Files
three.js/examples/webgl_lod.html
T
alteredq 9f7f8fd015 Half-baked LOD attempt.
This doesn't handle properly order of updates of LOD vs camera.
2011-10-24 15:19:59 +02:00

277 lines
13 KiB
HTML

<!doctype html>
<html lang="en">
<head>
<title>three.js webgl - level-of-details</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
background:#000;
color:#fff;
padding:0;
margin:0;
font-weight: bold;
overflow:hidden;
}
#info {
position: absolute;
top: 0px; width: 100%;
color: #ffffff;
padding: 5px;
font-family: Monospace;
font-size: 13px;
text-align: center;
z-index:100;
}
a { color:red }
</style>
</head>
<body>
<div id="info">
<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - level-of-details WebGL example
</div>
<!--
<script src="../build/Three.js"></script>
-->
<script type="text/javascript" src="../src/Three.js"></script>
<script type="text/javascript" src="../src/core/Clock.js"></script>
<script type="text/javascript" src="../src/core/Color.js"></script>
<script type="text/javascript" src="../src/core/Vector2.js"></script>
<script type="text/javascript" src="../src/core/Vector3.js"></script>
<script type="text/javascript" src="../src/core/Vector4.js"></script>
<script type="text/javascript" src="../src/core/Ray.js"></script>
<script type="text/javascript" src="../src/core/Rectangle.js"></script>
<script type="text/javascript" src="../src/core/Math.js"></script>
<script type="text/javascript" src="../src/core/Matrix3.js"></script>
<script type="text/javascript" src="../src/core/Matrix4.js"></script>
<script type="text/javascript" src="../src/core/Object3D.js"></script>
<script type="text/javascript" src="../src/core/Projector.js"></script>
<script type="text/javascript" src="../src/core/Quaternion.js"></script>
<script type="text/javascript" src="../src/core/Vertex.js"></script>
<script type="text/javascript" src="../src/core/Face3.js"></script>
<script type="text/javascript" src="../src/core/Face4.js"></script>
<script type="text/javascript" src="../src/core/UV.js"></script>
<script type="text/javascript" src="../src/core/Geometry.js"></script>
<script type="text/javascript" src="../src/core/Spline.js"></script>
<script type="text/javascript" src="../src/core/Edge.js"></script>
<script type="text/javascript" src="../src/cameras/Camera.js"></script>
<script type="text/javascript" src="../src/cameras/OrthographicCamera.js"></script>
<script type="text/javascript" src="../src/cameras/PerspectiveCamera.js"></script>
<script type="text/javascript" src="../src/lights/Light.js"></script>
<script type="text/javascript" src="../src/lights/AmbientLight.js"></script>
<script type="text/javascript" src="../src/lights/DirectionalLight.js"></script>
<script type="text/javascript" src="../src/lights/PointLight.js"></script>
<script type="text/javascript" src="../src/lights/SpotLight.js"></script>
<script type="text/javascript" src="../src/materials/Material.js"></script>
<script type="text/javascript" src="../src/materials/LineBasicMaterial.js"></script>
<script type="text/javascript" src="../src/materials/MeshBasicMaterial.js"></script>
<script type="text/javascript" src="../src/materials/MeshLambertMaterial.js"></script>
<script type="text/javascript" src="../src/materials/MeshPhongMaterial.js"></script>
<script type="text/javascript" src="../src/materials/MeshDepthMaterial.js"></script>
<script type="text/javascript" src="../src/materials/MeshNormalMaterial.js"></script>
<script type="text/javascript" src="../src/materials/MeshFaceMaterial.js"></script>
<script type="text/javascript" src="../src/materials/MeshShaderMaterial.js"></script>
<script type="text/javascript" src="../src/materials/ParticleBasicMaterial.js"></script>
<script type="text/javascript" src="../src/materials/ParticleCanvasMaterial.js"></script>
<script type="text/javascript" src="../src/materials/ParticleDOMMaterial.js"></script>
<script type="text/javascript" src="../src/materials/ShaderMaterial.js"></script>
<script type="text/javascript" src="../src/textures/Texture.js"></script>
<script type="text/javascript" src="../src/textures/DataTexture.js"></script>
<script type="text/javascript" src="../src/objects/Particle.js"></script>
<script type="text/javascript" src="../src/objects/ParticleSystem.js"></script>
<script type="text/javascript" src="../src/objects/Line.js"></script>
<script type="text/javascript" src="../src/objects/Mesh.js"></script>
<script type="text/javascript" src="../src/objects/Bone.js"></script>
<script type="text/javascript" src="../src/objects/SkinnedMesh.js"></script>
<script type="text/javascript" src="../src/objects/MorphAnimMesh.js"></script>
<script type="text/javascript" src="../src/objects/Ribbon.js"></script>
<script type="text/javascript" src="../src/objects/LOD.js"></script>
<script type="text/javascript" src="../src/objects/Sprite.js"></script>
<script type="text/javascript" src="../src/scenes/Scene.js"></script>
<script type="text/javascript" src="../src/scenes/Fog.js"></script>
<script type="text/javascript" src="../src/scenes/FogExp2.js"></script>
<script type="text/javascript" src="../src/renderers/DOMRenderer.js"></script>
<script type="text/javascript" src="../src/renderers/CanvasRenderer.js"></script>
<script type="text/javascript" src="../src/renderers/SVGRenderer.js"></script>
<script type="text/javascript" src="../src/renderers/WebGLShaders.js"></script>
<script type="text/javascript" src="../src/renderers/WebGLRenderer.js"></script>
<script type="text/javascript" src="../src/renderers/WebGLRenderTarget.js"></script>
<script type="text/javascript" src="../src/renderers/WebGLRenderTargetCube.js"></script>
<script type="text/javascript" src="../src/renderers/renderables/RenderableVertex.js"></script>
<script type="text/javascript" src="../src/renderers/renderables/RenderableFace3.js"></script>
<script type="text/javascript" src="../src/renderers/renderables/RenderableFace4.js"></script>
<script type="text/javascript" src="../src/renderers/renderables/RenderableParticle.js"></script>
<script type="text/javascript" src="../src/renderers/renderables/RenderableLine.js"></script>
<script type="text/javascript" src="../src/extras/ColorUtils.js"></script>
<script type="text/javascript" src="../src/extras/GeometryUtils.js"></script>
<script type="text/javascript" src="../src/extras/ImageUtils.js"></script>
<script type="text/javascript" src="../src/extras/SceneUtils.js"></script>
<script type="text/javascript" src="../src/extras/ShaderUtils.js"></script>
<script type="text/javascript" src="../src/extras/core/Curve.js"></script>
<script type="text/javascript" src="../src/extras/core/CurvePath.js"></script>
<script type="text/javascript" src="../src/extras/core/Path.js"></script>
<script type="text/javascript" src="../src/extras/core/Shape.js"></script>
<script type="text/javascript" src="../src/extras/core/TextPath.js"></script>
<script type="text/javascript" src="../src/extras/animation/AnimationHandler.js"></script>
<script type="text/javascript" src="../src/extras/animation/Animation.js"></script>
<script type="text/javascript" src="../src/extras/cameras/CubeCamera.js"></script>
<script type="text/javascript" src="../src/extras/cameras/FirstPersonCamera.js"></script>
<script type="text/javascript" src="../src/extras/cameras/PathCamera.js"></script>
<script type="text/javascript" src="../src/extras/cameras/FlyCamera.js"></script>
<script type="text/javascript" src="../src/extras/cameras/RollCamera.js"></script>
<script type="text/javascript" src="../src/extras/cameras/TrackballCamera.js"></script>
<script type="text/javascript" src="../src/extras/cameras/CombinedCamera.js"></script>
<script type="text/javascript" src="../src/extras/controls/FirstPersonControls.js"></script>
<script type="text/javascript" src="../src/extras/controls/PathControls.js"></script>
<script type="text/javascript" src="../src/extras/controls/FlyControls.js"></script>
<script type="text/javascript" src="../src/extras/controls/RollControls.js"></script>
<script type="text/javascript" src="../src/extras/controls/TrackballControls.js"></script>
<script type="text/javascript" src="../src/extras/geometries/CubeGeometry.js"></script>
<script type="text/javascript" src="../src/extras/geometries/CylinderGeometry.js"></script>
<script type="text/javascript" src="../src/extras/geometries/ExtrudeGeometry.js"></script>
<script type="text/javascript" src="../src/extras/geometries/IcosahedronGeometry.js"></script>
<script type="text/javascript" src="../src/extras/geometries/LatheGeometry.js"></script>
<script type="text/javascript" src="../src/extras/geometries/OctahedronGeometry.js"></script>
<script type="text/javascript" src="../src/extras/geometries/PlaneGeometry.js"></script>
<script type="text/javascript" src="../src/extras/geometries/SphereGeometry.js"></script>
<script type="text/javascript" src="../src/extras/geometries/TextGeometry.js"></script>
<script type="text/javascript" src="../src/extras/geometries/TorusGeometry.js"></script>
<script type="text/javascript" src="../src/extras/geometries/TorusKnotGeometry.js"></script>
<script type="text/javascript" src="../src/extras/modifiers/SubdivisionModifier.js"></script>
<script type="text/javascript" src="../src/extras/loaders/Loader.js"></script>
<script type="text/javascript" src="../src/extras/loaders/BinaryLoader.js"></script>
<script type="text/javascript" src="../src/extras/loaders/ColladaLoader.js"></script>
<script type="text/javascript" src="../src/extras/loaders/JSONLoader.js"></script>
<script type="text/javascript" src="../src/extras/loaders/SceneLoader.js"></script>
<script type="text/javascript" src="../src/extras/loaders/UTF8Loader.js"></script>
<script type="text/javascript" src="../src/extras/objects/Axes.js"></script>
<script type="text/javascript" src="../src/extras/objects/MarchingCubes.js"></script>
<script type="text/javascript" src="../src/extras/physics/Collisions.js"></script>
<script type="text/javascript" src="../src/extras/physics/CollisionUtils.js"></script>
<script type="text/javascript" src="../src/extras/renderers/AnaglyphWebGLRenderer.js"></script>
<script type="text/javascript" src="../src/extras/renderers/CrosseyedWebGLRenderer.js"></script>
<script src="js/Detector.js"></script>
<script src="js/RequestAnimationFrame.js"></script>
<script src="js/Stats.js"></script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var camera, scene, renderer;
var geometry, objects;
var mouseX = 0, mouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 15000 );
camera.position.z = 1000;
scene = new THREE.Scene();
scene.fog = new THREE.Fog( 0x000000, 1, 15000 );
var light = new THREE.PointLight( 0xff2200 );
light.position.set( 0, 0, 0 );
scene.add( light );
var light = new THREE.DirectionalLight( 0xffffff );
light.position.set( 0, 0, 1 ).normalize();
scene.add( light );
var material = new THREE.MeshLambertMaterial( { color: 0xffffff, wireframe: true } );
var geometry = [
[ new THREE.SphereGeometry( 100, 64, 32 ), 300 ],
[ new THREE.SphereGeometry( 100, 32, 16 ), 1000 ],
[ new THREE.SphereGeometry( 100, 16, 8 ), 2000 ],
[ new THREE.SphereGeometry( 100, 8, 4 ), 10000 ]
];
var i, j, mesh, lod;
for ( j = 0; j < 1000; j ++ ) {
lod = new THREE.LOD( camera );
for ( i = 0; i < geometry.length; i++ ) {
mesh = new THREE.Mesh( geometry[ i ][ 0 ], material );
mesh.scale.set( 1.5, 1.5, 1.5 );
mesh.updateMatrix();
mesh.matrixAutoUpdate = false;
lod.addLevel( mesh, geometry[ i ][ 1 ] );
}
lod.position.x = 10000 * ( 0.5 - Math.random() );
lod.position.y = 7500 * ( 0.5 - Math.random() );
lod.position.z = 10000 * ( 0.5 - Math.random() );
lod.updateMatrix();
lod.matrixAutoUpdate = false;
scene.add( lod );
}
renderer = new THREE.WebGLRenderer( { clearColor: 0x000000, clearAlpha: 1 } );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.sortObjects = false;
container.appendChild( renderer.domElement );
}
function onDocumentMouseMove(event) {
mouseX = ( event.clientX - windowHalfX ) * 10;
mouseY = ( event.clientY - windowHalfY ) * 10;
}
function animate() {
requestAnimationFrame( animate );
render();
}
function render() {
camera.position.x += ( mouseX - camera.position.x ) * .005;
camera.position.y += ( - mouseY - camera.position.y ) * .01;
camera.lookAt( scene.position );
renderer.render( scene, camera );
}
</script>
</body>
</html>