEvent("on" event.eventType,event);}}};function parseQuery(query){var parameters=new Object();if(!query){return parameters;}var pairs=query.split(/[;&]/);for(var i=0;i<pairs.length;i ){var KeyVal=pairs[i].split("=");if(!KeyVal||KeyVal.length!=2){continue;}var key=unescape(KeyVal[0]);var val=unescape(KeyVal[1]);val=val.replace(/\ /g," ");parameters[key]=val;}return parameters;}var scripts=document.getElementsByTagName("script");var params=this.parseQuery(scripts[scripts.length-1].src.replace(/^[^\?] \??/,""));if(window.addEventListener){window.addEventListener("load",function(){window.leapCursor=new LeapCursor(params);},false);}else{if(elem.attachEvent){window.attachEvent("onLoad",function(){window.leapCursor=new LeapCursor(params);});}}