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