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rafaeldpsilva
332
web-app/node_modules/three/examples/jsm/controls/FlyControls.js
generated
vendored
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332
web-app/node_modules/three/examples/jsm/controls/FlyControls.js
generated
vendored
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import {
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Controls,
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Quaternion,
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Vector3
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} from 'three';
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const _changeEvent = { type: 'change' };
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const _EPS = 0.000001;
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const _tmpQuaternion = new Quaternion();
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class FlyControls extends Controls {
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constructor( object, domElement = null ) {
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super( object, domElement );
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this.movementSpeed = 1.0;
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this.rollSpeed = 0.005;
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this.dragToLook = false;
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this.autoForward = false;
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// internals
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this._moveState = { up: 0, down: 0, left: 0, right: 0, forward: 0, back: 0, pitchUp: 0, pitchDown: 0, yawLeft: 0, yawRight: 0, rollLeft: 0, rollRight: 0 };
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this._moveVector = new Vector3( 0, 0, 0 );
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this._rotationVector = new Vector3( 0, 0, 0 );
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this._lastQuaternion = new Quaternion();
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this._lastPosition = new Vector3();
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this._status = 0;
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// event listeners
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this._onKeyDown = onKeyDown.bind( this );
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this._onKeyUp = onKeyUp.bind( this );
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this._onPointerMove = onPointerMove.bind( this );
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this._onPointerDown = onPointerDown.bind( this );
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this._onPointerUp = onPointerUp.bind( this );
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this._onPointerCancel = onPointerCancel.bind( this );
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this._onContextMenu = onContextMenu.bind( this );
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//
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if ( domElement !== null ) {
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this.connect();
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}
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}
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connect() {
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window.addEventListener( 'keydown', this._onKeyDown );
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window.addEventListener( 'keyup', this._onKeyUp );
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this.domElement.addEventListener( 'pointermove', this._onPointerMove );
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this.domElement.addEventListener( 'pointerdown', this._onPointerDown );
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this.domElement.addEventListener( 'pointerup', this._onPointerUp );
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this.domElement.addEventListener( 'pointercancel', this._onPointerCancel );
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this.domElement.addEventListener( 'contextmenu', this._onContextMenu );
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}
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disconnect() {
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window.removeEventListener( 'keydown', this._onKeyDown );
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window.removeEventListener( 'keyup', this._onKeyUp );
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this.domElement.removeEventListener( 'pointermove', this._onPointerMove );
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this.domElement.removeEventListener( 'pointerdown', this._onPointerDown );
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this.domElement.removeEventListener( 'pointerup', this._onPointerUp );
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this.domElement.removeEventListener( 'pointercancel', this._onPointerCancel );
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this.domElement.removeEventListener( 'contextmenu', this._onContextMenu );
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}
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dispose() {
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this.disconnect();
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}
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update( delta ) {
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if ( this.enabled === false ) return;
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const object = this.object;
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const moveMult = delta * this.movementSpeed;
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const rotMult = delta * this.rollSpeed;
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object.translateX( this._moveVector.x * moveMult );
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object.translateY( this._moveVector.y * moveMult );
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object.translateZ( this._moveVector.z * moveMult );
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_tmpQuaternion.set( this._rotationVector.x * rotMult, this._rotationVector.y * rotMult, this._rotationVector.z * rotMult, 1 ).normalize();
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object.quaternion.multiply( _tmpQuaternion );
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if (
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this._lastPosition.distanceToSquared( object.position ) > _EPS ||
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8 * ( 1 - this._lastQuaternion.dot( object.quaternion ) ) > _EPS
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) {
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this.dispatchEvent( _changeEvent );
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this._lastQuaternion.copy( object.quaternion );
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this._lastPosition.copy( object.position );
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}
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}
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// private
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_updateMovementVector() {
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const forward = ( this._moveState.forward || ( this.autoForward && ! this._moveState.back ) ) ? 1 : 0;
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this._moveVector.x = ( - this._moveState.left + this._moveState.right );
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this._moveVector.y = ( - this._moveState.down + this._moveState.up );
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this._moveVector.z = ( - forward + this._moveState.back );
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//console.log( 'move:', [ this._moveVector.x, this._moveVector.y, this._moveVector.z ] );
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}
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_updateRotationVector() {
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this._rotationVector.x = ( - this._moveState.pitchDown + this._moveState.pitchUp );
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this._rotationVector.y = ( - this._moveState.yawRight + this._moveState.yawLeft );
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this._rotationVector.z = ( - this._moveState.rollRight + this._moveState.rollLeft );
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//console.log( 'rotate:', [ this._rotationVector.x, this._rotationVector.y, this._rotationVector.z ] );
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}
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_getContainerDimensions() {
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if ( this.domElement != document ) {
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return {
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size: [ this.domElement.offsetWidth, this.domElement.offsetHeight ],
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offset: [ this.domElement.offsetLeft, this.domElement.offsetTop ]
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};
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} else {
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return {
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size: [ window.innerWidth, window.innerHeight ],
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offset: [ 0, 0 ]
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};
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}
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}
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}
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function onKeyDown( event ) {
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if ( event.altKey || this.enabled === false ) {
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return;
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}
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switch ( event.code ) {
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case 'ShiftLeft':
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case 'ShiftRight': this.movementSpeedMultiplier = .1; break;
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case 'KeyW': this._moveState.forward = 1; break;
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case 'KeyS': this._moveState.back = 1; break;
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case 'KeyA': this._moveState.left = 1; break;
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case 'KeyD': this._moveState.right = 1; break;
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case 'KeyR': this._moveState.up = 1; break;
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case 'KeyF': this._moveState.down = 1; break;
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case 'ArrowUp': this._moveState.pitchUp = 1; break;
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case 'ArrowDown': this._moveState.pitchDown = 1; break;
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case 'ArrowLeft': this._moveState.yawLeft = 1; break;
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case 'ArrowRight': this._moveState.yawRight = 1; break;
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case 'KeyQ': this._moveState.rollLeft = 1; break;
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case 'KeyE': this._moveState.rollRight = 1; break;
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}
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this._updateMovementVector();
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this._updateRotationVector();
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}
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function onKeyUp( event ) {
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if ( this.enabled === false ) return;
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switch ( event.code ) {
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case 'ShiftLeft':
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case 'ShiftRight': this.movementSpeedMultiplier = 1; break;
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case 'KeyW': this._moveState.forward = 0; break;
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case 'KeyS': this._moveState.back = 0; break;
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case 'KeyA': this._moveState.left = 0; break;
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case 'KeyD': this._moveState.right = 0; break;
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case 'KeyR': this._moveState.up = 0; break;
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case 'KeyF': this._moveState.down = 0; break;
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case 'ArrowUp': this._moveState.pitchUp = 0; break;
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case 'ArrowDown': this._moveState.pitchDown = 0; break;
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case 'ArrowLeft': this._moveState.yawLeft = 0; break;
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case 'ArrowRight': this._moveState.yawRight = 0; break;
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case 'KeyQ': this._moveState.rollLeft = 0; break;
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case 'KeyE': this._moveState.rollRight = 0; break;
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}
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this._updateMovementVector();
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this._updateRotationVector();
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}
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function onPointerDown( event ) {
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if ( this.enabled === false ) return;
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if ( this.dragToLook ) {
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this._status ++;
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} else {
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switch ( event.button ) {
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case 0: this._moveState.forward = 1; break;
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case 2: this._moveState.back = 1; break;
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}
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this._updateMovementVector();
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}
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}
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function onPointerMove( event ) {
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if ( this.enabled === false ) return;
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if ( ! this.dragToLook || this._status > 0 ) {
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const container = this._getContainerDimensions();
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const halfWidth = container.size[ 0 ] / 2;
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const halfHeight = container.size[ 1 ] / 2;
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this._moveState.yawLeft = - ( ( event.pageX - container.offset[ 0 ] ) - halfWidth ) / halfWidth;
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this._moveState.pitchDown = ( ( event.pageY - container.offset[ 1 ] ) - halfHeight ) / halfHeight;
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this._updateRotationVector();
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}
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}
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function onPointerUp( event ) {
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if ( this.enabled === false ) return;
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if ( this.dragToLook ) {
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this._status --;
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this._moveState.yawLeft = this._moveState.pitchDown = 0;
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} else {
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switch ( event.button ) {
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case 0: this._moveState.forward = 0; break;
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case 2: this._moveState.back = 0; break;
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}
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this._updateMovementVector();
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}
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this._updateRotationVector();
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}
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function onPointerCancel() {
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if ( this.enabled === false ) return;
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if ( this.dragToLook ) {
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this._status = 0;
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this._moveState.yawLeft = this._moveState.pitchDown = 0;
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} else {
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this._moveState.forward = 0;
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this._moveState.back = 0;
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this._updateMovementVector();
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}
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this._updateRotationVector();
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}
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function onContextMenu( event ) {
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if ( this.enabled === false ) return;
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event.preventDefault();
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}
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export { FlyControls };
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