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 };
 |