Examples: Remove CameraControls. (#24185)

examples/jsm/controls/experimental/CameraControls.js

@@ -1,1249 +0,0 @@
-import {
-	EventDispatcher,
-	MOUSE,
-	Quaternion,
-	Spherical,
-	TOUCH,
-	Vector2,
-	Vector3
-} from 'three';
-
-class CameraControls extends EventDispatcher {
-
-	constructor( object, domElement ) {
-
-		if ( domElement === undefined ) console.warn( 'THREE.CameraControls: The second parameter "domElement" is now mandatory.' );
-		if ( domElement === document ) console.error( 'THREE.CameraControls: "document" should not be used as the target "domElement". Please use "renderer.domElement" instead.' );
-
-		super();
-
-		this.object = object;
-		this.domElement = domElement;
-
-		// Set to false to disable this control
-		this.enabled = true;
-
-		// "target" sets the location of focus, where the object orbits around
-		this.target = new Vector3();
-
-		// Set to true to enable trackball behavior
-		this.trackball = false;
-
-		// How far you can dolly in and out ( PerspectiveCamera only )
-		this.minDistance = 0;
-		this.maxDistance = Infinity;
-
-		// How far you can zoom in and out ( OrthographicCamera only )
-		this.minZoom = 0;
-		this.maxZoom = Infinity;
-
-		// How far you can orbit vertically, upper and lower limits.
-		// Range is 0 to Math.PI radians.
-		this.minPolarAngle = 0; // radians
-		this.maxPolarAngle = Math.PI; // radians
-
-		// How far you can orbit horizontally, upper and lower limits.
-		// If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ].
-		this.minAzimuthAngle = - Infinity; // radians
-		this.maxAzimuthAngle = Infinity; // radians
-
-		// Set to true to enable damping (inertia)
-		// If damping is enabled, you must call controls.update() in your animation loop
-		this.enableDamping = false;
-		this.dampingFactor = 0.05;
-
-		// This option enables dollying in and out; property named as "zoom" for backwards compatibility
-		// Set to false to disable zooming
-		this.enableZoom = true;
-		this.zoomSpeed = 1.0;
-
-		// Set to false to disable rotating
-		this.enableRotate = true;
-		this.rotateSpeed = 1.0;
-
-		// Set to false to disable panning
-		this.enablePan = true;
-		this.panSpeed = 1.0;
-		this.screenSpacePanning = false; // if true, pan in screen-space
-		this.keyPanSpeed = 7.0;	// pixels moved per arrow key push
-
-		// Set to true to automatically rotate around the target
-		// If auto-rotate is enabled, you must call controls.update() in your animation loop
-		// auto-rotate is not supported for trackball behavior
-		this.autoRotate = false;
-		this.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60
-
-		// Set to false to disable use of the keys
-		this.enableKeys = true;
-
-		// The four arrow keys
-		this.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };
-
-		// Mouse buttons
-		this.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };
-
-		// Touch fingers
-		this.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN };
-
-		// for reset
-		this.target0 = this.target.clone();
-		this.position0 = this.object.position.clone();
-		this.quaternion0 = this.object.quaternion.clone();
-		this.zoom0 = this.object.zoom;
-
-		//
-		// public methods
-		//
-
-		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.quaternion0.copy( scope.object.quaternion );
-			scope.zoom0 = scope.object.zoom;
-
-		};
-
-		this.reset = function () {
-
-			scope.target.copy( scope.target0 );
-			scope.object.position.copy( scope.position0 );
-			scope.object.quaternion.copy( scope.quaternion0 );
-			scope.object.zoom = scope.zoom0;
-
-			scope.object.updateProjectionMatrix();
-			scope.dispatchEvent( changeEvent );
-
-			scope.update();
-
-			state = STATE.NONE;
-
-		};
-
-		// this method is exposed, but perhaps it would be better if we can make it private...
-		this.update = function () {
-
-			var offset = new Vector3();
-
-			// so camera.up is the orbit axis
-			var quat = new Quaternion().setFromUnitVectors( object.up, new Vector3( 0, 1, 0 ) );
-			var quatInverse = quat.clone().invert();
-
-			var lastPosition = new Vector3();
-			var lastQuaternion = new Quaternion();
-
-			var q = new Quaternion();
-			var vec = new Vector3();
-
-			return function update() {
-
-				var position = scope.object.position;
-
-				offset.copy( position ).sub( scope.target );
-
-				if ( scope.trackball ) {
-
-					// rotate around screen-space y-axis
-
-					if ( sphericalDelta.theta ) {
-
-						vec.set( 0, 1, 0 ).applyQuaternion( scope.object.quaternion );
-
-						const factor = ( scope.enableDamping ) ? scope.dampingFactor : 1;
-
-						q.setFromAxisAngle( vec, sphericalDelta.theta * factor );
-
-						scope.object.quaternion.premultiply( q );
-						offset.applyQuaternion( q );
-
-					}
-
-					// rotate around screen-space x-axis
-
-					if ( sphericalDelta.phi ) {
-
-						vec.set( 1, 0, 0 ).applyQuaternion( scope.object.quaternion );
-
-						const factor = ( scope.enableDamping ) ? scope.dampingFactor : 1;
-
-						q.setFromAxisAngle( vec, sphericalDelta.phi * factor );
-
-						scope.object.quaternion.premultiply( q );
-						offset.applyQuaternion( q );
-
-					}
-
-					offset.multiplyScalar( scale );
-					offset.clampLength( scope.minDistance, scope.maxDistance );
-
-				} else {
-
-					// rotate offset to "y-axis-is-up" space
-					offset.applyQuaternion( quat );
-
-					if ( scope.autoRotate && state === STATE.NONE ) {
-
-						rotateLeft( getAutoRotationAngle() );
-
-					}
-
-					spherical.setFromVector3( offset );
-
-					if ( scope.enableDamping ) {
-
-						spherical.theta += sphericalDelta.theta * scope.dampingFactor;
-						spherical.phi += sphericalDelta.phi * scope.dampingFactor;
-
-					} else {
-
-						spherical.theta += sphericalDelta.theta;
-						spherical.phi += sphericalDelta.phi;
-
-					}
-
-					// restrict theta to be between desired limits
-					spherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) );
-
-					// restrict phi to be between desired limits
-					spherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );
-
-					spherical.makeSafe();
-
-					spherical.radius *= scale;
-
-					// restrict radius to be between desired limits
-					spherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );
-
-					offset.setFromSpherical( spherical );
-
-					// rotate offset back to "camera-up-vector-is-up" space
-					offset.applyQuaternion( quatInverse );
-
-				}
-
-				// move target to panned location
-
-				if ( scope.enableDamping === true ) {
-
-					scope.target.addScaledVector( panOffset, scope.dampingFactor );
-
-				} else {
-
-					scope.target.add( panOffset );
-
-				}
-
-				position.copy( scope.target ).add( offset );
-
-				if ( scope.trackball === false ) {
-
-					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;
-
-				// update condition is:
-				// min(camera displacement, camera rotation in radians)^2 > EPS
-				// using small-angle approximation cos(x/2) = 1 - x^2 / 8
-
-				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 );
-
-			scope.domElement.removeEventListener( 'keydown', onKeyDown, false );
-
-			//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?
-
-		};
-
-		//
-		// internals
-		//
-
-		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_PAN: 4,
-			TOUCH_DOLLY_PAN: 5,
-			TOUCH_DOLLY_ROTATE: 6
-		};
-
-		var state = STATE.NONE;
-
-		var EPS = 0.000001;
-
-		// current position in spherical coordinates
-		var spherical = new Spherical();
-		var sphericalDelta = new Spherical();
-
-		var scale = 1;
-		var panOffset = new Vector3();
-		var zoomChanged = false;
-
-		var rotateStart = new Vector2();
-		var rotateEnd = new Vector2();
-		var rotateDelta = new Vector2();
-
-		var panStart = new Vector2();
-		var panEnd = new Vector2();
-		var panDelta = new Vector2();
-
-		var dollyStart = new Vector2();
-		var dollyEnd = new Vector2();
-		var dollyDelta = new 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 Vector3();
-
-			return function panLeft( distance, objectMatrix ) {
-
-				v.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix
-				v.multiplyScalar( - distance );
-
-				panOffset.add( v );
-
-			};
-
-		}();
-
-		var panUp = function () {
-
-			var v = new 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 );
-
-			};
-
-		}();
-
-		// deltaX and deltaY are in pixels; right and down are positive
-		var pan = function () {
-
-			var offset = new Vector3();
-
-			return function pan( deltaX, deltaY ) {
-
-				var element = scope.domElement;
-
-				if ( scope.object.isPerspectiveCamera ) {
-
-					// perspective
-					var position = scope.object.position;
-					offset.copy( position ).sub( scope.target );
-					var targetDistance = offset.length();
-
-					// half of the fov is center to top of screen
-					targetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );
-
-					// we use only clientHeight here so aspect ratio does not distort speed
-					panLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );
-					panUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );
-
-				} else if ( scope.object.isOrthographicCamera ) {
-
-					// orthographic
-					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 {
-
-					// camera neither orthographic nor perspective
-					console.warn( 'WARNING: CameraControls.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: CameraControls.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: CameraControls.js encountered an unknown camera type - dolly/zoom disabled.' );
-				scope.enableZoom = false;
-
-			}
-
-		}
-
-		//
-		// event callbacks - update the object state
-		//
-
-		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;
-
-			rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height
-
-			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*/ ) {
-
-			// no-op
-
-		}
-
-		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 ) {
-
-				// prevent the browser from scrolling on cursor keys
-				event.preventDefault();
-
-				scope.update();
-
-			}
-
-
-		}
-
-		function handleTouchStartRotate( event ) {
-
-			if ( event.touches.length == 1 ) {
-
-				rotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );
-
-			} else {
-
-				var x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX );
-				var y = 0.5 * ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY );
-
-				rotateStart.set( x, y );
-
-			}
-
-		}
-
-		function handleTouchStartPan( event ) {
-
-			if ( event.touches.length == 1 ) {
-
-				panStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );
-
-			} else {
-
-				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 handleTouchStartDolly( event ) {
-
-			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 );
-
-		}
-
-		function handleTouchStartDollyPan( event ) {
-
-			if ( scope.enableZoom ) handleTouchStartDolly( event );
-
-			if ( scope.enablePan ) handleTouchStartPan( event );
-
-		}
-
-		function handleTouchStartDollyRotate( event ) {
-
-			if ( scope.enableZoom ) handleTouchStartDolly( event );
-
-			if ( scope.enableRotate ) handleTouchStartRotate( event );
-
-		}
-
-		function handleTouchMoveRotate( event ) {
-
-			if ( event.touches.length == 1 ) {
-
-				rotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );
-
-			} else {
-
-				var x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX );
-				var y = 0.5 * ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY );
-
-				rotateEnd.set( x, y );
-
-			}
-
-			rotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );
-
-			var element = scope.domElement;
-
-			rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height
-
-			rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );
-
-			rotateStart.copy( rotateEnd );
-
-		}
-
-		function handleTouchMovePan( event ) {
-
-			if ( event.touches.length == 1 ) {
-
-				panEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );
-
-			} else {
-
-				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 );
-
-		}
-
-		function handleTouchMoveDolly( event ) {
-
-			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 );
-
-		}
-
-		function handleTouchMoveDollyPan( event ) {
-
-			if ( scope.enableZoom ) handleTouchMoveDolly( event );
-
-			if ( scope.enablePan ) handleTouchMovePan( event );
-
-		}
-
-		function handleTouchMoveDollyRotate( event ) {
-
-			if ( scope.enableZoom ) handleTouchMoveDolly( event );
-
-			if ( scope.enableRotate ) handleTouchMoveRotate( event );
-
-		}
-
-		function handleTouchEnd( /*event*/ ) {
-
-			// no-op
-
-		}
-
-		//
-		// event handlers - FSM: listen for events and reset state
-		//
-
-		function onMouseDown( event ) {
-
-			if ( scope.enabled === false ) return;
-
-			// Prevent the browser from scrolling.
-
-			event.preventDefault();
-
-			// Manually set the focus since calling preventDefault above
-			// prevents the browser from setting it automatically.
-
-			scope.domElement.focus ? scope.domElement.focus() : window.focus();
-
-			var mouseAction;
-
-			switch ( event.button ) {
-
-				case 0:
-
-					mouseAction = scope.mouseButtons.LEFT;
-					break;
-
-				case 1:
-
-					mouseAction = scope.mouseButtons.MIDDLE;
-					break;
-
-				case 2:
-
-					mouseAction = scope.mouseButtons.RIGHT;
-					break;
-
-				default:
-
-					mouseAction = - 1;
-
-			}
-
-			switch ( mouseAction ) {
-
-				case MOUSE.DOLLY:
-
-					if ( scope.enableZoom === false ) return;
-
-					handleMouseDownDolly( event );
-
-					state = STATE.DOLLY;
-
-					break;
-
-				case MOUSE.ROTATE:
-
-					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 MOUSE.PAN:
-
-					if ( event.ctrlKey || event.metaKey || event.shiftKey ) {
-
-						if ( scope.enableRotate === false ) return;
-
-						handleMouseDownRotate( event );
-
-						state = STATE.ROTATE;
-
-					} else {
-
-						if ( scope.enablePan === false ) return;
-
-						handleMouseDownPan( event );
-
-						state = STATE.PAN;
-
-					}
-
-					break;
-
-				default:
-
-					state = STATE.NONE;
-
-			}
-
-			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:
-
-					switch ( scope.touches.ONE ) {
-
-						case TOUCH.ROTATE:
-
-							if ( scope.enableRotate === false ) return;
-
-							handleTouchStartRotate( event );
-
-							state = STATE.TOUCH_ROTATE;
-
-							break;
-
-						case TOUCH.PAN:
-
-							if ( scope.enablePan === false ) return;
-
-							handleTouchStartPan( event );
-
-							state = STATE.TOUCH_PAN;
-
-							break;
-
-						default:
-
-							state = STATE.NONE;
-
-					}
-
-					break;
-
-				case 2:
-
-					switch ( scope.touches.TWO ) {
-
-						case TOUCH.DOLLY_PAN:
-
-							if ( scope.enableZoom === false && scope.enablePan === false ) return;
-
-							handleTouchStartDollyPan( event );
-
-							state = STATE.TOUCH_DOLLY_PAN;
-
-							break;
-
-						case TOUCH.DOLLY_ROTATE:
-
-							if ( scope.enableZoom === false && scope.enableRotate === false ) return;
-
-							handleTouchStartDollyRotate( event );
-
-							state = STATE.TOUCH_DOLLY_ROTATE;
-
-							break;
-
-						default:
-
-							state = STATE.NONE;
-
-					}
-
-					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 ( state ) {
-
-				case STATE.TOUCH_ROTATE:
-
-					if ( scope.enableRotate === false ) return;
-
-					handleTouchMoveRotate( event );
-
-					scope.update();
-
-					break;
-
-				case STATE.TOUCH_PAN:
-
-					if ( scope.enablePan === false ) return;
-
-					handleTouchMovePan( event );
-
-					scope.update();
-
-					break;
-
-				case STATE.TOUCH_DOLLY_PAN:
-
-					if ( scope.enableZoom === false && scope.enablePan === false ) return;
-
-					handleTouchMoveDollyPan( event );
-
-					scope.update();
-
-					break;
-
-				case STATE.TOUCH_DOLLY_ROTATE:
-
-					if ( scope.enableZoom === false && scope.enableRotate === false ) return;
-
-					handleTouchMoveDollyRotate( event );
-
-					scope.update();
-
-					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 );
-
-		scope.domElement.addEventListener( 'keydown', onKeyDown, false );
-
-		// make sure element can receive keys.
-
-		if ( scope.domElement.tabIndex === - 1 ) {
-
-			scope.domElement.tabIndex = 0;
-
-		}
-
-		// force an update at start
-
-		this.object.lookAt( scope.target );
-		this.update();
-		this.saveState();
-
-	}
-
-}
-
-// OrbitControls maintains the "up" direction, camera.up (+Y by default).
-//
-//    Orbit - left mouse / touch: one-finger move
-//    Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish
-//    Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move
-
-class OrbitControls extends CameraControls {
-
-	constructor( object, domElement ) {
-
-		super( object, domElement );
-
-		this.mouseButtons.LEFT = MOUSE.ROTATE;
-		this.mouseButtons.RIGHT = MOUSE.PAN;
-
-		this.touches.ONE = TOUCH.ROTATE;
-		this.touches.TWO = TOUCH.DOLLY_PAN;
-
-	}
-
-}
-
-// MapControls maintains the "up" direction, camera.up (+Y by default)
-//
-//    Orbit - right mouse, or left mouse + ctrl/meta/shiftKey / touch: two-finger rotate
-//    Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish
-//    Pan - left mouse, or left right + ctrl/meta/shiftKey, or arrow keys / touch: one-finger move
-
-class MapControls extends CameraControls {
-
-	constructor( object, domElement ) {
-
-		super( object, domElement );
-
-		this.mouseButtons.LEFT = MOUSE.PAN;
-		this.mouseButtons.RIGHT = MOUSE.ROTATE;
-
-		this.touches.ONE = TOUCH.PAN;
-		this.touches.TWO = TOUCH.DOLLY_ROTATE;
-
-	}
-
-}
-
-// TrackballControls allows the camera to rotate over the polls and does not maintain camera.up
-//
-//    Orbit - left mouse / touch: one-finger move
-//    Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish
-//    Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move
-
-class TrackballControls extends CameraControls {
-
-	constructor( object, domElement ) {
-
-		super( object, domElement );
-
-		this.trackball = true;
-		this.screenSpacePanning = true;
-		this.autoRotate = false;
-
-		this.mouseButtons.LEFT = MOUSE.ROTATE;
-		this.mouseButtons.RIGHT = MOUSE.PAN;
-
-		this.touches.ONE = TOUCH.ROTATE;
-		this.touches.TWO = TOUCH.DOLLY_PAN;
-
-	}
-
-}
-
-export { CameraControls, OrbitControls, MapControls, TrackballControls };