Commit b8bfbda2 authored by amandaghassaei's avatar amandaghassaei

new version threejs 81

parent 1460782b
......@@ -5,59 +5,33 @@
* @author WestLangley / http://github.com/WestLangley
* @author erich666 / http://erichaines.com
*/
/*global THREE, console */
// This set of controls performs orbiting, dollying (zooming), and panning. It maintains
// the "up" direction as +Y, unlike the TrackballControls. Touch on tablet and phones is
// supported.
// This set of controls performs orbiting, dollying (zooming), and panning.
// Unlike TrackballControls, it maintains the "up" direction object.up (+Y by default).
//
// Orbit - left mouse / touch: one finger move
// Zoom - middle mouse, or mousewheel / touch: two finger spread or squish
// Pan - right mouse, or arrow keys / touch: three finter swipe
//
// This is a drop-in replacement for (most) TrackballControls used in examples.
// That is, include this js file and wherever you see:
// controls = new THREE.TrackballControls( camera );
// controls.target.z = 150;
// Simple substitute "OrbitControls" and the control should work as-is.
THREE.OrbitControls = function ( object, domElement ) {
this.object = object;
this.domElement = ( domElement !== undefined ) ? domElement : document;
// API
this.domElement = ( domElement !== undefined ) ? domElement : document;
// Set to false to disable this control
this.enabled = true;
// "target" sets the location of focus, where the control orbits around
// and where it pans with respect to.
// "target" sets the location of focus, where the object orbits around
this.target = new THREE.Vector3();
// center is old, deprecated; use "target" instead
this.center = this.target;
// This option actually enables dollying in and out; left as "zoom" for
// backwards compatibility
this.noZoom = false;
this.zoomSpeed = 1.0;
// Limits to how far you can dolly in and out
// How far you can dolly in and out ( PerspectiveCamera only )
this.minDistance = 0;
this.maxDistance = 600;
// Set to true to disable this control
this.noRotate = false;
this.rotateSpeed = 1.0;
this.maxDistance = Infinity;
// Set to true to disable this control
this.noPan = false;
this.keyPanSpeed = 7.0; // pixels moved per arrow key push
// Set to true to automatically rotate around the target
this.autoRotate = false;
this.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60
// 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.
......@@ -69,8 +43,31 @@ THREE.OrbitControls = function ( object, domElement ) {
this.minAzimuthAngle = - Infinity; // radians
this.maxAzimuthAngle = Infinity; // radians
// Set to true to disable use of the keys
this.noKeys = false;
// 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;
// Set to false to disable rotating
this.enableRotate = true;
this.rotateSpeed = 1.0;
// Set to false to disable panning
this.enablePan = true;
this.keyPanSpeed = 7.0; // pixels moved per arrow key push
// Set to true to automatically rotate around the target
// If auto-rotate is enabled, you must call controls.update() in your animation loop
this.autoRotate = false;
this.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60
// Set to false to disable use of the keys
this.enableKeys = true;
// The four arrow keys
this.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };
......@@ -78,13 +75,187 @@ THREE.OrbitControls = function ( object, domElement ) {
// 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;
this.setTarget = function(target){//three vector
this.target = target;
this.target0 = this.target.clone();
};
//
// public methods
//
this.getPolarAngle = function () {
return spherical.phi;
};
this.getAzimuthalAngle = function () {
return spherical.theta;
};
this.reset = function () {
scope.target.copy( scope.target0 );
scope.object.position.copy( scope.position0 );
scope.object.zoom = scope.zoom0;
scope.object.updateProjectionMatrix();
scope.dispatchEvent( changeEvent );
scope.update();
state = STATE.NONE;
};
// this method is exposed, but perhaps it would be better if we can make it private...
this.update = function() {
var offset = new THREE.Vector3();
// so camera.up is the orbit axis
var quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) );
var quatInverse = quat.clone().inverse();
var lastPosition = new THREE.Vector3();
var lastQuaternion = new THREE.Quaternion();
return function update () {
var position = scope.object.position;
offset.copy( position ).sub( scope.target );
// rotate offset to "y-axis-is-up" space
offset.applyQuaternion( quat );
// angle from z-axis around y-axis
spherical.setFromVector3( offset );
if ( scope.autoRotate && state === STATE.NONE ) {
rotateLeft( getAutoRotationAngle() );
}
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 ) );
// move target to panned location
scope.target.add( panOffset );
offset.setFromSpherical( spherical );
// rotate offset back to "camera-up-vector-is-up" space
offset.applyQuaternion( quatInverse );
position.copy( scope.target ).add( offset );
scope.object.lookAt( scope.target );
if ( scope.enableDamping === true ) {
sphericalDelta.theta *= ( 1 - scope.dampingFactor );
sphericalDelta.phi *= ( 1 - scope.dampingFactor );
} else {
sphericalDelta.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
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 );
window.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_DOLLY : 4, TOUCH_PAN : 5 };
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();
......@@ -92,441 +263,505 @@ THREE.OrbitControls = function ( object, domElement ) {
var panStart = new THREE.Vector2();
var panEnd = new THREE.Vector2();
var panDelta = new THREE.Vector2();
var panOffset = new THREE.Vector3();
var offset = new THREE.Vector3();
var dollyStart = new THREE.Vector2();
var dollyEnd = new THREE.Vector2();
var dollyDelta = new THREE.Vector2();
var theta;
var phi;
var phiDelta = 0;
var thetaDelta = 0;
var scale = 1;
var pan = new THREE.Vector3();
function getAutoRotationAngle() {
var lastPosition = new THREE.Vector3();
var lastQuaternion = new THREE.Quaternion();
return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;
var STATE = { NONE : -1, ROTATE : 0, DOLLY : 1, PAN : 2, TOUCH_ROTATE : 3, TOUCH_DOLLY : 4, TOUCH_PAN : 5 };
}
var state = STATE.NONE;
function getZoomScale() {
// for reset
return Math.pow( 0.95, scope.zoomSpeed );
this.target0 = this.target.clone();
this.position0 = this.object.position.clone();
}
// so camera.up is the orbit axis
function rotateLeft( angle ) {
var quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) );
var quatInverse = quat.clone().inverse();
sphericalDelta.theta -= angle;
// events
}
var changeEvent = { type: 'change' };
var startEvent = { type: 'start'};
var endEvent = { type: 'end'};
function rotateUp( angle ) {
this.setTarget = function(target){//three vector
this.target = target;
this.target0 = this.target.clone();
};
sphericalDelta.phi -= angle;
this.rotateLeft = function ( angle ) {
}
if ( angle === undefined ) {
var panLeft = function() {
angle = getAutoRotationAngle();
var v = new THREE.Vector3();
}
return function panLeft( distance, objectMatrix ) {
thetaDelta -= angle;
v.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix
v.multiplyScalar( - distance );
};
panOffset.add( v );
this.rotateUp = function ( angle ) {
};
if ( angle === undefined ) {
}();
angle = getAutoRotationAngle();
var panUp = function() {
}
var v = new THREE.Vector3();
phiDelta -= angle;
return function panUp( distance, objectMatrix ) {
};
v.setFromMatrixColumn( objectMatrix, 1 ); // get Y column of objectMatrix
v.multiplyScalar( distance );
// pass in distance in world space to move left
this.panLeft = function ( distance ) {
panOffset.add( v );
var te = this.object.matrix.elements;
};
// get X column of matrix
panOffset.set( te[ 0 ], te[ 1 ], te[ 2 ] );
panOffset.multiplyScalar( - distance );
}();
pan.add( panOffset );
// deltaX and deltaY are in pixels; right and down are positive
var pan = function() {
};
var offset = new THREE.Vector3();
// pass in distance in world space to move up
this.panUp = function ( distance ) {
return function pan ( deltaX, deltaY ) {
var te = this.object.matrix.elements;
var element = scope.domElement === document ? scope.domElement.body : scope.domElement;
// get Y column of matrix
panOffset.set( te[ 4 ], te[ 5 ], te[ 6 ] );
panOffset.multiplyScalar( distance );
if ( scope.object instanceof THREE.PerspectiveCamera ) {
pan.add( panOffset );
// 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 );
// pass in x,y of change desired in pixel space,
// right and down are positive
this.pan = function ( deltaX, deltaY ) {
// 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 );
var element = scope.domElement === document ? scope.domElement.body : scope.domElement;
} else if ( scope.object instanceof THREE.OrthographicCamera ) {
if ( scope.object.fov !== undefined ) {
// 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 );
// perspective
var position = scope.object.position;
var offset = position.clone().sub( scope.target );
var targetDistance = offset.length();
} else {
// camera neither orthographic nor perspective
console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );
scope.enablePan = false;
}
// half of the fov is center to top of screen
targetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );
};
// we actually don't use screenWidth, since perspective camera is fixed to screen height
scope.panLeft( 2 * deltaX * targetDistance / element.clientHeight );
scope.panUp( 2 * deltaY * targetDistance / element.clientHeight );
}();
} else if ( scope.object.top !== undefined ) {
function dollyIn( dollyScale ) {
// orthographic
scope.panLeft( deltaX * (scope.object.right - scope.object.left) / element.clientWidth );
scope.panUp( deltaY * (scope.object.top - scope.object.bottom) / element.clientHeight );
if ( scope.object instanceof THREE.PerspectiveCamera ) {
scale /= dollyScale;
} 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;
} else {
// camera neither orthographic or perspective
console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );
console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );
scope.enableZoom = false;
}
};
}
function dollyOut( dollyScale ) {
if ( scope.object instanceof THREE.PerspectiveCamera ) {
this.dollyIn = function ( dollyScale ) {
scale *= dollyScale;
if ( dollyScale === undefined ) {
} else if ( scope.object instanceof THREE.OrthographicCamera ) {
dollyScale = getZoomScale();
scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );
scope.object.updateProjectionMatrix();
zoomChanged = true;
} else {
console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );
scope.enableZoom = false;
}
scale /= dollyScale;
}
};
//
// event callbacks - update the object state
//
this.dollyOut = function ( dollyScale ) {
function handleMouseDownRotate( event ) {
if ( dollyScale === undefined ) {
//console.log( 'handleMouseDownRotate' );
dollyScale = getZoomScale();
rotateStart.set( event.clientX, event.clientY );
}
}
scale *= dollyScale;
function handleMouseDownDolly( event ) {
};
//console.log( 'handleMouseDownDolly' );
dollyStart.set( event.clientX, event.clientY );
}
function handleMouseDownPan( event ) {
//console.log( 'handleMouseDownPan' );
this.update = function () {
panStart.set( event.clientX, event.clientY );
var position = this.object.position;
}
function handleMouseMoveRotate( event ) {
offset.copy( position ).sub( this.target );
//console.log( 'handleMouseMoveRotate' );
// rotate offset to "y-axis-is-up" space
offset.applyQuaternion( quat );
rotateEnd.set( event.clientX, event.clientY );
rotateDelta.subVectors( rotateEnd, rotateStart );
var element = scope.domElement === document ? scope.domElement.body : scope.domElement;
// angle from z-axis around y-axis
// rotating across whole screen goes 360 degrees around
rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientWidth * scope.rotateSpeed );
theta = Math.atan2( offset.x, offset.z );
// 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 );
// angle from y-axis
rotateStart.copy( rotateEnd );
phi = Math.atan2( Math.sqrt( offset.x * offset.x + offset.z * offset.z ), offset.y );
scope.update();
}
if ( this.autoRotate && state === STATE.NONE ) {
function handleMouseMoveDolly( event ) {
this.rotateLeft( getAutoRotationAngle() );
//console.log( 'handleMouseMoveDolly' );
dollyEnd.set( event.clientX, event.clientY );
dollyDelta.subVectors( dollyEnd, dollyStart );
if ( dollyDelta.y > 0 ) {
dollyIn( getZoomScale() );
} else if ( dollyDelta.y < 0 ) {
dollyOut( getZoomScale() );
}
theta += thetaDelta;
phi += phiDelta;
dollyStart.copy( dollyEnd );
// restrict theta to be between desired limits
theta = Math.max( this.minAzimuthAngle, Math.min( this.maxAzimuthAngle, theta ) );
scope.update();
// restrict phi to be between desired limits
phi = Math.max( this.minPolarAngle, Math.min( this.maxPolarAngle, phi ) );
}
function handleMouseMovePan( event ) {
//console.log( 'handleMouseMovePan' );
// restrict phi to be betwee EPS and PI-EPS
phi = Math.max( EPS, Math.min( Math.PI - EPS, phi ) );
panEnd.set( event.clientX, event.clientY );
var radius = offset.length() * scale;
panDelta.subVectors( panEnd, panStart