232 lines
4.9 KiB
HTML
232 lines
4.9 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - node material</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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<link type="text/css" rel="stylesheet" href="main.css">
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<style>
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#waitScreen {
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color: #fff;
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position: absolute;
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top: 50%;
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left: 50%;
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margin-top: -50px;
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margin-left: -50px;
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width: 100px;
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height: 100px;
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}
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.hide {
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display:none;
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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="container"></div>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - Node-Based Material
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<br /><span class="button" id="preload">change preload</span>
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</div>
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<div id="waitScreen">
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Loading ...
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</div>
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<script type="module">
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import * as THREE from '../build/three.module.js';
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import { OrbitControls } from './jsm/controls/OrbitControls.js';
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import { TeapotGeometry } from './jsm/geometries/TeapotGeometry.js';
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import {
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NodeFrame,
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FloatNode,
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ColorNode,
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ConstNode,
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ExpressionNode,
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MathNode,
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OperatorNode,
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TimerNode,
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PhongNodeMaterial
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} from './jsm/nodes/Nodes.js';
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const container = document.getElementById( 'container' );
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let renderer, scene, camera;
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const clock = new THREE.Clock(), fov = 50;
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const frame = new NodeFrame();
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let teapot;
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let controls;
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const meshes = [];
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document.getElementById( "preload" ).addEventListener( 'click', function () {
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const hash = document.location.hash.substr( 1 );
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if ( hash.length === 0 ) {
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window.location.hash = "#NoPreLoad";
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} else {
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window.location.hash = "";
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}
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location.reload( true );
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} );
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window.addEventListener( 'load', init );
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function init() {
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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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container.appendChild( renderer.domElement );
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scene = new THREE.Scene();
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camera = new THREE.PerspectiveCamera( fov, window.innerWidth / window.innerHeight, 1, 1000 );
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camera.position.x = 0;
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camera.position.z = - 300;
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camera.position.y = 200;
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controls = new OrbitControls( camera, renderer.domElement );
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controls.minDistance = 50;
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controls.maxDistance = 400;
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scene.add( new THREE.AmbientLight( 0x464646 ) );
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const light1 = new THREE.DirectionalLight( 0xffddcc, 1 );
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light1.position.set( 1, 0.75, 0.5 );
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scene.add( light1 );
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const light2 = new THREE.DirectionalLight( 0xccccff, 1 );
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light2.position.set( - 1, 0.75, - 0.5 );
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scene.add( light2 );
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teapot = new TeapotGeometry( 15, 18 );
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const itemsonrow = 10;
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for ( let i = 0; i < itemsonrow * itemsonrow; i ++ ) {
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const mesh = new THREE.Mesh( teapot );
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mesh.position.x = 50 * ( i % itemsonrow ) - 50 * itemsonrow / 2;
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mesh.position.z = 50 * Math.floor( i / itemsonrow ) - 150;
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updateMaterial( mesh );
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scene.add( mesh );
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meshes.push( mesh );
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}
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window.addEventListener( 'resize', onWindowResize );
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const hash = document.location.hash.substr( 1 );
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if ( hash.length === 0 ) {
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renderer.compile( scene, camera );
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}
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document.getElementById( "waitScreen" ).className = "hide";
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setTimeout( function () {
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onWindowResize();
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animate();
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}, 1 );
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}
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function updateMaterial( mesh ) {
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if ( mesh.material ) mesh.material.dispose();
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const mtl = new PhongNodeMaterial();
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const time = new TimerNode();
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const speed = new FloatNode( Math.random() );
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const color = new ColorNode( Math.random() * 0xFFFFFF );
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const timeSpeed = new OperatorNode(
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time,
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speed,
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OperatorNode.MUL
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);
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const sinCycleInSecs = new OperatorNode(
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timeSpeed,
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new ConstNode( ConstNode.PI2 ),
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OperatorNode.MUL
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);
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const cycle = new MathNode( sinCycleInSecs, MathNode.SIN );
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const cycleColor = new OperatorNode(
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cycle,
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color,
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OperatorNode.MUL
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);
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const cos = new MathNode( cycleColor, MathNode.SIN );
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mtl.color = new ColorNode( 0 );
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mtl.emissive = cos;
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const transformer = new ExpressionNode( "position + 0.0 * " + Math.random(), "vec3", [ ] );
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mtl.transform = transformer;
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// build shader ( ignore auto build )
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mtl.build();
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// set material
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mesh.material = mtl;
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}
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function onWindowResize() {
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const width = window.innerWidth, 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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function animate() {
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const delta = clock.getDelta();
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frame.update( delta );
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for ( let i = 0; i < meshes.length; i ++ ) {
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const mesh = meshes[ i ];
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frame.updateNode( mesh.material );
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}
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renderer.render( scene, camera );
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requestAnimationFrame( animate );
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}
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</script>
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</body>
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</html>
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