first commit

web-app/node_modules/three/examples/jsm/controls/DragControls.js

@@ -0,0 +1,410 @@
+import {
+	Controls,
+	Matrix4,
+	Plane,
+	Raycaster,
+	Vector2,
+	Vector3,
+	MOUSE,
+	TOUCH
+} from 'three';
+
+const _plane = new Plane();
+
+const _pointer = new Vector2();
+const _offset = new Vector3();
+const _diff = new Vector2();
+const _previousPointer = new Vector2();
+const _intersection = new Vector3();
+const _worldPosition = new Vector3();
+const _inverseMatrix = new Matrix4();
+
+const _up = new Vector3();
+const _right = new Vector3();
+
+let _selected = null, _hovered = null;
+const _intersections = [];
+
+const STATE = {
+	NONE: - 1,
+	PAN: 0,
+	ROTATE: 1
+};
+
+class DragControls extends Controls {
+
+	constructor( objects, camera, domElement = null ) {
+
+		super( camera, domElement );
+
+		this.objects = objects;
+
+		this.recursive = true;
+		this.transformGroup = false;
+		this.rotateSpeed = 1;
+
+		this.raycaster = new Raycaster();
+
+		// interaction
+
+		this.mouseButtons = { LEFT: MOUSE.PAN, MIDDLE: MOUSE.PAN, RIGHT: MOUSE.ROTATE };
+		this.touches = { ONE: TOUCH.PAN };
+
+		// event listeners
+
+		this._onPointerMove = onPointerMove.bind( this );
+		this._onPointerDown = onPointerDown.bind( this );
+		this._onPointerCancel = onPointerCancel.bind( this );
+		this._onContextMenu = onContextMenu.bind( this );
+
+		//
+
+		if ( domElement !== null ) {
+
+			this.connect();
+
+		}
+
+	}
+
+	connect() {
+
+		this.domElement.addEventListener( 'pointermove', this._onPointerMove );
+		this.domElement.addEventListener( 'pointerdown', this._onPointerDown );
+		this.domElement.addEventListener( 'pointerup', this._onPointerCancel );
+		this.domElement.addEventListener( 'pointerleave', this._onPointerCancel );
+		this.domElement.addEventListener( 'contextmenu', this._onContextMenu );
+
+		this.domElement.style.touchAction = 'none'; // disable touch scroll
+
+	}
+
+	disconnect() {
+
+		this.domElement.removeEventListener( 'pointermove', this._onPointerMove );
+		this.domElement.removeEventListener( 'pointerdown', this._onPointerDown );
+		this.domElement.removeEventListener( 'pointerup', this._onPointerCancel );
+		this.domElement.removeEventListener( 'pointerleave', this._onPointerCancel );
+		this.domElement.removeEventListener( 'contextmenu', this._onContextMenu );
+
+		this.domElement.style.touchAction = 'auto';
+		this.domElement.style.cursor = '';
+
+	}
+
+	dispose() {
+
+		this.disconnect();
+
+	}
+
+	_updatePointer( event ) {
+
+		const rect = this.domElement.getBoundingClientRect();
+
+		_pointer.x = ( event.clientX - rect.left ) / rect.width * 2 - 1;
+		_pointer.y = - ( event.clientY - rect.top ) / rect.height * 2 + 1;
+
+	}
+
+	_updateState( event ) {
+
+		// determine action
+
+		let action;
+
+		if ( event.pointerType === 'touch' ) {
+
+			action = this.touches.ONE;
+
+		} else {
+
+			switch ( event.button ) {
+
+				case 0:
+
+					action = this.mouseButtons.LEFT;
+					break;
+
+				case 1:
+
+					action = this.mouseButtons.MIDDLE;
+					break;
+
+				case 2:
+
+					action = this.mouseButtons.RIGHT;
+					break;
+
+				default:
+
+					action = null;
+
+			}
+
+		}
+
+		// determine state
+
+		switch ( action ) {
+
+			case MOUSE.PAN:
+			case TOUCH.PAN:
+
+				this.state = STATE.PAN;
+
+				break;
+
+			case MOUSE.ROTATE:
+			case TOUCH.ROTATE:
+
+				this.state = STATE.ROTATE;
+
+				break;
+
+			default:
+
+				this.state = STATE.NONE;
+
+		}
+
+	}
+
+	getRaycaster() {
+
+		console.warn( 'THREE.DragControls: getRaycaster() has been deprecated. Use controls.raycaster instead.' ); // @deprecated r169
+
+		return this.raycaster;
+
+	}
+
+	setObjects( objects ) {
+
+		console.warn( 'THREE.DragControls: setObjects() has been deprecated. Use controls.objects instead.' ); // @deprecated r169
+
+		this.objects = objects;
+
+	}
+
+	getObjects() {
+
+		console.warn( 'THREE.DragControls: getObjects() has been deprecated. Use controls.objects instead.' ); // @deprecated r169
+
+		return this.objects;
+
+	}
+
+	activate() {
+
+		console.warn( 'THREE.DragControls: activate() has been renamed to connect().' ); // @deprecated r169
+		this.connect();
+
+	}
+
+	deactivate() {
+
+		console.warn( 'THREE.DragControls: deactivate() has been renamed to disconnect().' ); // @deprecated r169
+		this.disconnect();
+
+	}
+
+	set mode( value ) {
+
+		console.warn( 'THREE.DragControls: The .mode property has been removed. Define the type of transformation via the .mouseButtons or .touches properties.' ); // @deprecated r169
+
+	}
+
+	get mode() {
+
+		console.warn( 'THREE.DragControls: The .mode property has been removed. Define the type of transformation via the .mouseButtons or .touches properties.' ); // @deprecated r169
+
+	}
+
+}
+
+function onPointerMove( event ) {
+
+	const camera = this.object;
+	const domElement = this.domElement;
+	const raycaster = this.raycaster;
+
+	if ( this.enabled === false ) return;
+
+	this._updatePointer( event );
+
+	raycaster.setFromCamera( _pointer, camera );
+
+	if ( _selected ) {
+
+		if ( this.state === STATE.PAN ) {
+
+			if ( raycaster.ray.intersectPlane( _plane, _intersection ) ) {
+
+				_selected.position.copy( _intersection.sub( _offset ).applyMatrix4( _inverseMatrix ) );
+
+			}
+
+		} else if ( this.state === STATE.ROTATE ) {
+
+			_diff.subVectors( _pointer, _previousPointer ).multiplyScalar( this.rotateSpeed );
+			_selected.rotateOnWorldAxis( _up, _diff.x );
+			_selected.rotateOnWorldAxis( _right.normalize(), - _diff.y );
+
+		}
+
+		this.dispatchEvent( { type: 'drag', object: _selected } );
+
+		_previousPointer.copy( _pointer );
+
+	} else {
+
+		// hover support
+
+		if ( event.pointerType === 'mouse' || event.pointerType === 'pen' ) {
+
+			_intersections.length = 0;
+
+			raycaster.setFromCamera( _pointer, camera );
+			raycaster.intersectObjects( this.objects, this.recursive, _intersections );
+
+			if ( _intersections.length > 0 ) {
+
+				const object = _intersections[ 0 ].object;
+
+				_plane.setFromNormalAndCoplanarPoint( camera.getWorldDirection( _plane.normal ), _worldPosition.setFromMatrixPosition( object.matrixWorld ) );
+
+				if ( _hovered !== object && _hovered !== null ) {
+
+					this.dispatchEvent( { type: 'hoveroff', object: _hovered } );
+
+					domElement.style.cursor = 'auto';
+					_hovered = null;
+
+				}
+
+				if ( _hovered !== object ) {
+
+					this.dispatchEvent( { type: 'hoveron', object: object } );
+
+					domElement.style.cursor = 'pointer';
+					_hovered = object;
+
+				}
+
+			} else {
+
+				if ( _hovered !== null ) {
+
+					this.dispatchEvent( { type: 'hoveroff', object: _hovered } );
+
+					domElement.style.cursor = 'auto';
+					_hovered = null;
+
+				}
+
+			}
+
+		}
+
+	}
+
+	_previousPointer.copy( _pointer );
+
+}
+
+function onPointerDown( event ) {
+
+	const camera = this.object;
+	const domElement = this.domElement;
+	const raycaster = this.raycaster;
+
+	if ( this.enabled === false ) return;
+
+	this._updatePointer( event );
+	this._updateState( event );
+
+	_intersections.length = 0;
+
+	raycaster.setFromCamera( _pointer, camera );
+	raycaster.intersectObjects( this.objects, this.recursive, _intersections );
+
+	if ( _intersections.length > 0 ) {
+
+		if ( this.transformGroup === true ) {
+
+			// look for the outermost group in the object's upper hierarchy
+
+			_selected = findGroup( _intersections[ 0 ].object );
+
+		} else {
+
+			_selected = _intersections[ 0 ].object;
+
+		}
+
+		_plane.setFromNormalAndCoplanarPoint( camera.getWorldDirection( _plane.normal ), _worldPosition.setFromMatrixPosition( _selected.matrixWorld ) );
+
+		if ( raycaster.ray.intersectPlane( _plane, _intersection ) ) {
+
+			if ( this.state === STATE.PAN ) {
+
+				_inverseMatrix.copy( _selected.parent.matrixWorld ).invert();
+				_offset.copy( _intersection ).sub( _worldPosition.setFromMatrixPosition( _selected.matrixWorld ) );
+
+			} else if ( this.state === STATE.ROTATE ) {
+
+				// the controls only support Y+ up
+				_up.set( 0, 1, 0 ).applyQuaternion( camera.quaternion ).normalize();
+				_right.set( 1, 0, 0 ).applyQuaternion( camera.quaternion ).normalize();
+
+			}
+
+		}
+
+		domElement.style.cursor = 'move';
+
+		this.dispatchEvent( { type: 'dragstart', object: _selected } );
+
+	}
+
+	_previousPointer.copy( _pointer );
+
+}
+
+function onPointerCancel() {
+
+	if ( this.enabled === false ) return;
+
+	if ( _selected ) {
+
+		this.dispatchEvent( { type: 'dragend', object: _selected } );
+
+		_selected = null;
+
+	}
+
+	this.domElement.style.cursor = _hovered ? 'pointer' : 'auto';
+
+	this.state = STATE.NONE;
+
+}
+
+function onContextMenu( event ) {
+
+	if ( this.enabled === false ) return;
+
+	event.preventDefault();
+
+}
+
+function findGroup( obj, group = null ) {
+
+	if ( obj.isGroup ) group = obj;
+
+	if ( obj.parent === null ) return group;
+
+	return findGroup( obj.parent, group );
+
+}
+
+export { DragControls };

web-app/node_modules/three/examples/jsm/controls/FirstPersonControls.js

@@ -0,0 +1,337 @@
+import {
+	Controls,
+	MathUtils,
+	Spherical,
+	Vector3
+} from 'three';
+
+const _lookDirection = new Vector3();
+const _spherical = new Spherical();
+const _target = new Vector3();
+const _targetPosition = new Vector3();
+
+class FirstPersonControls extends Controls {
+
+	constructor( object, domElement = null ) {
+
+		super( object, domElement );
+
+		// API
+
+		this.movementSpeed = 1.0;
+		this.lookSpeed = 0.005;
+
+		this.lookVertical = true;
+		this.autoForward = false;
+
+		this.activeLook = true;
+
+		this.heightSpeed = false;
+		this.heightCoef = 1.0;
+		this.heightMin = 0.0;
+		this.heightMax = 1.0;
+
+		this.constrainVertical = false;
+		this.verticalMin = 0;
+		this.verticalMax = Math.PI;
+
+		this.mouseDragOn = false;
+
+		// internals
+
+		this._autoSpeedFactor = 0.0;
+
+		this._pointerX = 0;
+		this._pointerY = 0;
+
+		this._moveForward = false;
+		this._moveBackward = false;
+		this._moveLeft = false;
+		this._moveRight = false;
+
+		this._viewHalfX = 0;
+		this._viewHalfY = 0;
+
+		this._lat = 0;
+		this._lon = 0;
+
+		// event listeners
+
+		this._onPointerMove = onPointerMove.bind( this );
+		this._onPointerDown = onPointerDown.bind( this );
+		this._onPointerUp = onPointerUp.bind( this );
+		this._onContextMenu = onContextMenu.bind( this );
+		this._onKeyDown = onKeyDown.bind( this );
+		this._onKeyUp = onKeyUp.bind( this );
+
+		//
+
+		if ( domElement !== null ) {
+
+			this.connect();
+
+			this.handleResize();
+
+		}
+
+		this._setOrientation();
+
+	}
+
+	connect() {
+
+		window.addEventListener( 'keydown', this._onKeyDown );
+		window.addEventListener( 'keyup', this._onKeyUp );
+
+		this.domElement.addEventListener( 'pointermove', this._onPointerMove );
+		this.domElement.addEventListener( 'pointerdown', this._onPointerDown );
+		this.domElement.addEventListener( 'pointerup', this._onPointerUp );
+		this.domElement.addEventListener( 'contextmenu', this._onContextMenu );
+
+	}
+
+	disconnect() {
+
+		window.removeEventListener( 'keydown', this._onKeyDown );
+		window.removeEventListener( 'keyup', this._onKeyUp );
+
+		this.domElement.removeEventListener( 'pointerdown', this._onPointerMove );
+		this.domElement.removeEventListener( 'pointermove', this._onPointerDown );
+		this.domElement.removeEventListener( 'pointerup', this._onPointerUp );
+		this.domElement.removeEventListener( 'contextmenu', this._onContextMenu );
+
+	}
+
+	dispose() {
+
+		this.disconnect();
+
+	}
+
+	handleResize() {
+
+		if ( this.domElement === document ) {
+
+			this._viewHalfX = window.innerWidth / 2;
+			this._viewHalfY = window.innerHeight / 2;
+
+		} else {
+
+			this._viewHalfX = this.domElement.offsetWidth / 2;
+			this._viewHalfY = this.domElement.offsetHeight / 2;
+
+		}
+
+	}
+
+	lookAt( x, y, z ) {
+
+		if ( x.isVector3 ) {
+
+			_target.copy( x );
+
+		} else {
+
+			_target.set( x, y, z );
+
+		}
+
+		this.object.lookAt( _target );
+
+		this._setOrientation();
+
+		return this;
+
+	}
+
+	update( delta ) {
+
+		if ( this.enabled === false ) return;
+
+		if ( this.heightSpeed ) {
+
+			const y = MathUtils.clamp( this.object.position.y, this.heightMin, this.heightMax );
+			const heightDelta = y - this.heightMin;
+
+			this._autoSpeedFactor = delta * ( heightDelta * this.heightCoef );
+
+		} else {
+
+			this._autoSpeedFactor = 0.0;
+
+		}
+
+		const actualMoveSpeed = delta * this.movementSpeed;
+
+		if ( this._moveForward || ( this.autoForward && ! this._moveBackward ) ) this.object.translateZ( - ( actualMoveSpeed + this._autoSpeedFactor ) );
+		if ( this._moveBackward ) this.object.translateZ( actualMoveSpeed );
+
+		if ( this._moveLeft ) this.object.translateX( - actualMoveSpeed );
+		if ( this._moveRight ) this.object.translateX( actualMoveSpeed );
+
+		if ( this._moveUp ) this.object.translateY( actualMoveSpeed );
+		if ( this._moveDown ) this.object.translateY( - actualMoveSpeed );
+
+		let actualLookSpeed = delta * this.lookSpeed;
+
+		if ( ! this.activeLook ) {
+
+			actualLookSpeed = 0;
+
+		}
+
+		let verticalLookRatio = 1;
+
+		if ( this.constrainVertical ) {
+
+			verticalLookRatio = Math.PI / ( this.verticalMax - this.verticalMin );
+
+		}
+
+		this._lon -= this._pointerX * actualLookSpeed;
+		if ( this.lookVertical ) this._lat -= this._pointerY * actualLookSpeed * verticalLookRatio;
+
+		this._lat = Math.max( - 85, Math.min( 85, this._lat ) );
+
+		let phi = MathUtils.degToRad( 90 - this._lat );
+		const theta = MathUtils.degToRad( this._lon );
+
+		if ( this.constrainVertical ) {
+
+			phi = MathUtils.mapLinear( phi, 0, Math.PI, this.verticalMin, this.verticalMax );
+
+		}
+
+		const position = this.object.position;
+
+		_targetPosition.setFromSphericalCoords( 1, phi, theta ).add( position );
+
+		this.object.lookAt( _targetPosition );
+
+	}
+
+	_setOrientation() {
+
+		const quaternion = this.object.quaternion;
+
+		_lookDirection.set( 0, 0, - 1 ).applyQuaternion( quaternion );
+		_spherical.setFromVector3( _lookDirection );
+
+		this._lat = 90 - MathUtils.radToDeg( _spherical.phi );
+		this._lon = MathUtils.radToDeg( _spherical.theta );
+
+	}
+
+}
+
+function onPointerDown( event ) {
+
+	if ( this.domElement !== document ) {
+
+		this.domElement.focus();
+
+	}
+
+	if ( this.activeLook ) {
+
+		switch ( event.button ) {
+
+			case 0: this._moveForward = true; break;
+			case 2: this._moveBackward = true; break;
+
+		}
+
+	}
+
+	this.mouseDragOn = true;
+
+}
+
+function onPointerUp( event ) {
+
+	if ( this.activeLook ) {
+
+		switch ( event.button ) {
+
+			case 0: this._moveForward = false; break;
+			case 2: this._moveBackward = false; break;
+
+		}
+
+	}
+
+	this.mouseDragOn = false;
+
+}
+
+function onPointerMove( event ) {
+
+	if ( this.domElement === document ) {
+
+		this._pointerX = event.pageX - this._viewHalfX;
+		this._pointerY = event.pageY - this._viewHalfY;
+
+	} else {
+
+		this._pointerX = event.pageX - this.domElement.offsetLeft - this._viewHalfX;
+		this._pointerY = event.pageY - this.domElement.offsetTop - this._viewHalfY;
+
+	}
+
+}
+
+function onKeyDown( event ) {
+
+	switch ( event.code ) {
+
+		case 'ArrowUp':
+		case 'KeyW': this._moveForward = true; break;
+
+		case 'ArrowLeft':
+		case 'KeyA': this._moveLeft = true; break;
+
+		case 'ArrowDown':
+		case 'KeyS': this._moveBackward = true; break;
+
+		case 'ArrowRight':
+		case 'KeyD': this._moveRight = true; break;
+
+		case 'KeyR': this._moveUp = true; break;
+		case 'KeyF': this._moveDown = true; break;
+
+	}
+
+}
+
+function onKeyUp( event ) {
+
+	switch ( event.code ) {
+
+		case 'ArrowUp':
+		case 'KeyW': this._moveForward = false; break;
+
+		case 'ArrowLeft':
+		case 'KeyA': this._moveLeft = false; break;
+
+		case 'ArrowDown':
+		case 'KeyS': this._moveBackward = false; break;
+
+		case 'ArrowRight':
+		case 'KeyD': this._moveRight = false; break;
+
+		case 'KeyR': this._moveUp = false; break;
+		case 'KeyF': this._moveDown = false; break;
+
+	}
+
+}
+
+function onContextMenu( event ) {
+
+	if ( this.enabled === false ) return;
+
+	event.preventDefault();
+
+}
+
+export { FirstPersonControls };

web-app/node_modules/three/examples/jsm/controls/FlyControls.js

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

web-app/node_modules/three/examples/jsm/controls/MapControls.js

@@ -0,0 +1,28 @@
+import { MOUSE, TOUCH } from 'three';
+
+import { OrbitControls } from './OrbitControls.js';
+
+// MapControls performs orbiting, dollying (zooming), and panning.
+// Unlike TrackballControls, it maintains the "up" direction object.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 arrow keys / touch: one-finger move
+
+class MapControls extends OrbitControls {
+
+	constructor( object, domElement ) {
+
+		super( object, domElement );
+
+		this.screenSpacePanning = false; // pan orthogonal to world-space direction camera.up
+
+		this.mouseButtons = { LEFT: MOUSE.PAN, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.ROTATE };
+
+		this.touches = { ONE: TOUCH.PAN, TWO: TOUCH.DOLLY_ROTATE };
+
+	}
+
+}
+
+export { MapControls };

web-app/node_modules/three/examples/jsm/controls/PointerLockControls.js

@@ -0,0 +1,171 @@
+import {
+	Controls,
+	Euler,
+	Vector3
+} from 'three';
+
+const _euler = new Euler( 0, 0, 0, 'YXZ' );
+const _vector = new Vector3();
+
+const _changeEvent = { type: 'change' };
+const _lockEvent = { type: 'lock' };
+const _unlockEvent = { type: 'unlock' };
+
+const _PI_2 = Math.PI / 2;
+
+class PointerLockControls extends Controls {
+
+	constructor( camera, domElement = null ) {
+
+		super( camera, domElement );
+
+		this.isLocked = false;
+
+		// Set to constrain the pitch of the camera
+		// Range is 0 to Math.PI radians
+		this.minPolarAngle = 0; // radians
+		this.maxPolarAngle = Math.PI; // radians
+
+		this.pointerSpeed = 1.0;
+
+		// event listeners
+
+		this._onMouseMove = onMouseMove.bind( this );
+		this._onPointerlockChange = onPointerlockChange.bind( this );
+		this._onPointerlockError = onPointerlockError.bind( this );
+
+		if ( this.domElement !== null ) {
+
+			this.connect();
+
+		}
+
+	}
+
+	connect() {
+
+		this.domElement.ownerDocument.addEventListener( 'mousemove', this._onMouseMove );
+		this.domElement.ownerDocument.addEventListener( 'pointerlockchange', this._onPointerlockChange );
+		this.domElement.ownerDocument.addEventListener( 'pointerlockerror', this._onPointerlockError );
+
+	}
+
+	disconnect() {
+
+		this.domElement.ownerDocument.removeEventListener( 'mousemove', this._onMouseMove );
+		this.domElement.ownerDocument.removeEventListener( 'pointerlockchange', this._onPointerlockChange );
+		this.domElement.ownerDocument.removeEventListener( 'pointerlockerror', this._onPointerlockError );
+
+	}
+
+	dispose() {
+
+		this.disconnect();
+
+	}
+
+	getObject() {
+
+		console.warn( 'THREE.PointerLockControls: getObject() has been deprecated. Use controls.object instead.' ); // @deprecated r169
+
+		return this.object;
+
+	}
+
+	getDirection( v ) {
+
+		return v.set( 0, 0, - 1 ).applyQuaternion( this.object.quaternion );
+
+	}
+
+	moveForward( distance ) {
+
+		if ( this.enabled === false ) return;
+
+		// move forward parallel to the xz-plane
+		// assumes camera.up is y-up
+
+		const camera = this.object;
+
+		_vector.setFromMatrixColumn( camera.matrix, 0 );
+
+		_vector.crossVectors( camera.up, _vector );
+
+		camera.position.addScaledVector( _vector, distance );
+
+	}
+
+	moveRight( distance ) {
+
+		if ( this.enabled === false ) return;
+
+		const camera = this.object;
+
+		_vector.setFromMatrixColumn( camera.matrix, 0 );
+
+		camera.position.addScaledVector( _vector, distance );
+
+	}
+
+	lock() {
+
+		this.domElement.requestPointerLock();
+
+	}
+
+	unlock() {
+
+		this.domElement.ownerDocument.exitPointerLock();
+
+	}
+
+}
+
+// event listeners
+
+function onMouseMove( event ) {
+
+	if ( this.enabled === false || this.isLocked === false ) return;
+
+	const movementX = event.movementX || event.mozMovementX || event.webkitMovementX || 0;
+	const movementY = event.movementY || event.mozMovementY || event.webkitMovementY || 0;
+
+	const camera = this.object;
+	_euler.setFromQuaternion( camera.quaternion );
+
+	_euler.y -= movementX * 0.002 * this.pointerSpeed;
+	_euler.x -= movementY * 0.002 * this.pointerSpeed;
+
+	_euler.x = Math.max( _PI_2 - this.maxPolarAngle, Math.min( _PI_2 - this.minPolarAngle, _euler.x ) );
+
+	camera.quaternion.setFromEuler( _euler );
+
+	this.dispatchEvent( _changeEvent );
+
+}
+
+function onPointerlockChange() {
+
+	if ( this.domElement.ownerDocument.pointerLockElement === this.domElement ) {
+
+		this.dispatchEvent( _lockEvent );
+
+		this.isLocked = true;
+
+	} else {
+
+		this.dispatchEvent( _unlockEvent );
+
+		this.isLocked = false;
+
+	}
+
+}
+
+function onPointerlockError() {
+
+	console.error( 'THREE.PointerLockControls: Unable to use Pointer Lock API' );
+
+}
+
+export { PointerLockControls };

web-app/node_modules/three/examples/jsm/controls/TrackballControls.js

@@ -0,0 +1,849 @@
+import {
+	Controls,
+	MathUtils,
+	MOUSE,
+	Quaternion,
+	Vector2,
+	Vector3
+} from 'three';
+
+const _changeEvent = { type: 'change' };
+const _startEvent = { type: 'start' };
+const _endEvent = { type: 'end' };
+
+const _EPS = 0.000001;
+const _STATE = { NONE: - 1, ROTATE: 0, ZOOM: 1, PAN: 2, TOUCH_ROTATE: 3, TOUCH_ZOOM_PAN: 4 };
+
+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();
+
+class TrackballControls extends Controls {
+
+	constructor( object, domElement = null ) {
+
+		super( object, domElement );
+
+		// API
+
+		this.enabled = true;
+
+		this.screen = { left: 0, top: 0, width: 0, height: 0 };
+
+		this.rotateSpeed = 1.0;
+		this.zoomSpeed = 1.2;
+		this.panSpeed = 0.3;
+
+		this.noRotate = false;
+		this.noZoom = false;
+		this.noPan = false;
+
+		this.staticMoving = false;
+		this.dynamicDampingFactor = 0.2;
+
+		this.minDistance = 0;
+		this.maxDistance = Infinity;
+
+		this.minZoom = 0;
+		this.maxZoom = Infinity;
+
+		this.keys = [ 'KeyA' /*A*/, 'KeyS' /*S*/, 'KeyD' /*D*/ ];
+
+		this.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };
+		this.state = _STATE.NONE;
+		this.keyState = _STATE.NONE;
+
+		this.target = new Vector3();
+
+		// internals
+
+		this._lastPosition = new Vector3();
+		this._lastZoom = 1;
+		this._touchZoomDistanceStart = 0;
+		this._touchZoomDistanceEnd = 0;
+		this._lastAngle = 0;
+
+		this._eye = new Vector3();
+
+		this._movePrev = new Vector2();
+		this._moveCurr = new Vector2();
+
+		this._lastAxis = new Vector3();
+
+		this._zoomStart = new Vector2();
+		this._zoomEnd = new Vector2();
+
+		this._panStart = new Vector2();
+		this._panEnd = new Vector2();
+
+		this._pointers = [];
+		this._pointerPositions = {};
+
+		// event listeners
+
+		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 );
+
+		this._onTouchStart = onTouchStart.bind( this );
+		this._onTouchMove = onTouchMove.bind( this );
+		this._onTouchEnd = onTouchEnd.bind( this );
+
+		this._onMouseDown = onMouseDown.bind( this );
+		this._onMouseMove = onMouseMove.bind( this );
+		this._onMouseUp = onMouseUp.bind( this );
+
+		// for reset
+
+		this._target0 = this.target.clone();
+		this._position0 = this.object.position.clone();
+		this._up0 = this.object.up.clone();
+		this._zoom0 = this.object.zoom;
+
+		if ( domElement !== null ) {
+
+			this.connect();
+
+			this.handleResize();
+
+		}
+
+		// force an update at start
+		this.update();
+
+	}
+
+	connect() {
+
+		window.addEventListener( 'keydown', this._onKeyDown );
+		window.addEventListener( 'keyup', this._onKeyUp );
+
+		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 );
+
+		this.domElement.style.touchAction = 'none'; // disable touch scroll
+
+	}
+
+	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.domElement.style.touchAction = 'auto'; // disable touch scroll
+
+	}
+
+	dispose() {
+
+		this.disconnect();
+
+	}
+
+	handleResize() {
+
+		const box = this.domElement.getBoundingClientRect();
+		// adjustments come from similar code in the jquery offset() function
+		const d = this.domElement.ownerDocument.documentElement;
+
+		this.screen.left = box.left + window.pageXOffset - d.clientLeft;
+		this.screen.top = box.top + window.pageYOffset - d.clientTop;
+		this.screen.width = box.width;
+		this.screen.height = box.height;
+
+	}
+
+	update() {
+
+		this._eye.subVectors( this.object.position, this.target );
+
+		if ( ! this.noRotate ) {
+
+			this._rotateCamera();
+
+		}
+
+		if ( ! this.noZoom ) {
+
+			this._zoomCamera();
+
+		}
+
+		if ( ! this.noPan ) {
+
+			this._panCamera();
+
+		}
+
+		this.object.position.addVectors( this.target, this._eye );
+
+		if ( this.object.isPerspectiveCamera ) {
+
+			this._checkDistances();
+
+			this.object.lookAt( this.target );
+
+			if ( this._lastPosition.distanceToSquared( this.object.position ) > _EPS ) {
+
+				this.dispatchEvent( _changeEvent );
+
+				this._lastPosition.copy( this.object.position );
+
+			}
+
+		} else if ( this.object.isOrthographicCamera ) {
+
+			this.object.lookAt( this.target );
+
+			if ( this._lastPosition.distanceToSquared( this.object.position ) > _EPS || this._lastZoom !== this.object.zoom ) {
+
+				this.dispatchEvent( _changeEvent );
+
+				this._lastPosition.copy( this.object.position );
+				this._lastZoom = this.object.zoom;
+
+			}
+
+		} else {
+
+			console.warn( 'THREE.TrackballControls: Unsupported camera type.' );
+
+		}
+
+	}
+
+	reset() {
+
+		this.state = _STATE.NONE;
+		this.keyState = _STATE.NONE;
+
+		this.target.copy( this._target0 );
+		this.object.position.copy( this._position0 );
+		this.object.up.copy( this._up0 );
+		this.object.zoom = this._zoom0;
+
+		this.object.updateProjectionMatrix();
+
+		this._eye.subVectors( this.object.position, this.target );
+
+		this.object.lookAt( this.target );
+
+		this.dispatchEvent( _changeEvent );
+
+		this._lastPosition.copy( this.object.position );
+		this._lastZoom = this.object.zoom;
+
+	}
+
+	_panCamera() {
+
+		_mouseChange.copy( this._panEnd ).sub( this._panStart );
+
+		if ( _mouseChange.lengthSq() ) {
+
+			if ( this.object.isOrthographicCamera ) {
+
+				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;
+
+			}
+
+			_mouseChange.multiplyScalar( this._eye.length() * this.panSpeed );
+
+			_pan.copy( this._eye ).cross( this.object.up ).setLength( _mouseChange.x );
+			_pan.add( _objectUp.copy( this.object.up ).setLength( _mouseChange.y ) );
+
+			this.object.position.add( _pan );
+			this.target.add( _pan );
+
+			if ( this.staticMoving ) {
+
+				this._panStart.copy( this._panEnd );
+
+			} else {
+
+				this._panStart.add( _mouseChange.subVectors( this._panEnd, this._panStart ).multiplyScalar( this.dynamicDampingFactor ) );
+
+			}
+
+		}
+
+	}
+
+	_rotateCamera() {
+
+		_moveDirection.set( this._moveCurr.x - this._movePrev.x, this._moveCurr.y - this._movePrev.y, 0 );
+		let angle = _moveDirection.length();
+
+		if ( angle ) {
+
+			this._eye.copy( this.object.position ).sub( this.target );
+
+			_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._eye.applyQuaternion( _quaternion );
+			this.object.up.applyQuaternion( _quaternion );
+
+			this._lastAxis.copy( _axis );
+			this._lastAngle = angle;
+
+		} else if ( ! this.staticMoving && this._lastAngle ) {
+
+			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 );
+
+		}
+
+		this._movePrev.copy( this._moveCurr );
+
+	}
+
+	_zoomCamera() {
+
+		let factor;
+
+		if ( this.state === _STATE.TOUCH_ZOOM_PAN ) {
+
+			factor = this._touchZoomDistanceStart / this._touchZoomDistanceEnd;
+			this._touchZoomDistanceStart = this._touchZoomDistanceEnd;
+
+			if ( this.object.isPerspectiveCamera ) {
+
+				this._eye.multiplyScalar( factor );
+
+			} else if ( this.object.isOrthographicCamera ) {
+
+				this.object.zoom = MathUtils.clamp( this.object.zoom / factor, this.minZoom, this.maxZoom );
+
+				if ( this._lastZoom !== this.object.zoom ) {
+
+					this.object.updateProjectionMatrix();
+
+				}
+
+			} else {
+
+				console.warn( 'THREE.TrackballControls: Unsupported camera type' );
+
+			}
+
+		} else {
+
+			factor = 1.0 + ( this._zoomEnd.y - this._zoomStart.y ) * this.zoomSpeed;
+
+			if ( factor !== 1.0 && factor > 0.0 ) {
+
+				if ( this.object.isPerspectiveCamera ) {
+
+					this._eye.multiplyScalar( factor );
+
+				} else if ( this.object.isOrthographicCamera ) {
+
+					this.object.zoom = MathUtils.clamp( this.object.zoom / factor, this.minZoom, this.maxZoom );
+
+					if ( this._lastZoom !== this.object.zoom ) {
+
+						this.object.updateProjectionMatrix();
+
+					}
+
+				} else {
+
+					console.warn( 'THREE.TrackballControls: Unsupported camera type' );
+
+				}
+
+			}
+
+			if ( this.staticMoving ) {
+
+				this._zoomStart.copy( this._zoomEnd );
+
+			} else {
+
+				this._zoomStart.y += ( this._zoomEnd.y - this._zoomStart.y ) * this.dynamicDampingFactor;
+
+			}
+
+		}
+
+	}
+
+	_getMouseOnScreen( pageX, pageY ) {
+
+		_v2.set(
+			( pageX - this.screen.left ) / this.screen.width,
+			( pageY - this.screen.top ) / this.screen.height
+		);
+
+		return _v2;
+
+	}
+
+	_getMouseOnCircle( pageX, pageY ) {
+
+		_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
+		);
+
+		return _v2;
+
+	}
+
+	_addPointer( event ) {
+
+		this._pointers.push( event );
+
+	}
+
+	_removePointer( event ) {
+
+		delete this._pointerPositions[ event.pointerId ];
+
+		for ( let i = 0; i < this._pointers.length; i ++ ) {
+
+			if ( this._pointers[ i ].pointerId == event.pointerId ) {
+
+				this._pointers.splice( i, 1 );
+				return;
+
+			}
+
+		}
+
+	}
+
+	_trackPointer( event ) {
+
+		let position = this._pointerPositions[ event.pointerId ];
+
+		if ( position === undefined ) {
+
+			position = new Vector2();
+			this._pointerPositions[ event.pointerId ] = position;
+
+		}
+
+		position.set( event.pageX, event.pageY );
+
+	}
+
+	_getSecondPointerPosition( event ) {
+
+		const pointer = ( event.pointerId === this._pointers[ 0 ].pointerId ) ? this._pointers[ 1 ] : this._pointers[ 0 ];
+
+		return this._pointerPositions[ pointer.pointerId ];
+
+	}
+
+	_checkDistances() {
+
+		if ( ! this.noZoom || ! this.noPan ) {
+
+			if ( this._eye.lengthSq() > this.maxDistance * this.maxDistance ) {
+
+				this.object.position.addVectors( this.target, this._eye.setLength( this.maxDistance ) );
+				this._zoomStart.copy( this._zoomEnd );
+
+			}
+
+			if ( this._eye.lengthSq() < this.minDistance * this.minDistance ) {
+
+				this.object.position.addVectors( this.target, this._eye.setLength( this.minDistance ) );
+				this._zoomStart.copy( this._zoomEnd );
+
+			}
+
+		}
+
+	}
+
+}
+
+function onPointerDown( event ) {
+
+	if ( this.enabled === false ) return;
+
+	if ( this._pointers.length === 0 ) {
+
+		this.domElement.setPointerCapture( event.pointerId );
+
+		this.domElement.addEventListener( 'pointermove', this._onPointerMove );
+		this.domElement.addEventListener( 'pointerup', this._onPointerUp );
+
+	}
+
+	//
+
+	this._addPointer( event );
+
+	if ( event.pointerType === 'touch' ) {
+
+		this._onTouchStart( event );
+
+	} else {
+
+		this._onMouseDown( event );
+
+	}
+
+}
+
+function onPointerMove( event ) {
+
+	if ( this.enabled === false ) return;
+
+	if ( event.pointerType === 'touch' ) {
+
+		this._onTouchMove( event );
+
+	} else {
+
+		this._onMouseMove( event );
+
+	}
+
+}
+
+function onPointerUp( event ) {
+
+	if ( this.enabled === false ) return;
+
+	if ( event.pointerType === 'touch' ) {
+
+		this._onTouchEnd( event );
+
+	} else {
+
+		this._onMouseUp();
+
+	}
+
+	//
+
+	this._removePointer( event );
+
+	if ( this._pointers.length === 0 ) {
+
+		this.domElement.releasePointerCapture( event.pointerId );
+
+		this.domElement.removeEventListener( 'pointermove', this._onPointerMove );
+		this.domElement.removeEventListener( 'pointerup', this._onPointerUp );
+
+	}
+
+}
+
+function onPointerCancel( event ) {
+
+	this._removePointer( event );
+
+}
+
+function onKeyUp() {
+
+	if ( this.enabled === false ) return;
+
+	this.keyState = _STATE.NONE;
+
+	window.addEventListener( 'keydown', this._onKeyDown );
+
+}
+
+function onKeyDown( event ) {
+
+	if ( this.enabled === false ) return;
+
+	window.removeEventListener( 'keydown', this._onKeyDown );
+
+	if ( this.keyState !== _STATE.NONE ) {
+
+		return;
+
+	} else if ( event.code === this.keys[ _STATE.ROTATE ] && ! this.noRotate ) {
+
+		this.keyState = _STATE.ROTATE;
+
+	} else if ( event.code === this.keys[ _STATE.ZOOM ] && ! this.noZoom ) {
+
+		this.keyState = _STATE.ZOOM;
+
+	} else if ( event.code === this.keys[ _STATE.PAN ] && ! this.noPan ) {
+
+		this.keyState = _STATE.PAN;
+
+	}
+
+}
+
+function onMouseDown( event ) {
+
+	let mouseAction;
+
+	switch ( event.button ) {
+
+		case 0:
+			mouseAction = this.mouseButtons.LEFT;
+			break;
+
+		case 1:
+			mouseAction = this.mouseButtons.MIDDLE;
+			break;
+
+		case 2:
+			mouseAction = this.mouseButtons.RIGHT;
+			break;
+
+		default:
+			mouseAction = - 1;
+
+	}
+
+	switch ( mouseAction ) {
+
+		case MOUSE.DOLLY:
+			this.state = _STATE.ZOOM;
+			break;
+
+		case MOUSE.ROTATE:
+			this.state = _STATE.ROTATE;
+			break;
+
+		case MOUSE.PAN:
+			this.state = _STATE.PAN;
+			break;
+
+		default:
+			this.state = _STATE.NONE;
+
+	}
+
+	const state = ( this.keyState !== _STATE.NONE ) ? this.keyState : this.state;
+
+	if ( state === _STATE.ROTATE && ! this.noRotate ) {
+
+		this._moveCurr.copy( this._getMouseOnCircle( event.pageX, event.pageY ) );
+		this._movePrev.copy( this._moveCurr );
+
+	} else if ( state === _STATE.ZOOM && ! this.noZoom ) {
+
+		this._zoomStart.copy( this._getMouseOnScreen( event.pageX, event.pageY ) );
+		this._zoomEnd.copy( this._zoomStart );
+
+	} else if ( state === _STATE.PAN && ! this.noPan ) {
+
+		this._panStart.copy( this._getMouseOnScreen( event.pageX, event.pageY ) );
+		this._panEnd.copy( this._panStart );
+
+	}
+
+	this.dispatchEvent( _startEvent );
+
+}
+
+function onMouseMove( event ) {
+
+	const state = ( this.keyState !== _STATE.NONE ) ? this.keyState : this.state;
+
+	if ( state === _STATE.ROTATE && ! this.noRotate ) {
+
+		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 ) );
+
+	} else if ( state === _STATE.PAN && ! this.noPan ) {
+
+		this._panEnd.copy( this._getMouseOnScreen( event.pageX, event.pageY ) );
+
+	}
+
+}
+
+function onMouseUp() {
+
+	this.state = _STATE.NONE;
+
+	this.dispatchEvent( _endEvent );
+
+}
+
+function onMouseWheel( event ) {
+
+	if ( this.enabled === false ) return;
+
+	if ( this.noZoom === true ) return;
+
+	event.preventDefault();
+
+	switch ( event.deltaMode ) {
+
+		case 2:
+			// Zoom in pages
+			this._zoomStart.y -= event.deltaY * 0.025;
+			break;
+
+		case 1:
+			// Zoom in lines
+			this._zoomStart.y -= event.deltaY * 0.01;
+			break;
+
+		default:
+			// undefined, 0, assume pixels
+			this._zoomStart.y -= event.deltaY * 0.00025;
+			break;
+
+	}
+
+	this.dispatchEvent( _startEvent );
+	this.dispatchEvent( _endEvent );
+
+}
+
+function onContextMenu( event ) {
+
+	if ( this.enabled === false ) return;
+
+	event.preventDefault();
+
+}
+
+function onTouchStart( event ) {
+
+	this._trackPointer( event );
+
+	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;
+
+	}
+
+	this.dispatchEvent( _startEvent );
+
+}
+
+function onTouchMove( event ) {
+
+	this._trackPointer( event );
+
+	switch ( this._pointers.length ) {
+
+		case 1:
+			this._movePrev.copy( this._moveCurr );
+			this._moveCurr.copy( this._getMouseOnCircle( event.pageX, event.pageY ) );
+			break;
+
+		default: // 2 or more
+
+			const position = this._getSecondPointerPosition( event );
+
+			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;
+
+	}
+
+}
+
+function onTouchEnd( event ) {
+
+	switch ( this._pointers.length ) {
+
+		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;
+
+		case 2:
+			this.state = _STATE.TOUCH_ZOOM_PAN;
+
+			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;
+
+				}
+
+			}
+
+			break;
+
+	}
+
+	this.dispatchEvent( _endEvent );
+
+}
+
+export { TrackballControls };