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webvr_dragging.html 8.1 KB
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<!DOCTYPE html>
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<html lang="en">
	<head>
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		<title>three.js webvr - dragging</title>
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		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
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		<!-- Origin Trial Token, feature = WebVR (For Chrome M62+), origin = https://threejs.org, expires = 2018-08-30 -->
		<meta http-equiv="origin-trial" data-feature="WebVR (For Chrome M62+)" data-expires="2018-08-30" content="Ag80lPFLAvRyqP2W5I5XBzACxrTAQTWa3cXebXzq+WzW66nlQa6lvejGg1gdAMrzYbY6jUWp8g08kEnzb6svVgcAAABQeyJvcmlnaW4iOiJodHRwczovL3RocmVlanMub3JnOjQ0MyIsImZlYXR1cmUiOiJXZWJWUjEuMU02MiIsImV4cGlyeSI6MTUzNTYzNjYxOX0=">
		<!-- Origin Trial Token, feature = WebXR Device API, origin = https://threejs.org, expires = 2018-08-28 -->
		<meta http-equiv="origin-trial" data-feature="WebXR Device API" data-expires="2018-08-28" content="Ag7nJS0Q6nBKfmRY1XLKHslnz73amLhaf8RoFpYz36MpMq0oa30AETLXer74BIwa3t8uDXlR0n4W9f/o674Rqw4AAABQeyJvcmlnaW4iOiJodHRwczovL3RocmVlanMub3JnOjQ0MyIsImZlYXR1cmUiOiJXZWJYUkRldmljZSIsImV4cGlyeSI6MTUzNTQxNDQwMH0=">
		<!-- Origin Trial Token, feature = WebXR Gamepad Support, origin = https://threejs.org, expires = 2018-08-28 -->
		<meta http-equiv="origin-trial" data-feature="WebXR Gamepad Support" data-expires="2018-08-28" content="AsflqqNG2L/Eepy8xSwCYwWH5U7w3nN7Ak137jGxMeBFz9lqQVcMBqMTcMw6ZkxThB7ZM2Cn7hgPqX++ZlgC9wMAAABYeyJvcmlnaW4iOiJodHRwczovL3RocmVlanMub3JnOjQ0MyIsImZlYXR1cmUiOiJXZWJYUkdhbWVwYWRTdXBwb3J0IiwiZXhwaXJ5IjoxNTM1NDE0NDAwfQ==">
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		<style>
			body {
				font-family: Monospace;
				background-color: #101010;
				color: #fff;
				margin: 0px;
				overflow: hidden;
			}
			a {
				color: #f00;
			}
		</style>
	</head>
	<body>

		<script src="../build/three.js"></script>
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		<script src="js/vr/WebVR.js"></script>
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		<script>

			var container;
			var camera, scene, renderer;
			var controller1, controller2;

			var raycaster, intersected = [];
			var tempMatrix = new THREE.Matrix4();

			var group;

			init();
			animate();

			function init() {

				container = document.createElement( 'div' );
				document.body.appendChild( container );

				var info = document.createElement( 'div' );
				info.style.position = 'absolute';
				info.style.top = '10px';
				info.style.width = '100%';
				info.style.textAlign = 'center';
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				info.innerHTML = '<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> webgl - dragging';
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				container.appendChild( info );

				scene = new THREE.Scene();
				scene.background = new THREE.Color( 0x808080 );

				camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.1, 10 );
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				var geometry = new THREE.PlaneBufferGeometry( 4, 4 );
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				var material = new THREE.MeshStandardMaterial( {
					color: 0xeeeeee,
					roughness: 1.0,
					metalness: 0.0
				} );
				var floor = new THREE.Mesh( geometry, material );
				floor.rotation.x = - Math.PI / 2;
				floor.receiveShadow = true;
				scene.add( floor );

				scene.add( new THREE.HemisphereLight( 0x808080, 0x606060 ) );

				var light = new THREE.DirectionalLight( 0xffffff );
				light.position.set( 0, 6, 0 );
				light.castShadow = true;
				light.shadow.camera.top = 2;
				light.shadow.camera.bottom = -2;
				light.shadow.camera.right = 2;
				light.shadow.camera.left = -2;
				light.shadow.mapSize.set( 4096, 4096 );
				scene.add( light );

				group = new THREE.Group();
				scene.add( group );

				var geometries = [
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					new THREE.BoxBufferGeometry( 0.2, 0.2, 0.2 ),
					new THREE.ConeBufferGeometry( 0.2, 0.2, 64 ),
					new THREE.CylinderBufferGeometry( 0.2, 0.2, 0.2, 64 ),
					new THREE.IcosahedronBufferGeometry( 0.2, 3 ),
					new THREE.TorusBufferGeometry( 0.2, 0.04, 64, 32 )
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				];

				for ( var i = 0; i < 50; i ++ ) {

					var geometry = geometries[ Math.floor( Math.random() * geometries.length ) ];
					var material = new THREE.MeshStandardMaterial( {
						color: Math.random() * 0xffffff,
						roughness: 0.7,
						metalness: 0.0
					} );

					var object = new THREE.Mesh( geometry, material );

					object.position.x = Math.random() * 4 - 2;
					object.position.y = Math.random() * 2;
					object.position.z = Math.random() * 4 - 2;

					object.rotation.x = Math.random() * 2 * Math.PI;
					object.rotation.y = Math.random() * 2 * Math.PI;
					object.rotation.z = Math.random() * 2 * Math.PI;

					object.scale.setScalar( Math.random() + 0.5 );

					object.castShadow = true;
					object.receiveShadow = true;

					group.add( object );

				}

				//

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.gammaInput = true;
				renderer.gammaOutput = true;
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				renderer.shadowMap.enabled = true;
				renderer.vr.enabled = true;
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				container.appendChild( renderer.domElement );
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				document.body.appendChild( WEBVR.createButton( renderer ) );
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				// controllers
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				controller1 = renderer.vr.getController( 0 );
				controller1.addEventListener( 'selectstart', onSelectStart );
				controller1.addEventListener( 'selectend', onSelectEnd );
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				scene.add( controller1 );
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				controller2 = renderer.vr.getController( 0 );
				controller1.addEventListener( 'selectstart', onSelectStart );
				controller1.addEventListener( 'selectend', onSelectEnd );
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				scene.add( controller2 );
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				//
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				var geometry = new THREE.BufferGeometry().setFromPoints( [ new THREE.Vector3( 0, 0, 0 ), new THREE.Vector3( 0, 0, - 1 ) ] );
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				var line = new THREE.Line( geometry );
				line.name = 'line';
				line.scale.z = 5;

				controller1.add( line.clone() );
				controller2.add( line.clone() );

				raycaster = new THREE.Raycaster();

				//

				window.addEventListener( 'resize', onWindowResize, false );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();
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				renderer.setSize( window.innerWidth, window.innerHeight );
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			}
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			function onSelectStart( event ) {
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				var controller = event.target;

				var intersections = getIntersections( controller );

				if ( intersections.length > 0 ) {

					var intersection = intersections[ 0 ];

					tempMatrix.getInverse( controller.matrixWorld );

					var object = intersection.object;
					object.matrix.premultiply( tempMatrix );
					object.matrix.decompose( object.position, object.quaternion, object.scale );
					object.material.emissive.b = 1;
					controller.add( object );

					controller.userData.selected = object;

				}

			}
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			function onSelectEnd( event ) {
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				var controller = event.target;

				if ( controller.userData.selected !== undefined ) {

					var object = controller.userData.selected;
					object.matrix.premultiply( controller.matrixWorld );
					object.matrix.decompose( object.position, object.quaternion, object.scale );
					object.material.emissive.b = 0;
					group.add( object );

					controller.userData.selected = undefined;

				}


			}

			function getIntersections( controller ) {

				tempMatrix.identity().extractRotation( controller.matrixWorld );

				raycaster.ray.origin.setFromMatrixPosition( controller.matrixWorld );
				raycaster.ray.direction.set( 0, 0, -1 ).applyMatrix4( tempMatrix );

				return raycaster.intersectObjects( group.children );

			}

			function intersectObjects( controller ) {

				// Do not highlight when already selected

				if ( controller.userData.selected !== undefined ) return;

				var line = controller.getObjectByName( 'line' );
				var intersections = getIntersections( controller );

				if ( intersections.length > 0 ) {

					var intersection = intersections[ 0 ];

					var object = intersection.object;
					object.material.emissive.r = 1;
					intersected.push( object );

					line.scale.z = intersection.distance;

				} else {

					line.scale.z = 5;

				}

			}

			function cleanIntersected() {

				while ( intersected.length ) {

					var object = intersected.pop();
					object.material.emissive.r = 0;

				}

			}

			//

			function animate() {
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				renderer.setAnimationLoop( render );
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			}

			function render() {

				cleanIntersected();

				intersectObjects( controller1 );
				intersectObjects( controller2 );
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				renderer.render( scene, camera );
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			}

		</script>
	</body>
</html>