I added a few methods to three-orbit-controls to be able to manually define phi or theta and be able to rotate to a given point.
// rotation in Y
controls.setAzimuthalAngle(theta);
// rotation in X
controls.setPolarAngle(phi);
| module.exports = function(THREE) { | |
| var MOUSE = THREE.MOUSE | |
| if (!MOUSE) | |
| MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2 }; | |
| /** | |
| * @author qiao / https://github.com/qiao | |
| * @author mrdoob / http://mrdoob.com | |
| * @author alteredq / http://alteredqualia.com/ | |
| * @author WestLangley / http://github.com/WestLangley | |
| * @author erich666 / http://erichaines.com | |
| */ | |
| /*global THREE, console */ | |
| function OrbitConstraint ( object ) { | |
| this.object = object; | |
| // "target" sets the location of focus, where the object orbits around | |
| // and where it pans with respect to. | |
| this.target = new THREE.Vector3(); | |
| // Limits to how far you can dolly in and out ( PerspectiveCamera only ) | |
| this.minDistance = 0; | |
| this.maxDistance = Infinity; | |
| // Limits to 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 = 0.25; | |
| //////////// | |
| // internals | |
| var scope = this; | |
| var EPS = 0.000001; | |
| // Current position in spherical coordinate system. | |
| var theta = 0; | |
| var phi = 0; | |
| // Pending changes | |
| var phiDelta = 0; | |
| var thetaDelta = 0; | |
| var scale = 1; | |
| var panOffset = new THREE.Vector3(); | |
| var zoomChanged = false; | |
| // API | |
| this.getPolarAngle = function () { | |
| return phi; | |
| }; | |
| this.getAzimuthalAngle = function () { | |
| return theta; | |
| }; | |
| this.setPolarAngle = function (angle) { | |
| phi = angle; | |
| this.forceUpdate(); | |
| }; | |
| this.setAzimuthalAngle = function (angle) { | |
| theta = angle; | |
| this.forceUpdate(); | |
| }; | |
| this.rotateLeft = function ( angle ) { | |
| thetaDelta -= angle; | |
| }; | |
| this.rotateUp = function ( angle ) { | |
| phiDelta -= angle; | |
| }; | |
| // pass in distance in world space to move left | |
| this.panLeft = function() { | |
| var v = new THREE.Vector3(); | |
| return function panLeft ( distance ) { | |
| var te = this.object.matrix.elements; | |
| // get X column of matrix | |
| v.set( te[ 0 ], te[ 1 ], te[ 2 ] ); | |
| v.multiplyScalar( - distance ); | |
| panOffset.add( v ); | |
| }; | |
| }(); | |
| // pass in distance in world space to move up | |
| this.panUp = function() { | |
| var v = new THREE.Vector3(); | |
| return function panUp ( distance ) { | |
| var te = this.object.matrix.elements; | |
| // get Y column of matrix | |
| v.set( te[ 4 ], te[ 5 ], te[ 6 ] ); | |
| v.multiplyScalar( distance ); | |
| panOffset.add( v ); | |
| }; | |
| }(); | |
| // pass in x,y of change desired in pixel space, | |
| // right and down are positive | |
| this.pan = function ( deltaX, deltaY, screenWidth, screenHeight ) { | |
| if ( scope.object instanceof THREE.PerspectiveCamera ) { | |
| // perspective | |
| var position = scope.object.position; | |
| var offset = position.clone().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 actually don't use screenWidth, since perspective camera is fixed to screen height | |
| scope.panLeft( 2 * deltaX * targetDistance / screenHeight ); | |
| scope.panUp( 2 * deltaY * targetDistance / screenHeight ); | |
| } else if ( scope.object instanceof THREE.OrthographicCamera ) { | |
| // orthographic | |
| scope.panLeft( deltaX * ( scope.object.right - scope.object.left ) / screenWidth ); | |
| scope.panUp( deltaY * ( scope.object.top - scope.object.bottom ) / screenHeight ); | |
| } else { | |
| // camera neither orthographic or perspective | |
| console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' ); | |
| } | |
| }; | |
| this.dollyIn = function ( dollyScale ) { | |
| if ( scope.object instanceof THREE.PerspectiveCamera ) { | |
| scale /= dollyScale; | |
| } else if ( scope.object instanceof THREE.OrthographicCamera ) { | |
| scope.object.zoom = Math.max( this.minZoom, Math.min( this.maxZoom, this.object.zoom * dollyScale ) ); | |
| scope.object.updateProjectionMatrix(); | |
| zoomChanged = true; | |
| } else { | |
| console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' ); | |
| } | |
| }; | |
| this.dollyOut = function ( dollyScale ) { | |
| if ( scope.object instanceof THREE.PerspectiveCamera ) { | |
| scale *= dollyScale; | |
| } else if ( scope.object instanceof THREE.OrthographicCamera ) { | |
| scope.object.zoom = Math.max( this.minZoom, Math.min( this.maxZoom, this.object.zoom / dollyScale ) ); | |
| scope.object.updateProjectionMatrix(); | |
| zoomChanged = true; | |
| } else { | |
| console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' ); | |
| } | |
| }; | |
| this.forceUpdate = function() { | |
| var offset = new THREE.Vector3(); | |
| // so camera.up is the orbit axis | |
| 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 () { | |
| var position = this.object.position; | |
| offset.copy( position ).sub( this.target ); | |
| // rotate offset to "y-axis-is-up" space | |
| offset.applyQuaternion( quat ); | |
| // restrict theta to be between desired limits | |
| theta = Math.max( this.minAzimuthAngle, Math.min( this.maxAzimuthAngle, theta ) ); | |
| // restrict phi to be between desired limits | |
| phi = Math.max( this.minPolarAngle, Math.min( this.maxPolarAngle, phi ) ); | |
| // restrict phi to be betwee EPS and PI-EPS | |
| phi = Math.max( EPS, Math.min( Math.PI - EPS, phi ) ); | |
| var radius = offset.length() * scale; | |
| // restrict radius to be between desired limits | |
| radius = Math.max( this.minDistance, Math.min( this.maxDistance, radius ) ); | |
| // move target to panned location | |
| this.target.add( panOffset ); | |
| offset.x = radius * Math.sin( phi ) * Math.sin( theta ); | |
| offset.y = radius * Math.cos( phi ); | |
| offset.z = radius * Math.sin( phi ) * Math.cos( theta ); | |
| // rotate offset back to "camera-up-vector-is-up" space | |
| offset.applyQuaternion( quatInverse ); | |
| position.copy( this.target ).add( offset ); | |
| this.object.lookAt( this.target ); | |
| if ( this.enableDamping === true ) { | |
| thetaDelta *= ( 1 - this.dampingFactor ); | |
| phiDelta *= ( 1 - this.dampingFactor ); | |
| } else { | |
| thetaDelta = 0; | |
| phiDelta = 0; | |
| } | |
| scale = 1; | |
| panOffset.set( 0, 0, 0 ); | |
| // 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( this.object.position ) > EPS || | |
| 8 * ( 1 - lastQuaternion.dot( this.object.quaternion ) ) > EPS ) { | |
| lastPosition.copy( this.object.position ); | |
| lastQuaternion.copy( this.object.quaternion ); | |
| zoomChanged = false; | |
| return true; | |
| } | |
| return false; | |
| }; | |
| }(); | |
| this.update = function() { | |
| var offset = new THREE.Vector3(); | |
| // so camera.up is the orbit axis | |
| 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 () { | |
| var position = this.object.position; | |
| offset.copy( position ).sub( this.target ); | |
| // rotate offset to "y-axis-is-up" space | |
| offset.applyQuaternion( quat ); | |
| // angle from z-axis around y-axis | |
| theta = Math.atan2( offset.x, offset.z ); | |
| // angle from y-axis | |
| phi = Math.atan2( Math.sqrt( offset.x * offset.x + offset.z * offset.z ), offset.y ); | |
| theta += thetaDelta; | |
| phi += phiDelta; | |
| // restrict theta to be between desired limits | |
| theta = Math.max( this.minAzimuthAngle, Math.min( this.maxAzimuthAngle, theta ) ); | |
| // restrict phi to be between desired limits | |
| phi = Math.max( this.minPolarAngle, Math.min( this.maxPolarAngle, phi ) ); | |
| // restrict phi to be betwee EPS and PI-EPS | |
| phi = Math.max( EPS, Math.min( Math.PI - EPS, phi ) ); | |
| var radius = offset.length() * scale; | |
| // restrict radius to be between desired limits | |
| radius = Math.max( this.minDistance, Math.min( this.maxDistance, radius ) ); | |
| // move target to panned location | |
| this.target.add( panOffset ); | |
| offset.x = radius * Math.sin( phi ) * Math.sin( theta ); | |
| offset.y = radius * Math.cos( phi ); | |
| offset.z = radius * Math.sin( phi ) * Math.cos( theta ); | |
| // rotate offset back to "camera-up-vector-is-up" space | |
| offset.applyQuaternion( quatInverse ); | |
| position.copy( this.target ).add( offset ); | |
| this.object.lookAt( this.target ); | |
| if ( this.enableDamping === true ) { | |
| thetaDelta *= ( 1 - this.dampingFactor ); | |
| phiDelta *= ( 1 - this.dampingFactor ); | |
| } else { | |
| thetaDelta = 0; | |
| phiDelta = 0; | |
| } | |
| scale = 1; | |
| panOffset.set( 0, 0, 0 ); | |
| // 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( this.object.position ) > EPS || | |
| 8 * ( 1 - lastQuaternion.dot( this.object.quaternion ) ) > EPS ) { | |
| lastPosition.copy( this.object.position ); | |
| lastQuaternion.copy( this.object.quaternion ); | |
| zoomChanged = false; | |
| return true; | |
| } | |
| return false; | |
| }; | |
| }(); | |
| }; | |
| // This set of controls performs orbiting, dollying (zooming), and panning. It maintains | |
| // the "up" direction as +Y, unlike the TrackballControls. Touch on tablet and phones is | |
| // supported. | |
| // | |
| // Orbit - left mouse / touch: one finger move | |
| // Zoom - middle mouse, or mousewheel / touch: two finger spread or squish | |
| // Pan - right mouse, or arrow keys / touch: three finter swipe | |
| function OrbitControls ( object, domElement ) { | |
| var constraint = new OrbitConstraint( object ); | |
| this.domElement = ( domElement !== undefined ) ? domElement : document; | |
| // API | |
| Object.defineProperty( this, 'constraint', { | |
| get: function() { | |
| return constraint; | |
| } | |
| } ); | |
| this.getPolarAngle = function () { | |
| return constraint.getPolarAngle(); | |
| }; | |
| this.getAzimuthalAngle = function () { | |
| return constraint.getAzimuthalAngle(); | |
| }; | |
| this.setPolarAngle = function (angle) { | |
| return constraint.setPolarAngle(angle); | |
| }; | |
| this.setAzimuthalAngle = function (angle) { | |
| return constraint.setAzimuthalAngle(angle); | |
| }; | |
| // Set to false to disable this control | |
| this.enabled = true; | |
| // center is old, deprecated; use "target" instead | |
| this.center = this.target; | |
| // This option actually enables dollying in and out; left 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.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 | |
| 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 = { ORBIT: THREE.MOUSE.LEFT, ZOOM: THREE.MOUSE.MIDDLE, PAN: THREE.MOUSE.RIGHT }; | |
| //////////// | |
| // internals | |
| var scope = this; | |
| 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(); | |
| var STATE = { NONE : - 1, ROTATE : 0, DOLLY : 1, PAN : 2, TOUCH_ROTATE : 3, TOUCH_DOLLY : 4, TOUCH_PAN : 5 }; | |
| var state = STATE.NONE; | |
| // for reset | |
| this.target0 = this.target.clone(); | |
| this.position0 = this.object.position.clone(); | |
| this.zoom0 = this.object.zoom; | |
| // events | |
| var changeEvent = { type: 'change' }; | |
| var startEvent = { type: 'start' }; | |
| var endEvent = { type: 'end' }; | |
| // pass in x,y of change desired in pixel space, | |
| // right and down are positive | |
| function pan( deltaX, deltaY ) { | |
| var element = scope.domElement === document ? scope.domElement.body : scope.domElement; | |
| constraint.pan( deltaX, deltaY, element.clientWidth, element.clientHeight ); | |
| } | |
| this.update = function () { | |
| if ( this.autoRotate && state === STATE.NONE ) { | |
| constraint.rotateLeft( getAutoRotationAngle() ); | |
| } | |
| if ( constraint.update() === true ) { | |
| this.dispatchEvent( changeEvent ); | |
| } | |
| }; | |
| this.reset = function () { | |
| state = STATE.NONE; | |
| this.target.copy( this.target0 ); | |
| this.object.position.copy( this.position0 ); | |
| this.object.zoom = this.zoom0; | |
| this.object.updateProjectionMatrix(); | |
| this.dispatchEvent( changeEvent ); | |
| this.update(); | |
| }; | |
| function getAutoRotationAngle() { | |
| return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed; | |
| } | |
| function getZoomScale() { | |
| return Math.pow( 0.95, scope.zoomSpeed ); | |
| } | |
| function onMouseDown( event ) { | |
| if ( scope.enabled === false ) return; | |
| event.preventDefault(); | |
| if ( event.button === scope.mouseButtons.ORBIT ) { | |
| if ( scope.enableRotate === false ) return; | |
| state = STATE.ROTATE; | |
| rotateStart.set( event.clientX, event.clientY ); | |
| } else if ( event.button === scope.mouseButtons.ZOOM ) { | |
| if ( scope.enableZoom === false ) return; | |
| state = STATE.DOLLY; | |
| dollyStart.set( event.clientX, event.clientY ); | |
| } else if ( event.button === scope.mouseButtons.PAN ) { | |
| if ( scope.enablePan === false ) return; | |
| state = STATE.PAN; | |
| panStart.set( event.clientX, event.clientY ); | |
| } | |
| 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(); | |
| var element = scope.domElement === document ? scope.domElement.body : scope.domElement; | |
| if ( state === STATE.ROTATE ) { | |
| if ( scope.enableRotate === false ) return; | |
| rotateEnd.set( event.clientX, event.clientY ); | |
| rotateDelta.subVectors( rotateEnd, rotateStart ); | |
| // rotating across whole screen goes 360 degrees around | |
| constraint.rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed ); | |
| // rotating up and down along whole screen attempts to go 360, but limited to 180 | |
| constraint.rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed ); | |
| rotateStart.copy( rotateEnd ); | |
| } else if ( state === STATE.DOLLY ) { | |
| if ( scope.enableZoom === false ) return; | |
| dollyEnd.set( event.clientX, event.clientY ); | |
| dollyDelta.subVectors( dollyEnd, dollyStart ); | |
| if ( dollyDelta.y > 0 ) { | |
| constraint.dollyIn( getZoomScale() ); | |
| } else if ( dollyDelta.y < 0 ) { | |
| constraint.dollyOut( getZoomScale() ); | |
| } | |
| dollyStart.copy( dollyEnd ); | |
| } else if ( state === STATE.PAN ) { | |
| if ( scope.enablePan === false ) return; | |
| panEnd.set( event.clientX, event.clientY ); | |
| panDelta.subVectors( panEnd, panStart ); | |
| pan( panDelta.x, panDelta.y ); | |
| panStart.copy( panEnd ); | |
| } | |
| if ( state !== STATE.NONE ) scope.update(); | |
| } | |
| function onMouseUp( /* event */ ) { | |
| if ( scope.enabled === false ) return; | |
| 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 ) return; | |
| event.preventDefault(); | |
| event.stopPropagation(); | |
| var delta = 0; | |
| if ( event.wheelDelta !== undefined ) { | |
| // WebKit / Opera / Explorer 9 | |
| delta = event.wheelDelta; | |
| } else if ( event.detail !== undefined ) { | |
| // Firefox | |
| delta = - event.detail; | |
| } | |
| if ( delta > 0 ) { | |
| constraint.dollyOut( getZoomScale() ); | |
| } else if ( delta < 0 ) { | |
| constraint.dollyIn( getZoomScale() ); | |
| } | |
| scope.update(); | |
| scope.dispatchEvent( startEvent ); | |
| scope.dispatchEvent( endEvent ); | |
| } | |
| function onKeyDown( event ) { | |
| if ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return; | |
| switch ( event.keyCode ) { | |
| case scope.keys.UP: | |
| pan( 0, scope.keyPanSpeed ); | |
| scope.update(); | |
| break; | |
| case scope.keys.BOTTOM: | |
| pan( 0, - scope.keyPanSpeed ); | |
| scope.update(); | |
| break; | |
| case scope.keys.LEFT: | |
| pan( scope.keyPanSpeed, 0 ); | |
| scope.update(); | |
| break; | |
| case scope.keys.RIGHT: | |
| pan( - scope.keyPanSpeed, 0 ); | |
| scope.update(); | |
| break; | |
| } | |
| } | |
| function touchstart( event ) { | |
| if ( scope.enabled === false ) return; | |
| switch ( event.touches.length ) { | |
| case 1: // one-fingered touch: rotate | |
| if ( scope.enableRotate === false ) return; | |
| state = STATE.TOUCH_ROTATE; | |
| rotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); | |
| break; | |
| case 2: // two-fingered touch: dolly | |
| if ( scope.enableZoom === false ) return; | |
| state = STATE.TOUCH_DOLLY; | |
| 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 ); | |
| break; | |
| case 3: // three-fingered touch: pan | |
| if ( scope.enablePan === false ) return; | |
| state = STATE.TOUCH_PAN; | |
| panStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); | |
| break; | |
| default: | |
| state = STATE.NONE; | |
| } | |
| if ( state !== STATE.NONE ) scope.dispatchEvent( startEvent ); | |
| } | |
| function touchmove( event ) { | |
| if ( scope.enabled === false ) return; | |
| event.preventDefault(); | |
| event.stopPropagation(); | |
| var element = scope.domElement === document ? scope.domElement.body : scope.domElement; | |
| switch ( event.touches.length ) { | |
| case 1: // one-fingered touch: rotate | |
| if ( scope.enableRotate === false ) return; | |
| if ( state !== STATE.TOUCH_ROTATE ) return; | |
| rotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); | |
| rotateDelta.subVectors( rotateEnd, rotateStart ); | |
| // rotating across whole screen goes 360 degrees around | |
| constraint.rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed ); | |
| // rotating up and down along whole screen attempts to go 360, but limited to 180 | |
| constraint.rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed ); | |
| rotateStart.copy( rotateEnd ); | |
| scope.update(); | |
| break; | |
| case 2: // two-fingered touch: dolly | |
| if ( scope.enableZoom === false ) return; | |
| if ( state !== STATE.TOUCH_DOLLY ) return; | |
| 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.subVectors( dollyEnd, dollyStart ); | |
| if ( dollyDelta.y > 0 ) { | |
| constraint.dollyOut( getZoomScale() ); | |
| } else if ( dollyDelta.y < 0 ) { | |
| constraint.dollyIn( getZoomScale() ); | |
| } | |
| dollyStart.copy( dollyEnd ); | |
| scope.update(); | |
| break; | |
| case 3: // three-fingered touch: pan | |
| if ( scope.enablePan === false ) return; | |
| if ( state !== STATE.TOUCH_PAN ) return; | |
| panEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); | |
| panDelta.subVectors( panEnd, panStart ); | |
| pan( panDelta.x, panDelta.y ); | |
| panStart.copy( panEnd ); | |
| scope.update(); | |
| break; | |
| default: | |
| state = STATE.NONE; | |
| } | |
| } | |
| function touchend( /* event */ ) { | |
| if ( scope.enabled === false ) return; | |
| scope.dispatchEvent( endEvent ); | |
| state = STATE.NONE; | |
| } | |
| function contextmenu( event ) { | |
| event.preventDefault(); | |
| } | |
| this.dispose = function() { | |
| this.domElement.removeEventListener( 'contextmenu', contextmenu, false ); | |
| this.domElement.removeEventListener( 'mousedown', onMouseDown, false ); | |
| this.domElement.removeEventListener( 'mousewheel', onMouseWheel, false ); | |
| this.domElement.removeEventListener( 'MozMousePixelScroll', onMouseWheel, false ); // firefox | |
| this.domElement.removeEventListener( 'touchstart', touchstart, false ); | |
| this.domElement.removeEventListener( 'touchend', touchend, false ); | |
| this.domElement.removeEventListener( 'touchmove', touchmove, false ); | |
| document.removeEventListener( 'mousemove', onMouseMove, false ); | |
| document.removeEventListener( 'mouseup', onMouseUp, false ); | |
| window.removeEventListener( 'keydown', onKeyDown, false ); | |
| } | |
| this.domElement.addEventListener( 'contextmenu', contextmenu, false ); | |
| this.domElement.addEventListener( 'mousedown', onMouseDown, false ); | |
| this.domElement.addEventListener( 'mousewheel', onMouseWheel, false ); | |
| this.domElement.addEventListener( 'MozMousePixelScroll', onMouseWheel, false ); // firefox | |
| this.domElement.addEventListener( 'touchstart', touchstart, false ); | |
| this.domElement.addEventListener( 'touchend', touchend, false ); | |
| this.domElement.addEventListener( 'touchmove', touchmove, false ); | |
| window.addEventListener( 'keydown', onKeyDown, false ); | |
| // force an update at start | |
| this.update(); | |
| }; | |
| OrbitControls.prototype = Object.create( THREE.EventDispatcher.prototype ); | |
| OrbitControls.prototype.constructor = OrbitControls; | |
| Object.defineProperties( OrbitControls.prototype, { | |
| object: { | |
| get: function () { | |
| return this.constraint.object; | |
| } | |
| }, | |
| target: { | |
| get: function () { | |
| return this.constraint.target; | |
| }, | |
| set: function ( value ) { | |
| console.warn( 'THREE.OrbitControls: target is now immutable. Use target.set() instead.' ); | |
| this.constraint.target.copy( value ); | |
| } | |
| }, | |
| minDistance : { | |
| get: function () { | |
| return this.constraint.minDistance; | |
| }, | |
| set: function ( value ) { | |
| this.constraint.minDistance = value; | |
| } | |
| }, | |
| maxDistance : { | |
| get: function () { | |
| return this.constraint.maxDistance; | |
| }, | |
| set: function ( value ) { | |
| this.constraint.maxDistance = value; | |
| } | |
| }, | |
| minZoom : { | |
| get: function () { | |
| return this.constraint.minZoom; | |
| }, | |
| set: function ( value ) { | |
| this.constraint.minZoom = value; | |
| } | |
| }, | |
| maxZoom : { | |
| get: function () { | |
| return this.constraint.maxZoom; | |
| }, | |
| set: function ( value ) { | |
| this.constraint.maxZoom = value; | |
| } | |
| }, | |
| minPolarAngle : { | |
| get: function () { | |
| return this.constraint.minPolarAngle; | |
| }, | |
| set: function ( value ) { | |
| this.constraint.minPolarAngle = value; | |
| } | |
| }, | |
| maxPolarAngle : { | |
| get: function () { | |
| return this.constraint.maxPolarAngle; | |
| }, | |
| set: function ( value ) { | |
| this.constraint.maxPolarAngle = value; | |
| } | |
| }, | |
| minAzimuthAngle : { | |
| get: function () { | |
| return this.constraint.minAzimuthAngle; | |
| }, | |
| set: function ( value ) { | |
| this.constraint.minAzimuthAngle = value; | |
| } | |
| }, | |
| maxAzimuthAngle : { | |
| get: function () { | |
| return this.constraint.maxAzimuthAngle; | |
| }, | |
| set: function ( value ) { | |
| this.constraint.maxAzimuthAngle = value; | |
| } | |
| }, | |
| enableDamping : { | |
| get: function () { | |
| return this.constraint.enableDamping; | |
| }, | |
| set: function ( value ) { | |
| this.constraint.enableDamping = value; | |
| } | |
| }, | |
| dampingFactor : { | |
| get: function () { | |
| return this.constraint.dampingFactor; | |
| }, | |
| set: function ( value ) { | |
| this.constraint.dampingFactor = value; | |
| } | |
| }, | |
| // backward compatibility | |
| 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.constraint.enableDamping; | |
| }, | |
| set: function ( value ) { | |
| console.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' ); | |
| this.constraint.enableDamping = ! value; | |
| } | |
| }, | |
| dynamicDampingFactor : { | |
| get: function () { | |
| console.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' ); | |
| return this.constraint.dampingFactor; | |
| }, | |
| set: function ( value ) { | |
| console.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' ); | |
| this.constraint.dampingFactor = value; | |
| } | |
| } | |
| } ); | |
| return OrbitControls; | |
| } |