From 6fa07647f5d2558ca5bc5bd5675dec7609fab883 Mon Sep 17 00:00:00 2001 From: bwlewis Date: Mon, 26 Jun 2017 21:55:49 -0400 Subject: [PATCH] Experiments with OrbitControls and TrackballControls; updated TrackballControls --- .../lib/threejs-85/OrbitControls.js | 1132 ++++++++--------- .../lib/threejs-85/TrackballControls.js | 951 +++++++++----- inst/htmlwidgets/scatterplotThree.js | 20 +- 3 files changed, 1193 insertions(+), 910 deletions(-) diff --git a/inst/htmlwidgets/lib/threejs-85/OrbitControls.js b/inst/htmlwidgets/lib/threejs-85/OrbitControls.js index 4d75aac..df03021 100644 --- a/inst/htmlwidgets/lib/threejs-85/OrbitControls.js +++ b/inst/htmlwidgets/lib/threejs-85/OrbitControls.js @@ -15,875 +15,875 @@ THREE.OrbitControls = function ( object, domElement ) { - this.object = object; + this.object = object; - this.domElement = ( domElement !== undefined ) ? domElement : document; + this.domElement = ( domElement !== undefined ) ? domElement : document; - // Set to false to disable this control - this.enabled = true; + // 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(); + // "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 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 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 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 + // 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; + // 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; - // 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; + // 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 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 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 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; + // 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 }; + // 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 }; + // Mouse buttons + this.mouseButtons = { ORBIT: THREE.MOUSE.LEFT, ZOOM: THREE.MOUSE.MIDDLE, PAN: THREE.MOUSE.RIGHT }; - // for reset - this.target0 = this.target.clone(); - this.position0 = this.object.position.clone(); - this.zoom0 = this.object.zoom; + // for reset + this.target0 = this.target.clone(); + this.position0 = this.object.position.clone(); + this.zoom0 = this.object.zoom; - // - // public methods - // + // + // public methods + // - this.getPolarAngle = function () { + this.getPolarAngle = function () { - return spherical.phi; + return spherical.phi; - }; + }; - this.getAzimuthalAngle = function () { + this.getAzimuthalAngle = function () { - return spherical.theta; + return spherical.theta; - }; + }; - this.reset = function () { + this.reset = function () { - scope.target.copy( scope.target0 ); - scope.object.position.copy( scope.position0 ); - scope.object.zoom = scope.zoom0; + scope.target.copy( scope.target0 ); + scope.object.position.copy( scope.position0 ); + scope.object.zoom = scope.zoom0; - scope.object.updateProjectionMatrix(); - scope.dispatchEvent( changeEvent ); + scope.object.updateProjectionMatrix(); + scope.dispatchEvent( changeEvent ); - scope.update(); + scope.update(); - state = STATE.NONE; + state = STATE.NONE; - }; + }; - // this method is exposed, but perhaps it would be better if we can make it private... - this.update = function () { + // this method is exposed, but perhaps it would be better if we can make it private... + this.update = function () { - var offset = new THREE.Vector3(); + 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(); + // 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(); + var lastPosition = new THREE.Vector3(); + var lastQuaternion = new THREE.Quaternion(); - return function update() { + return function update() { - var position = scope.object.position; + var position = scope.object.position; - offset.copy( position ).sub( scope.target ); + offset.copy( position ).sub( scope.target ); - // rotate offset to "y-axis-is-up" space - offset.applyQuaternion( quat ); + // rotate offset to "y-axis-is-up" space + offset.applyQuaternion( quat ); - // angle from z-axis around y-axis - spherical.setFromVector3( offset ); + // angle from z-axis around y-axis + spherical.setFromVector3( offset ); - if ( scope.autoRotate && state === STATE.NONE ) { + if ( scope.autoRotate && state === STATE.NONE ) { - rotateLeft( getAutoRotationAngle() ); + rotateLeft( getAutoRotationAngle() ); - } + } - spherical.theta += sphericalDelta.theta; - spherical.phi += sphericalDelta.phi; + spherical.theta += sphericalDelta.theta; + spherical.phi += sphericalDelta.phi; - // restrict theta to be between desired limits - spherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) ); + // restrict theta to be between desired limits + spherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) ); - // restrict phi to be between desired limits - spherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) ); + // restrict phi to be between desired limits + spherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) ); - spherical.makeSafe(); + spherical.makeSafe(); - spherical.radius *= scale; + spherical.radius *= scale; - // restrict radius to be between desired limits - spherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) ); + // restrict radius to be between desired limits + spherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) ); - // move target to panned location - scope.target.add( panOffset ); + // move target to panned location + scope.target.add( panOffset ); - offset.setFromSpherical( spherical ); + offset.setFromSpherical( spherical ); - // rotate offset back to "camera-up-vector-is-up" space - offset.applyQuaternion( quatInverse ); + // rotate offset back to "camera-up-vector-is-up" space + offset.applyQuaternion( quatInverse ); - position.copy( scope.target ).add( offset ); + position.copy( scope.target ).add( offset ); - scope.object.lookAt( scope.target ); + scope.object.lookAt( scope.target ); - if ( scope.enableDamping === true ) { + if ( scope.enableDamping === true ) { - sphericalDelta.theta *= ( 1 - scope.dampingFactor ); - sphericalDelta.phi *= ( 1 - scope.dampingFactor ); + sphericalDelta.theta *= ( 1 - scope.dampingFactor ); + sphericalDelta.phi *= ( 1 - scope.dampingFactor ); - } else { + } else { - sphericalDelta.set( 0, 0, 0 ); + sphericalDelta.set( 0, 0, 0 ); - } + } - scale = 1; - panOffset.set( 0, 0, 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 + // 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 ) { + if ( zoomChanged || + lastPosition.distanceToSquared( scope.object.position ) > EPS || + 8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) { - scope.dispatchEvent( changeEvent ); + scope.dispatchEvent( changeEvent ); - lastPosition.copy( scope.object.position ); - lastQuaternion.copy( scope.object.quaternion ); - zoomChanged = false; + lastPosition.copy( scope.object.position ); + lastQuaternion.copy( scope.object.quaternion ); + zoomChanged = false; - return true; + return true; - } + } - return false; + return false; - }; + }; - }(); + }(); - this.dispose = function () { + this.dispose = function () { - scope.domElement.removeEventListener( 'contextmenu', onContextMenu, false ); - scope.domElement.removeEventListener( 'mousedown', onMouseDown, false ); - scope.domElement.removeEventListener( 'wheel', onMouseWheel, false ); + scope.domElement.removeEventListener( 'contextmenu', onContextMenu, false ); + scope.domElement.removeEventListener( 'mousedown', onMouseDown, false ); + scope.domElement.removeEventListener( 'wheel', onMouseWheel, false ); - scope.domElement.removeEventListener( 'touchstart', onTouchStart, false ); - scope.domElement.removeEventListener( 'touchend', onTouchEnd, false ); - scope.domElement.removeEventListener( 'touchmove', onTouchMove, false ); + scope.domElement.removeEventListener( 'touchstart', onTouchStart, false ); + scope.domElement.removeEventListener( 'touchend', onTouchEnd, false ); + scope.domElement.removeEventListener( 'touchmove', onTouchMove, false ); - document.removeEventListener( 'mousemove', onMouseMove, false ); - document.removeEventListener( 'mouseup', onMouseUp, false ); + document.removeEventListener( 'mousemove', onMouseMove, false ); + document.removeEventListener( 'mouseup', onMouseUp, false ); - window.removeEventListener( 'keydown', onKeyDown, false ); + window.removeEventListener( 'keydown', onKeyDown, false ); - //scope.dispatchEvent( { type: 'dispose' } ); // should this be added here? + //scope.dispatchEvent( { type: 'dispose' } ); // should this be added here? - }; + }; - // - // internals - // + // + // internals + // - var scope = this; + var scope = this; - var changeEvent = { type: 'change' }; - var startEvent = { type: 'start' }; - var endEvent = { type: 'end' }; + var changeEvent = { type: 'change' }; + var startEvent = { type: 'start' }; + var endEvent = { type: 'end' }; - var STATE = { NONE: - 1, ROTATE: 0, DOLLY: 1, PAN: 2, TOUCH_ROTATE: 3, TOUCH_DOLLY: 4, TOUCH_PAN: 5 }; + var STATE = { NONE: - 1, ROTATE: 0, DOLLY: 1, PAN: 2, TOUCH_ROTATE: 3, TOUCH_DOLLY: 4, TOUCH_PAN: 5 }; - var state = STATE.NONE; + var state = STATE.NONE; - var EPS = 0.000001; + var EPS = 0.000001; - // current position in spherical coordinates - var spherical = new THREE.Spherical(); - var sphericalDelta = new THREE.Spherical(); + // 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 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 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 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 dollyStart = new THREE.Vector2(); + var dollyEnd = new THREE.Vector2(); + var dollyDelta = new THREE.Vector2(); - function getAutoRotationAngle() { + function getAutoRotationAngle() { - return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed; + return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed; - } + } - function getZoomScale() { + function getZoomScale() { - return Math.pow( 0.95, scope.zoomSpeed ); + return Math.pow( 0.95, scope.zoomSpeed ); - } + } - function rotateLeft( angle ) { + function rotateLeft( angle ) { - sphericalDelta.theta -= angle; + sphericalDelta.theta -= angle; - } + } - function rotateUp( angle ) { + function rotateUp( angle ) { - sphericalDelta.phi -= angle; + sphericalDelta.phi -= angle; - } + } - var panLeft = function () { + var panLeft = function () { - var v = new THREE.Vector3(); + var v = new THREE.Vector3(); - return function panLeft( distance, objectMatrix ) { + return function panLeft( distance, objectMatrix ) { - v.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix - v.multiplyScalar( - distance ); + v.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix + v.multiplyScalar( - distance ); - panOffset.add( v ); + panOffset.add( v ); - }; + }; - }(); + }(); - var panUp = function () { + var panUp = function () { - var v = new THREE.Vector3(); + var v = new THREE.Vector3(); - return function panUp( distance, objectMatrix ) { + return function panUp( distance, objectMatrix ) { - v.setFromMatrixColumn( objectMatrix, 1 ); // get Y column of objectMatrix - v.multiplyScalar( distance ); + v.setFromMatrixColumn( objectMatrix, 1 ); // get Y column of objectMatrix + v.multiplyScalar( distance ); - panOffset.add( v ); + panOffset.add( v ); - }; + }; - }(); + }(); - // deltaX and deltaY are in pixels; right and down are positive - var pan = function () { + // deltaX and deltaY are in pixels; right and down are positive + var pan = function () { - var offset = new THREE.Vector3(); + var offset = new THREE.Vector3(); - return function pan( deltaX, deltaY ) { + return function pan( deltaX, deltaY ) { - var element = scope.domElement === document ? scope.domElement.body : scope.domElement; + var element = scope.domElement === document ? scope.domElement.body : scope.domElement; - if ( scope.object instanceof THREE.PerspectiveCamera ) { + if ( scope.object instanceof THREE.PerspectiveCamera ) { - // perspective - var position = scope.object.position; - offset.copy( position ).sub( scope.target ); - var targetDistance = offset.length(); + // 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 ); + // 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 - panLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix ); - panUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix ); + // we actually don't use screenWidth, since perspective camera is fixed to screen height + panLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix ); + panUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix ); - } else if ( scope.object instanceof THREE.OrthographicCamera ) { + } else if ( scope.object instanceof THREE.OrthographicCamera ) { - // 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 ); + // 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 { + } else { - // camera neither orthographic nor perspective - console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' ); - scope.enablePan = false; + // camera neither orthographic nor perspective + console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' ); + scope.enablePan = false; - } + } - }; + }; - }(); + }(); - function dollyIn( dollyScale ) { + function dollyIn( dollyScale ) { - if ( scope.object instanceof THREE.PerspectiveCamera ) { + if ( scope.object instanceof THREE.PerspectiveCamera ) { - scale /= dollyScale; + scale /= dollyScale; - } else if ( scope.object instanceof THREE.OrthographicCamera ) { + } else if ( scope.object instanceof THREE.OrthographicCamera ) { - scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) ); - scope.object.updateProjectionMatrix(); - zoomChanged = true; + scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) ); + scope.object.updateProjectionMatrix(); + zoomChanged = true; - } else { + } else { - console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' ); - scope.enableZoom = false; + console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' ); + scope.enableZoom = false; - } + } - } + } - function dollyOut( dollyScale ) { + function dollyOut( dollyScale ) { - if ( scope.object instanceof THREE.PerspectiveCamera ) { + if ( scope.object instanceof THREE.PerspectiveCamera ) { - scale *= dollyScale; + scale *= dollyScale; - } else if ( scope.object instanceof THREE.OrthographicCamera ) { + } else if ( scope.object instanceof THREE.OrthographicCamera ) { - scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) ); - scope.object.updateProjectionMatrix(); - zoomChanged = true; + scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) ); + scope.object.updateProjectionMatrix(); + zoomChanged = true; - } else { + } else { - console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' ); - scope.enableZoom = false; + console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' ); + scope.enableZoom = false; - } + } - } + } - // - // event callbacks - update the object state - // + // + // event callbacks - update the object state + // - function handleMouseDownRotate( event ) { + function handleMouseDownRotate( event ) { - //console.log( 'handleMouseDownRotate' ); + //console.log( 'handleMouseDownRotate' ); - rotateStart.set( event.clientX, event.clientY ); + rotateStart.set( event.clientX, event.clientY ); - } + } - function handleMouseDownDolly( event ) { + function handleMouseDownDolly( event ) { - //console.log( 'handleMouseDownDolly' ); + //console.log( 'handleMouseDownDolly' ); - dollyStart.set( event.clientX, event.clientY ); + dollyStart.set( event.clientX, event.clientY ); - } + } - function handleMouseDownPan( event ) { + function handleMouseDownPan( event ) { - //console.log( 'handleMouseDownPan' ); + //console.log( 'handleMouseDownPan' ); - panStart.set( event.clientX, event.clientY ); + panStart.set( event.clientX, event.clientY ); - } + } - function handleMouseMoveRotate( event ) { + function handleMouseMoveRotate( event ) { - //console.log( 'handleMouseMoveRotate' ); + //console.log( 'handleMouseMoveRotate' ); - rotateEnd.set( event.clientX, event.clientY ); - rotateDelta.subVectors( rotateEnd, rotateStart ); + rotateEnd.set( event.clientX, event.clientY ); + rotateDelta.subVectors( rotateEnd, rotateStart ); - var element = scope.domElement === document ? scope.domElement.body : scope.domElement; + var element = scope.domElement === document ? scope.domElement.body : scope.domElement; - // rotating across whole screen goes 360 degrees around - rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed ); + // rotating across whole screen goes 360 degrees around + 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 - rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed ); + // rotating up and down along whole screen attempts to go 360, but limited to 180 + rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed ); - rotateStart.copy( rotateEnd ); + rotateStart.copy( rotateEnd ); - scope.update(); + scope.update(); - } + } - function handleMouseMoveDolly( event ) { + function handleMouseMoveDolly( event ) { - //console.log( 'handleMouseMoveDolly' ); + //console.log( 'handleMouseMoveDolly' ); - dollyEnd.set( event.clientX, event.clientY ); + dollyEnd.set( event.clientX, event.clientY ); - dollyDelta.subVectors( dollyEnd, dollyStart ); + dollyDelta.subVectors( dollyEnd, dollyStart ); - if ( dollyDelta.y > 0 ) { + if ( dollyDelta.y > 0 ) { - dollyIn( getZoomScale() ); + dollyIn( getZoomScale() ); - } else if ( dollyDelta.y < 0 ) { + } else if ( dollyDelta.y < 0 ) { - dollyOut( getZoomScale() ); + dollyOut( getZoomScale() ); - } + } - dollyStart.copy( dollyEnd ); + dollyStart.copy( dollyEnd ); - scope.update(); + scope.update(); - } + } - function handleMouseMovePan( event ) { + function handleMouseMovePan( event ) { - //console.log( 'handleMouseMovePan' ); + //console.log( 'handleMouseMovePan' ); - panEnd.set( event.clientX, event.clientY ); + panEnd.set( event.clientX, event.clientY ); - panDelta.subVectors( panEnd, panStart ); + panDelta.subVectors( panEnd, panStart ); - pan( panDelta.x, panDelta.y ); + pan( panDelta.x, panDelta.y ); - panStart.copy( panEnd ); + panStart.copy( panEnd ); - scope.update(); + scope.update(); - } + } - function handleMouseUp( event ) { + function handleMouseUp( event ) { - // console.log( 'handleMouseUp' ); + // console.log( 'handleMouseUp' ); - } + } - function handleMouseWheel( event ) { + function handleMouseWheel( event ) { - // console.log( 'handleMouseWheel' ); + // console.log( 'handleMouseWheel' ); - if ( event.deltaY < 0 ) { + if ( event.deltaY < 0 ) { - dollyOut( getZoomScale() ); + dollyOut( getZoomScale() ); - } else if ( event.deltaY > 0 ) { + } else if ( event.deltaY > 0 ) { - dollyIn( getZoomScale() ); + dollyIn( getZoomScale() ); - } + } - scope.update(); + scope.update(); - } + } - function handleKeyDown( event ) { + function handleKeyDown( event ) { - //console.log( 'handleKeyDown' ); + //console.log( 'handleKeyDown' ); - switch ( event.keyCode ) { + switch ( event.keyCode ) { - case scope.keys.UP: - pan( 0, scope.keyPanSpeed ); - scope.update(); - break; + 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.BOTTOM: + pan( 0, - scope.keyPanSpeed ); + scope.update(); + break; - case scope.keys.LEFT: - pan( scope.keyPanSpeed, 0 ); - 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; + case scope.keys.RIGHT: + pan( - scope.keyPanSpeed, 0 ); + scope.update(); + break; - } + } - } + } - function handleTouchStartRotate( event ) { + function handleTouchStartRotate( event ) { - //console.log( 'handleTouchStartRotate' ); + //console.log( 'handleTouchStartRotate' ); - rotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); + rotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); - } + } - function handleTouchStartDolly( event ) { + function handleTouchStartDolly( event ) { - //console.log( 'handleTouchStartDolly' ); + //console.log( 'handleTouchStartDolly' ); - var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX; - var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY; + 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 ); + var distance = Math.sqrt( dx * dx + dy * dy ); - dollyStart.set( 0, distance ); + dollyStart.set( 0, distance ); - } + } - function handleTouchStartPan( event ) { + function handleTouchStartPan( event ) { - //console.log( 'handleTouchStartPan' ); + //console.log( 'handleTouchStartPan' ); - panStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); + panStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); - } + } - function handleTouchMoveRotate( event ) { + function handleTouchMoveRotate( event ) { - //console.log( 'handleTouchMoveRotate' ); + //console.log( 'handleTouchMoveRotate' ); - rotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); - rotateDelta.subVectors( rotateEnd, rotateStart ); + rotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); + rotateDelta.subVectors( rotateEnd, rotateStart ); - var element = scope.domElement === document ? scope.domElement.body : scope.domElement; + var element = scope.domElement === document ? scope.domElement.body : scope.domElement; - // rotating across whole screen goes 360 degrees around - rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed ); + // rotating across whole screen goes 360 degrees around + 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 - rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed ); + // rotating up and down along whole screen attempts to go 360, but limited to 180 + rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight * scope.rotateSpeed ); - rotateStart.copy( rotateEnd ); + rotateStart.copy( rotateEnd ); - scope.update(); + scope.update(); - } + } - function handleTouchMoveDolly( event ) { + function handleTouchMoveDolly( event ) { - //console.log( 'handleTouchMoveDolly' ); + //console.log( 'handleTouchMoveDolly' ); - var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX; - var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY; + 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 ); + var distance = Math.sqrt( dx * dx + dy * dy ); - dollyEnd.set( 0, distance ); + dollyEnd.set( 0, distance ); - dollyDelta.subVectors( dollyEnd, dollyStart ); + dollyDelta.subVectors( dollyEnd, dollyStart ); - if ( dollyDelta.y > 0 ) { + if ( dollyDelta.y > 0 ) { - dollyOut( getZoomScale() ); + dollyOut( getZoomScale() ); - } else if ( dollyDelta.y < 0 ) { + } else if ( dollyDelta.y < 0 ) { - dollyIn( getZoomScale() ); + dollyIn( getZoomScale() ); - } + } - dollyStart.copy( dollyEnd ); + dollyStart.copy( dollyEnd ); - scope.update(); + scope.update(); - } + } - function handleTouchMovePan( event ) { + function handleTouchMovePan( event ) { - //console.log( 'handleTouchMovePan' ); + //console.log( 'handleTouchMovePan' ); - panEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); + panEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ); - panDelta.subVectors( panEnd, panStart ); + panDelta.subVectors( panEnd, panStart ); - pan( panDelta.x, panDelta.y ); + pan( panDelta.x, panDelta.y ); - panStart.copy( panEnd ); + panStart.copy( panEnd ); - scope.update(); + scope.update(); - } + } - function handleTouchEnd( event ) { + function handleTouchEnd( event ) { - //console.log( 'handleTouchEnd' ); + //console.log( 'handleTouchEnd' ); - } + } - // - // event handlers - FSM: listen for events and reset state - // + // + // event handlers - FSM: listen for events and reset state + // - function onMouseDown( event ) { + function onMouseDown( event ) { - if ( scope.enabled === false ) return; + if ( scope.enabled === false ) return; - event.preventDefault(); + event.preventDefault(); - if ( event.button === scope.mouseButtons.ORBIT ) { + if ( event.button === scope.mouseButtons.ORBIT ) { - if ( scope.enableRotate === false ) return; + if ( scope.enableRotate === false ) return; - handleMouseDownRotate( event ); + handleMouseDownRotate( event ); - state = STATE.ROTATE; + state = STATE.ROTATE; - } else if ( event.button === scope.mouseButtons.ZOOM ) { + } else if ( event.button === scope.mouseButtons.ZOOM ) { - if ( scope.enableZoom === false ) return; + if ( scope.enableZoom === false ) return; - handleMouseDownDolly( event ); + handleMouseDownDolly( event ); - state = STATE.DOLLY; + state = STATE.DOLLY; - } else if ( event.button === scope.mouseButtons.PAN ) { + } else if ( event.button === scope.mouseButtons.PAN ) { - if ( scope.enablePan === false ) return; + if ( scope.enablePan === false ) return; - handleMouseDownPan( event ); + handleMouseDownPan( event ); - state = STATE.PAN; + state = STATE.PAN; - } + } - if ( state !== STATE.NONE ) { + if ( state !== STATE.NONE ) { - document.addEventListener( 'mousemove', onMouseMove, false ); - document.addEventListener( 'mouseup', onMouseUp, false ); + document.addEventListener( 'mousemove', onMouseMove, false ); + document.addEventListener( 'mouseup', onMouseUp, false ); - scope.dispatchEvent( startEvent ); + scope.dispatchEvent( startEvent ); - } + } - } + } - function onMouseMove( event ) { + function onMouseMove( event ) { - if ( scope.enabled === false ) return; + if ( scope.enabled === false ) return; - event.preventDefault(); + event.preventDefault(); - if ( state === STATE.ROTATE ) { + if ( state === STATE.ROTATE ) { - if ( scope.enableRotate === false ) return; + if ( scope.enableRotate === false ) return; - handleMouseMoveRotate( event ); + handleMouseMoveRotate( event ); - } else if ( state === STATE.DOLLY ) { + } else if ( state === STATE.DOLLY ) { - if ( scope.enableZoom === false ) return; + if ( scope.enableZoom === false ) return; - handleMouseMoveDolly( event ); + handleMouseMoveDolly( event ); - } else if ( state === STATE.PAN ) { + } else if ( state === STATE.PAN ) { - if ( scope.enablePan === false ) return; + if ( scope.enablePan === false ) return; - handleMouseMovePan( event ); + handleMouseMovePan( event ); - } + } - } + } - function onMouseUp( event ) { + function onMouseUp( event ) { - if ( scope.enabled === false ) return; + if ( scope.enabled === false ) return; - handleMouseUp( event ); + handleMouseUp( event ); - document.removeEventListener( 'mousemove', onMouseMove, false ); - document.removeEventListener( 'mouseup', onMouseUp, false ); + document.removeEventListener( 'mousemove', onMouseMove, false ); + document.removeEventListener( 'mouseup', onMouseUp, false ); - scope.dispatchEvent( endEvent ); + scope.dispatchEvent( endEvent ); - state = STATE.NONE; + state = STATE.NONE; - } + } - function onMouseWheel( event ) { + function onMouseWheel( event ) { - if ( scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE ) ) return; + if ( scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE ) ) return; - event.preventDefault(); - event.stopPropagation(); + event.preventDefault(); + event.stopPropagation(); - handleMouseWheel( event ); + handleMouseWheel( event ); - scope.dispatchEvent( startEvent ); // not sure why these are here... - scope.dispatchEvent( endEvent ); + scope.dispatchEvent( startEvent ); // not sure why these are here... + scope.dispatchEvent( endEvent ); - } + } - function onKeyDown( event ) { + function onKeyDown( event ) { - if ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return; + if ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return; - handleKeyDown( event ); + handleKeyDown( event ); - } + } - function onTouchStart( event ) { + function onTouchStart( event ) { - if ( scope.enabled === false ) return; + if ( scope.enabled === false ) return; - switch ( event.touches.length ) { + switch ( event.touches.length ) { - case 1: // one-fingered touch: rotate + case 1: // one-fingered touch: rotate - if ( scope.enableRotate === false ) return; + if ( scope.enableRotate === false ) return; - handleTouchStartRotate( event ); + handleTouchStartRotate( event ); - state = STATE.TOUCH_ROTATE; + state = STATE.TOUCH_ROTATE; - break; + break; - case 2: // two-fingered touch: dolly + case 2: // two-fingered touch: dolly - if ( scope.enableZoom === false ) return; + if ( scope.enableZoom === false ) return; - handleTouchStartDolly( event ); + handleTouchStartDolly( event ); - state = STATE.TOUCH_DOLLY; + state = STATE.TOUCH_DOLLY; - break; + break; - case 3: // three-fingered touch: pan + case 3: // three-fingered touch: pan - if ( scope.enablePan === false ) return; + if ( scope.enablePan === false ) return; - handleTouchStartPan( event ); + handleTouchStartPan( event ); - state = STATE.TOUCH_PAN; + state = STATE.TOUCH_PAN; - break; + break; - default: + default: - state = STATE.NONE; + state = STATE.NONE; - } + } - if ( state !== STATE.NONE ) { + if ( state !== STATE.NONE ) { - scope.dispatchEvent( startEvent ); + scope.dispatchEvent( startEvent ); - } + } - } + } - function onTouchMove( event ) { + function onTouchMove( event ) { - if ( scope.enabled === false ) return; + if ( scope.enabled === false ) return; - event.preventDefault(); - event.stopPropagation(); + event.preventDefault(); + event.stopPropagation(); - switch ( event.touches.length ) { + switch ( event.touches.length ) { - case 1: // one-fingered touch: rotate + case 1: // one-fingered touch: rotate - if ( scope.enableRotate === false ) return; - if ( state !== STATE.TOUCH_ROTATE ) return; // is this needed?... + if ( scope.enableRotate === false ) return; + if ( state !== STATE.TOUCH_ROTATE ) return; // is this needed?... - handleTouchMoveRotate( event ); + handleTouchMoveRotate( event ); - break; + break; - case 2: // two-fingered touch: dolly + case 2: // two-fingered touch: dolly - if ( scope.enableZoom === false ) return; - if ( state !== STATE.TOUCH_DOLLY ) return; // is this needed?... + if ( scope.enableZoom === false ) return; + if ( state !== STATE.TOUCH_DOLLY ) return; // is this needed?... - handleTouchMoveDolly( event ); + handleTouchMoveDolly( event ); - break; + break; - case 3: // three-fingered touch: pan + case 3: // three-fingered touch: pan - if ( scope.enablePan === false ) return; - if ( state !== STATE.TOUCH_PAN ) return; // is this needed?... + if ( scope.enablePan === false ) return; + if ( state !== STATE.TOUCH_PAN ) return; // is this needed?... - handleTouchMovePan( event ); + handleTouchMovePan( event ); - break; + break; - default: + default: - state = STATE.NONE; + state = STATE.NONE; - } + } - } + } - function onTouchEnd( event ) { + function onTouchEnd( event ) { - if ( scope.enabled === false ) return; + if ( scope.enabled === false ) return; - handleTouchEnd( event ); + handleTouchEnd( event ); - scope.dispatchEvent( endEvent ); + scope.dispatchEvent( endEvent ); - state = STATE.NONE; + state = STATE.NONE; - } + } - function onContextMenu( event ) { + function onContextMenu( event ) { - event.preventDefault(); + event.preventDefault(); - } + } - // + // - scope.domElement.addEventListener( 'contextmenu', onContextMenu, false ); + scope.domElement.addEventListener( 'contextmenu', onContextMenu, false ); - scope.domElement.addEventListener( 'mousedown', onMouseDown, false ); - scope.domElement.addEventListener( 'wheel', onMouseWheel, false ); + scope.domElement.addEventListener( 'mousedown', onMouseDown, false ); + scope.domElement.addEventListener( 'wheel', onMouseWheel, false ); - scope.domElement.addEventListener( 'touchstart', onTouchStart, false ); - scope.domElement.addEventListener( 'touchend', onTouchEnd, false ); - scope.domElement.addEventListener( 'touchmove', onTouchMove, false ); + scope.domElement.addEventListener( 'touchstart', onTouchStart, false ); + scope.domElement.addEventListener( 'touchend', onTouchEnd, false ); + scope.domElement.addEventListener( 'touchmove', onTouchMove, false ); - window.addEventListener( 'keydown', onKeyDown, false ); + window.addEventListener( 'keydown', onKeyDown, false ); - // force an update at start + // force an update at start - this.update(); + this.update(); }; @@ -892,125 +892,125 @@ THREE.OrbitControls.prototype.constructor = THREE.OrbitControls; Object.defineProperties( THREE.OrbitControls.prototype, { - center: { + center: { - get: function () { + get: function () { - console.warn( 'THREE.OrbitControls: .center has been renamed to .target' ); - return this.target; + console.warn( 'THREE.OrbitControls: .center has been renamed to .target' ); + return this.target; - } + } - }, + }, - // backward compatibility + // backward compatibility - noZoom: { + noZoom: { - get: function () { + get: function () { - console.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' ); - return ! this.enableZoom; + console.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' ); + return ! this.enableZoom; - }, + }, - set: function ( value ) { + set: function ( value ) { - console.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' ); - this.enableZoom = ! value; + console.warn( 'THREE.OrbitControls: .noZoom has been deprecated. Use .enableZoom instead.' ); + this.enableZoom = ! value; - } + } - }, + }, - noRotate: { + noRotate: { - get: function () { + get: function () { - console.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' ); - return ! this.enableRotate; + console.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' ); + return ! this.enableRotate; - }, + }, - set: function ( value ) { + set: function ( value ) { - console.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' ); - this.enableRotate = ! value; + console.warn( 'THREE.OrbitControls: .noRotate has been deprecated. Use .enableRotate instead.' ); + this.enableRotate = ! value; - } + } - }, + }, - noPan: { + noPan: { - get: function () { + get: function () { - console.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' ); - return ! this.enablePan; + console.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' ); + return ! this.enablePan; - }, + }, - set: function ( value ) { + set: function ( value ) { - console.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' ); - this.enablePan = ! value; + console.warn( 'THREE.OrbitControls: .noPan has been deprecated. Use .enablePan instead.' ); + this.enablePan = ! value; - } + } - }, + }, - noKeys: { + noKeys: { - get: function () { + get: function () { - console.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' ); - return ! this.enableKeys; + console.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' ); + return ! this.enableKeys; - }, + }, - set: function ( value ) { + set: function ( value ) { - console.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' ); - this.enableKeys = ! value; + console.warn( 'THREE.OrbitControls: .noKeys has been deprecated. Use .enableKeys instead.' ); + this.enableKeys = ! value; - } + } - }, + }, - staticMoving: { + staticMoving: { - get: function () { + get: function () { - console.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' ); - return ! this.enableDamping; + console.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' ); + return ! this.enableDamping; - }, + }, - set: function ( value ) { + set: function ( value ) { - console.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' ); - this.enableDamping = ! value; + console.warn( 'THREE.OrbitControls: .staticMoving has been deprecated. Use .enableDamping instead.' ); + this.enableDamping = ! value; - } + } - }, + }, - dynamicDampingFactor: { + dynamicDampingFactor: { - get: function () { + get: function () { - console.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' ); - return this.dampingFactor; + console.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' ); + return this.dampingFactor; - }, + }, - set: function ( value ) { + set: function ( value ) { - console.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' ); - this.dampingFactor = value; + console.warn( 'THREE.OrbitControls: .dynamicDampingFactor has been renamed. Use .dampingFactor instead.' ); + this.dampingFactor = value; - } + } - } + } } ); diff --git a/inst/htmlwidgets/lib/threejs-85/TrackballControls.js b/inst/htmlwidgets/lib/threejs-85/TrackballControls.js index 836a672..c722da3 100644 --- a/inst/htmlwidgets/lib/threejs-85/TrackballControls.js +++ b/inst/htmlwidgets/lib/threejs-85/TrackballControls.js @@ -1,5 +1,4 @@ /** - * From the three.js examples: https://github.com/mrdoob/three.js/blob/master/examples/js/controls/TrackballControls.js * @author Eberhard Graether / http://egraether.com/ * @author Mark Lundin / http://mark-lundin.com * @author Simone Manini / http://daron1337.github.io @@ -8,343 +7,619 @@ THREE.TrackballControls = function ( object, domElement ) { - var _this = this; - var STATE = { NONE: -1, ROTATE: 0, ZOOM: 1, PAN: 2, TOUCH_ROTATE: 3, TOUCH_ZOOM: 4, TOUCH_PAN: 5 }; - this.object = object; - this.domElement = ( domElement !== undefined ) ? domElement : document; - - // API - this.enabled = true; - this.screen = { left: 0, top: 0, width: 0, height: 0 }; - this.rotateSpeed = 1.0; - this.zoomSpeed = 1.2; - this.panSpeed = 0.3; - this.noRotate = false; - this.noZoom = false; - this.noPan = false; - this.noRoll = false; - this.staticMoving = false; - this.dynamicDampingFactor = 0.2; - this.minDistance = 0; - this.maxDistance = Infinity; - this.idle = true; - - // internals - this.target = new THREE.Vector3(); - var lastPosition = new THREE.Vector3(); - var _state = STATE.NONE, - _prevState = STATE.NONE, - _eye = new THREE.Vector3(), - _rotateStart = new THREE.Vector3(), - _rotateEnd = new THREE.Vector3(), - _zoomStart = new THREE.Vector2(), - _zoomEnd = new THREE.Vector2(), - _touchZoomDistanceStart = 0, - _touchZoomDistanceEnd = 0, - _panStart = new THREE.Vector2(), - _panEnd = new THREE.Vector2(); - - // for reset - this.target0 = this.target.clone(); - this.position0 = this.object.position.clone(); - this.up0 = this.object.up.clone(); - - // events - var changeEvent = { type: 'change' }; - var startEvent = { type: 'start'}; - var endEvent = { type: 'end'}; - - - // methods - this.handleResize = function () { - if ( this.domElement === document ) { - this.screen.left = 0; - this.screen.top = 0; - this.screen.width = window.innerWidth; - this.screen.height = window.innerHeight; - } else { - this.screen = this.domElement.getBoundingClientRect(); - // adjustments come from similar code in the jquery offset() function - var d = this.domElement.ownerDocument.documentElement - this.screen.left += window.pageXOffset - d.clientLeft - this.screen.top += window.pageYOffset - d.clientTop - } - }; - - this.handleEvent = function ( event ) { - if ( typeof this[ event.type ] == 'function' ) { - this[ event.type ]( event ); - } - }; - - this.getMouseOnScreen = function ( pageX, pageY, vector ) { - return vector.set( - ( pageX - _this.screen.left ) / _this.screen.width, - ( pageY - _this.screen.top ) / _this.screen.height - ); - }; - - this.getMouseProjectionOnBall = (function(){ - var objectUp = new THREE.Vector3(), - mouseOnBall = new THREE.Vector3(); - return function ( pageX, pageY, projection ) { - mouseOnBall.set( - ( pageX - _this.screen.width * 0.5 - _this.screen.left ) / (_this.screen.width*.5), - ( _this.screen.height * 0.5 + _this.screen.top - pageY ) / (_this.screen.height*.5), - 0.0 - ); - var length = mouseOnBall.length(); - if ( _this.noRoll ) { - if ( length < Math.SQRT1_2 ) { - mouseOnBall.z = Math.sqrt( 1.0 - length*length ); - } else { - mouseOnBall.z = .5 / length; - } - } else if ( length > 1.0 ) { - mouseOnBall.normalize(); - } else { - mouseOnBall.z = Math.sqrt( 1.0 - length * length ); - } - _eye.copy( _this.object.position ).sub( _this.target ); - projection.copy( _this.object.up ).setLength( mouseOnBall.y ) - projection.add( objectUp.copy( _this.object.up ).cross( _eye ).setLength( mouseOnBall.x ) ); - projection.add( _eye.setLength( mouseOnBall.z ) ); - return projection; - } - }()); - - this.rotateCamera = (function(){ - var axis = new THREE.Vector3(), - quaternion = new THREE.Quaternion(); - return function () { - var angle = Math.acos( _rotateStart.dot( _rotateEnd ) / _rotateStart.length() / _rotateEnd.length() ); - if ( angle ) { - axis.crossVectors( _rotateStart, _rotateEnd ).normalize(); - angle *= _this.rotateSpeed; - quaternion.setFromAxisAngle( axis, -angle ); - _eye.applyQuaternion( quaternion ); - _this.object.up.applyQuaternion( quaternion ); - _rotateEnd.applyQuaternion( quaternion ); - if ( _this.staticMoving ) { - _rotateStart.copy( _rotateEnd ); - } else { - quaternion.setFromAxisAngle( axis, angle * ( _this.dynamicDampingFactor - 1.0 ) ); - _rotateStart.applyQuaternion( quaternion ); - } - } - } - }()); - - this.zoomCamera = function () { - if ( _state === STATE.TOUCH_ZOOM ) { - var factor = _touchZoomDistanceStart / _touchZoomDistanceEnd; - _touchZoomDistanceStart = _touchZoomDistanceEnd; - _eye.multiplyScalar( factor ); - } else { - var factor = 1.0 + ( _zoomEnd.y - _zoomStart.y ) * _this.zoomSpeed; - if ( factor !== 1.0 && factor > 0.0 ) { - _eye.multiplyScalar( factor ); - if ( _this.staticMoving ) { - _zoomStart.copy( _zoomEnd ); - } else { - _zoomStart.y += ( _zoomEnd.y - _zoomStart.y ) * this.dynamicDampingFactor; - } - } - } - }; - - this.panCamera = (function(){ - var mouseChange = new THREE.Vector2(), - objectUp = new THREE.Vector3(), - pan = new THREE.Vector3(); - return function () { - mouseChange.copy( _panEnd ).sub( _panStart ); - if ( mouseChange.lengthSq() ) { - mouseChange.multiplyScalar( _eye.length() * _this.panSpeed ); - pan.copy( _eye ).cross( _this.object.up ).setLength( mouseChange.x ); - pan.add( objectUp.copy( _this.object.up ).setLength( mouseChange.y ) ); - _this.object.position.add( pan ); - _this.target.add( pan ); - if ( _this.staticMoving ) { - _panStart.copy( _panEnd ); - } else { - _panStart.add( mouseChange.subVectors( _panEnd, _panStart ).multiplyScalar( _this.dynamicDampingFactor ) ); - } - } - } - }()); - - this.checkDistances = function () { - if ( !_this.noZoom || !_this.noPan ) { - if ( _eye.lengthSq() > _this.maxDistance * _this.maxDistance ) { - _this.object.position.addVectors( _this.target, _eye.setLength( _this.maxDistance ) ); - } - if ( _eye.lengthSq() < _this.minDistance * _this.minDistance ) { - _this.object.position.addVectors( _this.target, _eye.setLength( _this.minDistance ) ); - } - } - }; - - this.update = function () - { - _eye.subVectors( _this.object.position, _this.target ); - if ( !_this.noRotate ) { - _this.rotateCamera(); - } - if ( !_this.noZoom ) { - _this.zoomCamera(); - } - if ( !_this.noPan ) { - _this.panCamera(); - } - _this.object.position.addVectors( _this.target, _eye ); - _this.checkDistances(); - _this.object.lookAt( _this.target ); - if ( lastPosition.distanceToSquared( _this.object.position ) > 0 ) - { - _this.dispatchEvent( changeEvent ); - lastPosition.copy( _this.object.position ); - _this.idle = false - } else {_this.idle = true}; - }; - - this.reset = function () { - _state = STATE.NONE; - _prevState = STATE.NONE; - _this.target.copy( _this.target0 ); - _this.object.position.copy( _this.position0 ); - _this.object.up.copy( _this.up0 ); - _eye.subVectors( _this.object.position, _this.target ); - _this.object.lookAt( _this.target ); - _this.dispatchEvent( changeEvent ); - lastPosition.copy( _this.object.position ); - }; - - // listeners - - function mousedown( event ) { - if ( _this.enabled === false ) return; - if ( _state === STATE.NONE ) { - _state = event.button; - } - if ( _state === STATE.ROTATE && !_this.noRotate ) { - _this.getMouseProjectionOnBall( event.pageX, event.pageY, _rotateStart ); - _rotateEnd.copy(_rotateStart) - } else if ( _state === STATE.ZOOM && !_this.noZoom ) { - _this.getMouseOnScreen( event.pageX, event.pageY, _zoomStart ); - _zoomEnd.copy(_zoomStart); - } else if ( _state === STATE.PAN && !_this.noPan ) { - _this.getMouseOnScreen( event.pageX, event.pageY, _panStart ); - _panEnd.copy(_panStart) - } - document.addEventListener( 'mousemove', mousemove, false ); - document.addEventListener( 'mouseup', mouseup, false ); - _this.dispatchEvent( startEvent ); - } - - function mousemove( event ) { - if ( _this.enabled === false ) return; - if ( _state === STATE.ROTATE && !_this.noRotate ) { - _this.getMouseProjectionOnBall( event.pageX, event.pageY, _rotateEnd ); - } else if ( _state === STATE.ZOOM && !_this.noZoom ) { - _this.getMouseOnScreen( event.pageX, event.pageY, _zoomEnd ); - } else if ( _state === STATE.PAN && !_this.noPan ) { - _this.getMouseOnScreen( event.pageX, event.pageY, _panEnd ); - } - } - - function mouseup( event ) { - if ( _this.enabled === false ) return; - _state = STATE.NONE; - document.removeEventListener( 'mousemove', mousemove ); - document.removeEventListener( 'mouseup', mouseup ); - _this.dispatchEvent( endEvent ); - } - - function mousewheel( event ) { - if ( _this.enabled === false ) return; - event.preventDefault(); - event.stopPropagation(); - var delta = 0; - if ( event.wheelDelta ) { // WebKit / Opera / Explorer 9 - delta = event.wheelDelta / 40; - } else if ( event.detail ) { // Firefox - delta = - event.detail / 3; - } - _zoomStart.y += delta * 0.01; - _this.dispatchEvent( startEvent ); - _this.dispatchEvent( endEvent ); - } - - function touchstart( event ) { - if ( _this.enabled === false ) return; - switch ( event.touches.length ) { - case 1: - _state = STATE.TOUCH_ROTATE; - _rotateEnd.copy( _this.getMouseProjectionOnBall( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY, _rotateStart )); - break; - case 2: - _state = STATE.TOUCH_ZOOM; - var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX; - var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY; - _touchZoomDistanceEnd = _touchZoomDistanceStart = Math.sqrt( dx * dx + dy * dy ); - break; - case 3: - _state = STATE.TOUCH_PAN; - _panEnd.copy( _this.getMouseOnScreen( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY, _panStart )); - break; - default: - _state = STATE.NONE; - } - _this.dispatchEvent( startEvent ); - } - - function touchmove( event ) { - if ( _this.enabled === false ) return; - event.preventDefault(); - event.stopPropagation(); - switch ( event.touches.length ) { - case 1: - _this.getMouseProjectionOnBall( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY, _rotateEnd ); - break; - case 2: - var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX; - var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY; - _touchZoomDistanceEnd = Math.sqrt( dx * dx + dy * dy ) - break; - case 3: - _this.getMouseOnScreen( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY, _panEnd ); - break; - default: - _state = STATE.NONE; - } - } - - function touchend( event ) { - if ( _this.enabled === false ) return; - switch ( event.touches.length ) { - case 1: - _rotateStart.copy( _this.getMouseProjectionOnBall( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY, _rotateEnd )); - break; - case 2: - _touchZoomDistanceStart = _touchZoomDistanceEnd = 0; - break; - case 3: - _panStart.copy( _this.getMouseOnScreen( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY, _panEnd )); - break; - } - _state = STATE.NONE; - _this.dispatchEvent(endEvent); - } - - this.domElement.addEventListener( 'contextmenu', function ( event ) { event.preventDefault(); }, false ); - this.domElement.addEventListener( 'mousedown', mousedown, false ); - this.domElement.addEventListener( 'mousewheel', mousewheel, false ); - this.domElement.addEventListener( 'DOMMouseScroll', mousewheel, false ); // firefox - this.domElement.addEventListener( 'touchstart', touchstart, false ); - this.domElement.addEventListener( 'touchend', touchend, false ); - this.domElement.addEventListener( 'touchmove', touchmove, false ); - this.handleResize(); + var _this = this; + var STATE = { NONE: - 1, ROTATE: 0, ZOOM: 1, PAN: 2, TOUCH_ROTATE: 3, TOUCH_ZOOM_PAN: 4 }; + + this.object = object; + this.domElement = ( domElement !== undefined ) ? domElement : document; + + // API + + this.enabled = true; + + this.screen = { left: 0, top: 0, width: 0, height: 0 }; + + this.rotateSpeed = 1.0; + this.zoomSpeed = 1.2; + this.panSpeed = 0.3; + + this.noRotate = false; + this.noZoom = false; + this.noPan = false; + + this.staticMoving = false; + this.dynamicDampingFactor = 0.2; + + this.minDistance = 0; + this.maxDistance = Infinity; + + this.keys = [ 65 /*A*/, 83 /*S*/, 68 /*D*/ ]; + + // internals + + this.target = new THREE.Vector3(); + + var EPS = 0.000001; + + var lastPosition = new THREE.Vector3(); + + var _state = STATE.NONE, + _prevState = STATE.NONE, + + _eye = new THREE.Vector3(), + + _movePrev = new THREE.Vector2(), + _moveCurr = new THREE.Vector2(), + + _lastAxis = new THREE.Vector3(), + _lastAngle = 0, + + _zoomStart = new THREE.Vector2(), + _zoomEnd = new THREE.Vector2(), + + _touchZoomDistanceStart = 0, + _touchZoomDistanceEnd = 0, + + _panStart = new THREE.Vector2(), + _panEnd = new THREE.Vector2(); + + // for reset + + this.target0 = this.target.clone(); + this.position0 = this.object.position.clone(); + this.up0 = this.object.up.clone(); + + // events + + var changeEvent = { type: 'change' }; + var startEvent = { type: 'start' }; + var endEvent = { type: 'end' }; + + + // methods + + this.handleResize = function () { + + if ( this.domElement === document ) { + + this.screen.left = 0; + this.screen.top = 0; + this.screen.width = window.innerWidth; + this.screen.height = window.innerHeight; + + } else { + + var box = this.domElement.getBoundingClientRect(); + // adjustments come from similar code in the jquery offset() function + var d = this.domElement.ownerDocument.documentElement; + this.screen.left = box.left + window.pageXOffset - d.clientLeft; + this.screen.top = box.top + window.pageYOffset - d.clientTop; + this.screen.width = box.width; + this.screen.height = box.height; + + } + + }; + + this.handleEvent = function ( event ) { + + if ( typeof this[ event.type ] == 'function' ) { + + this[ event.type ]( event ); + + } + + }; + + var getMouseOnScreen = ( function () { + + var vector = new THREE.Vector2(); + + return function getMouseOnScreen( pageX, pageY ) { + + vector.set( + ( pageX - _this.screen.left ) / _this.screen.width, + ( pageY - _this.screen.top ) / _this.screen.height + ); + + return vector; + + }; + + }() ); + + var getMouseOnCircle = ( function () { + + var vector = new THREE.Vector2(); + + return function getMouseOnCircle( pageX, pageY ) { + + vector.set( + ( ( pageX - _this.screen.width * 0.5 - _this.screen.left ) / ( _this.screen.width * 0.5 ) ), + ( ( _this.screen.height + 2 * ( _this.screen.top - pageY ) ) / _this.screen.width ) // screen.width intentional + ); + + return vector; + + }; + + }() ); + + this.rotateCamera = ( function() { + + var axis = new THREE.Vector3(), + quaternion = new THREE.Quaternion(), + eyeDirection = new THREE.Vector3(), + objectUpDirection = new THREE.Vector3(), + objectSidewaysDirection = new THREE.Vector3(), + moveDirection = new THREE.Vector3(), + angle; + + return function rotateCamera() { + + moveDirection.set( _moveCurr.x - _movePrev.x, _moveCurr.y - _movePrev.y, 0 ); + angle = moveDirection.length(); + + if ( angle ) { + + _eye.copy( _this.object.position ).sub( _this.target ); + + eyeDirection.copy( _eye ).normalize(); + objectUpDirection.copy( _this.object.up ).normalize(); + objectSidewaysDirection.crossVectors( objectUpDirection, eyeDirection ).normalize(); + + objectUpDirection.setLength( _moveCurr.y - _movePrev.y ); + objectSidewaysDirection.setLength( _moveCurr.x - _movePrev.x ); + + moveDirection.copy( objectUpDirection.add( objectSidewaysDirection ) ); + + axis.crossVectors( moveDirection, _eye ).normalize(); + + angle *= _this.rotateSpeed; + quaternion.setFromAxisAngle( axis, angle ); + + _eye.applyQuaternion( quaternion ); + _this.object.up.applyQuaternion( quaternion ); + + _lastAxis.copy( axis ); + _lastAngle = angle; + + } else if ( ! _this.staticMoving && _lastAngle ) { + + _lastAngle *= Math.sqrt( 1.0 - _this.dynamicDampingFactor ); + _eye.copy( _this.object.position ).sub( _this.target ); + quaternion.setFromAxisAngle( _lastAxis, _lastAngle ); + _eye.applyQuaternion( quaternion ); + _this.object.up.applyQuaternion( quaternion ); + + } + + _movePrev.copy( _moveCurr ); + + }; + + }() ); + + + this.zoomCamera = function () { + + var factor; + + if ( _state === STATE.TOUCH_ZOOM_PAN ) { + + factor = _touchZoomDistanceStart / _touchZoomDistanceEnd; + _touchZoomDistanceStart = _touchZoomDistanceEnd; + _eye.multiplyScalar( factor ); + + } else { + + factor = 1.0 + ( _zoomEnd.y - _zoomStart.y ) * _this.zoomSpeed; + + if ( factor !== 1.0 && factor > 0.0 ) { + + _eye.multiplyScalar( factor ); + + } + + if ( _this.staticMoving ) { + + _zoomStart.copy( _zoomEnd ); + + } else { + + _zoomStart.y += ( _zoomEnd.y - _zoomStart.y ) * this.dynamicDampingFactor; + + } + + } + + }; + + this.panCamera = ( function() { + + var mouseChange = new THREE.Vector2(), + objectUp = new THREE.Vector3(), + pan = new THREE.Vector3(); + + return function panCamera() { + + mouseChange.copy( _panEnd ).sub( _panStart ); + + if ( mouseChange.lengthSq() ) { + + mouseChange.multiplyScalar( _eye.length() * _this.panSpeed ); + + pan.copy( _eye ).cross( _this.object.up ).setLength( mouseChange.x ); + pan.add( objectUp.copy( _this.object.up ).setLength( mouseChange.y ) ); + + _this.object.position.add( pan ); + _this.target.add( pan ); + + if ( _this.staticMoving ) { + + _panStart.copy( _panEnd ); + + } else { + + _panStart.add( mouseChange.subVectors( _panEnd, _panStart ).multiplyScalar( _this.dynamicDampingFactor ) ); + + } + + } + + }; + + }() ); + + this.checkDistances = function () { + + if ( ! _this.noZoom || ! _this.noPan ) { + + if ( _eye.lengthSq() > _this.maxDistance * _this.maxDistance ) { + + _this.object.position.addVectors( _this.target, _eye.setLength( _this.maxDistance ) ); + _zoomStart.copy( _zoomEnd ); + + } + + if ( _eye.lengthSq() < _this.minDistance * _this.minDistance ) { + + _this.object.position.addVectors( _this.target, _eye.setLength( _this.minDistance ) ); + _zoomStart.copy( _zoomEnd ); + + } + + } + + }; + + this.update = function () { + + _eye.subVectors( _this.object.position, _this.target ); + + if ( ! _this.noRotate ) { + + _this.rotateCamera(); + + } + + if ( ! _this.noZoom ) { + + _this.zoomCamera(); + + } + + if ( ! _this.noPan ) { + + _this.panCamera(); + + } + + _this.object.position.addVectors( _this.target, _eye ); + + _this.checkDistances(); + + _this.object.lookAt( _this.target ); + + if ( lastPosition.distanceToSquared( _this.object.position ) > EPS ) { + + _this.dispatchEvent( changeEvent ); + + lastPosition.copy( _this.object.position ); + + } + + }; + + this.reset = function () { + + _state = STATE.NONE; + _prevState = STATE.NONE; + + _this.target.copy( _this.target0 ); + _this.object.position.copy( _this.position0 ); + _this.object.up.copy( _this.up0 ); + + _eye.subVectors( _this.object.position, _this.target ); + + _this.object.lookAt( _this.target ); + + _this.dispatchEvent( changeEvent ); + + lastPosition.copy( _this.object.position ); + + }; + + // listeners + + function keydown( event ) { + + if ( _this.enabled === false ) return; + + window.removeEventListener( 'keydown', keydown ); + + _prevState = _state; + + if ( _state !== STATE.NONE ) { + + return; + + } else if ( event.keyCode === _this.keys[ STATE.ROTATE ] && ! _this.noRotate ) { + + _state = STATE.ROTATE; + + } else if ( event.keyCode === _this.keys[ STATE.ZOOM ] && ! _this.noZoom ) { + + _state = STATE.ZOOM; + + } else if ( event.keyCode === _this.keys[ STATE.PAN ] && ! _this.noPan ) { + + _state = STATE.PAN; + + } + + } + + function keyup( event ) { + + if ( _this.enabled === false ) return; + + _state = _prevState; + + window.addEventListener( 'keydown', keydown, false ); + + } + + function mousedown( event ) { + + if ( _this.enabled === false ) return; + + event.preventDefault(); + event.stopPropagation(); + + if ( _state === STATE.NONE ) { + + _state = event.button; + + } + + if ( _state === STATE.ROTATE && ! _this.noRotate ) { + + _moveCurr.copy( getMouseOnCircle( event.pageX, event.pageY ) ); + _movePrev.copy( _moveCurr ); + + } else if ( _state === STATE.ZOOM && ! _this.noZoom ) { + + _zoomStart.copy( getMouseOnScreen( event.pageX, event.pageY ) ); + _zoomEnd.copy( _zoomStart ); + + } else if ( _state === STATE.PAN && ! _this.noPan ) { + + _panStart.copy( getMouseOnScreen( event.pageX, event.pageY ) ); + _panEnd.copy( _panStart ); + + } + + document.addEventListener( 'mousemove', mousemove, false ); + document.addEventListener( 'mouseup', mouseup, false ); + + _this.dispatchEvent( startEvent ); + + } + + function mousemove( event ) { + + if ( _this.enabled === false ) return; + + event.preventDefault(); + event.stopPropagation(); + + if ( _state === STATE.ROTATE && ! _this.noRotate ) { + + _movePrev.copy( _moveCurr ); + _moveCurr.copy( getMouseOnCircle( event.pageX, event.pageY ) ); + + } else if ( _state === STATE.ZOOM && ! _this.noZoom ) { + + _zoomEnd.copy( getMouseOnScreen( event.pageX, event.pageY ) ); + + } else if ( _state === STATE.PAN && ! _this.noPan ) { + + _panEnd.copy( getMouseOnScreen( event.pageX, event.pageY ) ); + + } + + } + + function mouseup( event ) { + + if ( _this.enabled === false ) return; + + event.preventDefault(); + event.stopPropagation(); + + _state = STATE.NONE; + + document.removeEventListener( 'mousemove', mousemove ); + document.removeEventListener( 'mouseup', mouseup ); + _this.dispatchEvent( endEvent ); + + } + + function mousewheel( event ) { + + if ( _this.enabled === false ) return; + + event.preventDefault(); + event.stopPropagation(); + + switch ( event.deltaMode ) { + + case 2: + // Zoom in pages + _zoomStart.y -= event.deltaY * 0.025; + break; + + case 1: + // Zoom in lines + _zoomStart.y -= event.deltaY * 0.01; + break; + + default: + // undefined, 0, assume pixels + _zoomStart.y -= event.deltaY * 0.00025; + break; + + } + + _this.dispatchEvent( startEvent ); + _this.dispatchEvent( endEvent ); + + } + + function touchstart( event ) { + + if ( _this.enabled === false ) return; + + switch ( event.touches.length ) { + + case 1: + _state = STATE.TOUCH_ROTATE; + _moveCurr.copy( getMouseOnCircle( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ) ); + _movePrev.copy( _moveCurr ); + break; + + default: // 2 or more + _state = STATE.TOUCH_ZOOM_PAN; + var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX; + var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY; + _touchZoomDistanceEnd = _touchZoomDistanceStart = Math.sqrt( dx * dx + dy * dy ); + + var x = ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX ) / 2; + var y = ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY ) / 2; + _panStart.copy( getMouseOnScreen( x, y ) ); + _panEnd.copy( _panStart ); + break; + + } + + _this.dispatchEvent( startEvent ); + + } + + function touchmove( event ) { + + if ( _this.enabled === false ) return; + + event.preventDefault(); + event.stopPropagation(); + + switch ( event.touches.length ) { + + case 1: + _movePrev.copy( _moveCurr ); + _moveCurr.copy( getMouseOnCircle( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ) ); + break; + + default: // 2 or more + var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX; + var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY; + _touchZoomDistanceEnd = Math.sqrt( dx * dx + dy * dy ); + + var x = ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX ) / 2; + var y = ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY ) / 2; + _panEnd.copy( getMouseOnScreen( x, y ) ); + break; + + } + + } + + function touchend( event ) { + + if ( _this.enabled === false ) return; + + switch ( event.touches.length ) { + + case 0: + _state = STATE.NONE; + break; + + case 1: + _state = STATE.TOUCH_ROTATE; + _moveCurr.copy( getMouseOnCircle( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY ) ); + _movePrev.copy( _moveCurr ); + break; + + } + + _this.dispatchEvent( endEvent ); + + } + + function contextmenu( event ) { + + if ( _this.enabled === false ) return; + + event.preventDefault(); + + } + + this.dispose = function() { + + this.domElement.removeEventListener( 'contextmenu', contextmenu, false ); + this.domElement.removeEventListener( 'mousedown', mousedown, false ); + this.domElement.removeEventListener( 'wheel', mousewheel, false ); + + this.domElement.removeEventListener( 'touchstart', touchstart, false ); + this.domElement.removeEventListener( 'touchend', touchend, false ); + this.domElement.removeEventListener( 'touchmove', touchmove, false ); + + document.removeEventListener( 'mousemove', mousemove, false ); + document.removeEventListener( 'mouseup', mouseup, false ); + + window.removeEventListener( 'keydown', keydown, false ); + window.removeEventListener( 'keyup', keyup, false ); + + }; + + this.domElement.addEventListener( 'contextmenu', contextmenu, false ); + this.domElement.addEventListener( 'mousedown', mousedown, false ); + this.domElement.addEventListener( 'wheel', mousewheel, false ); + + this.domElement.addEventListener( 'touchstart', touchstart, false ); + this.domElement.addEventListener( 'touchend', touchend, false ); + this.domElement.addEventListener( 'touchmove', touchmove, false ); + + window.addEventListener( 'keydown', keydown, false ); + window.addEventListener( 'keyup', keyup, false ); + + this.handleResize(); + + // force an update at start + this.update(); + }; THREE.TrackballControls.prototype = Object.create( THREE.EventDispatcher.prototype ); +THREE.TrackballControls.prototype.constructor = THREE.TrackballControls; diff --git a/inst/htmlwidgets/scatterplotThree.js b/inst/htmlwidgets/scatterplotThree.js index 56668b5..14cc297 100644 --- a/inst/htmlwidgets/scatterplotThree.js +++ b/inst/htmlwidgets/scatterplotThree.js @@ -131,14 +131,22 @@ Widget.scatter = function(w, h) _this.camera.position.y = 1.2; controls = new THREE.TrackballControls(_this.camera, el); - controls.rotateSpeed = 0.5; - controls.zoomSpeed = 4.2; - controls.panSpeed = 1; - controls.noZoom = false; - controls.noPan = false; - controls.staticMoving = false; + controls.rotateSpeed = 4.6; + controls.zoomSpeed = 1.5; + controls.panSpeed = 0.8; controls.dynamicDampingFactor = 0.2; controls.addEventListener('change', render); +/* *** Alternatively, use OrbitControls. But zoom is not damped and vertical rotation is restricted. + controls = new THREE.OrbitControls(_this.camera, el); + controls.rotateSpeed = 0.6; + controls.zoomSpeed = 1.5; + controls.panSpeed = 1; + controls.enableZoom = true; + controls.enablePan = true; + controls.enableDamping = true; + controls.dampingFactor = 0.15; + controls.addEventListener('change', render); +*/ scene = new THREE.Scene(); while (el.hasChildNodes()) {