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216 lines
5.6 KiB
216 lines
5.6 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js - software renderer</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<style>
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body {
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font-family: Monospace;
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margin: 0px;
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overflow: hidden;
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}
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a {
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color:#0078ff;
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}
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#info {
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position: absolute;
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top: 10px; width: 100%;
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color: #ffffff;
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padding: 5px;
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font-family: Monospace;
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font-size: 13px;
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text-align: center;
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z-index:100;
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}
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</style>
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</head>
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<body>
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<div id="info">
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<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - software renderer<br />
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drag to change the point of view
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</div>
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<script src="../build/three.js"></script>
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<script src="js/geometries/hilbert3D.js"></script>
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<script src="js/controls/TrackballControls.js"></script>
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<script src="js/renderers/Projector.js"></script>
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<script src="js/renderers/SoftwareRenderer.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<script>
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var camera, controls, scene, renderer, stats;
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var torus, cube, texCube;
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var start = Date.now();
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init();
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animate();
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function init() {
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var container = document.createElement( 'div' );
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document.body.appendChild( container );
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camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 2000 );
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camera.position.z = 600;
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controls = new THREE.TrackballControls( camera );
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scene = new THREE.Scene();
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// Torus
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var torusGeometry = new THREE.TorusKnotBufferGeometry( 150, 10 );
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torusGeometry = torusGeometry.toNonIndexed();
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var colors = [];
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var color = new THREE.Color();
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for ( var i = 0; i < torusGeometry.attributes.position.count; i ++ ) {
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color.setHex( Math.random() * 0xffffff );
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colors.push( color.r, color.g, color.b );
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}
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torusGeometry.addAttribute( 'color', new THREE.Float32BufferAttribute( colors, 3 ) );
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torus = new THREE.Mesh( torusGeometry, new THREE.MeshBasicMaterial( { color: 0x0000ff, vertexColors: THREE.VertexColors } ) );
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scene.add( torus );
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// Cube
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var boxGeometry = new THREE.BoxBufferGeometry( 200, 200, 200 );
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boxGeometry = boxGeometry.toNonIndexed();
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colors = [];
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for ( var i = 0; i < boxGeometry.attributes.position.count; i ++ ) {
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color.setHex( Math.random() * 0xffffff );
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colors.push( color.r, color.g, color.b );
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}
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boxGeometry.addAttribute( 'color', new THREE.Float32BufferAttribute( colors, 3 ) );
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cube = new THREE.Mesh( boxGeometry, new THREE.MeshBasicMaterial( { color: 0x00ff00, vertexColors: THREE.VertexColors } ) );
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scene.position.set( 100, 0, 0 );
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scene.add( cube );
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// Cube with texture
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var loader = new THREE.TextureLoader();
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var map = loader.load( 'textures/brick_diffuse.jpg' );
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texCube = new THREE.Mesh( boxGeometry, new THREE.MeshLambertMaterial( { map: map } ) );
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texCube.position.set( - 300, 0, 0 );
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scene.add( texCube );
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// Sprite
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var sprite = new THREE.Sprite( new THREE.SpriteMaterial( { color: 0xff0040 } ) );
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sprite.scale.set( 100, 100, 1 );
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sprite.position.set( - 100, 200, 0 );
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scene.add( sprite );
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// Sprite with texture
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var texLoader = new THREE.TextureLoader();
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map = texLoader.load( 'textures/sprite1.png' );
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var texSprite = new THREE.Sprite( new THREE.SpriteMaterial( { map: map, transparent: true } ) );
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texSprite.scale.set( 100, 100, 1 );
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texSprite.position.set( 100, 200, 0 );
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scene.add( texSprite );
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// Line
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var hilbertPoints = hilbert3D( new THREE.Vector3( 0, 0, 0 ), 200.0, 1, 0, 1, 2, 3, 4, 5, 6, 7 );
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var lineGeometry = new THREE.BufferGeometry();
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var subdivisions = 6;
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var vertices = [];
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colors = [];
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var point = new THREE.Vector3();
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color.setHex( 0x88aaff );
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var spline = new THREE.CatmullRomCurve3( hilbertPoints );
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for ( var i = 0; i < hilbertPoints.length * subdivisions; i ++ ) {
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var t = i / ( hilbertPoints.length * subdivisions );
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spline.getPoint( t, point );
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vertices.push( point.x, point.y, point.z );
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colors.push( color.r, color.g, color.b );
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}
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lineGeometry.addAttribute( 'position', new THREE.Float32BufferAttribute( vertices, 3 ) );
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lineGeometry.addAttribute( 'color', new THREE.Float32BufferAttribute( colors, 3 ) );
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var material = new THREE.LineBasicMaterial( { opacity: 1, linewidth: 3, vertexColors: THREE.VertexColors } );
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var line = new THREE.Line( lineGeometry, material );
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line.scale.set( 0.5, 0.5, 0.5 );
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line.position.set( 0, - 200, 0 );
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scene.add( line );
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//
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renderer = new THREE.SoftwareRenderer();
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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stats = new Stats();
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container.appendChild( stats.dom );
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//
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window.addEventListener( 'resize', onWindowResize, false );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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//
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function animate() {
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requestAnimationFrame( animate );
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render();
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stats.update();
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}
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function render() {
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var timer = Date.now() - start;
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torus.position.y = Math.sin( timer * 0.002 ) * 150;
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torus.rotation.x = timer * 0.0003;
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torus.rotation.z = timer * 0.0002;
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cube.rotation.x = timer * 0.0002;
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cube.rotation.z = timer * 0.0003;
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texCube.rotation.x = timer * 0.0002;
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texCube.rotation.z = timer * 0.0003;
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controls.update();
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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