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apt-nl-map/static/Magic4/js/three.js-dev/examples/webgl_loader_nodes.html
2024-12-04 10:21:04 +08:00

210 lines
4.7 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - node material</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<link type="text/css" rel="stylesheet" href="main.css">
</head>
<body>
<div id="container"></div>
<div id="info">
<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - Node-Based Material<br />
Serialized using <a href="webgl_materials_nodes.html">webgl_materials_nodes.html</a>
</div>
<script type="module">
import * as THREE from '../build/three.module.js';
import { GUI } from './jsm/libs/dat.gui.module.js';
import { OrbitControls } from './jsm/controls/OrbitControls.js';
import { NodeMaterialLoader } from './jsm/loaders/NodeMaterialLoader.js';
import { TeapotGeometry } from './jsm/geometries/TeapotGeometry.js';
import { NodeFrame } from './jsm/nodes/core/NodeFrame.js';
import { NodeMaterial } from './jsm/nodes/materials/NodeMaterial.js';
const container = document.getElementById( 'container' );
let renderer, scene, camera;
const clock = new THREE.Clock(), fov = 50;
const frame = new NodeFrame();
let teapot, mesh, cloud;
let controls;
let gui;
const param = { load: 'caustic' };
window.addEventListener( 'load', init );
function init() {
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera( fov, window.innerWidth / window.innerHeight, 1, 1000 );
camera.position.x = 50;
camera.position.z = - 50;
camera.position.y = 30;
cloud = new THREE.TextureLoader().load( 'textures/lava/cloud.png' );
cloud.wrapS = cloud.wrapT = THREE.RepeatWrapping;
controls = new OrbitControls( camera, renderer.domElement );
controls.minDistance = 50;
controls.maxDistance = 200;
scene.add( new THREE.AmbientLight( 0x464646 ) );
const light1 = new THREE.DirectionalLight( 0xffddcc, 1 );
light1.position.set( 1, 0.75, 0.5 );
scene.add( light1 );
const light2 = new THREE.DirectionalLight( 0xccccff, 1 );
light2.position.set( - 1, 0.75, - 0.5 );
scene.add( light2 );
teapot = new TeapotGeometry( 15, 18 );
mesh = new THREE.Mesh( teapot );
scene.add( mesh );
window.addEventListener( 'resize', onWindowResize );
updateMaterial();
onWindowResize();
animate();
}
function clearGui() {
if ( gui ) gui.destroy();
gui = new GUI();
gui.add( param, 'load', {
'caustic': 'caustic',
'displace': 'displace',
'wave': 'wave',
'xray': 'xray'
} ).onFinishChange( function () {
updateMaterial();
} );
gui.open();
}
function addGui( name, value, callback, isColor, min, max ) {
let node;
param[ name ] = value;
if ( isColor ) {
node = gui.addColor( param, name ).onChange( function () {
callback( param[ name ] );
} );
} else if ( typeof value == 'object' ) {
node = gui.add( param, name, value ).onChange( function () {
callback( param[ name ] );
} );
} else {
node = gui.add( param, name, min, max ).onChange( function () {
callback( param[ name ] );
} );
}
return node;
}
function updateMaterial() {
if ( mesh.material ) mesh.material.dispose();
clearGui();
const url = "nodes/" + param.load + ".json";
const library = {
"cloud": cloud
};
const loader = new NodeMaterialLoader( undefined, library ).load( url, function () {
const time = loader.getObjectByName( "time" );
if ( time ) {
// enable time scale
time.timeScale = true;
// gui
addGui( 'timeScale', time.scale, function ( val ) {
time.scale = val;
}, false, - 2, 2 );
}
// set material
mesh.material = loader.material;
} );
}
function onWindowResize() {
const width = window.innerWidth, height = window.innerHeight;
camera.aspect = width / height;
camera.updateProjectionMatrix();
renderer.setSize( width, height );
}
function animate() {
const delta = clock.getDelta();
// update material animation and/or gpu calcs (pre-renderer)
if ( mesh.material instanceof NodeMaterial ) frame.update( delta ).updateNode( mesh.material );
renderer.render( scene, camera );
requestAnimationFrame( animate );
}
</script>
</body>
</html>