107 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			107 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | import { | ||
|  | 	Group, | ||
|  | 	Raycaster, | ||
|  | 	Vector2 | ||
|  | } from 'three'; | ||
|  | 
 | ||
|  | const _pointer = new Vector2(); | ||
|  | const _event = { type: '', data: _pointer }; | ||
|  | 
 | ||
|  | const _raycaster = new Raycaster(); | ||
|  | 
 | ||
|  | class InteractiveGroup extends Group { | ||
|  | 
 | ||
|  | 	listenToPointerEvents( renderer, camera ) { | ||
|  | 
 | ||
|  | 		const scope = this; | ||
|  | 		const raycaster = new Raycaster(); | ||
|  | 
 | ||
|  | 		const element = renderer.domElement; | ||
|  | 
 | ||
|  | 		function onPointerEvent( event ) { | ||
|  | 
 | ||
|  | 			event.stopPropagation(); | ||
|  | 
 | ||
|  | 			const rect = renderer.domElement.getBoundingClientRect(); | ||
|  | 
 | ||
|  | 			_pointer.x = ( event.clientX - rect.left ) / rect.width * 2 - 1; | ||
|  | 			_pointer.y = - ( event.clientY - rect.top ) / rect.height * 2 + 1; | ||
|  | 
 | ||
|  | 			raycaster.setFromCamera( _pointer, camera ); | ||
|  | 
 | ||
|  | 			const intersects = raycaster.intersectObjects( scope.children, false ); | ||
|  | 
 | ||
|  | 			if ( intersects.length > 0 ) { | ||
|  | 
 | ||
|  | 				const intersection = intersects[ 0 ]; | ||
|  | 
 | ||
|  | 				const object = intersection.object; | ||
|  | 				const uv = intersection.uv; | ||
|  | 
 | ||
|  | 				_event.type = event.type; | ||
|  | 				_event.data.set( uv.x, 1 - uv.y ); | ||
|  | 
 | ||
|  | 				object.dispatchEvent( _event ); | ||
|  | 
 | ||
|  | 			} | ||
|  | 
 | ||
|  | 		} | ||
|  | 
 | ||
|  | 		element.addEventListener( 'pointerdown', onPointerEvent ); | ||
|  | 		element.addEventListener( 'pointerup', onPointerEvent ); | ||
|  | 		element.addEventListener( 'pointermove', onPointerEvent ); | ||
|  | 		element.addEventListener( 'mousedown', onPointerEvent ); | ||
|  | 		element.addEventListener( 'mouseup', onPointerEvent ); | ||
|  | 		element.addEventListener( 'mousemove', onPointerEvent ); | ||
|  | 		element.addEventListener( 'click', onPointerEvent ); | ||
|  | 
 | ||
|  | 	} | ||
|  | 
 | ||
|  | 	listenToXRControllerEvents( controller ) { | ||
|  | 
 | ||
|  | 		const scope = this; | ||
|  | 
 | ||
|  | 		// TODO: Dispatch pointerevents too
 | ||
|  | 
 | ||
|  | 		const events = { | ||
|  | 			'move': 'mousemove', | ||
|  | 			'select': 'click', | ||
|  | 			'selectstart': 'mousedown', | ||
|  | 			'selectend': 'mouseup' | ||
|  | 		}; | ||
|  | 
 | ||
|  | 		function onXRControllerEvent( event ) { | ||
|  | 
 | ||
|  | 			const controller = event.target; | ||
|  | 
 | ||
|  | 			_raycaster.setFromXRController( controller ); | ||
|  | 
 | ||
|  | 			const intersections = _raycaster.intersectObjects( scope.children, false ); | ||
|  | 
 | ||
|  | 			if ( intersections.length > 0 ) { | ||
|  | 
 | ||
|  | 				const intersection = intersections[ 0 ]; | ||
|  | 
 | ||
|  | 				const object = intersection.object; | ||
|  | 				const uv = intersection.uv; | ||
|  | 
 | ||
|  | 				_event.type = events[ event.type ]; | ||
|  | 				_event.data.set( uv.x, 1 - uv.y ); | ||
|  | 
 | ||
|  | 				object.dispatchEvent( _event ); | ||
|  | 
 | ||
|  | 			} | ||
|  | 
 | ||
|  | 		} | ||
|  | 
 | ||
|  | 		controller.addEventListener( 'move', onXRControllerEvent ); | ||
|  | 		controller.addEventListener( 'select', onXRControllerEvent ); | ||
|  | 		controller.addEventListener( 'selectstart', onXRControllerEvent ); | ||
|  | 		controller.addEventListener( 'selectend', onXRControllerEvent ); | ||
|  | 
 | ||
|  | 	} | ||
|  | 
 | ||
|  | } | ||
|  | 
 | ||
|  | export { InteractiveGroup }; |