diff options
| author | Agando <roduccomm@gmail.com> | 2026-07-02 06:00:40 +0200 |
|---|---|---|
| committer | Agando <roduccomm@gmail.com> | 2026-07-02 06:00:40 +0200 |
| commit | ea4d09fb5ccba12ed774fcf7c913edfa1e6a851a (patch) | |
| tree | 2361e33e52cdb4e0880ed0c776ed75943b37d7cf /downloads/OrbitControls.js | |
| parent | 8b3e3e4527772bf060984f98777a2cff8e88aa09 (diff) | |
auto: 2026-07-02_06:00 changes
Diffstat (limited to 'downloads/OrbitControls.js')
| -rw-r--r-- | downloads/OrbitControls.js | 1045 |
1 files changed, 1045 insertions, 0 deletions
diff --git a/downloads/OrbitControls.js b/downloads/OrbitControls.js new file mode 100644 index 0000000..0873097 --- /dev/null +++ b/downloads/OrbitControls.js @@ -0,0 +1,1045 @@ +( function () { + + // Unlike TrackballControls, it maintains the "up" direction object.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 + + const _changeEvent = { + type: 'change' + }; + const _startEvent = { + type: 'start' + }; + const _endEvent = { + type: 'end' + }; + + class OrbitControls extends THREE.EventDispatcher { + + constructor( object, domElement ) { + + super(); + if ( domElement === undefined ) console.warn( 'THREE.OrbitControls: The second parameter "domElement" is now mandatory.' ); + if ( domElement === document ) console.error( 'THREE.OrbitControls: "document" should not be used as the target "domElement". Please use "renderer.domElement" instead.' ); + 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 THREE.Vector3(); // 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, the interval [ min, max ] must be a sub-interval of [ - 2 PI, 2 PI ], with ( max - min < 2 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 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.panSpeed = 1.0; + this.screenSpacePanning = true; // if false, pan orthogonal to world-space direction camera.up + + 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 orbit when fps is 60 + // The four arrow keys + + this.keys = { + LEFT: 'ArrowLeft', + UP: 'ArrowUp', + RIGHT: 'ArrowRight', + BOTTOM: 'ArrowDown' + }; // Mouse buttons + + this.mouseButtons = { + LEFT: THREE.MOUSE.ROTATE, + MIDDLE: THREE.MOUSE.DOLLY, + RIGHT: THREE.MOUSE.PAN + }; // Touch fingers + + this.touches = { + ONE: THREE.TOUCH.ROTATE, + TWO: THREE.TOUCH.DOLLY_PAN + }; // for reset + + this.target0 = this.target.clone(); + this.position0 = this.object.position.clone(); + this.zoom0 = this.object.zoom; // the target DOM element for key events + + this._domElementKeyEvents = null; // + // public methods + // + + this.getPolarAngle = function () { + + return spherical.phi; + + }; + + this.getAzimuthalAngle = function () { + + return spherical.theta; + + }; + + this.listenToKeyEvents = function ( domElement ) { + + domElement.addEventListener( 'keydown', onKeyDown ); + this._domElementKeyEvents = domElement; + + }; + + 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 method is exposed, but perhaps it would be better if we can make it private... + + + this.update = function () { + + const offset = new THREE.Vector3(); // so camera.up is the orbit axis + + const quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) ); + const quatInverse = quat.clone().invert(); + const lastPosition = new THREE.Vector3(); + const lastQuaternion = new THREE.Quaternion(); + const twoPI = 2 * Math.PI; + return function update() { + + const position = scope.object.position; + offset.copy( position ).sub( scope.target ); // rotate offset to "y-axis-is-up" space + + offset.applyQuaternion( quat ); // angle from z-axis around y-axis + + spherical.setFromVector3( offset ); + + if ( scope.autoRotate && state === STATE.NONE ) { + + rotateLeft( getAutoRotationAngle() ); + + } + + 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 + + + let min = scope.minAzimuthAngle; + let max = scope.maxAzimuthAngle; + + if ( isFinite( min ) && isFinite( max ) ) { + + if ( min < - Math.PI ) min += twoPI; else if ( min > Math.PI ) min -= twoPI; + if ( max < - Math.PI ) max += twoPI; else if ( max > Math.PI ) max -= twoPI; + + if ( min <= max ) { + + spherical.theta = Math.max( min, Math.min( max, spherical.theta ) ); + + } else { + + spherical.theta = spherical.theta > ( min + max ) / 2 ? Math.max( min, spherical.theta ) : Math.min( max, 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 ) ); // move target to panned location + + if ( scope.enableDamping === true ) { + + scope.target.addScaledVector( panOffset, scope.dampingFactor ); + + } else { + + scope.target.add( panOffset ); + + } + + offset.setFromSpherical( spherical ); // rotate offset back to "camera-up-vector-is-up" space + + 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; // 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 ); + scope.domElement.removeEventListener( 'pointerdown', onPointerDown ); + scope.domElement.removeEventListener( 'wheel', onMouseWheel ); + scope.domElement.removeEventListener( 'touchstart', onTouchStart ); + scope.domElement.removeEventListener( 'touchend', onTouchEnd ); + scope.domElement.removeEventListener( 'touchmove', onTouchMove ); + scope.domElement.ownerDocument.removeEventListener( 'pointermove', onPointerMove ); + scope.domElement.ownerDocument.removeEventListener( 'pointerup', onPointerUp ); + + if ( scope._domElementKeyEvents !== null ) { + + scope._domElementKeyEvents.removeEventListener( 'keydown', onKeyDown ); + + } //scope.dispatchEvent( { type: 'dispose' } ); // should this be added here? + + }; // + // internals + // + + + const scope = this; + const STATE = { + NONE: - 1, + ROTATE: 0, + DOLLY: 1, + PAN: 2, + TOUCH_ROTATE: 3, + TOUCH_PAN: 4, + TOUCH_DOLLY_PAN: 5, + TOUCH_DOLLY_ROTATE: 6 + }; + let state = STATE.NONE; + const EPS = 0.000001; // current position in spherical coordinates + + const spherical = new THREE.Spherical(); + const sphericalDelta = new THREE.Spherical(); + let scale = 1; + const panOffset = new THREE.Vector3(); + let zoomChanged = false; + const rotateStart = new THREE.Vector2(); + const rotateEnd = new THREE.Vector2(); + const rotateDelta = new THREE.Vector2(); + const panStart = new THREE.Vector2(); + const panEnd = new THREE.Vector2(); + const panDelta = new THREE.Vector2(); + const dollyStart = new THREE.Vector2(); + const dollyEnd = new THREE.Vector2(); + const 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; + + } + + const panLeft = function () { + + const v = new THREE.Vector3(); + return function panLeft( distance, objectMatrix ) { + + v.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix + + v.multiplyScalar( - distance ); + panOffset.add( v ); + + }; + + }(); + + const panUp = function () { + + const 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 ); + + }; + + }(); // deltaX and deltaY are in pixels; right and down are positive + + + const pan = function () { + + const offset = new THREE.Vector3(); + return function pan( deltaX, deltaY ) { + + const element = scope.domElement; + + if ( scope.object.isPerspectiveCamera ) { + + // perspective + const position = scope.object.position; + offset.copy( position ).sub( scope.target ); + let 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: OrbitControls.js encountered an unknown camera type - pan disabled.' ); + scope.enablePan = 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 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; + + } + + } // + // 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 ); + const 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 ) { + + dollyOut( getZoomScale() ); + + } else if ( dollyDelta.y < 0 ) { + + dollyIn( 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( ) { // no-op + } + + function handleMouseWheel( event ) { + + if ( event.deltaY < 0 ) { + + dollyIn( getZoomScale() ); + + } else if ( event.deltaY > 0 ) { + + dollyOut( getZoomScale() ); + + } + + scope.update(); + + } + + function handleKeyDown( event ) { + + let needsUpdate = false; + + switch ( event.code ) { + + 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 { + + const x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX ); + const 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 { + + const x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX ); + const y = 0.5 * ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY ); + panStart.set( x, y ); + + } + + } + + function handleTouchStartDolly( event ) { + + const dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX; + const dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY; + const 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 { + + const x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX ); + const y = 0.5 * ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY ); + rotateEnd.set( x, y ); + + } + + rotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed ); + const 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 { + + const x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX ); + const 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 ) { + + const dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX; + const dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY; + const distance = Math.sqrt( dx * dx + dy * dy ); + dollyEnd.set( 0, distance ); + dollyDelta.set( 0, Math.pow( dollyEnd.y / dollyStart.y, scope.zoomSpeed ) ); + dollyOut( 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( ) { // no-op + } // + // event handlers - FSM: listen for events and reset state + // + + + function onPointerDown( event ) { + + if ( scope.enabled === false ) return; + + switch ( event.pointerType ) { + + case 'mouse': + case 'pen': + onMouseDown( event ); + break; + // TODO touch + + } + + } + + function onPointerMove( event ) { + + if ( scope.enabled === false ) return; + + switch ( event.pointerType ) { + + case 'mouse': + case 'pen': + onMouseMove( event ); + break; + // TODO touch + + } + + } + + function onPointerUp( event ) { + + switch ( event.pointerType ) { + + case 'mouse': + case 'pen': + onMouseUp( event ); + break; + // TODO touch + + } + + } + + function onMouseDown( event ) { + + // 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(); + let 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 THREE.MOUSE.DOLLY: + if ( scope.enableZoom === false ) return; + handleMouseDownDolly( event ); + state = STATE.DOLLY; + break; + + case THREE.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 THREE.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 ) { + + scope.domElement.ownerDocument.addEventListener( 'pointermove', onPointerMove ); + scope.domElement.ownerDocument.addEventListener( 'pointerup', onPointerUp ); + 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 ) { + + scope.domElement.ownerDocument.removeEventListener( 'pointermove', onPointerMove ); + scope.domElement.ownerDocument.removeEventListener( 'pointerup', onPointerUp ); + if ( scope.enabled === false ) return; + handleMouseUp( event ); + 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(); + scope.dispatchEvent( _startEvent ); + handleMouseWheel( event ); + scope.dispatchEvent( _endEvent ); + + } + + function onKeyDown( event ) { + + if ( scope.enabled === false || scope.enablePan === false ) return; + handleKeyDown( event ); + + } + + function onTouchStart( event ) { + + if ( scope.enabled === false ) return; + event.preventDefault(); // prevent scrolling + + switch ( event.touches.length ) { + + case 1: + switch ( scope.touches.ONE ) { + + case THREE.TOUCH.ROTATE: + if ( scope.enableRotate === false ) return; + handleTouchStartRotate( event ); + state = STATE.TOUCH_ROTATE; + break; + + case THREE.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 THREE.TOUCH.DOLLY_PAN: + if ( scope.enableZoom === false && scope.enablePan === false ) return; + handleTouchStartDollyPan( event ); + state = STATE.TOUCH_DOLLY_PAN; + break; + + case THREE.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(); // prevent scrolling + + 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 ); + scope.domElement.addEventListener( 'pointerdown', onPointerDown ); + scope.domElement.addEventListener( 'wheel', onMouseWheel, { + passive: false + } ); + scope.domElement.addEventListener( 'touchstart', onTouchStart, { + passive: false + } ); + scope.domElement.addEventListener( 'touchend', onTouchEnd ); + scope.domElement.addEventListener( 'touchmove', onTouchMove, { + passive: false + } ); // force an update at start + + this.update(); + + } + + } // This set of controls performs orbiting, dollying (zooming), and panning. + // Unlike TrackballControls, it maintains the "up" direction object.up (+Y by default). + // This is very similar to OrbitControls, another set of touch behavior + // + // 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 arrow keys / touch: one-finger move + + + class MapControls extends OrbitControls { + + constructor( object, domElement ) { + + super( object, domElement ); + this.screenSpacePanning = false; // pan orthogonal to world-space direction camera.up + + this.mouseButtons.LEFT = THREE.MOUSE.PAN; + this.mouseButtons.RIGHT = THREE.MOUSE.ROTATE; + this.touches.ONE = THREE.TOUCH.PAN; + this.touches.TWO = THREE.TOUCH.DOLLY_ROTATE; + + } + + } + + THREE.MapControls = MapControls; + THREE.OrbitControls = OrbitControls; + +} )(); |