feat: initialize project with core dependencies and game entry point

node_modules/three/examples/jsm/controls/DragControls.js

@@ -0,0 +1,452 @@
+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
+};
+
+/**
+ * This class can be used to provide a drag'n'drop interaction.
+ *
+ * ```js
+ * const controls = new DragControls( objects, camera, renderer.domElement );
+ *
+ * // add event listener to highlight dragged objects
+ * controls.addEventListener( 'dragstart', function ( event ) {
+ *
+ * 	event.object.material.emissive.set( 0xaaaaaa );
+ *
+ * } );
+ *
+ * controls.addEventListener( 'dragend', function ( event ) {
+ *
+ * 	event.object.material.emissive.set( 0x000000 );
+ *
+ * } );
+ * ```
+ *
+ * @augments Controls
+ * @three_import import { DragControls } from 'three/addons/controls/DragControls.js';
+ */
+class DragControls extends Controls {
+
+	/**
+	 * Constructs a new controls instance.
+	 *
+	 * @param {Array<Object3D>} objects - An array of draggable 3D objects.
+	 * @param {Camera} camera - The camera of the rendered scene.
+	 * @param {?HTMLElement} [domElement=null] - The HTML DOM element used for event listeners.
+	 */
+	constructor( objects, camera, domElement = null ) {
+
+		super( camera, domElement );
+
+		/**
+		 * An array of draggable 3D objects.
+		 *
+		 * @type {Array<Object3D>}
+		 */
+		this.objects = objects;
+
+		/**
+		 * Whether children of draggable objects can be dragged independently from their parent.
+		 *
+		 * @type {boolean}
+		 * @default true
+		 */
+		this.recursive = true;
+
+		/**
+		 * This option only works if the `objects` array contains a single draggable  group object.
+		 * If set to `true`, the controls does not transform individual objects but the entire group.
+		 *
+		 * @type {boolean}
+		 * @default false
+		 */
+		this.transformGroup = false;
+
+		/**
+		 * The speed at which the object will rotate when dragged in `rotate` mode.
+		 * The higher the number the faster the rotation.
+		 *
+		 * @type {number}
+		 * @default 1
+		 */
+		this.rotateSpeed = 1;
+
+		/**
+		 * The raycaster used for detecting 3D objects.
+		 *
+		 * @type {Raycaster}
+		 */
+		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( domElement );
+
+		}
+
+	}
+
+	connect( element ) {
+
+		super.connect( element );
+
+		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;
+
+		}
+
+	}
+
+}
+
+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 ) );
+				this.dispatchEvent( { type: 'drag', object: _selected } );
+
+			}
+
+		} 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 ) );
+				domElement.style.cursor = 'move';
+				this.dispatchEvent( { type: 'dragstart', object: _selected } );
+
+			} 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 );
+
+}
+
+/**
+ * Fires when the user drags a 3D object.
+ *
+ * @event DragControls#drag
+ * @type {Object}
+ */
+
+/**
+ * Fires when the user has finished dragging a 3D object.
+ *
+ * @event DragControls#dragend
+ * @type {Object}
+ */
+
+/**
+ * Fires when the pointer is moved onto a 3D object, or onto one of its children.
+ *
+ * @event DragControls#hoveron
+ * @type {Object}
+ */
+
+/**
+ * Fires when the pointer is moved out of a 3D object.
+ *
+ * @event DragControls#hoveroff
+ * @type {Object}
+ */
+
+export { DragControls };

node_modules/three/examples/jsm/controls/FirstPersonControls.js

@@ -0,0 +1,447 @@
+import {
+	Controls,
+	MathUtils,
+	Spherical,
+	Vector3
+} from 'three';
+
+const _lookDirection = new Vector3();
+const _spherical = new Spherical();
+const _target = new Vector3();
+const _targetPosition = new Vector3();
+
+/**
+ * This class is an alternative implementation of {@link FlyControls}.
+ *
+ * @augments Controls
+ * @three_import import { FirstPersonControls } from 'three/addons/controls/FirstPersonControls.js';
+ */
+class FirstPersonControls extends Controls {
+
+	/**
+	 * Constructs a new controls instance.
+	 *
+	 * @param {Object3D} object - The object that is managed by the controls.
+	 * @param {?HTMLElement} domElement - The HTML element used for event listeners.
+	 */
+	constructor( object, domElement = null ) {
+
+		super( object, domElement );
+
+		/**
+		 * The movement speed.
+		 *
+		 * @type {number}
+		 * @default 1
+		 */
+		this.movementSpeed = 1.0;
+
+		/**
+		 * The look around speed.
+		 *
+		 * @type {number}
+		 * @default 0.005
+		 */
+		this.lookSpeed = 0.005;
+
+		/**
+		 * Whether it's possible to vertically look around or not.
+		 *
+		 * @type {boolean}
+		 * @default true
+		 */
+		this.lookVertical = true;
+
+		/**
+		 * Whether the camera is automatically moved forward or not.
+		 *
+		 * @type {boolean}
+		 * @default false
+		 */
+		this.autoForward = false;
+
+		/**
+		 * Whether it's possible to look around or not.
+		 *
+		 * @type {boolean}
+		 * @default true
+		 */
+		this.activeLook = true;
+
+		/**
+		 * Whether or not the camera's height influences the forward movement speed.
+		 * Use the properties `heightCoef`, `heightMin` and `heightMax` for configuration.
+		 *
+		 * @type {boolean}
+		 * @default false
+		 */
+		this.heightSpeed = false;
+
+		/**
+		 * Determines how much faster the camera moves when it's y-component is near `heightMax`.
+		 *
+		 * @type {number}
+		 * @default 1
+		 */
+		this.heightCoef = 1.0;
+
+		/**
+		 * Lower camera height limit used for movement speed adjustment.
+		 *
+		 * @type {number}
+		 * @default 0
+		 */
+		this.heightMin = 0.0;
+
+		/**
+		 * Upper camera height limit used for movement speed adjustment.
+		 *
+		 * @type {number}
+		 * @default 1
+		 */
+		this.heightMax = 1.0;
+
+		/**
+		 * Whether or not looking around is vertically constrained by `verticalMin` and `verticalMax`.
+		 *
+		 * @type {boolean}
+		 * @default false
+		 */
+		this.constrainVertical = false;
+
+		/**
+		 * How far you can vertically look around, lower limit. Range is `0` to `Math.PI` in radians.
+		 *
+		 * @type {number}
+		 * @default 0
+		 */
+		this.verticalMin = 0;
+
+		/**
+		 * How far you can vertically look around, upper limit. Range is `0` to `Math.PI` in radians.
+		 *
+		 * @type {number}
+		 * @default 0
+		 */
+		this.verticalMax = Math.PI;
+
+		/**
+		 * Whether the mouse is pressed down or not.
+		 *
+		 * @type {boolean}
+		 * @readonly
+		 * @default false
+		 */
+		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( domElement );
+
+			this.handleResize();
+
+		}
+
+		this._setOrientation();
+
+	}
+
+	connect( element ) {
+
+		super.connect( element );
+
+		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( 'pointermove', this._onPointerMove );
+		this.domElement.removeEventListener( 'pointerdown', this._onPointerDown );
+		this.domElement.removeEventListener( 'pointerup', this._onPointerUp );
+		this.domElement.removeEventListener( 'contextmenu', this._onContextMenu );
+
+	}
+
+	dispose() {
+
+		this.disconnect();
+
+	}
+
+	/**
+	 * Must be called if the application window is resized.
+	 */
+	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;
+
+		}
+
+	}
+
+	/**
+	 * Rotates the camera towards the defined target position.
+	 *
+	 * @param {number|Vector3} x - The x coordinate of the target position or alternatively a vector representing the target position.
+	 * @param {number} y - The y coordinate of the target position.
+	 * @param {number} z - The z coordinate of the target position.
+	 * @return {FirstPersonControls} A reference to this controls.
+	 */
+	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 };

node_modules/three/examples/jsm/controls/FlyControls.js

@@ -0,0 +1,380 @@
+import {
+	Controls,
+	Quaternion,
+	Vector3
+} from 'three';
+
+/**
+ * Fires when the camera has been transformed by the controls.
+ *
+ * @event FlyControls#change
+ * @type {Object}
+ */
+const _changeEvent = { type: 'change' };
+
+const _EPS = 0.000001;
+const _tmpQuaternion = new Quaternion();
+
+/**
+ * This class enables a navigation similar to fly modes in DCC tools like Blender.
+ * You can arbitrarily transform the camera in 3D space without any limitations
+ * (e.g. focus on a specific target).
+ *
+ * @augments Controls
+ * @three_import import { FlyControls } from 'three/addons/controls/FlyControls.js';
+ */
+class FlyControls extends Controls {
+
+	/**
+	 * Constructs a new controls instance.
+	 *
+	 * @param {Object3D} object - The object that is managed by the controls.
+	 * @param {?HTMLElement} domElement - The HTML element used for event listeners.
+	 */
+	constructor( object, domElement = null ) {
+
+		super( object, domElement );
+
+		/**
+		 * The movement speed.
+		 *
+		 * @type {number}
+		 * @default 1
+		 */
+		this.movementSpeed = 1.0;
+
+		/**
+		 * The rotation speed.
+		 *
+		 * @type {number}
+		 * @default 0.005
+		 */
+		this.rollSpeed = 0.005;
+
+		/**
+		 * If set to `true`, you can only look around by performing a drag interaction.
+		 *
+		 * @type {boolean}
+		 * @default false
+		 */
+		this.dragToLook = false;
+
+		/**
+		 * If set to `true`, the camera automatically moves forward (and does not stop) when initially translated.
+		 *
+		 * @type {boolean}
+		 * @default 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( domElement );
+
+		}
+
+	}
+
+	connect( element ) {
+
+		super.connect( element );
+
+		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 };

node_modules/three/examples/jsm/controls/MapControls.js

@@ -0,0 +1,116 @@
+import { MOUSE, TOUCH, Plane, Raycaster, Vector2, Vector3 } from 'three';
+
+import { OrbitControls } from './OrbitControls.js';
+
+const _plane = new Plane();
+const _raycaster = new Raycaster();
+const _mouse = new Vector2();
+const _panCurrent = new Vector3();
+
+/**
+ * This class is intended for transforming a camera over a map from bird's eye perspective.
+ * The class shares its implementation with {@link OrbitControls} but uses a specific preset
+ * for mouse/touch interaction and disables screen space panning 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.
+ *
+ * @augments OrbitControls
+ * @three_import import { MapControls } from 'three/addons/controls/MapControls.js';
+ */
+class MapControls extends OrbitControls {
+
+	constructor( object, domElement ) {
+
+		super( object, domElement );
+
+		/**
+		 * Overwritten and set to `false` to pan orthogonal to world-space direction `camera.up`.
+		 *
+		 * @type {boolean}
+		 * @default false
+		 */
+		this.screenSpacePanning = false;
+
+		/**
+		 * This object contains references to the mouse actions used by the controls.
+		 *
+		 * ```js
+		 * controls.mouseButtons = {
+		 * 	LEFT: THREE.MOUSE.PAN,
+		 * 	MIDDLE: THREE.MOUSE.DOLLY,
+		 * 	RIGHT: THREE.MOUSE.ROTATE
+		 * }
+		 * ```
+		 * @type {Object}
+		 */
+		this.mouseButtons = { LEFT: MOUSE.PAN, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.ROTATE };
+
+		/**
+		 * This object contains references to the touch actions used by the controls.
+		 *
+		 * ```js
+		 * controls.mouseButtons = {
+		 * 	ONE: THREE.TOUCH.PAN,
+		 * 	TWO: THREE.TOUCH.DOLLY_ROTATE
+		 * }
+		 * ```
+		 * @type {Object}
+		 */
+		this.touches = { ONE: TOUCH.PAN, TWO: TOUCH.DOLLY_ROTATE };
+
+		this._panWorldStart = new Vector3();
+
+	}
+
+	_handleMouseDownPan( event ) {
+
+		super._handleMouseDownPan( event );
+
+		this._panOffset.set( 0, 0, 0 );
+
+		if ( this.screenSpacePanning === true ) return;
+
+		_plane.setFromNormalAndCoplanarPoint( this.object.up, this.target );
+
+		const element = this.domElement;
+		const rect = element.getBoundingClientRect();
+		_mouse.x = ( ( event.clientX - rect.left ) / rect.width ) * 2 - 1;
+		_mouse.y = - ( ( event.clientY - rect.top ) / rect.height ) * 2 + 1;
+
+		_raycaster.setFromCamera( _mouse, this.object );
+		_raycaster.ray.intersectPlane( _plane, this._panWorldStart );
+
+	}
+
+	_handleMouseMovePan( event ) {
+
+		if ( this.screenSpacePanning === true ) {
+
+			super._handleMouseMovePan( event );
+			return;
+
+		}
+
+		const element = this.domElement;
+		const rect = element.getBoundingClientRect();
+		_mouse.x = ( ( event.clientX - rect.left ) / rect.width ) * 2 - 1;
+		_mouse.y = - ( ( event.clientY - rect.top ) / rect.height ) * 2 + 1;
+
+		_raycaster.setFromCamera( _mouse, this.object );
+
+		if ( _raycaster.ray.intersectPlane( _plane, _panCurrent ) ) {
+
+			_panCurrent.sub( this._panWorldStart );
+			this._panOffset.copy( _panCurrent ).negate();
+
+			this.update();
+
+		}
+
+	}
+
+}
+
+export { MapControls };

node_modules/three/examples/jsm/controls/PointerLockControls.js

@@ -0,0 +1,264 @@
+import {
+	Controls,
+	Euler,
+	Vector3
+} from 'three';
+
+const _euler = new Euler( 0, 0, 0, 'YXZ' );
+const _vector = new Vector3();
+
+/**
+ * Fires when the user moves the mouse.
+ *
+ * @event PointerLockControls#change
+ * @type {Object}
+ */
+const _changeEvent = { type: 'change' };
+
+/**
+ * Fires when the pointer lock status is "locked" (in other words: the mouse is captured).
+ *
+ * @event PointerLockControls#lock
+ * @type {Object}
+ */
+const _lockEvent = { type: 'lock' };
+
+/**
+ * Fires when the pointer lock status is "unlocked" (in other words: the mouse is not captured anymore).
+ *
+ * @event PointerLockControls#unlock
+ * @type {Object}
+ */
+const _unlockEvent = { type: 'unlock' };
+
+const _MOUSE_SENSITIVITY = 0.002;
+const _PI_2 = Math.PI / 2;
+
+/**
+ * The implementation of this class is based on the [Pointer Lock API](https://developer.mozilla.org/en-US/docs/Web/API/Pointer_Lock_API).
+ * `PointerLockControls` is a perfect choice for first person 3D games.
+ *
+ * ```js
+ * const controls = new PointerLockControls( camera, document.body );
+ *
+ * // add event listener to show/hide a UI (e.g. the game's menu)
+ * controls.addEventListener( 'lock', function () {
+ *
+ * 	menu.style.display = 'none';
+ *
+ * } );
+ *
+ * controls.addEventListener( 'unlock', function () {
+ *
+ * 	menu.style.display = 'block';
+ *
+ * } );
+ * ```
+ *
+ * @augments Controls
+ * @three_import import { PointerLockControls } from 'three/addons/controls/PointerLockControls.js';
+ */
+class PointerLockControls extends Controls {
+
+	/**
+	 * Constructs a new controls instance.
+	 *
+	 * @param {Camera} camera - The camera that is managed by the controls.
+	 * @param {?HTMLElement} domElement - The HTML element used for event listeners.
+	 */
+	constructor( camera, domElement = null ) {
+
+		super( camera, domElement );
+
+		/**
+		 * Whether the controls are locked or not.
+		 *
+		 * @type {boolean}
+		 * @readonly
+		 * @default false
+		 */
+		this.isLocked = false;
+
+		/**
+		 * Camera pitch, lower limit. Range is '[0, Math.PI]' in radians.
+		 *
+		 * @type {number}
+		 * @default 0
+		 */
+		this.minPolarAngle = 0;
+
+		/**
+		 * Camera pitch, upper limit. Range is '[0, Math.PI]' in radians.
+		 *
+		 * @type {number}
+		 * @default Math.PI
+		 */
+		this.maxPolarAngle = Math.PI;
+
+		/**
+		 * Multiplier for how much the pointer movement influences the camera rotation.
+		 *
+		 * @type {number}
+		 * @default 1
+		 */
+		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( this.domElement );
+
+		}
+
+	}
+
+	connect( element ) {
+
+		super.connect( element );
+
+		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();
+
+	}
+
+	/**
+	 * Returns the look direction of the camera.
+	 *
+	 * @param {Vector3} v - The target vector that is used to store the method's result.
+	 * @return {Vector3} The normalized direction vector.
+	 */
+	getDirection( v ) {
+
+		return v.set( 0, 0, - 1 ).applyQuaternion( this.object.quaternion );
+
+	}
+
+	/**
+	 * Moves the camera forward parallel to the xz-plane. Assumes camera.up is y-up.
+	 *
+	 * @param {number} distance - The signed distance.
+	 */
+	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 );
+
+	}
+
+	/**
+	 * Moves the camera sidewards parallel to the xz-plane.
+	 *
+	 * @param {number} distance - The signed distance.
+	 */
+	moveRight( distance ) {
+
+		if ( this.enabled === false ) return;
+
+		const camera = this.object;
+
+		_vector.setFromMatrixColumn( camera.matrix, 0 );
+
+		camera.position.addScaledVector( _vector, distance );
+
+	}
+
+	/**
+	 * Activates the pointer lock.
+	 *
+	 * @param {boolean} [unadjustedMovement=false] - Disables OS-level adjustment for mouse acceleration, and accesses raw mouse input instead.
+	 * Setting it to true will disable mouse acceleration.
+	 */
+	lock( unadjustedMovement = false ) {
+
+		this.domElement.requestPointerLock( {
+			unadjustedMovement
+		} );
+
+	}
+
+	/**
+	 * Exits the pointer lock.
+	 */
+	unlock() {
+
+		this.domElement.ownerDocument.exitPointerLock();
+
+	}
+
+}
+
+// event listeners
+
+function onMouseMove( event ) {
+
+	if ( this.enabled === false || this.isLocked === false ) return;
+
+	const camera = this.object;
+	_euler.setFromQuaternion( camera.quaternion );
+
+	_euler.y -= event.movementX * _MOUSE_SENSITIVITY * this.pointerSpeed;
+	_euler.x -= event.movementY * _MOUSE_SENSITIVITY * 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 };