|
|
@@ -1,28 +1,35 @@
|
|
|
import {
|
|
|
- EventDispatcher,
|
|
|
MathUtils,
|
|
|
MOUSE,
|
|
|
Quaternion,
|
|
|
Vector2,
|
|
|
Vector3
|
|
|
} from 'three';
|
|
|
+import { Controls } from './Controls.js';
|
|
|
|
|
|
const _changeEvent = { type: 'change' };
|
|
|
const _startEvent = { type: 'start' };
|
|
|
const _endEvent = { type: 'end' };
|
|
|
|
|
|
-class TrackballControls extends EventDispatcher {
|
|
|
+const _EPS = 0.000001;
|
|
|
+const _STATE = { NONE: - 1, ROTATE: 0, ZOOM: 1, PAN: 2, TOUCH_ROTATE: 3, TOUCH_ZOOM_PAN: 4 };
|
|
|
|
|
|
- constructor( object, domElement ) {
|
|
|
+const _v2 = new Vector2();
|
|
|
+const _mouseChange = new Vector2();
|
|
|
+const _objectUp = new Vector3();
|
|
|
+const _pan = new Vector3();
|
|
|
+const _axis = new Vector3();
|
|
|
+const _quaternion = new Quaternion();
|
|
|
+const _eyeDirection = new Vector3();
|
|
|
+const _objectUpDirection = new Vector3();
|
|
|
+const _objectSidewaysDirection = new Vector3();
|
|
|
+const _moveDirection = new Vector3();
|
|
|
|
|
|
- super();
|
|
|
+class TrackballControls extends Controls {
|
|
|
|
|
|
- const scope = this;
|
|
|
- const STATE = { NONE: - 1, ROTATE: 0, ZOOM: 1, PAN: 2, TOUCH_ROTATE: 3, TOUCH_ZOOM_PAN: 4 };
|
|
|
+ constructor( object, domElement = null ) {
|
|
|
|
|
|
- this.object = object;
|
|
|
- this.domElement = domElement;
|
|
|
- this.domElement.style.touchAction = 'none'; // disable touch scroll
|
|
|
+ super( object, domElement );
|
|
|
|
|
|
// API
|
|
|
|
|
|
@@ -50,779 +57,773 @@ class TrackballControls extends EventDispatcher {
|
|
|
this.keys = [ 'KeyA' /*A*/, 'KeyS' /*S*/, 'KeyD' /*D*/ ];
|
|
|
|
|
|
this.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };
|
|
|
-
|
|
|
- // internals
|
|
|
+ this.state = _STATE.NONE;
|
|
|
+ this.keyState = _STATE.NONE;
|
|
|
|
|
|
this.target = new Vector3();
|
|
|
|
|
|
- const EPS = 0.000001;
|
|
|
-
|
|
|
- const lastPosition = new Vector3();
|
|
|
- let lastZoom = 1;
|
|
|
-
|
|
|
- let _state = STATE.NONE,
|
|
|
- _keyState = STATE.NONE,
|
|
|
-
|
|
|
- _touchZoomDistanceStart = 0,
|
|
|
- _touchZoomDistanceEnd = 0,
|
|
|
+ // internals
|
|
|
|
|
|
- _lastAngle = 0;
|
|
|
+ this._lastPosition = new Vector3();
|
|
|
+ this._lastZoom = 1;
|
|
|
+ this._touchZoomDistanceStart = 0;
|
|
|
+ this._touchZoomDistanceEnd = 0;
|
|
|
+ this._lastAngle = 0;
|
|
|
|
|
|
- const _eye = new Vector3(),
|
|
|
+ this._eye = new Vector3();
|
|
|
|
|
|
- _movePrev = new Vector2(),
|
|
|
- _moveCurr = new Vector2(),
|
|
|
+ this._movePrev = new Vector2();
|
|
|
+ this._moveCurr = new Vector2();
|
|
|
|
|
|
- _lastAxis = new Vector3(),
|
|
|
+ this._lastAxis = new Vector3();
|
|
|
|
|
|
- _zoomStart = new Vector2(),
|
|
|
- _zoomEnd = new Vector2(),
|
|
|
+ this._zoomStart = new Vector2();
|
|
|
+ this._zoomEnd = new Vector2();
|
|
|
|
|
|
- _panStart = new Vector2(),
|
|
|
- _panEnd = new Vector2(),
|
|
|
+ this._panStart = new Vector2();
|
|
|
+ this._panEnd = new Vector2();
|
|
|
|
|
|
- _pointers = [],
|
|
|
- _pointerPositions = {};
|
|
|
+ this._pointers = [];
|
|
|
+ this._pointerPositions = {};
|
|
|
|
|
|
- // for reset
|
|
|
+ // event listeners
|
|
|
|
|
|
- this.target0 = this.target.clone();
|
|
|
- this.position0 = this.object.position.clone();
|
|
|
- this.up0 = this.object.up.clone();
|
|
|
- this.zoom0 = this.object.zoom;
|
|
|
+ this._onPointerMove = onPointerMove.bind( this );
|
|
|
+ this._onPointerDown = onPointerDown.bind( this );
|
|
|
+ this._onPointerUp = onPointerUp.bind( this );
|
|
|
+ this._onPointerCancel = onPointerCancel.bind( this );
|
|
|
+ this._onContextMenu = onContextMenu.bind( this );
|
|
|
+ this._onMouseWheel = onMouseWheel.bind( this );
|
|
|
+ this._onKeyDown = onKeyDown.bind( this );
|
|
|
+ this._onKeyUp = onKeyUp.bind( this );
|
|
|
|
|
|
- // methods
|
|
|
+ this._onTouchStart = onTouchStart.bind( this );
|
|
|
+ this._onTouchMove = onTouchMove.bind( this );
|
|
|
+ this._onTouchEnd = onTouchEnd.bind( this );
|
|
|
|
|
|
- this.handleResize = function () {
|
|
|
+ this._onMouseDown = onMouseDown.bind( this );
|
|
|
+ this._onMouseMove = onMouseMove.bind( this );
|
|
|
+ this._onMouseUp = onMouseUp.bind( this );
|
|
|
|
|
|
- const box = scope.domElement.getBoundingClientRect();
|
|
|
- // adjustments come from similar code in the jquery offset() function
|
|
|
- const d = scope.domElement.ownerDocument.documentElement;
|
|
|
- scope.screen.left = box.left + window.pageXOffset - d.clientLeft;
|
|
|
- scope.screen.top = box.top + window.pageYOffset - d.clientTop;
|
|
|
- scope.screen.width = box.width;
|
|
|
- scope.screen.height = box.height;
|
|
|
+ // for reset
|
|
|
|
|
|
- };
|
|
|
+ this._target0 = this.target.clone();
|
|
|
+ this._position0 = this.object.position.clone();
|
|
|
+ this._up0 = this.object.up.clone();
|
|
|
+ this._zoom0 = this.object.zoom;
|
|
|
|
|
|
- const getMouseOnScreen = ( function () {
|
|
|
+ if ( domElement !== null ) {
|
|
|
|
|
|
- const vector = new Vector2();
|
|
|
+ this.connect();
|
|
|
|
|
|
- return function getMouseOnScreen( pageX, pageY ) {
|
|
|
+ this.handleResize();
|
|
|
|
|
|
- vector.set(
|
|
|
- ( pageX - scope.screen.left ) / scope.screen.width,
|
|
|
- ( pageY - scope.screen.top ) / scope.screen.height
|
|
|
- );
|
|
|
+ }
|
|
|
|
|
|
- return vector;
|
|
|
+ // force an update at start
|
|
|
+ this.update();
|
|
|
|
|
|
- };
|
|
|
+ }
|
|
|
|
|
|
- }() );
|
|
|
+ connect() {
|
|
|
|
|
|
- const getMouseOnCircle = ( function () {
|
|
|
+ window.addEventListener( 'keydown', this._onKeyDown );
|
|
|
+ window.addEventListener( 'keyup', this._onKeyUp );
|
|
|
|
|
|
- const vector = new Vector2();
|
|
|
+ this.domElement.addEventListener( 'pointerdown', this._onPointerDown );
|
|
|
+ this.domElement.addEventListener( 'pointercancel', this._onPointerCancel );
|
|
|
+ this.domElement.addEventListener( 'wheel', this._onMouseWheel, { passive: false } );
|
|
|
+ this.domElement.addEventListener( 'contextmenu', this._onContextMenu );
|
|
|
|
|
|
- return function getMouseOnCircle( pageX, pageY ) {
|
|
|
+ this.domElement.style.touchAction = 'none'; // disable touch scroll
|
|
|
|
|
|
- vector.set(
|
|
|
- ( ( pageX - scope.screen.width * 0.5 - scope.screen.left ) / ( scope.screen.width * 0.5 ) ),
|
|
|
- ( ( scope.screen.height + 2 * ( scope.screen.top - pageY ) ) / scope.screen.width ) // screen.width intentional
|
|
|
- );
|
|
|
+ }
|
|
|
|
|
|
- return vector;
|
|
|
+ disconnect() {
|
|
|
|
|
|
- };
|
|
|
+ window.removeEventListener( 'keydown', this._onKeyDown );
|
|
|
+ window.removeEventListener( 'keyup', this._onKeyUp );
|
|
|
|
|
|
- }() );
|
|
|
+ this.domElement.removeEventListener( 'pointerdown', this._onPointerDown );
|
|
|
+ this.domElement.removeEventListener( 'pointermove', this._onPointerMove );
|
|
|
+ this.domElement.removeEventListener( 'pointerup', this._onPointerUp );
|
|
|
+ this.domElement.removeEventListener( 'pointercancel', this._onPointerCancel );
|
|
|
+ this.domElement.removeEventListener( 'wheel', this._onMouseWheel );
|
|
|
+ this.domElement.removeEventListener( 'contextmenu', this._onContextMenu );
|
|
|
|
|
|
- this.rotateCamera = ( function () {
|
|
|
+ this.domElement.style.touchAction = 'auto'; // disable touch scroll
|
|
|
|
|
|
- const axis = new Vector3(),
|
|
|
- quaternion = new Quaternion(),
|
|
|
- eyeDirection = new Vector3(),
|
|
|
- objectUpDirection = new Vector3(),
|
|
|
- objectSidewaysDirection = new Vector3(),
|
|
|
- moveDirection = new Vector3();
|
|
|
+ }
|
|
|
|
|
|
- return function rotateCamera() {
|
|
|
+ dispose() {
|
|
|
|
|
|
- moveDirection.set( _moveCurr.x - _movePrev.x, _moveCurr.y - _movePrev.y, 0 );
|
|
|
- let angle = moveDirection.length();
|
|
|
+ this.disconnect();
|
|
|
|
|
|
- if ( angle ) {
|
|
|
+ }
|
|
|
|
|
|
- _eye.copy( scope.object.position ).sub( scope.target );
|
|
|
+ handleResize() {
|
|
|
|
|
|
- eyeDirection.copy( _eye ).normalize();
|
|
|
- objectUpDirection.copy( scope.object.up ).normalize();
|
|
|
- objectSidewaysDirection.crossVectors( objectUpDirection, eyeDirection ).normalize();
|
|
|
+ const box = this.domElement.getBoundingClientRect();
|
|
|
+ // adjustments come from similar code in the jquery offset() function
|
|
|
+ const d = this.domElement.ownerDocument.documentElement;
|
|
|
|
|
|
- objectUpDirection.setLength( _moveCurr.y - _movePrev.y );
|
|
|
- objectSidewaysDirection.setLength( _moveCurr.x - _movePrev.x );
|
|
|
+ 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;
|
|
|
|
|
|
- moveDirection.copy( objectUpDirection.add( objectSidewaysDirection ) );
|
|
|
+ }
|
|
|
|
|
|
- axis.crossVectors( moveDirection, _eye ).normalize();
|
|
|
+ update() {
|
|
|
|
|
|
- angle *= scope.rotateSpeed;
|
|
|
- quaternion.setFromAxisAngle( axis, angle );
|
|
|
+ this._eye.subVectors( this.object.position, this.target );
|
|
|
|
|
|
- _eye.applyQuaternion( quaternion );
|
|
|
- scope.object.up.applyQuaternion( quaternion );
|
|
|
+ if ( ! this.noRotate ) {
|
|
|
|
|
|
- _lastAxis.copy( axis );
|
|
|
- _lastAngle = angle;
|
|
|
+ this._rotateCamera();
|
|
|
|
|
|
- } else if ( ! scope.staticMoving && _lastAngle ) {
|
|
|
+ }
|
|
|
|
|
|
- _lastAngle *= Math.sqrt( 1.0 - scope.dynamicDampingFactor );
|
|
|
- _eye.copy( scope.object.position ).sub( scope.target );
|
|
|
- quaternion.setFromAxisAngle( _lastAxis, _lastAngle );
|
|
|
- _eye.applyQuaternion( quaternion );
|
|
|
- scope.object.up.applyQuaternion( quaternion );
|
|
|
+ if ( ! this.noZoom ) {
|
|
|
|
|
|
- }
|
|
|
+ this._zoomCamera();
|
|
|
|
|
|
- _movePrev.copy( _moveCurr );
|
|
|
+ }
|
|
|
|
|
|
- };
|
|
|
+ if ( ! this.noPan ) {
|
|
|
|
|
|
- }() );
|
|
|
+ this._panCamera();
|
|
|
|
|
|
+ }
|
|
|
|
|
|
- this.zoomCamera = function () {
|
|
|
+ this.object.position.addVectors( this.target, this._eye );
|
|
|
|
|
|
- let factor;
|
|
|
+ if ( this.object.isPerspectiveCamera ) {
|
|
|
|
|
|
- if ( _state === STATE.TOUCH_ZOOM_PAN ) {
|
|
|
+ this._checkDistances();
|
|
|
|
|
|
- factor = _touchZoomDistanceStart / _touchZoomDistanceEnd;
|
|
|
- _touchZoomDistanceStart = _touchZoomDistanceEnd;
|
|
|
+ this.object.lookAt( this.target );
|
|
|
|
|
|
- if ( scope.object.isPerspectiveCamera ) {
|
|
|
+ if ( this._lastPosition.distanceToSquared( this.object.position ) > _EPS ) {
|
|
|
|
|
|
- _eye.multiplyScalar( factor );
|
|
|
+ this.dispatchEvent( _changeEvent );
|
|
|
|
|
|
- } else if ( scope.object.isOrthographicCamera ) {
|
|
|
+ this._lastPosition.copy( this.object.position );
|
|
|
|
|
|
- scope.object.zoom = MathUtils.clamp( scope.object.zoom / factor, scope.minZoom, scope.maxZoom );
|
|
|
+ }
|
|
|
|
|
|
- if ( lastZoom !== scope.object.zoom ) {
|
|
|
+ } else if ( this.object.isOrthographicCamera ) {
|
|
|
|
|
|
- scope.object.updateProjectionMatrix();
|
|
|
+ this.object.lookAt( this.target );
|
|
|
|
|
|
- }
|
|
|
+ if ( this._lastPosition.distanceToSquared( this.object.position ) > _EPS || this._lastZoom !== this.object.zoom ) {
|
|
|
|
|
|
- } else {
|
|
|
+ this.dispatchEvent( _changeEvent );
|
|
|
|
|
|
- console.warn( 'THREE.TrackballControls: Unsupported camera type' );
|
|
|
+ this._lastPosition.copy( this.object.position );
|
|
|
+ this._lastZoom = this.object.zoom;
|
|
|
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- } else {
|
|
|
+ } else {
|
|
|
|
|
|
- factor = 1.0 + ( _zoomEnd.y - _zoomStart.y ) * scope.zoomSpeed;
|
|
|
+ console.warn( 'THREE.TrackballControls: Unsupported camera type.' );
|
|
|
|
|
|
- if ( factor !== 1.0 && factor > 0.0 ) {
|
|
|
+ }
|
|
|
|
|
|
- if ( scope.object.isPerspectiveCamera ) {
|
|
|
+ }
|
|
|
|
|
|
- _eye.multiplyScalar( factor );
|
|
|
+ reset() {
|
|
|
|
|
|
- } else if ( scope.object.isOrthographicCamera ) {
|
|
|
+ this.state = _STATE.NONE;
|
|
|
+ this.keyState = _STATE.NONE;
|
|
|
|
|
|
- scope.object.zoom = MathUtils.clamp( scope.object.zoom / factor, scope.minZoom, scope.maxZoom );
|
|
|
+ this.target.copy( this._target0 );
|
|
|
+ this.object.position.copy( this._position0 );
|
|
|
+ this.object.up.copy( this._up0 );
|
|
|
+ this.object.zoom = this._zoom0;
|
|
|
|
|
|
- if ( lastZoom !== scope.object.zoom ) {
|
|
|
+ this.object.updateProjectionMatrix();
|
|
|
|
|
|
- scope.object.updateProjectionMatrix();
|
|
|
+ this._eye.subVectors( this.object.position, this.target );
|
|
|
|
|
|
- }
|
|
|
+ this.object.lookAt( this.target );
|
|
|
|
|
|
- } else {
|
|
|
+ this.dispatchEvent( _changeEvent );
|
|
|
|
|
|
- console.warn( 'THREE.TrackballControls: Unsupported camera type' );
|
|
|
+ this._lastPosition.copy( this.object.position );
|
|
|
+ this._lastZoom = this.object.zoom;
|
|
|
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- }
|
|
|
+ _panCamera() {
|
|
|
|
|
|
- if ( scope.staticMoving ) {
|
|
|
+ _mouseChange.copy( this._panEnd ).sub( this._panStart );
|
|
|
|
|
|
- _zoomStart.copy( _zoomEnd );
|
|
|
+ if ( _mouseChange.lengthSq() ) {
|
|
|
|
|
|
- } else {
|
|
|
+ if ( this.object.isOrthographicCamera ) {
|
|
|
|
|
|
- _zoomStart.y += ( _zoomEnd.y - _zoomStart.y ) * this.dynamicDampingFactor;
|
|
|
+ const scale_x = ( this.object.right - this.object.left ) / this.object.zoom / this.domElement.clientWidth;
|
|
|
+ const scale_y = ( this.object.top - this.object.bottom ) / this.object.zoom / this.domElement.clientWidth;
|
|
|
|
|
|
- }
|
|
|
+ _mouseChange.x *= scale_x;
|
|
|
+ _mouseChange.y *= scale_y;
|
|
|
|
|
|
}
|
|
|
|
|
|
- };
|
|
|
-
|
|
|
- this.panCamera = ( function () {
|
|
|
-
|
|
|
- const mouseChange = new Vector2(),
|
|
|
- objectUp = new Vector3(),
|
|
|
- pan = new Vector3();
|
|
|
+ _mouseChange.multiplyScalar( this._eye.length() * this.panSpeed );
|
|
|
|
|
|
- return function panCamera() {
|
|
|
+ _pan.copy( this._eye ).cross( this.object.up ).setLength( _mouseChange.x );
|
|
|
+ _pan.add( _objectUp.copy( this.object.up ).setLength( _mouseChange.y ) );
|
|
|
|
|
|
- mouseChange.copy( _panEnd ).sub( _panStart );
|
|
|
+ this.object.position.add( _pan );
|
|
|
+ this.target.add( _pan );
|
|
|
|
|
|
- if ( mouseChange.lengthSq() ) {
|
|
|
+ if ( this.staticMoving ) {
|
|
|
|
|
|
- if ( scope.object.isOrthographicCamera ) {
|
|
|
+ this._panStart.copy( this._panEnd );
|
|
|
|
|
|
- const scale_x = ( scope.object.right - scope.object.left ) / scope.object.zoom / scope.domElement.clientWidth;
|
|
|
- const scale_y = ( scope.object.top - scope.object.bottom ) / scope.object.zoom / scope.domElement.clientWidth;
|
|
|
+ } else {
|
|
|
|
|
|
- mouseChange.x *= scale_x;
|
|
|
- mouseChange.y *= scale_y;
|
|
|
+ this._panStart.add( _mouseChange.subVectors( this._panEnd, this._panStart ).multiplyScalar( this.dynamicDampingFactor ) );
|
|
|
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- mouseChange.multiplyScalar( _eye.length() * scope.panSpeed );
|
|
|
+ }
|
|
|
|
|
|
- pan.copy( _eye ).cross( scope.object.up ).setLength( mouseChange.x );
|
|
|
- pan.add( objectUp.copy( scope.object.up ).setLength( mouseChange.y ) );
|
|
|
+ }
|
|
|
|
|
|
- scope.object.position.add( pan );
|
|
|
- scope.target.add( pan );
|
|
|
+ _rotateCamera() {
|
|
|
|
|
|
- if ( scope.staticMoving ) {
|
|
|
+ _moveDirection.set( this._moveCurr.x - this._movePrev.x, this._moveCurr.y - this._movePrev.y, 0 );
|
|
|
+ let angle = _moveDirection.length();
|
|
|
|
|
|
- _panStart.copy( _panEnd );
|
|
|
+ if ( angle ) {
|
|
|
|
|
|
- } else {
|
|
|
+ this._eye.copy( this.object.position ).sub( this.target );
|
|
|
|
|
|
- _panStart.add( mouseChange.subVectors( _panEnd, _panStart ).multiplyScalar( scope.dynamicDampingFactor ) );
|
|
|
+ _eyeDirection.copy( this._eye ).normalize();
|
|
|
+ _objectUpDirection.copy( this.object.up ).normalize();
|
|
|
+ _objectSidewaysDirection.crossVectors( _objectUpDirection, _eyeDirection ).normalize();
|
|
|
|
|
|
- }
|
|
|
+ _objectUpDirection.setLength( this._moveCurr.y - this._movePrev.y );
|
|
|
+ _objectSidewaysDirection.setLength( this._moveCurr.x - this._movePrev.x );
|
|
|
|
|
|
- }
|
|
|
+ _moveDirection.copy( _objectUpDirection.add( _objectSidewaysDirection ) );
|
|
|
|
|
|
- };
|
|
|
+ _axis.crossVectors( _moveDirection, this._eye ).normalize();
|
|
|
|
|
|
- }() );
|
|
|
+ angle *= this.rotateSpeed;
|
|
|
+ _quaternion.setFromAxisAngle( _axis, angle );
|
|
|
|
|
|
- this.checkDistances = function () {
|
|
|
+ this._eye.applyQuaternion( _quaternion );
|
|
|
+ this.object.up.applyQuaternion( _quaternion );
|
|
|
|
|
|
- if ( ! scope.noZoom || ! scope.noPan ) {
|
|
|
+ this._lastAxis.copy( _axis );
|
|
|
+ this._lastAngle = angle;
|
|
|
|
|
|
- if ( _eye.lengthSq() > scope.maxDistance * scope.maxDistance ) {
|
|
|
+ } else if ( ! this.staticMoving && this._lastAngle ) {
|
|
|
|
|
|
- scope.object.position.addVectors( scope.target, _eye.setLength( scope.maxDistance ) );
|
|
|
- _zoomStart.copy( _zoomEnd );
|
|
|
+ this._lastAngle *= Math.sqrt( 1.0 - this.dynamicDampingFactor );
|
|
|
+ this._eye.copy( this.object.position ).sub( this.target );
|
|
|
+ _quaternion.setFromAxisAngle( this._lastAxis, this._lastAngle );
|
|
|
+ this._eye.applyQuaternion( _quaternion );
|
|
|
+ this.object.up.applyQuaternion( _quaternion );
|
|
|
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- if ( _eye.lengthSq() < scope.minDistance * scope.minDistance ) {
|
|
|
+ this._movePrev.copy( this._moveCurr );
|
|
|
|
|
|
- scope.object.position.addVectors( scope.target, _eye.setLength( scope.minDistance ) );
|
|
|
- _zoomStart.copy( _zoomEnd );
|
|
|
+ }
|
|
|
|
|
|
- }
|
|
|
+ _zoomCamera() {
|
|
|
|
|
|
- }
|
|
|
+ let factor;
|
|
|
|
|
|
- };
|
|
|
+ if ( this.state === _STATE.TOUCH_ZOOM_PAN ) {
|
|
|
|
|
|
- this.update = function () {
|
|
|
+ factor = this._touchZoomDistanceStart / this._touchZoomDistanceEnd;
|
|
|
+ this._touchZoomDistanceStart = this._touchZoomDistanceEnd;
|
|
|
|
|
|
- _eye.subVectors( scope.object.position, scope.target );
|
|
|
+ if ( this.object.isPerspectiveCamera ) {
|
|
|
|
|
|
- if ( ! scope.noRotate ) {
|
|
|
+ this._eye.multiplyScalar( factor );
|
|
|
|
|
|
- scope.rotateCamera();
|
|
|
+ } else if ( this.object.isOrthographicCamera ) {
|
|
|
|
|
|
- }
|
|
|
+ this.object.zoom = MathUtils.clamp( this.object.zoom / factor, this.minZoom, this.maxZoom );
|
|
|
|
|
|
- if ( ! scope.noZoom ) {
|
|
|
+ if ( this._lastZoom !== this.object.zoom ) {
|
|
|
|
|
|
- scope.zoomCamera();
|
|
|
+ this.object.updateProjectionMatrix();
|
|
|
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- if ( ! scope.noPan ) {
|
|
|
+ } else {
|
|
|
|
|
|
- scope.panCamera();
|
|
|
+ console.warn( 'THREE.TrackballControls: Unsupported camera type' );
|
|
|
|
|
|
}
|
|
|
|
|
|
- scope.object.position.addVectors( scope.target, _eye );
|
|
|
+ } else {
|
|
|
|
|
|
- if ( scope.object.isPerspectiveCamera ) {
|
|
|
+ factor = 1.0 + ( this._zoomEnd.y - this._zoomStart.y ) * this.zoomSpeed;
|
|
|
|
|
|
- scope.checkDistances();
|
|
|
+ if ( factor !== 1.0 && factor > 0.0 ) {
|
|
|
|
|
|
- scope.object.lookAt( scope.target );
|
|
|
+ if ( this.object.isPerspectiveCamera ) {
|
|
|
|
|
|
- if ( lastPosition.distanceToSquared( scope.object.position ) > EPS ) {
|
|
|
+ this._eye.multiplyScalar( factor );
|
|
|
|
|
|
- scope.dispatchEvent( _changeEvent );
|
|
|
+ } else if ( this.object.isOrthographicCamera ) {
|
|
|
|
|
|
- lastPosition.copy( scope.object.position );
|
|
|
+ this.object.zoom = MathUtils.clamp( this.object.zoom / factor, this.minZoom, this.maxZoom );
|
|
|
|
|
|
- }
|
|
|
-
|
|
|
- } else if ( scope.object.isOrthographicCamera ) {
|
|
|
+ if ( this._lastZoom !== this.object.zoom ) {
|
|
|
|
|
|
- scope.object.lookAt( scope.target );
|
|
|
+ this.object.updateProjectionMatrix();
|
|
|
|
|
|
- if ( lastPosition.distanceToSquared( scope.object.position ) > EPS || lastZoom !== scope.object.zoom ) {
|
|
|
+ }
|
|
|
|
|
|
- scope.dispatchEvent( _changeEvent );
|
|
|
+ } else {
|
|
|
|
|
|
- lastPosition.copy( scope.object.position );
|
|
|
- lastZoom = scope.object.zoom;
|
|
|
+ console.warn( 'THREE.TrackballControls: Unsupported camera type' );
|
|
|
|
|
|
}
|
|
|
|
|
|
- } else {
|
|
|
-
|
|
|
- console.warn( 'THREE.TrackballControls: Unsupported camera type' );
|
|
|
-
|
|
|
}
|
|
|
|
|
|
- };
|
|
|
+ if ( this.staticMoving ) {
|
|
|
|
|
|
- this.reset = function () {
|
|
|
+ this._zoomStart.copy( this._zoomEnd );
|
|
|
|
|
|
- _state = STATE.NONE;
|
|
|
- _keyState = STATE.NONE;
|
|
|
+ } else {
|
|
|
|
|
|
- scope.target.copy( scope.target0 );
|
|
|
- scope.object.position.copy( scope.position0 );
|
|
|
- scope.object.up.copy( scope.up0 );
|
|
|
- scope.object.zoom = scope.zoom0;
|
|
|
+ this._zoomStart.y += ( this._zoomEnd.y - this._zoomStart.y ) * this.dynamicDampingFactor;
|
|
|
|
|
|
- scope.object.updateProjectionMatrix();
|
|
|
+ }
|
|
|
|
|
|
- _eye.subVectors( scope.object.position, scope.target );
|
|
|
+ }
|
|
|
|
|
|
- scope.object.lookAt( scope.target );
|
|
|
+ }
|
|
|
|
|
|
- scope.dispatchEvent( _changeEvent );
|
|
|
+ _getMouseOnScreen( pageX, pageY ) {
|
|
|
|
|
|
- lastPosition.copy( scope.object.position );
|
|
|
- lastZoom = scope.object.zoom;
|
|
|
+ _v2.set(
|
|
|
+ ( pageX - this.screen.left ) / this.screen.width,
|
|
|
+ ( pageY - this.screen.top ) / this.screen.height
|
|
|
+ );
|
|
|
|
|
|
- };
|
|
|
+ return _v2;
|
|
|
|
|
|
- // listeners
|
|
|
+ }
|
|
|
|
|
|
- function onPointerDown( event ) {
|
|
|
+ _getMouseOnCircle( pageX, pageY ) {
|
|
|
|
|
|
- if ( scope.enabled === false ) return;
|
|
|
+ _v2.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
|
|
|
+ );
|
|
|
|
|
|
- if ( _pointers.length === 0 ) {
|
|
|
+ return _v2;
|
|
|
|
|
|
- scope.domElement.setPointerCapture( event.pointerId );
|
|
|
+ }
|
|
|
|
|
|
- scope.domElement.addEventListener( 'pointermove', onPointerMove );
|
|
|
- scope.domElement.addEventListener( 'pointerup', onPointerUp );
|
|
|
+ _addPointer( event ) {
|
|
|
|
|
|
- }
|
|
|
+ this._pointers.push( event );
|
|
|
|
|
|
- //
|
|
|
+ }
|
|
|
|
|
|
- addPointer( event );
|
|
|
+ _removePointer( event ) {
|
|
|
|
|
|
- if ( event.pointerType === 'touch' ) {
|
|
|
+ delete this._pointerPositions[ event.pointerId ];
|
|
|
|
|
|
- onTouchStart( event );
|
|
|
+ for ( let i = 0; i < this._pointers.length; i ++ ) {
|
|
|
|
|
|
- } else {
|
|
|
+ if ( this._pointers[ i ].pointerId == event.pointerId ) {
|
|
|
|
|
|
- onMouseDown( event );
|
|
|
+ this._pointers.splice( i, 1 );
|
|
|
+ return;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
- function onPointerMove( event ) {
|
|
|
-
|
|
|
- if ( scope.enabled === false ) return;
|
|
|
+ }
|
|
|
|
|
|
- if ( event.pointerType === 'touch' ) {
|
|
|
+ _trackPointer( event ) {
|
|
|
|
|
|
- onTouchMove( event );
|
|
|
+ let position = this._pointerPositions[ event.pointerId ];
|
|
|
|
|
|
- } else {
|
|
|
+ if ( position === undefined ) {
|
|
|
|
|
|
- onMouseMove( event );
|
|
|
-
|
|
|
- }
|
|
|
+ position = new Vector2();
|
|
|
+ this._pointerPositions[ event.pointerId ] = position;
|
|
|
|
|
|
}
|
|
|
|
|
|
- function onPointerUp( event ) {
|
|
|
+ position.set( event.pageX, event.pageY );
|
|
|
+
|
|
|
+ }
|
|
|
|
|
|
- if ( scope.enabled === false ) return;
|
|
|
+ _getSecondPointerPosition( event ) {
|
|
|
|
|
|
- if ( event.pointerType === 'touch' ) {
|
|
|
+ const pointer = ( event.pointerId === this._pointers[ 0 ].pointerId ) ? this._pointers[ 1 ] : this._pointers[ 0 ];
|
|
|
|
|
|
- onTouchEnd( event );
|
|
|
+ return this._pointerPositions[ pointer.pointerId ];
|
|
|
|
|
|
- } else {
|
|
|
+ }
|
|
|
|
|
|
- onMouseUp();
|
|
|
+ _checkDistances() {
|
|
|
|
|
|
- }
|
|
|
+ if ( ! this.noZoom || ! this.noPan ) {
|
|
|
|
|
|
- //
|
|
|
+ if ( this._eye.lengthSq() > this.maxDistance * this.maxDistance ) {
|
|
|
|
|
|
- removePointer( event );
|
|
|
+ this.object.position.addVectors( this.target, this._eye.setLength( this.maxDistance ) );
|
|
|
+ this._zoomStart.copy( this._zoomEnd );
|
|
|
|
|
|
- if ( _pointers.length === 0 ) {
|
|
|
+ }
|
|
|
|
|
|
- scope.domElement.releasePointerCapture( event.pointerId );
|
|
|
+ if ( this._eye.lengthSq() < this.minDistance * this.minDistance ) {
|
|
|
|
|
|
- scope.domElement.removeEventListener( 'pointermove', onPointerMove );
|
|
|
- scope.domElement.removeEventListener( 'pointerup', onPointerUp );
|
|
|
+ this.object.position.addVectors( this.target, this._eye.setLength( this.minDistance ) );
|
|
|
+ this._zoomStart.copy( this._zoomEnd );
|
|
|
|
|
|
}
|
|
|
|
|
|
-
|
|
|
}
|
|
|
|
|
|
- function onPointerCancel( event ) {
|
|
|
+ }
|
|
|
|
|
|
- removePointer( event );
|
|
|
+}
|
|
|
|
|
|
- }
|
|
|
+function onPointerDown( event ) {
|
|
|
|
|
|
- function keydown( event ) {
|
|
|
+ if ( this.enabled === false ) return;
|
|
|
|
|
|
- if ( scope.enabled === false ) return;
|
|
|
+ if ( this._pointers.length === 0 ) {
|
|
|
|
|
|
- window.removeEventListener( 'keydown', keydown );
|
|
|
+ this.domElement.setPointerCapture( event.pointerId );
|
|
|
|
|
|
- if ( _keyState !== STATE.NONE ) {
|
|
|
+ this.domElement.addEventListener( 'pointermove', this._onPointerMove );
|
|
|
+ this.domElement.addEventListener( 'pointerup', this._onPointerUp );
|
|
|
|
|
|
- return;
|
|
|
+ }
|
|
|
|
|
|
- } else if ( event.code === scope.keys[ STATE.ROTATE ] && ! scope.noRotate ) {
|
|
|
+ //
|
|
|
|
|
|
- _keyState = STATE.ROTATE;
|
|
|
+ this._addPointer( event );
|
|
|
|
|
|
- } else if ( event.code === scope.keys[ STATE.ZOOM ] && ! scope.noZoom ) {
|
|
|
+ if ( event.pointerType === 'touch' ) {
|
|
|
|
|
|
- _keyState = STATE.ZOOM;
|
|
|
+ this._onTouchStart( event );
|
|
|
|
|
|
- } else if ( event.code === scope.keys[ STATE.PAN ] && ! scope.noPan ) {
|
|
|
+ } else {
|
|
|
|
|
|
- _keyState = STATE.PAN;
|
|
|
+ this._onMouseDown( event );
|
|
|
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- }
|
|
|
+}
|
|
|
|
|
|
- function keyup() {
|
|
|
+function onPointerMove( event ) {
|
|
|
|
|
|
- if ( scope.enabled === false ) return;
|
|
|
+ if ( this.enabled === false ) return;
|
|
|
|
|
|
- _keyState = STATE.NONE;
|
|
|
+ if ( event.pointerType === 'touch' ) {
|
|
|
|
|
|
- window.addEventListener( 'keydown', keydown );
|
|
|
+ this._onTouchMove( event );
|
|
|
|
|
|
- }
|
|
|
+ } else {
|
|
|
|
|
|
- function onMouseDown( event ) {
|
|
|
+ this._onMouseMove( event );
|
|
|
|
|
|
- if ( _state === STATE.NONE ) {
|
|
|
+ }
|
|
|
|
|
|
- switch ( event.button ) {
|
|
|
+}
|
|
|
|
|
|
- case scope.mouseButtons.LEFT:
|
|
|
- _state = STATE.ROTATE;
|
|
|
- break;
|
|
|
+function onPointerUp( event ) {
|
|
|
|
|
|
- case scope.mouseButtons.MIDDLE:
|
|
|
- _state = STATE.ZOOM;
|
|
|
- break;
|
|
|
+ if ( this.enabled === false ) return;
|
|
|
|
|
|
- case scope.mouseButtons.RIGHT:
|
|
|
- _state = STATE.PAN;
|
|
|
- break;
|
|
|
+ if ( event.pointerType === 'touch' ) {
|
|
|
|
|
|
- }
|
|
|
+ this._onTouchEnd( event );
|
|
|
|
|
|
- }
|
|
|
+ } else {
|
|
|
|
|
|
- const state = ( _keyState !== STATE.NONE ) ? _keyState : _state;
|
|
|
+ this._onMouseUp();
|
|
|
|
|
|
- if ( state === STATE.ROTATE && ! scope.noRotate ) {
|
|
|
+ }
|
|
|
|
|
|
- _moveCurr.copy( getMouseOnCircle( event.pageX, event.pageY ) );
|
|
|
- _movePrev.copy( _moveCurr );
|
|
|
+ //
|
|
|
|
|
|
- } else if ( state === STATE.ZOOM && ! scope.noZoom ) {
|
|
|
+ this._removePointer( event );
|
|
|
|
|
|
- _zoomStart.copy( getMouseOnScreen( event.pageX, event.pageY ) );
|
|
|
- _zoomEnd.copy( _zoomStart );
|
|
|
+ if ( this._pointers.length === 0 ) {
|
|
|
|
|
|
- } else if ( state === STATE.PAN && ! scope.noPan ) {
|
|
|
+ this.domElement.releasePointerCapture( event.pointerId );
|
|
|
|
|
|
- _panStart.copy( getMouseOnScreen( event.pageX, event.pageY ) );
|
|
|
- _panEnd.copy( _panStart );
|
|
|
+ this.domElement.removeEventListener( 'pointermove', this._onPointerMove );
|
|
|
+ this.domElement.removeEventListener( 'pointerup', this._onPointerUp );
|
|
|
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- scope.dispatchEvent( _startEvent );
|
|
|
+}
|
|
|
|
|
|
- }
|
|
|
+function onPointerCancel( event ) {
|
|
|
|
|
|
- function onMouseMove( event ) {
|
|
|
+ this._removePointer( event );
|
|
|
|
|
|
- const state = ( _keyState !== STATE.NONE ) ? _keyState : _state;
|
|
|
+}
|
|
|
|
|
|
- if ( state === STATE.ROTATE && ! scope.noRotate ) {
|
|
|
+function onKeyUp() {
|
|
|
|
|
|
- _movePrev.copy( _moveCurr );
|
|
|
- _moveCurr.copy( getMouseOnCircle( event.pageX, event.pageY ) );
|
|
|
+ if ( this.enabled === false ) return;
|
|
|
|
|
|
- } else if ( state === STATE.ZOOM && ! scope.noZoom ) {
|
|
|
+ this.keyState = _STATE.NONE;
|
|
|
|
|
|
- _zoomEnd.copy( getMouseOnScreen( event.pageX, event.pageY ) );
|
|
|
+ window.addEventListener( 'keydown', this._onKeyDown );
|
|
|
|
|
|
- } else if ( state === STATE.PAN && ! scope.noPan ) {
|
|
|
+}
|
|
|
|
|
|
- _panEnd.copy( getMouseOnScreen( event.pageX, event.pageY ) );
|
|
|
+function onKeyDown( event ) {
|
|
|
|
|
|
- }
|
|
|
+ if ( this.enabled === false ) return;
|
|
|
|
|
|
- }
|
|
|
+ window.removeEventListener( 'keydown', this._onKeyDown );
|
|
|
|
|
|
- function onMouseUp() {
|
|
|
+ if ( this.keyState !== _STATE.NONE ) {
|
|
|
|
|
|
- _state = STATE.NONE;
|
|
|
+ return;
|
|
|
|
|
|
- scope.dispatchEvent( _endEvent );
|
|
|
+ } else if ( event.code === this.keys[ _STATE.ROTATE ] && ! this.noRotate ) {
|
|
|
|
|
|
- }
|
|
|
+ this.keyState = _STATE.ROTATE;
|
|
|
|
|
|
- function onMouseWheel( event ) {
|
|
|
+ } else if ( event.code === this.keys[ _STATE.ZOOM ] && ! this.noZoom ) {
|
|
|
|
|
|
- if ( scope.enabled === false ) return;
|
|
|
+ this.keyState = _STATE.ZOOM;
|
|
|
|
|
|
- if ( scope.noZoom === true ) return;
|
|
|
+ } else if ( event.code === this.keys[ _STATE.PAN ] && ! this.noPan ) {
|
|
|
|
|
|
- event.preventDefault();
|
|
|
+ this.keyState = _STATE.PAN;
|
|
|
|
|
|
- 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;
|
|
|
+function onMouseDown( event ) {
|
|
|
|
|
|
- default:
|
|
|
- // undefined, 0, assume pixels
|
|
|
- _zoomStart.y -= event.deltaY * 0.00025;
|
|
|
- break;
|
|
|
+ if ( this.state === _STATE.NONE ) {
|
|
|
|
|
|
- }
|
|
|
+ switch ( event.button ) {
|
|
|
|
|
|
- scope.dispatchEvent( _startEvent );
|
|
|
- scope.dispatchEvent( _endEvent );
|
|
|
+ case this.mouseButtons.LEFT:
|
|
|
+ this.state = _STATE.ROTATE;
|
|
|
+ break;
|
|
|
|
|
|
- }
|
|
|
+ case this.mouseButtons.MIDDLE:
|
|
|
+ this.state = _STATE.ZOOM;
|
|
|
+ break;
|
|
|
|
|
|
- function onTouchStart( event ) {
|
|
|
+ case this.mouseButtons.RIGHT:
|
|
|
+ this.state = _STATE.PAN;
|
|
|
+ break;
|
|
|
|
|
|
- trackPointer( event );
|
|
|
+ }
|
|
|
|
|
|
- switch ( _pointers.length ) {
|
|
|
+ }
|
|
|
|
|
|
- case 1:
|
|
|
- _state = STATE.TOUCH_ROTATE;
|
|
|
- _moveCurr.copy( getMouseOnCircle( _pointers[ 0 ].pageX, _pointers[ 0 ].pageY ) );
|
|
|
- _movePrev.copy( _moveCurr );
|
|
|
- break;
|
|
|
+ const state = ( this.keyState !== _STATE.NONE ) ? this.keyState : this.state;
|
|
|
|
|
|
- default: // 2 or more
|
|
|
- _state = STATE.TOUCH_ZOOM_PAN;
|
|
|
- const dx = _pointers[ 0 ].pageX - _pointers[ 1 ].pageX;
|
|
|
- const dy = _pointers[ 0 ].pageY - _pointers[ 1 ].pageY;
|
|
|
- _touchZoomDistanceEnd = _touchZoomDistanceStart = Math.sqrt( dx * dx + dy * dy );
|
|
|
+ if ( state === _STATE.ROTATE && ! this.noRotate ) {
|
|
|
|
|
|
- const x = ( _pointers[ 0 ].pageX + _pointers[ 1 ].pageX ) / 2;
|
|
|
- const y = ( _pointers[ 0 ].pageY + _pointers[ 1 ].pageY ) / 2;
|
|
|
- _panStart.copy( getMouseOnScreen( x, y ) );
|
|
|
- _panEnd.copy( _panStart );
|
|
|
- break;
|
|
|
+ this._moveCurr.copy( this._getMouseOnCircle( event.pageX, event.pageY ) );
|
|
|
+ this._movePrev.copy( this._moveCurr );
|
|
|
|
|
|
- }
|
|
|
+ } else if ( state === _STATE.ZOOM && ! this.noZoom ) {
|
|
|
|
|
|
- scope.dispatchEvent( _startEvent );
|
|
|
+ this._zoomStart.copy( this._getMouseOnScreen( event.pageX, event.pageY ) );
|
|
|
+ this._zoomEnd.copy( this._zoomStart );
|
|
|
|
|
|
- }
|
|
|
+ } else if ( state === _STATE.PAN && ! this.noPan ) {
|
|
|
|
|
|
- function onTouchMove( event ) {
|
|
|
+ this._panStart.copy( this._getMouseOnScreen( event.pageX, event.pageY ) );
|
|
|
+ this._panEnd.copy( this._panStart );
|
|
|
|
|
|
- trackPointer( event );
|
|
|
+ }
|
|
|
|
|
|
- switch ( _pointers.length ) {
|
|
|
+ this.dispatchEvent( _startEvent );
|
|
|
|
|
|
- case 1:
|
|
|
- _movePrev.copy( _moveCurr );
|
|
|
- _moveCurr.copy( getMouseOnCircle( event.pageX, event.pageY ) );
|
|
|
- break;
|
|
|
+}
|
|
|
|
|
|
- default: // 2 or more
|
|
|
+function onMouseMove( event ) {
|
|
|
|
|
|
- const position = getSecondPointerPosition( event );
|
|
|
+ const state = ( this.keyState !== _STATE.NONE ) ? this.keyState : this.state;
|
|
|
|
|
|
- const dx = event.pageX - position.x;
|
|
|
- const dy = event.pageY - position.y;
|
|
|
- _touchZoomDistanceEnd = Math.sqrt( dx * dx + dy * dy );
|
|
|
+ if ( state === _STATE.ROTATE && ! this.noRotate ) {
|
|
|
|
|
|
- const x = ( event.pageX + position.x ) / 2;
|
|
|
- const y = ( event.pageY + position.y ) / 2;
|
|
|
- _panEnd.copy( getMouseOnScreen( x, y ) );
|
|
|
- break;
|
|
|
+ this._movePrev.copy( this._moveCurr );
|
|
|
+ this._moveCurr.copy( this._getMouseOnCircle( event.pageX, event.pageY ) );
|
|
|
|
|
|
- }
|
|
|
+ } else if ( state === _STATE.ZOOM && ! this.noZoom ) {
|
|
|
|
|
|
- }
|
|
|
+ this._zoomEnd.copy( this._getMouseOnScreen( event.pageX, event.pageY ) );
|
|
|
|
|
|
- function onTouchEnd( event ) {
|
|
|
+ } else if ( state === _STATE.PAN && ! this.noPan ) {
|
|
|
|
|
|
- switch ( _pointers.length ) {
|
|
|
+ this._panEnd.copy( this._getMouseOnScreen( event.pageX, event.pageY ) );
|
|
|
|
|
|
- case 0:
|
|
|
- _state = STATE.NONE;
|
|
|
- break;
|
|
|
+ }
|
|
|
|
|
|
- case 1:
|
|
|
- _state = STATE.TOUCH_ROTATE;
|
|
|
- _moveCurr.copy( getMouseOnCircle( event.pageX, event.pageY ) );
|
|
|
- _movePrev.copy( _moveCurr );
|
|
|
- break;
|
|
|
+}
|
|
|
|
|
|
- case 2:
|
|
|
- _state = STATE.TOUCH_ZOOM_PAN;
|
|
|
+function onMouseUp() {
|
|
|
|
|
|
- for ( let i = 0; i < _pointers.length; i ++ ) {
|
|
|
+ this.state = _STATE.NONE;
|
|
|
|
|
|
- if ( _pointers[ i ].pointerId !== event.pointerId ) {
|
|
|
+ this.dispatchEvent( _endEvent );
|
|
|
|
|
|
- const position = _pointerPositions[ _pointers[ i ].pointerId ];
|
|
|
- _moveCurr.copy( getMouseOnCircle( position.x, position.y ) );
|
|
|
- _movePrev.copy( _moveCurr );
|
|
|
- break;
|
|
|
+}
|
|
|
|
|
|
- }
|
|
|
+function onMouseWheel( event ) {
|
|
|
|
|
|
- }
|
|
|
+ if ( this.enabled === false ) return;
|
|
|
|
|
|
- break;
|
|
|
+ if ( this.noZoom === true ) return;
|
|
|
|
|
|
- }
|
|
|
+ event.preventDefault();
|
|
|
|
|
|
- scope.dispatchEvent( _endEvent );
|
|
|
+ switch ( event.deltaMode ) {
|
|
|
|
|
|
- }
|
|
|
+ case 2:
|
|
|
+ // Zoom in pages
|
|
|
+ this._zoomStart.y -= event.deltaY * 0.025;
|
|
|
+ break;
|
|
|
|
|
|
- function contextmenu( event ) {
|
|
|
+ case 1:
|
|
|
+ // Zoom in lines
|
|
|
+ this._zoomStart.y -= event.deltaY * 0.01;
|
|
|
+ break;
|
|
|
|
|
|
- if ( scope.enabled === false ) return;
|
|
|
+ default:
|
|
|
+ // undefined, 0, assume pixels
|
|
|
+ this._zoomStart.y -= event.deltaY * 0.00025;
|
|
|
+ break;
|
|
|
|
|
|
- event.preventDefault();
|
|
|
+ }
|
|
|
|
|
|
- }
|
|
|
+ this.dispatchEvent( _startEvent );
|
|
|
+ this.dispatchEvent( _endEvent );
|
|
|
|
|
|
- function addPointer( event ) {
|
|
|
+}
|
|
|
|
|
|
- _pointers.push( event );
|
|
|
+function onContextMenu( event ) {
|
|
|
|
|
|
- }
|
|
|
+ if ( this.enabled === false ) return;
|
|
|
|
|
|
- function removePointer( event ) {
|
|
|
+ event.preventDefault();
|
|
|
|
|
|
- delete _pointerPositions[ event.pointerId ];
|
|
|
+}
|
|
|
|
|
|
- for ( let i = 0; i < _pointers.length; i ++ ) {
|
|
|
+function onTouchStart( event ) {
|
|
|
|
|
|
- if ( _pointers[ i ].pointerId == event.pointerId ) {
|
|
|
+ this._trackPointer( event );
|
|
|
|
|
|
- _pointers.splice( i, 1 );
|
|
|
- return;
|
|
|
+ switch ( this._pointers.length ) {
|
|
|
|
|
|
- }
|
|
|
+ case 1:
|
|
|
+ this.state = _STATE.TOUCH_ROTATE;
|
|
|
+ this._moveCurr.copy( this._getMouseOnCircle( this._pointers[ 0 ].pageX, this._pointers[ 0 ].pageY ) );
|
|
|
+ this._movePrev.copy( this._moveCurr );
|
|
|
+ break;
|
|
|
|
|
|
- }
|
|
|
+ default: // 2 or more
|
|
|
+ this.state = _STATE.TOUCH_ZOOM_PAN;
|
|
|
+ const dx = this._pointers[ 0 ].pageX - this._pointers[ 1 ].pageX;
|
|
|
+ const dy = this._pointers[ 0 ].pageY - this._pointers[ 1 ].pageY;
|
|
|
+ this._touchZoomDistanceEnd = this._touchZoomDistanceStart = Math.sqrt( dx * dx + dy * dy );
|
|
|
|
|
|
- }
|
|
|
+ const x = ( this._pointers[ 0 ].pageX + this._pointers[ 1 ].pageX ) / 2;
|
|
|
+ const y = ( this._pointers[ 0 ].pageY + this._pointers[ 1 ].pageY ) / 2;
|
|
|
+ this._panStart.copy( this._getMouseOnScreen( x, y ) );
|
|
|
+ this._panEnd.copy( this._panStart );
|
|
|
+ break;
|
|
|
|
|
|
- function trackPointer( event ) {
|
|
|
+ }
|
|
|
|
|
|
- let position = _pointerPositions[ event.pointerId ];
|
|
|
+ this.dispatchEvent( _startEvent );
|
|
|
|
|
|
- if ( position === undefined ) {
|
|
|
+}
|
|
|
|
|
|
- position = new Vector2();
|
|
|
- _pointerPositions[ event.pointerId ] = position;
|
|
|
+function onTouchMove( event ) {
|
|
|
|
|
|
- }
|
|
|
+ this._trackPointer( event );
|
|
|
|
|
|
- position.set( event.pageX, event.pageY );
|
|
|
+ switch ( this._pointers.length ) {
|
|
|
|
|
|
- }
|
|
|
+ case 1:
|
|
|
+ this._movePrev.copy( this._moveCurr );
|
|
|
+ this._moveCurr.copy( this._getMouseOnCircle( event.pageX, event.pageY ) );
|
|
|
+ break;
|
|
|
|
|
|
- function getSecondPointerPosition( event ) {
|
|
|
+ default: // 2 or more
|
|
|
|
|
|
- const pointer = ( event.pointerId === _pointers[ 0 ].pointerId ) ? _pointers[ 1 ] : _pointers[ 0 ];
|
|
|
+ const position = this._getSecondPointerPosition( event );
|
|
|
|
|
|
- return _pointerPositions[ pointer.pointerId ];
|
|
|
+ const dx = event.pageX - position.x;
|
|
|
+ const dy = event.pageY - position.y;
|
|
|
+ this._touchZoomDistanceEnd = Math.sqrt( dx * dx + dy * dy );
|
|
|
|
|
|
- }
|
|
|
+ const x = ( event.pageX + position.x ) / 2;
|
|
|
+ const y = ( event.pageY + position.y ) / 2;
|
|
|
+ this._panEnd.copy( this._getMouseOnScreen( x, y ) );
|
|
|
+ break;
|
|
|
|
|
|
- this.dispose = function () {
|
|
|
+ }
|
|
|
|
|
|
- scope.domElement.removeEventListener( 'contextmenu', contextmenu );
|
|
|
+}
|
|
|
|
|
|
- scope.domElement.removeEventListener( 'pointerdown', onPointerDown );
|
|
|
- scope.domElement.removeEventListener( 'pointercancel', onPointerCancel );
|
|
|
- scope.domElement.removeEventListener( 'wheel', onMouseWheel );
|
|
|
+function onTouchEnd( event ) {
|
|
|
|
|
|
- scope.domElement.removeEventListener( 'pointermove', onPointerMove );
|
|
|
- scope.domElement.removeEventListener( 'pointerup', onPointerUp );
|
|
|
+ switch ( this._pointers.length ) {
|
|
|
|
|
|
- window.removeEventListener( 'keydown', keydown );
|
|
|
- window.removeEventListener( 'keyup', keyup );
|
|
|
+ case 0:
|
|
|
+ this.state = _STATE.NONE;
|
|
|
+ break;
|
|
|
|
|
|
- };
|
|
|
+ case 1:
|
|
|
+ this.state = _STATE.TOUCH_ROTATE;
|
|
|
+ this._moveCurr.copy( this._getMouseOnCircle( event.pageX, event.pageY ) );
|
|
|
+ this._movePrev.copy( this._moveCurr );
|
|
|
+ break;
|
|
|
|
|
|
- this.domElement.addEventListener( 'contextmenu', contextmenu );
|
|
|
+ case 2:
|
|
|
+ this.state = _STATE.TOUCH_ZOOM_PAN;
|
|
|
|
|
|
- this.domElement.addEventListener( 'pointerdown', onPointerDown );
|
|
|
- this.domElement.addEventListener( 'pointercancel', onPointerCancel );
|
|
|
- this.domElement.addEventListener( 'wheel', onMouseWheel, { passive: false } );
|
|
|
+ for ( let i = 0; i < this._pointers.length; i ++ ) {
|
|
|
|
|
|
+ if ( this._pointers[ i ].pointerId !== event.pointerId ) {
|
|
|
+
|
|
|
+ const position = this._pointerPositions[ this._pointers[ i ].pointerId ];
|
|
|
+ this._moveCurr.copy( this._getMouseOnCircle( position.x, position.y ) );
|
|
|
+ this._movePrev.copy( this._moveCurr );
|
|
|
+ break;
|
|
|
|
|
|
- window.addEventListener( 'keydown', keydown );
|
|
|
- window.addEventListener( 'keyup', keyup );
|
|
|
+ }
|
|
|
|
|
|
- this.handleResize();
|
|
|
+ }
|
|
|
|
|
|
- // force an update at start
|
|
|
- this.update();
|
|
|
+ break;
|
|
|
|
|
|
}
|
|
|
|
|
|
+ this.dispatchEvent( _endEvent );
|
|
|
+
|
|
|
}
|
|
|
|
|
|
export { TrackballControls };
|
Michael Herzog