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<title>three.js - WebGPU - Sandbox</title>
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> WebGPU - Sandbox
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
<script type="importmap">
{
"imports": {
"three": "../build/three.module.js",
"three/addons/": "./jsm/",
"three/nodes": "./jsm/nodes/Nodes.js"
}
}
</script>
<script type="module">
import * as THREE from 'three';
import * as Nodes from 'three/nodes';
import { DDSLoader } from 'three/addons/loaders/DDSLoader.js';
import WebGPU from 'three/addons/capabilities/WebGPU.js';
import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js';
let camera, scene, renderer;
let box;
init();
function init() {
if ( WebGPU.isAvailable() === false ) {
document.body.appendChild( WebGPU.getErrorMessage() );
throw new Error( 'No WebGPU support' );
}
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.1, 10 );
camera.position.z = 4;
scene = new THREE.Scene();
scene.background = new THREE.Color( 0x222222 );
// textures
const textureLoader = new THREE.TextureLoader();
const texture = textureLoader.load( './textures/uv_grid_opengl.jpg' );
texture.wrapS = THREE.RepeatWrapping;
texture.wrapT = THREE.RepeatWrapping;
texture.name = 'uv_grid';
const textureDisplace = textureLoader.load( './textures/transition/transition1.png' );
textureDisplace.wrapS = THREE.RepeatWrapping;
textureDisplace.wrapT = THREE.RepeatWrapping;
// compressed texture
const ddsLoader = new DDSLoader();
const dxt5Texture = ddsLoader.load( './textures/compressed/explosion_dxt5_mip.dds' );
// box mesh
const geometryBox = new THREE.BoxGeometry();
const materialBox = new Nodes.MeshBasicNodeMaterial();
const timerNode = new Nodes.TimerNode();
// birection speed
const timerScaleNode = new Nodes.OperatorNode( '*', timerNode, new Nodes.ConstNode( new THREE.Vector2( - 0.5, 0.1 ) ) );
const animateUV = new Nodes.OperatorNode( '+', new Nodes.UVNode(), timerScaleNode );
const textureNode = new Nodes.TextureNode( texture, animateUV );
materialBox.colorNode = new Nodes.MathNode( 'mix', textureNode, new Nodes.CheckerNode( animateUV ), new Nodes.UniformNode( .5 ) );
// test uv 2
//geometryBox.setAttribute( 'uv2', geometryBox.getAttribute( 'uv' ) );
//materialBox.colorNode = new TextureNode( texture, new UVNode( 1 ) );
box = new THREE.Mesh( geometryBox, materialBox );
box.position.set( 0, 1, 0 );
scene.add( box );
// displace example
const geometrySphere = new THREE.SphereGeometry( .5, 64, 64 );
const materialSphere = new Nodes.MeshBasicNodeMaterial();
const displaceAnimated = new Nodes.SplitNode( new Nodes.TextureNode( textureDisplace ), 'x' );
const displaceY = new Nodes.OperatorNode( '*', displaceAnimated, new Nodes.ConstNode( .25 ) );
const displace = new Nodes.OperatorNode( '*', new Nodes.NormalNode( Nodes.NormalNode.LOCAL ), displaceY );
materialSphere.colorNode = displaceY;
materialSphere.positionNode = new Nodes.OperatorNode( '+', new Nodes.PositionNode( Nodes.PositionNode.LOCAL ), displace );
const sphere = new THREE.Mesh( geometrySphere, materialSphere );
sphere.position.set( - 2, - 1, 0 );
scene.add( sphere );
// data texture
const geometryPlane = new THREE.PlaneGeometry();
const materialPlane = new Nodes.MeshBasicNodeMaterial();
materialPlane.colorNode = new Nodes.OperatorNode( '+', new Nodes.TextureNode( createDataTexture() ), new Nodes.UniformNode( new THREE.Color( 0x0000FF ) ) );
materialPlane.opacityNode = new Nodes.SplitNode( new Nodes.TextureNode( dxt5Texture ), 'a' );
materialPlane.transparent = true;
const plane = new THREE.Mesh( geometryPlane, materialPlane );
plane.position.set( 0, - 1, 0 );
scene.add( plane );
// compressed texture
const materialCompressed = new Nodes.MeshBasicNodeMaterial();
materialCompressed.colorNode = new Nodes.TextureNode( dxt5Texture );
materialCompressed.emissiveNode = new Nodes.UniformNode( new THREE.Color( 0x663300 ) );
materialCompressed.alphaTestNode = new Nodes.OscNode();
materialCompressed.transparent = true;
const boxCompressed = new THREE.Mesh( geometryBox, materialCompressed );
boxCompressed.position.set( - 2, 1, 0 );
scene.add( boxCompressed );
// points
const points = [];
for ( let i = 0; i < 1000; i ++ ) {
const point = new THREE.Vector3().random().subScalar( 0.5 );
points.push( point );
}
const geometryPoints = new THREE.BufferGeometry().setFromPoints( points );
const materialPoints = new Nodes.PointsNodeMaterial();
materialPoints.colorNode = new Nodes.OperatorNode( '*', new Nodes.PositionNode(), new Nodes.ConstNode( 3 ) );
const pointCloud = new THREE.Points( geometryPoints, materialPoints );
pointCloud.position.set( 2, - 1, 0 );
scene.add( pointCloud );
// lines
const geometryLine = new THREE.BufferGeometry().setFromPoints( [
new THREE.Vector3( - 0.5, - 0.5, 0 ),
new THREE.Vector3( 0.5, - 0.5, 0 ),
new THREE.Vector3( 0.5, 0.5, 0 ),
new THREE.Vector3( - 0.5, 0.5, 0 )
] );
geometryLine.setAttribute( 'color', geometryLine.getAttribute( 'position' ) );
const materialLine = new Nodes.LineBasicNodeMaterial();
materialLine.colorNode = new Nodes.AttributeNode( 'color' );
const line = new THREE.Line( geometryLine, materialLine );
line.position.set( 2, 1, 0 );
scene.add( line );
//
renderer = new WebGPURenderer( { requiredFeatures: [ 'texture-compression-bc' ] } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.setAnimationLoop( animate );
document.body.appendChild( renderer.domElement );
window.addEventListener( 'resize', onWindowResize );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
box.rotation.x += 0.01;
box.rotation.y += 0.02;
renderer.render( scene, camera );
}
function createDataTexture() {
const color = new THREE.Color( 0xff0000 );
const width = 512;
const height = 512;
const size = width * height;
const data = new Uint8Array( 4 * size );
const r = Math.floor( color.r * 255 );
const g = Math.floor( color.g * 255 );
const b = Math.floor( color.b * 255 );
for ( let i = 0; i < size; i ++ ) {
const stride = i * 4;
data[ stride ] = r;
data[ stride + 1 ] = g;
data[ stride + 2 ] = b;
data[ stride + 3 ] = 255;
}
const texture = new THREE.DataTexture( data, width, height, THREE.RGBAFormat );
texture.needsUpdate = true;
return texture;
}
</script>
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