( function () {
var CameraControls = function ( object, domElement ) {
if ( domElement === undefined ) console.warn( 'THREE.CameraControls: The second parameter "domElement" is now mandatory.' );
if ( domElement === document ) console.error( 'THREE.CameraControls: "document" should not be used as the target "domElement". Please use "renderer.domElement" instead.' );
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(); // Set to true to enable trackball behavior
this.trackball = false; // How far you can dolly in and out ( PerspectiveCamera only )
this.minDistance = 0;
this.maxDistance = Infinity; // How far you can zoom in and out ( OrthographicCamera only )
this.minZoom = 0;
this.maxZoom = Infinity; // How far you can orbit vertically, upper and lower limits.
// Range is 0 to Math.PI radians.
this.minPolarAngle = 0; // radians
this.maxPolarAngle = Math.PI; // radians
// How far you can orbit horizontally, upper and lower limits.
// If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ].
this.minAzimuthAngle = - Infinity; // radians
this.maxAzimuthAngle = Infinity; // radians
// Set to true to enable damping (inertia)
// If damping is enabled, you must call controls.update() in your animation loop
this.enableDamping = false;
this.dampingFactor = 0.05; // This option enables dollying in and out; property named as "zoom" for backwards compatibility
// Set to false to disable zooming
this.enableZoom = true;
this.zoomSpeed = 1.0; // Set to false to disable rotating
this.enableRotate = true;
this.rotateSpeed = 1.0; // Set to false to disable panning
this.enablePan = true;
this.panSpeed = 1.0;
this.screenSpacePanning = false; // if true, pan in screen-space
this.keyPanSpeed = 7.0; // pixels moved per arrow key push
// Set to true to automatically rotate around the target
// If auto-rotate is enabled, you must call controls.update() in your animation loop
// auto-rotate is not supported for trackball behavior
this.autoRotate = false;
this.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60
// Set to false to disable use of the keys
this.enableKeys = true; // The four arrow keys
this.keys = {
LEFT: 37,
UP: 38,
RIGHT: 39,
BOTTOM: 40
}; // Mouse buttons
this.mouseButtons = {
LEFT: 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.quaternion0 = this.object.quaternion.clone();
this.zoom0 = this.object.zoom; //
// public methods
//
this.getPolarAngle = function () {
return spherical.phi;
};
this.getAzimuthalAngle = function () {
return spherical.theta;
};
this.saveState = function () {
scope.target0.copy( scope.target );
scope.position0.copy( scope.object.position );
scope.quaternion0.copy( scope.object.quaternion );
scope.zoom0 = scope.object.zoom;
};
this.reset = function () {
scope.target.copy( scope.target0 );
scope.object.position.copy( scope.position0 );
scope.object.quaternion.copy( scope.quaternion0 );
scope.object.zoom = scope.zoom0;
scope.object.updateProjectionMatrix();
scope.dispatchEvent( changeEvent );
scope.update();
state = STATE.NONE;
}; // this method is exposed, but perhaps it would be better if we can make it private...
this.update = function () {
var offset = new 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 q = new THREE.Quaternion();
var vec = new THREE.Vector3();
return function update() {
var position = scope.object.position;
offset.copy( position ).sub( scope.target );
if ( scope.trackball ) {
// rotate around screen-space y-axis
if ( sphericalDelta.theta ) {
vec.set( 0, 1, 0 ).applyQuaternion( scope.object.quaternion );
var factor = scope.enableDamping ? scope.dampingFactor : 1;
q.setFromAxisAngle( vec, sphericalDelta.theta * factor );
scope.object.quaternion.premultiply( q );
offset.applyQuaternion( q );
} // rotate around screen-space x-axis
if ( sphericalDelta.phi ) {
vec.set( 1, 0, 0 ).applyQuaternion( scope.object.quaternion );
var factor = scope.enableDamping ? scope.dampingFactor : 1;
q.setFromAxisAngle( vec, sphericalDelta.phi * factor );
scope.object.quaternion.premultiply( q );
offset.applyQuaternion( q );
}
offset.multiplyScalar( scale );
offset.clampLength( scope.minDistance, scope.maxDistance );
} else {
// rotate offset to "y-axis-is-up" space
offset.applyQuaternion( quat );
if ( scope.autoRotate && state === STATE.NONE ) {
rotateLeft( getAutoRotationAngle() );
}
spherical.setFromVector3( offset );
if ( scope.enableDamping ) {
spherical.theta += sphericalDelta.theta * scope.dampingFactor;
spherical.phi += sphericalDelta.phi * scope.dampingFactor;
} else {
spherical.theta += sphericalDelta.theta;
spherical.phi += sphericalDelta.phi;
} // restrict theta to be between desired limits
spherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) ); // restrict phi to be between desired limits
spherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );
spherical.makeSafe();
spherical.radius *= scale; // restrict radius to be between desired limits
spherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );
offset.setFromSpherical( spherical ); // rotate offset back to "camera-up-vector-is-up" space
offset.applyQuaternion( quatInverse );
} // move target to panned location
if ( scope.enableDamping === true ) {
scope.target.addScaledVector( panOffset, scope.dampingFactor );
} else {
scope.target.add( panOffset );
}
position.copy( scope.target ).add( offset );
if ( scope.trackball === false ) {
scope.object.lookAt( scope.target );
}
if ( scope.enableDamping === true ) {
sphericalDelta.theta *= 1 - scope.dampingFactor;
sphericalDelta.phi *= 1 - scope.dampingFactor;
panOffset.multiplyScalar( 1 - scope.dampingFactor );
} else {
sphericalDelta.set( 0, 0, 0 );
panOffset.set( 0, 0, 0 );
}
scale = 1; // update condition is:
// min(camera displacement, camera rotation in radians)^2 > EPS
// using small-angle approximation cos(x/2) = 1 - x^2 / 8
if ( zoomChanged || lastPosition.distanceToSquared( scope.object.position ) > EPS || 8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {
scope.dispatchEvent( changeEvent );
lastPosition.copy( scope.object.position );
lastQuaternion.copy( scope.object.quaternion );
zoomChanged = false;
return true;
}
return false;
};
}();
this.dispose = function () {
scope.domElement.removeEventListener( 'contextmenu', onContextMenu, false );
scope.domElement.removeEventListener( 'mousedown', onMouseDown, false );
scope.domElement.removeEventListener( 'wheel', onMouseWheel, false );
scope.domElement.removeEventListener( 'touchstart', onTouchStart, false );
scope.domElement.removeEventListener( 'touchend', onTouchEnd, false );
scope.domElement.removeEventListener( 'touchmove', onTouchMove, false );
document.removeEventListener( 'mousemove', onMouseMove, false );
document.removeEventListener( 'mouseup', onMouseUp, false );
scope.domElement.removeEventListener( 'keydown', onKeyDown, false ); //scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?
}; //
// internals
//
var scope = this;
var changeEvent = {
type: 'change'
};
var startEvent = {
type: 'start'
};
var endEvent = {
type: 'end'
};
var STATE = {
NONE: - 1,
ROTATE: 0,
DOLLY: 1,
PAN: 2,
TOUCH_ROTATE: 3,
TOUCH_PAN: 4,
TOUCH_DOLLY_PAN: 5,
TOUCH_DOLLY_ROTATE: 6
};
var state = STATE.NONE;
var EPS = 0.000001; // current position in spherical coordinates
var spherical = new 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: CameraControls.js encountered an unknown camera type - pan disabled.' );
scope.enablePan = false;
}
};
}();
function dollyIn( dollyScale ) {
if ( scope.object.isPerspectiveCamera ) {
scale /= dollyScale;
} else if ( scope.object.isOrthographicCamera ) {
scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );
scope.object.updateProjectionMatrix();
zoomChanged = true;
} else {
console.warn( 'WARNING: CameraControls.js encountered an unknown camera type - dolly/zoom disabled.' );
scope.enableZoom = false;
}
}
function dollyOut( dollyScale ) {
if ( scope.object.isPerspectiveCamera ) {
scale *= dollyScale;
} else if ( scope.object.isOrthographicCamera ) {
scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );
scope.object.updateProjectionMatrix();
zoomChanged = true;
} else {
console.warn( 'WARNING: CameraControls.js encountered an unknown camera type - dolly/zoom disabled.' );
scope.enableZoom = false;
}
} //
// event callbacks - update the object state
//
function handleMouseDownRotate( event ) {
rotateStart.set( event.clientX, event.clientY );
}
function handleMouseDownDolly( event ) {
dollyStart.set( event.clientX, event.clientY );
}
function handleMouseDownPan( event ) {
panStart.set( event.clientX, event.clientY );
}
function handleMouseMoveRotate( event ) {
rotateEnd.set( event.clientX, event.clientY );
rotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );
var element = scope.domElement;
rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height
rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );
rotateStart.copy( rotateEnd );
scope.update();
}
function handleMouseMoveDolly( event ) {
dollyEnd.set( event.clientX, event.clientY );
dollyDelta.subVectors( dollyEnd, dollyStart );
if ( dollyDelta.y > 0 ) {
dollyIn( getZoomScale() );
} else if ( dollyDelta.y < 0 ) {
dollyOut( getZoomScale() );
}
dollyStart.copy( dollyEnd );
scope.update();
}
function handleMouseMovePan( event ) {
panEnd.set( event.clientX, event.clientY );
panDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );
pan( panDelta.x, panDelta.y );
panStart.copy( panEnd );
scope.update();
}
function handleMouseUp() { // no-op
}
function handleMouseWheel( event ) {
if ( event.deltaY < 0 ) {
dollyOut( getZoomScale() );
} else if ( event.deltaY > 0 ) {
dollyIn( getZoomScale() );
}
scope.update();
}
function handleKeyDown( event ) {
var needsUpdate = false;
switch ( event.keyCode ) {
case scope.keys.UP:
pan( 0, scope.keyPanSpeed );
needsUpdate = true;
break;
case scope.keys.BOTTOM:
pan( 0, - scope.keyPanSpeed );
needsUpdate = true;
break;
case scope.keys.LEFT:
pan( scope.keyPanSpeed, 0 );
needsUpdate = true;
break;
case scope.keys.RIGHT:
pan( - scope.keyPanSpeed, 0 );
needsUpdate = true;
break;
}
if ( needsUpdate ) {
// prevent the browser from scrolling on cursor keys
event.preventDefault();
scope.update();
}
}
function handleTouchStartRotate( event ) {
if ( event.touches.length == 1 ) {
rotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );
} else {
var x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX );
var y = 0.5 * ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY );
rotateStart.set( x, y );
}
}
function handleTouchStartPan( event ) {
if ( event.touches.length == 1 ) {
panStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );
} else {
var x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX );
var y = 0.5 * ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY );
panStart.set( x, y );
}
}
function handleTouchStartDolly( event ) {
var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;
var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;
var distance = Math.sqrt( dx * dx + dy * dy );
dollyStart.set( 0, distance );
}
function handleTouchStartDollyPan( event ) {
if ( scope.enableZoom ) handleTouchStartDolly( event );
if ( scope.enablePan ) handleTouchStartPan( event );
}
function handleTouchStartDollyRotate( event ) {
if ( scope.enableZoom ) handleTouchStartDolly( event );
if ( scope.enableRotate ) handleTouchStartRotate( event );
}
function handleTouchMoveRotate( event ) {
if ( event.touches.length == 1 ) {
rotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );
} else {
var x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX );
var y = 0.5 * ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY );
rotateEnd.set( x, y );
}
rotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );
var element = scope.domElement;
rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height
rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );
rotateStart.copy( rotateEnd );
}
function handleTouchMovePan( event ) {
if ( event.touches.length == 1 ) {
panEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );
} else {
var x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX );
var y = 0.5 * ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY );
panEnd.set( x, y );
}
panDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );
pan( panDelta.x, panDelta.y );
panStart.copy( panEnd );
}
function handleTouchMoveDolly( event ) {
var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;
var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;
var distance = Math.sqrt( dx * dx + dy * dy );
dollyEnd.set( 0, distance );
dollyDelta.set( 0, Math.pow( dollyEnd.y / dollyStart.y, scope.zoomSpeed ) );
dollyIn( dollyDelta.y );
dollyStart.copy( dollyEnd );
}
function handleTouchMoveDollyPan( event ) {
if ( scope.enableZoom ) handleTouchMoveDolly( event );
if ( scope.enablePan ) handleTouchMovePan( event );
}
function handleTouchMoveDollyRotate( event ) {
if ( scope.enableZoom ) handleTouchMoveDolly( event );
if ( scope.enableRotate ) handleTouchMoveRotate( event );
}
function handleTouchEnd() { // no-op
} //
// event handlers - FSM: listen for events and reset state
//
function onMouseDown( event ) {
if ( scope.enabled === false ) return; // Prevent the browser from scrolling.
event.preventDefault(); // Manually set the focus since calling preventDefault above
// prevents the browser from setting it automatically.
scope.domElement.focus ? scope.domElement.focus() : window.focus();
var mouseAction;
switch ( event.button ) {
case 0:
mouseAction = scope.mouseButtons.LEFT;
break;
case 1:
mouseAction = scope.mouseButtons.MIDDLE;
break;
case 2:
mouseAction = scope.mouseButtons.RIGHT;
break;
default:
mouseAction = - 1;
}
switch ( mouseAction ) {
case 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 ) {
document.addEventListener( 'mousemove', onMouseMove, false );
document.addEventListener( 'mouseup', onMouseUp, false );
scope.dispatchEvent( startEvent );
}
}
function onMouseMove( event ) {
if ( scope.enabled === false ) return;
event.preventDefault();
switch ( state ) {
case STATE.ROTATE:
if ( scope.enableRotate === false ) return;
handleMouseMoveRotate( event );
break;
case STATE.DOLLY:
if ( scope.enableZoom === false ) return;
handleMouseMoveDolly( event );
break;
case STATE.PAN:
if ( scope.enablePan === false ) return;
handleMouseMovePan( event );
break;
}
}
function onMouseUp( event ) {
if ( scope.enabled === false ) return;
handleMouseUp( event );
document.removeEventListener( 'mousemove', onMouseMove, false );
document.removeEventListener( 'mouseup', onMouseUp, false );
scope.dispatchEvent( endEvent );
state = STATE.NONE;
}
function onMouseWheel( event ) {
if ( scope.enabled === false || scope.enableZoom === false || state !== STATE.NONE && state !== STATE.ROTATE ) return;
event.preventDefault();
event.stopPropagation();
scope.dispatchEvent( startEvent );
handleMouseWheel( event );
scope.dispatchEvent( endEvent );
}
function onKeyDown( event ) {
if ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return;
handleKeyDown( event );
}
function onTouchStart( event ) {
if ( scope.enabled === false ) return;
event.preventDefault();
switch ( event.touches.length ) {
case 1:
switch ( scope.touches.ONE ) {
case 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();
event.stopPropagation();
switch ( state ) {
case STATE.TOUCH_ROTATE:
if ( scope.enableRotate === false ) return;
handleTouchMoveRotate( event );
scope.update();
break;
case STATE.TOUCH_PAN:
if ( scope.enablePan === false ) return;
handleTouchMovePan( event );
scope.update();
break;
case STATE.TOUCH_DOLLY_PAN:
if ( scope.enableZoom === false && scope.enablePan === false ) return;
handleTouchMoveDollyPan( event );
scope.update();
break;
case STATE.TOUCH_DOLLY_ROTATE:
if ( scope.enableZoom === false && scope.enableRotate === false ) return;
handleTouchMoveDollyRotate( event );
scope.update();
break;
default:
state = STATE.NONE;
}
}
function onTouchEnd( event ) {
if ( scope.enabled === false ) return;
handleTouchEnd( event );
scope.dispatchEvent( endEvent );
state = STATE.NONE;
}
function onContextMenu( event ) {
if ( scope.enabled === false ) return;
event.preventDefault();
} //
scope.domElement.addEventListener( 'contextmenu', onContextMenu, false );
scope.domElement.addEventListener( 'mousedown', onMouseDown, false );
scope.domElement.addEventListener( 'wheel', onMouseWheel, false );
scope.domElement.addEventListener( 'touchstart', onTouchStart, false );
scope.domElement.addEventListener( 'touchend', onTouchEnd, false );
scope.domElement.addEventListener( 'touchmove', onTouchMove, false );
scope.domElement.addEventListener( 'keydown', onKeyDown, false ); // make sure element can receive keys.
if ( scope.domElement.tabIndex === - 1 ) {
scope.domElement.tabIndex = 0;
} // force an update at start
this.object.lookAt( scope.target );
this.update();
this.saveState();
};
CameraControls.prototype = Object.create( THREE.EventDispatcher.prototype );
CameraControls.prototype.constructor = CameraControls; // OrbitControls maintains the "up" direction, camera.up (+Y by default).
//
// Orbit - left mouse / touch: one-finger move
// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish
// Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move
var OrbitControls = function ( object, domElement ) {
CameraControls.call( this, object, domElement );
this.mouseButtons.LEFT = THREE.MOUSE.ROTATE;
this.mouseButtons.RIGHT = THREE.MOUSE.PAN;
this.touches.ONE = THREE.TOUCH.ROTATE;
this.touches.TWO = THREE.TOUCH.DOLLY_PAN;
};
OrbitControls.prototype = Object.create( THREE.EventDispatcher.prototype );
OrbitControls.prototype.constructor = OrbitControls; // MapControls maintains the "up" direction, camera.up (+Y by default)
//
// Orbit - right mouse, or left mouse + ctrl/meta/shiftKey / touch: two-finger rotate
// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish
// Pan - left mouse, or left right + ctrl/meta/shiftKey, or arrow keys / touch: one-finger move
var MapControls = function ( object, domElement ) {
CameraControls.call( this, object, domElement );
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;
};
MapControls.prototype = Object.create( THREE.EventDispatcher.prototype );
MapControls.prototype.constructor = MapControls; // TrackballControls allows the camera to rotate over the polls and does not maintain camera.up
//
// Orbit - left mouse / touch: one-finger move
// Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish
// Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move
var TrackballControls = function ( object, domElement ) {
CameraControls.call( this, object, domElement );
this.trackball = true;
this.screenSpacePanning = true;
this.autoRotate = false;
this.mouseButtons.LEFT = THREE.MOUSE.ROTATE;
this.mouseButtons.RIGHT = THREE.MOUSE.PAN;
this.touches.ONE = THREE.TOUCH.ROTATE;
this.touches.TWO = THREE.TOUCH.DOLLY_PAN;
};
TrackballControls.prototype = Object.create( THREE.EventDispatcher.prototype );
TrackballControls.prototype.constructor = TrackballControls;
THREE.CameraControls = CameraControls;
THREE.MapControls = MapControls;
THREE.OrbitControls = OrbitControls;
THREE.TrackballControls = TrackballControls;
} )();