THREE.OrbitControls=function(object,domElement){this.object=object;this.domElement=(domElement!==undefined)?domElement:document;this.enabled=true;this.target=new THREE.Vector3();this.minDistance=0;this.maxDistance=Infinity;this.minZoom=0;this.maxZoom=Infinity;this.minPolarAngle=0;this.maxPolarAngle=Math.PI;this.minAzimuthAngle=-Infinity;this.maxAzimuthAngle=Infinity;this.enableDamping=false;this.dampingFactor=0.25;this.enableZoom=true;this.zoomSpeed=1.0;this.enableRotate=true;this.rotateSpeed=1.0;this.enablePan=true;this.panSpeed=1.0;this.screenSpacePanning=false;this.keyPanSpeed=7.0;this.autoRotate=false;this.autoRotateSpeed=2.0;this.enableKeys=true;this.keys={LEFT:37,UP:38,RIGHT:39,BOTTOM:40};this.mouseButtons={LEFT:THREE.MOUSE.LEFT,MIDDLE:THREE.MOUSE.MIDDLE,RIGHT:THREE.MOUSE.RIGHT};this.target0=this.target.clone();this.position0=this.object.position.clone();this.zoom0=this.object.zoom;this.getPolarAngle=function(){return spherical.phi;};this.getAzimuthalAngle=function(){return spherical.theta;};this.saveState=function(){scope.target0.copy(scope.target);scope.position0.copy(scope.object.position);scope.zoom0=scope.object.zoom;};this.reset=function(){scope.target.copy(scope.target0);scope.object.position.copy(scope.position0);scope.object.zoom=scope.zoom0;scope.object.updateProjectionMatrix();scope.dispatchEvent(changeEvent);scope.update();state=STATE.NONE;};this.update=function(){var offset=new THREE.Vector3();var quat=new THREE.Quaternion().setFromUnitVectors(object.up,new THREE.Vector3(0,1,0));var quatInverse=quat.clone().inverse();var lastPosition=new THREE.Vector3();var lastQuaternion=new THREE.Quaternion();return function update(){var position=scope.object.position;offset.copy(position).sub(scope.target);offset.applyQuaternion(quat);spherical.setFromVector3(offset);if(scope.autoRotate&&state===STATE.NONE){rotateLeft(getAutoRotationAngle());}
spherical.theta+=sphericalDelta.theta;spherical.phi+=sphericalDelta.phi;spherical.theta=Math.max(scope.minAzimuthAngle,Math.min(scope.maxAzimuthAngle,spherical.theta));spherical.phi=Math.max(scope.minPolarAngle,Math.min(scope.maxPolarAngle,spherical.phi));spherical.makeSafe();spherical.radius*=scale;spherical.radius=Math.max(scope.minDistance,Math.min(scope.maxDistance,spherical.radius));scope.target.add(panOffset);offset.setFromSpherical(spherical);offset.applyQuaternion(quatInverse);position.copy(scope.target).add(offset);scope.object.lookAt(scope.target);if(scope.enableDamping===true){sphericalDelta.theta*=(1-scope.dampingFactor);sphericalDelta.phi*=(1-scope.dampingFactor);panOffset.multiplyScalar(1-scope.dampingFactor);}else{sphericalDelta.set(0,0,0);panOffset.set(0,0,0);}
scale=1;if(zoomChanged||lastPosition.distanceToSquared(scope.object.position)>EPS||8*(1-lastQuaternion.dot(scope.object.quaternion))>EPS){scope.dispatchEvent(changeEvent);lastPosition.copy(scope.object.position);lastQuaternion.copy(scope.object.quaternion);zoomChanged=false;return true;}
return false;};}();this.dispose=function(){scope.domElement.removeEventListener('contextmenu',onContextMenu,false);scope.domElement.removeEventListener('mousedown',onMouseDown,false);scope.domElement.removeEventListener('wheel',onMouseWheel,false);scope.domElement.removeEventListener('touchstart',onTouchStart,false);scope.domElement.removeEventListener('touchend',onTouchEnd,false);scope.domElement.removeEventListener('touchmove',onTouchMove,false);document.removeEventListener('mousemove',onMouseMove,false);document.removeEventListener('mouseup',onMouseUp,false);window.removeEventListener('keydown',onKeyDown,false);};var scope=this;var changeEvent={type:'change'};var startEvent={type:'start'};var endEvent={type:'end'};var STATE={NONE:-1,ROTATE:0,DOLLY:1,PAN:2,TOUCH_ROTATE:3,TOUCH_DOLLY_PAN:4};var state=STATE.NONE;var EPS=0.000001;var spherical=new THREE.Spherical();var sphericalDelta=new THREE.Spherical();var scale=1;var panOffset=new THREE.Vector3();var zoomChanged=false;var rotateStart=new THREE.Vector2();var rotateEnd=new THREE.Vector2();var rotateDelta=new THREE.Vector2();var panStart=new THREE.Vector2();var panEnd=new THREE.Vector2();var panDelta=new THREE.Vector2();var dollyStart=new THREE.Vector2();var dollyEnd=new THREE.Vector2();var dollyDelta=new THREE.Vector2();function getAutoRotationAngle(){return 2*Math.PI/60/60*scope.autoRotateSpeed;}
function getZoomScale(){return Math.pow(0.95,scope.zoomSpeed);}
function rotateLeft(angle){sphericalDelta.theta-=angle;}
function rotateUp(angle){sphericalDelta.phi-=angle;}
var panLeft=function(){var v=new THREE.Vector3();return function panLeft(distance,objectMatrix){v.setFromMatrixColumn(objectMatrix,0);v.multiplyScalar(-distance);panOffset.add(v);};}();var panUp=function(){var v=new THREE.Vector3();return function panUp(distance,objectMatrix){if(scope.screenSpacePanning===true){v.setFromMatrixColumn(objectMatrix,1);}else{v.setFromMatrixColumn(objectMatrix,0);v.crossVectors(scope.object.up,v);}
v.multiplyScalar(distance);panOffset.add(v);};}();var pan=function(){var offset=new THREE.Vector3();return function pan(deltaX,deltaY){var element=scope.domElement===document?scope.domElement.body:scope.domElement;if(scope.object.isPerspectiveCamera){var position=scope.object.position;offset.copy(position).sub(scope.target);var targetDistance=offset.length();targetDistance*=Math.tan((scope.object.fov/2)*Math.PI/180.0);panLeft(2*deltaX*targetDistance/element.clientHeight,scope.object.matrix);panUp(2*deltaY*targetDistance/element.clientHeight,scope.object.matrix);}else if(scope.object.isOrthographicCamera){panLeft(deltaX*(scope.object.right-scope.object.left)/scope.object.zoom/element.clientWidth,scope.object.matrix);panUp(deltaY*(scope.object.top-scope.object.bottom)/scope.object.zoom/element.clientHeight,scope.object.matrix);}else{console.warn('WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.');scope.enablePan=false;}};}();function dollyIn(dollyScale){if(scope.object.isPerspectiveCamera){scale/=dollyScale;}else if(scope.object.isOrthographicCamera){scope.object.zoom=Math.max(scope.minZoom,Math.min(scope.maxZoom,scope.object.zoom*dollyScale));scope.object.updateProjectionMatrix();zoomChanged=true;}else{console.warn('WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.');scope.enableZoom=false;}}
function dollyOut(dollyScale){if(scope.object.isPerspectiveCamera){scale*=dollyScale;}else if(scope.object.isOrthographicCamera){scope.object.zoom=Math.max(scope.minZoom,Math.min(scope.maxZoom,scope.object.zoom/dollyScale));scope.object.updateProjectionMatrix();zoomChanged=true;}else{console.warn('WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.');scope.enableZoom=false;}}
function handleMouseDownRotate(event){rotateStart.set(event.clientX,event.clientY);}
function handleMouseDownDolly(event){dollyStart.set(event.clientX,event.clientY);}
function handleMouseDownPan(event){panStart.set(event.clientX,event.clientY);}
function handleMouseMoveRotate(event){rotateEnd.set(event.clientX,event.clientY);rotateDelta.subVectors(rotateEnd,rotateStart).multiplyScalar(scope.rotateSpeed);var element=scope.domElement===document?scope.domElement.body:scope.domElement;rotateLeft(2*Math.PI*rotateDelta.x/element.clientHeight);rotateUp(2*Math.PI*rotateDelta.y/element.clientHeight);rotateStart.copy(rotateEnd);scope.update();}
function handleMouseMoveDolly(event){dollyEnd.set(event.clientX,event.clientY);dollyDelta.subVectors(dollyEnd,dollyStart);if(dollyDelta.y>0){dollyIn(getZoomScale());}else if(dollyDelta.y<0){dollyOut(getZoomScale());}
dollyStart.copy(dollyEnd);scope.update();}
function handleMouseMovePan(event){panEnd.set(event.clientX,event.clientY);panDelta.subVectors(panEnd,panStart).multiplyScalar(scope.panSpeed);pan(panDelta.x,panDelta.y);panStart.copy(panEnd);scope.update();}
function handleMouseUp(event){}
function handleMouseWheel(event){if(event.deltaY<0){dollyOut(getZoomScale());}else if(event.deltaY>0){dollyIn(getZoomScale());}
scope.update();}
function handleKeyDown(event){var needsUpdate=false;switch(event.keyCode){case scope.keys.UP:pan(0,scope.keyPanSpeed);needsUpdate=true;break;case scope.keys.BOTTOM:pan(0,-scope.keyPanSpeed);needsUpdate=true;break;case scope.keys.LEFT:pan(scope.keyPanSpeed,0);needsUpdate=true;break;case scope.keys.RIGHT:pan(-scope.keyPanSpeed,0);needsUpdate=true;break;}
if(needsUpdate){event.preventDefault();scope.update();}}
function handleTouchStartRotate(event){rotateStart.set(event.touches[0].pageX,event.touches[0].pageY);}
function handleTouchStartDollyPan(event){if(scope.enableZoom){var dx=event.touches[0].pageX-event.touches[1].pageX;var dy=event.touches[0].pageY-event.touches[1].pageY;var distance=Math.sqrt(dx*dx+dy*dy);dollyStart.set(0,distance);}
if(scope.enablePan){var x=0.5*(event.touches[0].pageX+event.touches[1].pageX);var y=0.5*(event.touches[0].pageY+event.touches[1].pageY);panStart.set(x,y);}}
function handleTouchMoveRotate(event){rotateEnd.set(event.touches[0].pageX,event.touches[0].pageY);rotateDelta.subVectors(rotateEnd,rotateStart).multiplyScalar(scope.rotateSpeed);var element=scope.domElement===document?scope.domElement.body:scope.domElement;rotateLeft(2*Math.PI*rotateDelta.x/element.clientHeight);rotateUp(2*Math.PI*rotateDelta.y/element.clientHeight);rotateStart.copy(rotateEnd);scope.update();}
function handleTouchMoveDollyPan(event){if(scope.enableZoom){var dx=event.touches[0].pageX-event.touches[1].pageX;var dy=event.touches[0].pageY-event.touches[1].pageY;var distance=Math.sqrt(dx*dx+dy*dy);dollyEnd.set(0,distance);dollyDelta.set(0,Math.pow(dollyEnd.y/dollyStart.y,scope.zoomSpeed));dollyIn(dollyDelta.y);dollyStart.copy(dollyEnd);}
if(scope.enablePan){var x=0.5*(event.touches[0].pageX+event.touches[1].pageX);var y=0.5*(event.touches[0].pageY+event.touches[1].pageY);panEnd.set(x,y);panDelta.subVectors(panEnd,panStart).multiplyScalar(scope.panSpeed);pan(panDelta.x,panDelta.y);panStart.copy(panEnd);}
scope.update();}
function handleTouchEnd(event){}
function onMouseDown(event){if(scope.enabled===false)return;event.preventDefault();scope.domElement.focus?scope.domElement.focus():window.focus();switch(event.button){case scope.mouseButtons.LEFT:if(event.ctrlKey||event.metaKey||event.shiftKey){if(scope.enablePan===false)return;handleMouseDownPan(event);state=STATE.PAN;}else{if(scope.enableRotate===false)return;handleMouseDownRotate(event);state=STATE.ROTATE;}
break;case scope.mouseButtons.MIDDLE:if(scope.enableZoom===false)return;handleMouseDownDolly(event);state=STATE.DOLLY;break;case scope.mouseButtons.RIGHT:if(scope.enablePan===false)return;handleMouseDownPan(event);state=STATE.PAN;break;}
if(state!==STATE.NONE){document.addEventListener('mousemove',onMouseMove,false);document.addEventListener('mouseup',onMouseUp,false);scope.dispatchEvent(startEvent);}}
function onMouseMove(event){if(scope.enabled===false)return;event.preventDefault();switch(state){case STATE.ROTATE:if(scope.enableRotate===false)return;handleMouseMoveRotate(event);break;case STATE.DOLLY:if(scope.enableZoom===false)return;handleMouseMoveDolly(event);break;case STATE.PAN:if(scope.enablePan===false)return;handleMouseMovePan(event);break;}}
function onMouseUp(event){if(scope.enabled===false)return;handleMouseUp(event);document.removeEventListener('mousemove',onMouseMove,false);document.removeEventListener('mouseup',onMouseUp,false);scope.dispatchEvent(endEvent);state=STATE.NONE;}
function onMouseWheel(event){if(scope.enabled===false||scope.enableZoom===false||(state!==STATE.NONE&&state!==STATE.ROTATE))return;event.preventDefault();event.stopPropagation();scope.dispatchEvent(startEvent);handleMouseWheel(event);scope.dispatchEvent(endEvent);}
function onKeyDown(event){if(scope.enabled===false||scope.enableKeys===false||scope.enablePan===false)return;handleKeyDown(event);}
function onTouchStart(event){if(scope.enabled===false)return;event.preventDefault();switch(event.touches.length){case 1:if(scope.enableRotate===false)return;handleTouchStartRotate(event);state=STATE.TOUCH_ROTATE;break;case 2:if(scope.enableZoom===false&&scope.enablePan===false)return;handleTouchStartDollyPan(event);state=STATE.TOUCH_DOLLY_PAN;break;default:state=STATE.NONE;}
if(state!==STATE.NONE){scope.dispatchEvent(startEvent);}}
function onTouchMove(event){if(scope.enabled===false)return;event.preventDefault();event.stopPropagation();switch(event.touches.length){case 1:if(scope.enableRotate===false)return;if(state!==STATE.TOUCH_ROTATE)return;handleTouchMoveRotate(event);break;case 2:if(scope.enableZoom===false&&scope.enablePan===false)return;if(state!==STATE.TOUCH_DOLLY_PAN)return;handleTouchMoveDollyPan(event);break;default:state=STATE.NONE;}}
function onTouchEnd(event){if(scope.enabled===false)return;handleTouchEnd(event);scope.dispatchEvent(endEvent);state=STATE.NONE;}
function onContextMenu(event){if(scope.enabled===false)return;event.preventDefault();}
scope.domElement.addEventListener('contextmenu',onContextMenu,false);scope.domElement.addEventListener('mousedown',onMouseDown,false);scope.domElement.addEventListener('wheel',onMouseWheel,false);scope.domElement.addEventListener('touchstart',onTouchStart,false);scope.domElement.addEventListener('touchend',onTouchEnd,false);scope.domElement.addEventListener('touchmove',onTouchMove,false);window.addEventListener('keydown',onKeyDown,false);this.update();};THREE.OrbitControls.prototype=Object.create(THREE.EventDispatcher.prototype);THREE.OrbitControls.prototype.constructor=THREE.OrbitControls;Object.defineProperties(THREE.OrbitControls.prototype,{center:{get:function(){console.warn('THREE.OrbitControls: .center has been renamed to .target');return this.target;}},noZoom:{get:function(){console.warn('THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.');return!this.enableZoom;},set:function(value){console.warn('THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.');this.enableZoom=!value;}},noRotate:{get:function(){console.warn('THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.');return!this.enableRotate;},set:function(value){console.warn('THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.');this.enableRotate=!value;}},noPan:{get:function(){console.warn('THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.');return!this.enablePan;},set:function(value){console.warn('THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.');this.enablePan=!value;}},noKeys:{get:function(){console.warn('THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.');return!this.enableKeys;},set:function(value){console.warn('THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.');this.enableKeys=!value;}},staticMoving:{get:function(){console.warn('THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.');return!this.enableDamping;},set:function(value){console.warn('THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.');this.enableDamping=!value;}},dynamicDampingFactor:{get:function(){console.warn('THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.');return this.dampingFactor;},set:function(value){console.warn('THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.');this.dampingFactor=value;}}});