-import {\r
- EventDispatcher,\r
- MOUSE,\r
- Quaternion,\r
- Spherical,\r
- TOUCH,\r
- Vector2,\r
- Vector3\r
-} from './three.module.js';\r
-\r
-// This set of controls performs orbiting, dollying (zooming), and panning.\r
-// Unlike TrackballControls, it maintains the "up" direction object.up (+Y by default).\r
-//\r
-// Orbit - left mouse / touch: one-finger move\r
-// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\r
-// Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move\r
-\r
-var OrbitControls = function ( object, domElement ) {\r
-\r
- if ( domElement === undefined ) console.warn( 'THREE.OrbitControls: The second parameter "domElement" is now mandatory.' );\r
- if ( domElement === document ) console.error( 'THREE.OrbitControls: "document" should not be used as the target "domElement". Please use "renderer.domElement" instead.' );\r
-\r
- this.object = object;\r
- this.domElement = domElement;\r
-\r
- // Set to false to disable this control\r
- this.enabled = true;\r
-\r
- // "target" sets the location of focus, where the object orbits around\r
- this.target = new Vector3();\r
-\r
- // How far you can dolly in and out ( PerspectiveCamera only )\r
- this.minDistance = 0;\r
- this.maxDistance = Infinity;\r
-\r
- // How far you can zoom in and out ( OrthographicCamera only )\r
- this.minZoom = 0;\r
- this.maxZoom = Infinity;\r
-\r
- // How far you can orbit vertically, upper and lower limits.\r
- // Range is 0 to Math.PI radians.\r
- this.minPolarAngle = 0; // radians\r
- this.maxPolarAngle = Math.PI; // radians\r
-\r
- // How far you can orbit horizontally, upper and lower limits.\r
- // If set, the interval [ min, max ] must be a sub-interval of [ - 2 PI, 2 PI ], with ( max - min < 2 PI )\r
- this.minAzimuthAngle = - Infinity; // radians\r
- this.maxAzimuthAngle = Infinity; // radians\r
-\r
- // Set to true to enable damping (inertia)\r
- // If damping is enabled, you must call controls.update() in your animation loop\r
- this.enableDamping = false;\r
- this.dampingFactor = 0.05;\r
-\r
- // This option actually enables dollying in and out; left as "zoom" for backwards compatibility.\r
- // Set to false to disable zooming\r
- this.enableZoom = true;\r
- this.zoomSpeed = 1.0;\r
-\r
- // Set to false to disable rotating\r
- this.enableRotate = true;\r
- this.rotateSpeed = 1.0;\r
-\r
- // Set to false to disable panning\r
- this.enablePan = true;\r
- this.panSpeed = 1.0;\r
- this.screenSpacePanning = true; // if false, pan orthogonal to world-space direction camera.up\r
- this.keyPanSpeed = 7.0; // pixels moved per arrow key push\r
-\r
- // Set to true to automatically rotate around the target\r
- // If auto-rotate is enabled, you must call controls.update() in your animation loop\r
- this.autoRotate = false;\r
- this.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60\r
-\r
- // The four arrow keys\r
- this.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };\r
-\r
- // Mouse buttons\r
- this.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };\r
-\r
- // Touch fingers\r
- this.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN };\r
-\r
- // for reset\r
- this.target0 = this.target.clone();\r
- this.position0 = this.object.position.clone();\r
- this.zoom0 = this.object.zoom;\r
-\r
- // the target DOM element for key events\r
- this._domElementKeyEvents = null;\r
-\r
- //\r
- // public methods\r
- //\r
-\r
- this.getPolarAngle = function () {\r
-\r
- return spherical.phi;\r
-\r
- };\r
-\r
- this.getAzimuthalAngle = function () {\r
-\r
- return spherical.theta;\r
-\r
- };\r
-\r
- this.listenToKeyEvents = function ( domElement ) {\r
-\r
- domElement.addEventListener( 'keydown', onKeyDown );\r
- this._domElementKeyEvents = domElement;\r
-\r
- };\r
-\r
- this.saveState = function () {\r
-\r
- scope.target0.copy( scope.target );\r
- scope.position0.copy( scope.object.position );\r
- scope.zoom0 = scope.object.zoom;\r
-\r
- };\r
-\r
- this.reset = function () {\r
-\r
- scope.target.copy( scope.target0 );\r
- scope.object.position.copy( scope.position0 );\r
- scope.object.zoom = scope.zoom0;\r
-\r
- scope.object.updateProjectionMatrix();\r
- scope.dispatchEvent( changeEvent );\r
-\r
- scope.update();\r
-\r
- state = STATE.NONE;\r
-\r
- };\r
-\r
- // this method is exposed, but perhaps it would be better if we can make it private...\r
- this.update = function () {\r
-\r
- var offset = new Vector3();\r
-\r
- // so camera.up is the orbit axis\r
- var quat = new Quaternion().setFromUnitVectors( object.up, new Vector3( 0, 1, 0 ) );\r
- var quatInverse = quat.clone().invert();\r
-\r
- var lastPosition = new Vector3();\r
- var lastQuaternion = new Quaternion();\r
-\r
- var twoPI = 2 * Math.PI;\r
-\r
- return function update() {\r
-\r
- var position = scope.object.position;\r
-\r
- offset.copy( position ).sub( scope.target );\r
-\r
- // rotate offset to "y-axis-is-up" space\r
- offset.applyQuaternion( quat );\r
-\r
- // angle from z-axis around y-axis\r
- spherical.setFromVector3( offset );\r
-\r
- if ( scope.autoRotate && state === STATE.NONE ) {\r
-\r
- rotateLeft( getAutoRotationAngle() );\r
-\r
- }\r
-\r
- if ( scope.enableDamping ) {\r
-\r
- spherical.theta += sphericalDelta.theta * scope.dampingFactor;\r
- spherical.phi += sphericalDelta.phi * scope.dampingFactor;\r
-\r
- } else {\r
-\r
- spherical.theta += sphericalDelta.theta;\r
- spherical.phi += sphericalDelta.phi;\r
-\r
- }\r
-\r
- // restrict theta to be between desired limits\r
-\r
- var min = scope.minAzimuthAngle;\r
- var max = scope.maxAzimuthAngle;\r
-\r
- if ( isFinite( min ) && isFinite( max ) ) {\r
-\r
- if ( min < - Math.PI ) min += twoPI; else if ( min > Math.PI ) min -= twoPI;\r
-\r
- if ( max < - Math.PI ) max += twoPI; else if ( max > Math.PI ) max -= twoPI;\r
-\r
- if ( min <= max ) {\r
-\r
- spherical.theta = Math.max( min, Math.min( max, spherical.theta ) );\r
-\r
- } else {\r
-\r
- spherical.theta = ( spherical.theta > ( min + max ) / 2 ) ?\r
- Math.max( min, spherical.theta ) :\r
- Math.min( max, spherical.theta );\r
-\r
- }\r
-\r
- }\r
-\r
- // restrict phi to be between desired limits\r
- spherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );\r
-\r
- spherical.makeSafe();\r
-\r
-\r
- spherical.radius *= scale;\r
-\r
- // restrict radius to be between desired limits\r
- spherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );\r
-\r
- // move target to panned location\r
-\r
- if ( scope.enableDamping === true ) {\r
-\r
- scope.target.addScaledVector( panOffset, scope.dampingFactor );\r
-\r
- } else {\r
-\r
- scope.target.add( panOffset );\r
-\r
- }\r
-\r
- offset.setFromSpherical( spherical );\r
-\r
- // rotate offset back to "camera-up-vector-is-up" space\r
- offset.applyQuaternion( quatInverse );\r
-\r
- position.copy( scope.target ).add( offset );\r
-\r
- scope.object.lookAt( scope.target );\r
-\r
- if ( scope.enableDamping === true ) {\r
-\r
- sphericalDelta.theta *= ( 1 - scope.dampingFactor );\r
- sphericalDelta.phi *= ( 1 - scope.dampingFactor );\r
-\r
- panOffset.multiplyScalar( 1 - scope.dampingFactor );\r
-\r
- } else {\r
-\r
- sphericalDelta.set( 0, 0, 0 );\r
-\r
- panOffset.set( 0, 0, 0 );\r
-\r
- }\r
-\r
- scale = 1;\r
-\r
- // update condition is:\r
- // min(camera displacement, camera rotation in radians)^2 > EPS\r
- // using small-angle approximation cos(x/2) = 1 - x^2 / 8\r
-\r
- if ( zoomChanged ||\r
- lastPosition.distanceToSquared( scope.object.position ) > EPS ||\r
- 8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {\r
-\r
- scope.dispatchEvent( changeEvent );\r
-\r
- lastPosition.copy( scope.object.position );\r
- lastQuaternion.copy( scope.object.quaternion );\r
- zoomChanged = false;\r
-\r
- return true;\r
-\r
- }\r
-\r
- return false;\r
-\r
- };\r
-\r
- }();\r
-\r
- this.dispose = function () {\r
-\r
- scope.domElement.removeEventListener( 'contextmenu', onContextMenu );\r
-\r
- scope.domElement.removeEventListener( 'pointerdown', onPointerDown );\r
- scope.domElement.removeEventListener( 'wheel', onMouseWheel );\r
-\r
- scope.domElement.removeEventListener( 'touchstart', onTouchStart );\r
- scope.domElement.removeEventListener( 'touchend', onTouchEnd );\r
- scope.domElement.removeEventListener( 'touchmove', onTouchMove );\r
-\r
- scope.domElement.ownerDocument.removeEventListener( 'pointermove', onPointerMove );\r
- scope.domElement.ownerDocument.removeEventListener( 'pointerup', onPointerUp );\r
-\r
-\r
- if ( scope._domElementKeyEvents !== null ) {\r
-\r
- scope._domElementKeyEvents.removeEventListener( 'keydown', onKeyDown );\r
-\r
- }\r
-\r
- //scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?\r
-\r
- };\r
-\r
- //\r
- // internals\r
- //\r
-\r
- var scope = this;\r
-\r
- var changeEvent = { type: 'change' };\r
- var startEvent = { type: 'start' };\r
- var endEvent = { type: 'end' };\r
-\r
- var STATE = {\r
- NONE: - 1,\r
- ROTATE: 0,\r
- DOLLY: 1,\r
- PAN: 2,\r
- TOUCH_ROTATE: 3,\r
- TOUCH_PAN: 4,\r
- TOUCH_DOLLY_PAN: 5,\r
- TOUCH_DOLLY_ROTATE: 6\r
- };\r
-\r
- var state = STATE.NONE;\r
-\r
- var EPS = 0.000001;\r
-\r
- // current position in spherical coordinates\r
- var spherical = new Spherical();\r
- var sphericalDelta = new Spherical();\r
-\r
- var scale = 1;\r
- var panOffset = new Vector3();\r
- var zoomChanged = false;\r
-\r
- var rotateStart = new Vector2();\r
- var rotateEnd = new Vector2();\r
- var rotateDelta = new Vector2();\r
-\r
- var panStart = new Vector2();\r
- var panEnd = new Vector2();\r
- var panDelta = new Vector2();\r
-\r
- var dollyStart = new Vector2();\r
- var dollyEnd = new Vector2();\r
- var dollyDelta = new Vector2();\r
-\r
- function getAutoRotationAngle() {\r
-\r
- return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;\r
-\r
- }\r
-\r
- function getZoomScale() {\r
-\r
- return Math.pow( 0.95, scope.zoomSpeed );\r
-\r
- }\r
-\r
- function rotateLeft( angle ) {\r
-\r
- sphericalDelta.theta -= angle;\r
-\r
- }\r
-\r
- function rotateUp( angle ) {\r
-\r
- sphericalDelta.phi -= angle;\r
-\r
- }\r
-\r
- var panLeft = function () {\r
-\r
- var v = new Vector3();\r
-\r
- return function panLeft( distance, objectMatrix ) {\r
-\r
- v.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix\r
- v.multiplyScalar( - distance );\r
-\r
- panOffset.add( v );\r
-\r
- };\r
-\r
- }();\r
-\r
- var panUp = function () {\r
-\r
- var v = new Vector3();\r
-\r
- return function panUp( distance, objectMatrix ) {\r
-\r
- if ( scope.screenSpacePanning === true ) {\r
-\r
- v.setFromMatrixColumn( objectMatrix, 1 );\r
-\r
- } else {\r
-\r
- v.setFromMatrixColumn( objectMatrix, 0 );\r
- v.crossVectors( scope.object.up, v );\r
-\r
- }\r
-\r
- v.multiplyScalar( distance );\r
-\r
- panOffset.add( v );\r
-\r
- };\r
-\r
- }();\r
-\r
- // deltaX and deltaY are in pixels; right and down are positive\r
- var pan = function () {\r
-\r
- var offset = new Vector3();\r
-\r
- return function pan( deltaX, deltaY ) {\r
-\r
- var element = scope.domElement;\r
-\r
- if ( scope.object.isPerspectiveCamera ) {\r
-\r
- // perspective\r
- var position = scope.object.position;\r
- offset.copy( position ).sub( scope.target );\r
- var targetDistance = offset.length();\r
-\r
- // half of the fov is center to top of screen\r
- targetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );\r
-\r
- // we use only clientHeight here so aspect ratio does not distort speed\r
- panLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );\r
- panUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );\r
-\r
- } else if ( scope.object.isOrthographicCamera ) {\r
-\r
- // orthographic\r
- panLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );\r
- panUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );\r
-\r
- } else {\r
-\r
- // camera neither orthographic nor perspective\r
- console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );\r
- scope.enablePan = false;\r
-\r
- }\r
-\r
- };\r
-\r
- }();\r
-\r
- function dollyOut( dollyScale ) {\r
-\r
- if ( scope.object.isPerspectiveCamera ) {\r
-\r
- scale /= dollyScale;\r
-\r
- } else if ( scope.object.isOrthographicCamera ) {\r
-\r
- scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );\r
- scope.object.updateProjectionMatrix();\r
- zoomChanged = true;\r
-\r
- } else {\r
-\r
- console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\r
- scope.enableZoom = false;\r
-\r
- }\r
-\r
- }\r
-\r
- function dollyIn( dollyScale ) {\r
-\r
- if ( scope.object.isPerspectiveCamera ) {\r
-\r
- scale *= dollyScale;\r
-\r
- } else if ( scope.object.isOrthographicCamera ) {\r
-\r
- scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );\r
- scope.object.updateProjectionMatrix();\r
- zoomChanged = true;\r
-\r
- } else {\r
-\r
- console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );\r
- scope.enableZoom = false;\r
-\r
- }\r
-\r
- }\r
-\r
- //\r
- // event callbacks - update the object state\r
- //\r
-\r
- function handleMouseDownRotate( event ) {\r
-\r
- rotateStart.set( event.clientX, event.clientY );\r
-\r
- }\r
-\r
- function handleMouseDownDolly( event ) {\r
-\r
- dollyStart.set( event.clientX, event.clientY );\r
-\r
- }\r
-\r
- function handleMouseDownPan( event ) {\r
-\r
- panStart.set( event.clientX, event.clientY );\r
-\r
- }\r
-\r
- function handleMouseMoveRotate( event ) {\r
-\r
- rotateEnd.set( event.clientX, event.clientY );\r
-\r
- rotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );\r
-\r
- var element = scope.domElement;\r
-\r
- rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height\r
-\r
- rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );\r
-\r
- rotateStart.copy( rotateEnd );\r
-\r
- scope.update();\r
-\r
- }\r
-\r
- function handleMouseMoveDolly( event ) {\r
-\r
- dollyEnd.set( event.clientX, event.clientY );\r
-\r
- dollyDelta.subVectors( dollyEnd, dollyStart );\r
-\r
- if ( dollyDelta.y > 0 ) {\r
-\r
- dollyOut( getZoomScale() );\r
-\r
- } else if ( dollyDelta.y < 0 ) {\r
-\r
- dollyIn( getZoomScale() );\r
-\r
- }\r
-\r
- dollyStart.copy( dollyEnd );\r
-\r
- scope.update();\r
-\r
- }\r
-\r
- function handleMouseMovePan( event ) {\r
-\r
- panEnd.set( event.clientX, event.clientY );\r
-\r
- panDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );\r
-\r
- pan( panDelta.x, panDelta.y );\r
-\r
- panStart.copy( panEnd );\r
-\r
- scope.update();\r
-\r
- }\r
-\r
- function handleMouseUp( /*event*/ ) {\r
-\r
- // no-op\r
-\r
- }\r
-\r
- function handleMouseWheel( event ) {\r
-\r
- if ( event.deltaY < 0 ) {\r
-\r
- dollyIn( getZoomScale() );\r
-\r
- } else if ( event.deltaY > 0 ) {\r
-\r
- dollyOut( getZoomScale() );\r
-\r
- }\r
-\r
- scope.update();\r
-\r
- }\r
-\r
- function handleKeyDown( event ) {\r
-\r
- var needsUpdate = false;\r
-\r
- switch ( event.keyCode ) {\r
-\r
- case scope.keys.UP:\r
- pan( 0, scope.keyPanSpeed );\r
- needsUpdate = true;\r
- break;\r
-\r
- case scope.keys.BOTTOM:\r
- pan( 0, - scope.keyPanSpeed );\r
- needsUpdate = true;\r
- break;\r
-\r
- case scope.keys.LEFT:\r
- pan( scope.keyPanSpeed, 0 );\r
- needsUpdate = true;\r
- break;\r
-\r
- case scope.keys.RIGHT:\r
- pan( - scope.keyPanSpeed, 0 );\r
- needsUpdate = true;\r
- break;\r
-\r
- }\r
-\r
- if ( needsUpdate ) {\r
-\r
- // prevent the browser from scrolling on cursor keys\r
- event.preventDefault();\r
-\r
- scope.update();\r
-\r
- }\r
-\r
-\r
- }\r
-\r
- function handleTouchStartRotate( event ) {\r
-\r
- if ( event.touches.length == 1 ) {\r
-\r
- rotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\r
-\r
- } else {\r
-\r
- var x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX );\r
- var y = 0.5 * ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY );\r
-\r
- rotateStart.set( x, y );\r
-\r
- }\r
-\r
- }\r
-\r
- function handleTouchStartPan( event ) {\r
-\r
- if ( event.touches.length == 1 ) {\r
-\r
- panStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\r
-\r
- } else {\r
-\r
- var x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX );\r
- var y = 0.5 * ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY );\r
-\r
- panStart.set( x, y );\r
-\r
- }\r
-\r
- }\r
-\r
- function handleTouchStartDolly( event ) {\r
-\r
- var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\r
- var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\r
-\r
- var distance = Math.sqrt( dx * dx + dy * dy );\r
-\r
- dollyStart.set( 0, distance );\r
-\r
- }\r
-\r
- function handleTouchStartDollyPan( event ) {\r
-\r
- if ( scope.enableZoom ) handleTouchStartDolly( event );\r
-\r
- if ( scope.enablePan ) handleTouchStartPan( event );\r
-\r
- }\r
-\r
- function handleTouchStartDollyRotate( event ) {\r
-\r
- if ( scope.enableZoom ) handleTouchStartDolly( event );\r
-\r
- if ( scope.enableRotate ) handleTouchStartRotate( event );\r
-\r
- }\r
-\r
- function handleTouchMoveRotate( event ) {\r
-\r
- if ( event.touches.length == 1 ) {\r
-\r
- rotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\r
-\r
- } else {\r
-\r
- var x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX );\r
- var y = 0.5 * ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY );\r
-\r
- rotateEnd.set( x, y );\r
-\r
- }\r
-\r
- rotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );\r
-\r
- var element = scope.domElement;\r
-\r
- rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height\r
-\r
- rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );\r
-\r
- rotateStart.copy( rotateEnd );\r
-\r
- }\r
-\r
- function handleTouchMovePan( event ) {\r
-\r
- if ( event.touches.length == 1 ) {\r
-\r
- panEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );\r
-\r
- } else {\r
-\r
- var x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX );\r
- var y = 0.5 * ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY );\r
-\r
- panEnd.set( x, y );\r
-\r
- }\r
-\r
- panDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );\r
-\r
- pan( panDelta.x, panDelta.y );\r
-\r
- panStart.copy( panEnd );\r
-\r
- }\r
-\r
- function handleTouchMoveDolly( event ) {\r
-\r
- var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;\r
- var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;\r
-\r
- var distance = Math.sqrt( dx * dx + dy * dy );\r
-\r
- dollyEnd.set( 0, distance );\r
-\r
- dollyDelta.set( 0, Math.pow( dollyEnd.y / dollyStart.y, scope.zoomSpeed ) );\r
-\r
- dollyOut( dollyDelta.y );\r
-\r
- dollyStart.copy( dollyEnd );\r
-\r
- }\r
-\r
- function handleTouchMoveDollyPan( event ) {\r
-\r
- if ( scope.enableZoom ) handleTouchMoveDolly( event );\r
-\r
- if ( scope.enablePan ) handleTouchMovePan( event );\r
-\r
- }\r
-\r
- function handleTouchMoveDollyRotate( event ) {\r
-\r
- if ( scope.enableZoom ) handleTouchMoveDolly( event );\r
-\r
- if ( scope.enableRotate ) handleTouchMoveRotate( event );\r
-\r
- }\r
-\r
- function handleTouchEnd( /*event*/ ) {\r
-\r
- // no-op\r
-\r
- }\r
-\r
- //\r
- // event handlers - FSM: listen for events and reset state\r
- //\r
-\r
- function onPointerDown( event ) {\r
-\r
- if ( scope.enabled === false ) return;\r
-\r
- switch ( event.pointerType ) {\r
-\r
- case 'mouse':\r
- case 'pen':\r
- onMouseDown( event );\r
- break;\r
-\r
- // TODO touch\r
-\r
- }\r
-\r
- }\r
-\r
- function onPointerMove( event ) {\r
-\r
- if ( scope.enabled === false ) return;\r
-\r
- switch ( event.pointerType ) {\r
-\r
- case 'mouse':\r
- case 'pen':\r
- onMouseMove( event );\r
- break;\r
-\r
- // TODO touch\r
-\r
- }\r
-\r
- }\r
-\r
- function onPointerUp( event ) {\r
-\r
- switch ( event.pointerType ) {\r
-\r
- case 'mouse':\r
- case 'pen':\r
- onMouseUp( event );\r
- break;\r
-\r
- // TODO touch\r
-\r
- }\r
-\r
- }\r
-\r
- function onMouseDown( event ) {\r
-\r
- // Prevent the browser from scrolling.\r
- event.preventDefault();\r
-\r
- // Manually set the focus since calling preventDefault above\r
- // prevents the browser from setting it automatically.\r
-\r
- scope.domElement.focus ? scope.domElement.focus() : window.focus();\r
-\r
- var mouseAction;\r
-\r
- switch ( event.button ) {\r
-\r
- case 0:\r
-\r
- mouseAction = scope.mouseButtons.LEFT;\r
- break;\r
-\r
- case 1:\r
-\r
- mouseAction = scope.mouseButtons.MIDDLE;\r
- break;\r
-\r
- case 2:\r
-\r
- mouseAction = scope.mouseButtons.RIGHT;\r
- break;\r
-\r
- default:\r
-\r
- mouseAction = - 1;\r
-\r
- }\r
-\r
- switch ( mouseAction ) {\r
-\r
- case MOUSE.DOLLY:\r
-\r
- if ( scope.enableZoom === false ) return;\r
-\r
- handleMouseDownDolly( event );\r
-\r
- state = STATE.DOLLY;\r
-\r
- break;\r
-\r
- case MOUSE.ROTATE:\r
-\r
- if ( event.ctrlKey || event.metaKey || event.shiftKey ) {\r
-\r
- if ( scope.enablePan === false ) return;\r
-\r
- handleMouseDownPan( event );\r
-\r
- state = STATE.PAN;\r
-\r
- } else {\r
-\r
- if ( scope.enableRotate === false ) return;\r
-\r
- handleMouseDownRotate( event );\r
-\r
- state = STATE.ROTATE;\r
-\r
- }\r
-\r
- break;\r
-\r
- case MOUSE.PAN:\r
-\r
- if ( event.ctrlKey || event.metaKey || event.shiftKey ) {\r
-\r
- if ( scope.enableRotate === false ) return;\r
-\r
- handleMouseDownRotate( event );\r
-\r
- state = STATE.ROTATE;\r
-\r
- } else {\r
-\r
- if ( scope.enablePan === false ) return;\r
-\r
- handleMouseDownPan( event );\r
-\r
- state = STATE.PAN;\r
-\r
- }\r
-\r
- break;\r
-\r
- default:\r
-\r
- state = STATE.NONE;\r
-\r
- }\r
-\r
- if ( state !== STATE.NONE ) {\r
-\r
- scope.domElement.ownerDocument.addEventListener( 'pointermove', onPointerMove );\r
- scope.domElement.ownerDocument.addEventListener( 'pointerup', onPointerUp );\r
-\r
- scope.dispatchEvent( startEvent );\r
-\r
- }\r
-\r
- }\r
-\r
- function onMouseMove( event ) {\r
-\r
- if ( scope.enabled === false ) return;\r
-\r
- event.preventDefault();\r
-\r
- switch ( state ) {\r
-\r
- case STATE.ROTATE:\r
-\r
- if ( scope.enableRotate === false ) return;\r
-\r
- handleMouseMoveRotate( event );\r
-\r
- break;\r
-\r
- case STATE.DOLLY:\r
-\r
- if ( scope.enableZoom === false ) return;\r
-\r
- handleMouseMoveDolly( event );\r
-\r
- break;\r
-\r
- case STATE.PAN:\r
-\r
- if ( scope.enablePan === false ) return;\r
-\r
- handleMouseMovePan( event );\r
-\r
- break;\r
-\r
- }\r
-\r
- }\r
-\r
- function onMouseUp( event ) {\r
-\r
- scope.domElement.ownerDocument.removeEventListener( 'pointermove', onPointerMove );\r
- scope.domElement.ownerDocument.removeEventListener( 'pointerup', onPointerUp );\r
-\r
- if ( scope.enabled === false ) return;\r
-\r
- handleMouseUp( event );\r
-\r
- scope.dispatchEvent( endEvent );\r
-\r
- state = STATE.NONE;\r
-\r
- }\r
-\r
- function onMouseWheel( event ) {\r
-\r
- if ( scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE ) ) return;\r
-\r
- event.preventDefault();\r
- event.stopPropagation();\r
-\r
- scope.dispatchEvent( startEvent );\r
-\r
- handleMouseWheel( event );\r
-\r
- scope.dispatchEvent( endEvent );\r
-\r
- }\r
-\r
- function onKeyDown( event ) {\r
-\r
- if ( scope.enabled === false || scope.enablePan === false ) return;\r
-\r
- handleKeyDown( event );\r
-\r
- }\r
-\r
- function onTouchStart( event ) {\r
-\r
- if ( scope.enabled === false ) return;\r
-\r
- event.preventDefault(); // prevent scrolling\r
-\r
- switch ( event.touches.length ) {\r
-\r
- case 1:\r
-\r
- switch ( scope.touches.ONE ) {\r
-\r
- case TOUCH.ROTATE:\r
-\r
- if ( scope.enableRotate === false ) return;\r
-\r
- handleTouchStartRotate( event );\r
-\r
- state = STATE.TOUCH_ROTATE;\r
-\r
- break;\r
-\r
- case TOUCH.PAN:\r
-\r
- if ( scope.enablePan === false ) return;\r
-\r
- handleTouchStartPan( event );\r
-\r
- state = STATE.TOUCH_PAN;\r
-\r
- break;\r
-\r
- default:\r
-\r
- state = STATE.NONE;\r
-\r
- }\r
-\r
- break;\r
-\r
- case 2:\r
-\r
- switch ( scope.touches.TWO ) {\r
-\r
- case TOUCH.DOLLY_PAN:\r
-\r
- if ( scope.enableZoom === false && scope.enablePan === false ) return;\r
-\r
- handleTouchStartDollyPan( event );\r
-\r
- state = STATE.TOUCH_DOLLY_PAN;\r
-\r
- break;\r
-\r
- case TOUCH.DOLLY_ROTATE:\r
-\r
- if ( scope.enableZoom === false && scope.enableRotate === false ) return;\r
-\r
- handleTouchStartDollyRotate( event );\r
-\r
- state = STATE.TOUCH_DOLLY_ROTATE;\r
-\r
- break;\r
-\r
- default:\r
-\r
- state = STATE.NONE;\r
-\r
- }\r
-\r
- break;\r
-\r
- default:\r
-\r
- state = STATE.NONE;\r
-\r
- }\r
-\r
- if ( state !== STATE.NONE ) {\r
-\r
- scope.dispatchEvent( startEvent );\r
-\r
- }\r
-\r
- }\r
-\r
- function onTouchMove( event ) {\r
-\r
- if ( scope.enabled === false ) return;\r
-\r
- event.preventDefault(); // prevent scrolling\r
- event.stopPropagation();\r
-\r
- switch ( state ) {\r
-\r
- case STATE.TOUCH_ROTATE:\r
-\r
- if ( scope.enableRotate === false ) return;\r
-\r
- handleTouchMoveRotate( event );\r
-\r
- scope.update();\r
-\r
- break;\r
-\r
- case STATE.TOUCH_PAN:\r
-\r
- if ( scope.enablePan === false ) return;\r
-\r
- handleTouchMovePan( event );\r
-\r
- scope.update();\r
-\r
- break;\r
-\r
- case STATE.TOUCH_DOLLY_PAN:\r
-\r
- if ( scope.enableZoom === false && scope.enablePan === false ) return;\r
-\r
- handleTouchMoveDollyPan( event );\r
-\r
- scope.update();\r
-\r
- break;\r
-\r
- case STATE.TOUCH_DOLLY_ROTATE:\r
-\r
- if ( scope.enableZoom === false && scope.enableRotate === false ) return;\r
-\r
- handleTouchMoveDollyRotate( event );\r
-\r
- scope.update();\r
-\r
- break;\r
-\r
- default:\r
-\r
- state = STATE.NONE;\r
-\r
- }\r
-\r
- }\r
-\r
- function onTouchEnd( event ) {\r
-\r
- if ( scope.enabled === false ) return;\r
-\r
- handleTouchEnd( event );\r
-\r
- scope.dispatchEvent( endEvent );\r
-\r
- state = STATE.NONE;\r
-\r
- }\r
-\r
- function onContextMenu( event ) {\r
-\r
- if ( scope.enabled === false ) return;\r
-\r
- event.preventDefault();\r
-\r
- }\r
-\r
- //\r
-\r
- scope.domElement.addEventListener( 'contextmenu', onContextMenu );\r
-\r
- scope.domElement.addEventListener( 'pointerdown', onPointerDown );\r
- scope.domElement.addEventListener( 'wheel', onMouseWheel );\r
-\r
- scope.domElement.addEventListener( 'touchstart', onTouchStart );\r
- scope.domElement.addEventListener( 'touchend', onTouchEnd );\r
- scope.domElement.addEventListener( 'touchmove', onTouchMove );\r
-\r
- // force an update at start\r
-\r
- this.update();\r
-\r
-};\r
-\r
-OrbitControls.prototype = Object.create( EventDispatcher.prototype );\r
-OrbitControls.prototype.constructor = OrbitControls;\r
-\r
-\r
-// This set of controls performs orbiting, dollying (zooming), and panning.\r
-// Unlike TrackballControls, it maintains the "up" direction object.up (+Y by default).\r
-// This is very similar to OrbitControls, another set of touch behavior\r
-//\r
-// Orbit - right mouse, or left mouse + ctrl/meta/shiftKey / touch: two-finger rotate\r
-// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish\r
-// Pan - left mouse, or arrow keys / touch: one-finger move\r
-\r
-var MapControls = function ( object, domElement ) {\r
-\r
- OrbitControls.call( this, object, domElement );\r
-\r
- this.screenSpacePanning = false; // pan orthogonal to world-space direction camera.up\r
-\r
- this.mouseButtons.LEFT = MOUSE.PAN;\r
- this.mouseButtons.RIGHT = MOUSE.ROTATE;\r
-\r
- this.touches.ONE = TOUCH.PAN;\r
- this.touches.TWO = TOUCH.DOLLY_ROTATE;\r
-\r
-};\r
-\r
-MapControls.prototype = Object.create( EventDispatcher.prototype );\r
-MapControls.prototype.constructor = MapControls;\r
-\r
-export { OrbitControls, MapControls };
\ No newline at end of file
+// This set of controls performs orbiting, dollying (zooming), and panning.
+// 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
+
+THREE.OrbitControls = function ( object, domElement ) {
+
+ 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: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };
+
+ // 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 () {
+
+ 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().invert();
+
+ var lastPosition = new THREE.Vector3();
+ var lastQuaternion = new THREE.Quaternion();
+
+ var twoPI = 2 * Math.PI;
+
+ return function update() {
+
+ var 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
+
+ var min = scope.minAzimuthAngle;
+ var 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
+ //
+
+ 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 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 ); // get X column of objectMatrix
+ 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 );
+
+ };
+
+ }();
+
+ // deltaX and deltaY are in pixels; right and down are positive
+ var pan = function () {
+
+ var offset = new THREE.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: 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 );
+
+ 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 ) {
+
+ 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( /*event*/ ) {
+
+ // no-op
+
+ }
+
+ function handleMouseWheel( event ) {
+
+ if ( event.deltaY < 0 ) {
+
+ dollyIn( getZoomScale() );
+
+ } else if ( event.deltaY > 0 ) {
+
+ dollyOut( 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 ) );
+
+ 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( /*event*/ ) {
+
+ // 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();
+
+ 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 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();
+ event.stopPropagation();
+
+ 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
+ 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 );
+
+ scope.domElement.addEventListener( 'pointerdown', onPointerDown );
+ scope.domElement.addEventListener( 'wheel', onMouseWheel );
+
+ scope.domElement.addEventListener( 'touchstart', onTouchStart );
+ scope.domElement.addEventListener( 'touchend', onTouchEnd );
+ scope.domElement.addEventListener( 'touchmove', onTouchMove );
+
+ // force an update at start
+
+ this.update();
+
+};
+
+THREE.OrbitControls.prototype = Object.create( THREE.EventDispatcher.prototype );
+THREE.OrbitControls.prototype.constructor = THREE.OrbitControls;
+
+
+// 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
+
+THREE.MapControls = function ( object, domElement ) {
+
+ THREE.OrbitControls.call( this, 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.prototype = Object.create( THREE.EventDispatcher.prototype );
+THREE.MapControls.prototype.constructor = THREE.MapControls;
projects / cloth_sim / blobdiff