javascript
/
three.js
spegling av https://github.com/tazdij/three.js.git


			
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							<!DOCTYPE HTML>
<html lang="en">
	<head>
		<title>three.js - vr</title>
		<meta charset="utf-8">
		<style type="text/css">
			body {
				background-color: #ffffff;
				margin: 0px;
				overflow: hidden;
			}

			#info {
				position: absolute;
				top: 0px; width: 100%;
				color: #ffffff;
				padding: 5px;
				font-family:Monospace;
				font-size:13px;
				text-align:center;
			}

			a {
				color: #ffffff;
			}
		</style>
	</head>
	<body>

		<div id="container"></div> 
		<div id="info"><a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - vr demo. skybox by <a href="http://www.zfight.com/" target="_blank">Jochum Skoglund</a></div>

		<script type="text/javascript" src="../build/three.js"></script>
		<script type="text/javascript" src="primitives/Plane.js"></script>

		<script type="text/javascript">

			var SCREEN_WIDTH = window.innerWidth, SCREEN_HEIGHT = window.innerHeight;

			var camera, scene, renderer;

			var texture_placeholder, wireframe,
			isUserInteracting = false,
			onMouseDownMouseX = 0, onMouseDownMouseY = 0,
			lon = 90, onMouseDownLon = 0,
			lat = 0, onMouseDownLat = 0,
			phi = 0, theta = 0;

			init();

			function init() {

				var container, mesh;

				container = document.getElementById( 'container' );

				camera = new THREE.Camera();
				camera.focus = 300;

				scene = new THREE.Scene();

				texture_placeholder = document.createElement( 'canvas' );
				texture_placeholder.width = 128;
				texture_placeholder.height = 128;

				wireframe = new THREE.ColorStrokeMaterial(1, 0xffffff, 0);

				var context = texture_placeholder.getContext( '2d' );
				context.fillStyle = 'rgba( 200, 200, 200, 1 )';
				context.fillRect( 0, 0, texture_placeholder.width, texture_placeholder.height );

				mesh = new THREE.Mesh( new Plane( 1000, 1000, 5, 5 ), loadTexture( 'textures/skymap_front1024.jpg' ) );
				mesh.position.z = -500;
				scene.add( mesh );

				mesh = new THREE.Mesh( new Plane( 1000, 1000, 5, 5 ), loadTexture( 'textures/skymap_back1024.jpg' ) );
				mesh.position.z = 500;
				mesh.rotation.y = 180 * Math.PI / 180;
				scene.add( mesh );

				mesh = new THREE.Mesh( new Plane( 1000, 1000, 5, 5 ), loadTexture( 'textures/skymap_left1024.jpg' ) );
				mesh.position.x = -500;
				mesh.rotation.y = 90 * Math.PI / 180;
				scene.add( mesh );

				mesh = new THREE.Mesh( new Plane( 1000, 1000, 5, 5 ), loadTexture( 'textures/skymap_right1024.jpg' ) );
				mesh.position.x = 500;
				mesh.rotation.y = -90 * Math.PI / 180;
				scene.add( mesh );

				mesh = new THREE.Mesh( new Plane( 1000, 1000, 5, 5 ), loadTexture( 'textures/skymap_top1024.jpg' ) );
				mesh.position.y = 500;
				mesh.rotation.x = 90 * Math.PI / 180;
				scene.add( mesh );

				mesh = new THREE.Mesh( new Plane( 1000, 1000, 5, 5 ), loadTexture( 'textures/skymap_bottom1024.jpg' ) );
				mesh.position.y = -500;
				mesh.rotation.x = -90 * Math.PI / 180;
				scene.add( mesh );


				renderer = new THREE.CanvasRenderer();
				renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );

				container.appendChild( renderer.domElement );

				document.addEventListener( 'mousedown', onDocumentMouseDown, false );
				document.addEventListener( 'mousemove', onDocumentMouseMove, false );
				document.addEventListener( 'mouseup', onDocumentMouseUp, false );

				document.addEventListener('touchstart', onDocumentTouchStart, false);
				document.addEventListener('touchmove', onDocumentTouchMove, false);

			}

			function loadTexture( path ) {

				var material = new THREE.BitmapUVMappingMaterial( texture_placeholder );

				var texture = new Image();

				texture.onload = function () {

					material.bitmap = this;
					render();

				};

				texture.src = path;

				return [ material, wireframe ];
			}

			function onDocumentMouseDown( event ) {

				event.preventDefault();

				isUserInteracting = true;

				wireframe.color.setRGBA(255, 255, 255, 0.2);

				onPointerDownPointerX = event.clientX;
				onPointerDownPointerY = event.clientY;

				onPointerDownLon = lon;
				onPointerDownLat = lat;

			}

			function onDocumentMouseMove( event ) {

				if (isUserInteracting) {

					lon = ( onPointerDownPointerX - event.clientX ) * 0.1 + onPointerDownLon;
					lat = ( event.clientY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;

					render();

				}
			}

			function onDocumentMouseUp( event ) {

				isUserInteracting = false;

				wireframe.color.setRGBA(255, 255, 255, 0);
				render();
			}


			function onDocumentTouchStart( event ) {

				if(event.touches.length == 1) {

					event.preventDefault();

					onPointerDownPointerX = event.touches[0].pageX;
					onPointerDownPointerY = event.touches[0].pageY;

					onPointerDownLon = lon;
					onPointerDownLat = lat;
				}
			}

			function onDocumentTouchMove( event ) {

				if(event.touches.length == 1) {

					event.preventDefault();

					lon = ( onPointerDownPointerX - event.touches[0].pageX ) * 0.1 + onPointerDownLon;
					lat = ( event.touches[0].pageY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;

					render();

				}
			}

			function render() {

				lat = Math.max( - 85, Math.min( 85, lat ) );
				phi = ( 90 - lat ) * Math.PI / 180;
				theta = ( lon + 180 ) * Math.PI / 180;

				camera.target.position.x = 500 * Math.sin(phi) * Math.cos(theta);
				camera.target.position.y = 500 * Math.cos(phi);
				camera.target.position.z = 500 * Math.sin(phi) * Math.sin(theta);

				renderer.render(scene, camera);

			}

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