107 lines
2.4 KiB
JavaScript
107 lines
2.4 KiB
JavaScript
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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