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165 lines
3.5 KiB
165 lines
3.5 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - materials - modified</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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background:#000;
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color:#fff;
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padding:0;
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margin:0;
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font-weight: bold;
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overflow:hidden;
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}
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a { color: #ffffff; }
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#info {
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position: absolute;
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top: 0px; 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:1000;
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}
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#webglmessage {
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background:rgb(200,100,0) !important;
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color:#fff;
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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> wegbl - modified material.
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<a href="http://graphics.cs.williams.edu/data/meshes.xml#14" target="_blank" rel="noopener">Lee Perry-Smith</a> head.
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</div>
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<script src="../build/three.js"></script>
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<script src="js/controls/OrbitControls.js"></script>
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<script src="js/loaders/GLTFLoader.js"></script>
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<script src="js/WebGL.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<script>
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if ( WEBGL.isWebGLAvailable() === false ) {
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document.body.appendChild( WEBGL.getWebGLErrorMessage() );
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}
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var camera, scene, renderer, stats;
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var materialShader;
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init();
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animate();
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function init() {
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camera = new THREE.PerspectiveCamera( 27, window.innerWidth / window.innerHeight, 1, 10000 );
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camera.position.z = 1500;
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scene = new THREE.Scene();
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var material = new THREE.MeshNormalMaterial();
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material.onBeforeCompile = function ( shader ) {
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shader.uniforms.time = { value: 0 };
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shader.vertexShader = 'uniform float time;\n' + shader.vertexShader;
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shader.vertexShader = shader.vertexShader.replace(
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'#include <begin_vertex>',
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[
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'float theta = sin( time + position.y ) / 2.0;',
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'float c = cos( theta );',
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'float s = sin( theta );',
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'mat3 m = mat3( c, 0, s, 0, 1, 0, -s, 0, c );',
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'vec3 transformed = vec3( position ) * m;',
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'vNormal = vNormal * m;'
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].join( '\n' )
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);
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materialShader = shader;
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};
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var loader = new THREE.GLTFLoader();
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loader.load( 'models/gltf/LeePerrySmith/LeePerrySmith.glb', function ( gltf ) {
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var mesh = new THREE.Mesh( gltf.scene.children[ 0 ].geometry, material );
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mesh.position.y = - 50;
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mesh.scale.setScalar( 100 );
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scene.add( mesh );
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} );
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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document.body.appendChild( renderer.domElement );
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var controls = new THREE.OrbitControls( camera, renderer.domElement );
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//
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stats = new Stats();
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document.body.appendChild( stats.dom );
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// EVENTS
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window.addEventListener( 'resize', onWindowResize, false );
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}
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//
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function onWindowResize() {
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var width = window.innerWidth;
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var height = window.innerHeight;
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camera.aspect = width / height;
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camera.updateProjectionMatrix();
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renderer.setSize( width, height );
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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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if ( materialShader ) {
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materialShader.uniforms.time.value = performance.now() / 1000;
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}
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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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