143 lines
4 KiB
JavaScript
143 lines
4 KiB
JavaScript
// wrapper to survive in/outside modules
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xrf.interactiveGroup = function(THREE,renderer,camera){
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let {
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Group,
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Matrix4,
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Raycaster,
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Vector2
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} = THREE
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const _pointer = new Vector2();
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const _event = { type: '', data: _pointer };
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let object = {selected:false}
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class interactive extends Group {
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constructor( renderer, camera ) {
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super();
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if( !renderer || !camera ) return
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// extract camera when camera-rig is passed
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camera.traverse( (n) => String(n.type).match(/Camera/) ? camera = n : null )
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const scope = this;
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scope.objects = []
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const raycaster = new Raycaster();
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const tempMatrix = new Matrix4();
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// Pointer Events
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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.objects, false );
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if ( intersects.length > 0 ) {
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const intersection = intersects[ 0 ];
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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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}else{
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if( object.selected ) {
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_event.type = 'mouseleave'
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object.dispatchEvent( _event)
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}
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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( 'mousemove', onPointerEvent );
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element.addEventListener( 'click', onPointerEvent );
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element.addEventListener( 'mouseup', onPointerEvent );
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// WebXR Controller Events
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// TODO: Dispatch pointerevents too
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const eventsMapper = {
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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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tempMatrix.identity().extractRotation( controller.matrixWorld );
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raycaster.ray.origin.setFromMatrixPosition( controller.matrixWorld );
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raycaster.ray.direction.set( 0, 0, - 1 ).applyMatrix4( tempMatrix );
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const intersections = raycaster.intersectObjects( scope.objects, false );
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if ( intersections.length > 0 ) {
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console.log(object.name)
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const intersection = intersections[ 0 ];
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object = intersection.object;
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const uv = intersection.uv;
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_event.type = eventsMapper[ 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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}else{
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if( object.selected ) {
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_event.type = 'mouseleave'
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object.dispatchEvent(_event)
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}
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}
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}
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const controller1 = renderer.xr.getController( 0 );
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controller1.addEventListener( 'move', onXRControllerEvent );
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controller1.addEventListener( 'select', onXRControllerEvent );
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controller1.addEventListener( 'selectstart', onXRControllerEvent );
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controller1.addEventListener( 'selectend', onXRControllerEvent );
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const controller2 = renderer.xr.getController( 1 );
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controller2.addEventListener( 'move', onXRControllerEvent );
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controller2.addEventListener( 'select', onXRControllerEvent );
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controller2.addEventListener( 'selectstart', onXRControllerEvent );
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controller2.addEventListener( 'selectend', onXRControllerEvent );
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}
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add(obj, unparent){
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if( unparent ) Group.prototype.add.call( this, obj )
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this.objects.push(obj)
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}
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}
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return new interactive(renderer,camera)
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}
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