You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
176 lines
4.3 KiB
HTML
176 lines
4.3 KiB
HTML
2 months ago
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<title>three.js webgpu - multisampled renderbuffers</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="info">
|
||
|
|
<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgpu - multisampled renderbuffers
|
||
|
|
</div>
|
||
|
|
|
||
|
|
<script type="importmap">
|
||
|
|
{
|
||
|
|
"imports": {
|
||
|
|
"three": "../build/three.webgpu.js",
|
||
|
|
"three/webgpu": "../build/three.webgpu.js",
|
||
|
|
"three/tsl": "../build/three.tsl.js",
|
||
|
|
"three/addons/": "./jsm/"
|
||
|
|
}
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<script type="module">
|
||
|
|
|
||
|
|
import * as THREE from 'three';
|
||
|
|
import { texture } from 'three/tsl';
|
||
|
|
|
||
|
|
import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
|
||
|
|
|
||
|
|
let camera, scene, renderer;
|
||
|
|
const mouse = new THREE.Vector2();
|
||
|
|
|
||
|
|
let quadMesh, renderTarget;
|
||
|
|
|
||
|
|
let box, box2;
|
||
|
|
|
||
|
|
const dpr = 1;
|
||
|
|
|
||
|
|
const params = {
|
||
|
|
animated: true,
|
||
|
|
samples: 4
|
||
|
|
};
|
||
|
|
|
||
|
|
const mat4 = new THREE.Matrix4();
|
||
|
|
|
||
|
|
const count = 50;
|
||
|
|
const fullRadius = 20; // Radius of the sphere
|
||
|
|
const halfRadius = 10; // Radius of the sphere
|
||
|
|
const positions = new Array( count ).fill().map( ( _, i ) => {
|
||
|
|
|
||
|
|
const radius = ( i % 2 === 0 ) ? fullRadius : halfRadius;
|
||
|
|
|
||
|
|
const phi = Math.acos( 2 * Math.random() - 1 ) - Math.PI / 2; // phi: latitude, range -π/2 to π/2
|
||
|
|
const theta = 2 * Math.PI * Math.random(); // theta: longitude, range 0 to 2π
|
||
|
|
|
||
|
|
return new THREE.Vector3(
|
||
|
|
radius * Math.cos( phi ) * Math.cos( theta ), // x
|
||
|
|
radius * Math.sin( phi ), // y
|
||
|
|
radius * Math.cos( phi ) * Math.sin( theta ) // z
|
||
|
|
);
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
|
||
|
|
initGUI();
|
||
|
|
init();
|
||
|
|
|
||
|
|
function initGUI() {
|
||
|
|
|
||
|
|
const gui = new GUI();
|
||
|
|
gui.add( params, 'samples', 0, 4 ).step( 1 );
|
||
|
|
gui.add( params, 'animated' );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function init() {
|
||
|
|
|
||
|
|
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.1, 50 );
|
||
|
|
camera.position.z = 3;
|
||
|
|
|
||
|
|
scene = new THREE.Scene();
|
||
|
|
scene.background = new THREE.Color( 0x111111 );
|
||
|
|
|
||
|
|
// textured mesh
|
||
|
|
|
||
|
|
const geometryBox = new THREE.BoxGeometry( 7, 7, 7, 12, 12, 12 );
|
||
|
|
const materialBox = new THREE.MeshBasicNodeMaterial();
|
||
|
|
const materialBoxInner = new THREE.MeshBasicNodeMaterial( { color: 0xff0000 } );
|
||
|
|
|
||
|
|
materialBox.wireframe = true;
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
box = new THREE.InstancedMesh( geometryBox, materialBox, count );
|
||
|
|
box2 = new THREE.InstancedMesh( geometryBox, materialBoxInner, count );
|
||
|
|
|
||
|
|
for ( let i = 0; i < count; i ++ ) {
|
||
|
|
|
||
|
|
box.setMatrixAt( i, mat4.identity().setPosition( positions[ i ] ) );
|
||
|
|
box2.setMatrixAt( i, mat4.multiplyScalar( 0.996 ).setPosition( positions[ i ] ) );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
scene.add( box, box2 );
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
renderer = new THREE.WebGPURenderer( { antialias: true } );
|
||
|
|
renderer.setPixelRatio( dpr );
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
renderer.setAnimationLoop( animate );
|
||
|
|
document.body.appendChild( renderer.domElement );
|
||
|
|
|
||
|
|
renderTarget = new THREE.RenderTarget( window.innerWidth * dpr, window.innerHeight * dpr, {
|
||
|
|
samples: params.samples,
|
||
|
|
depthBuffer: true,
|
||
|
|
} );
|
||
|
|
|
||
|
|
window.addEventListener( 'mousemove', onWindowMouseMove );
|
||
|
|
window.addEventListener( 'resize', onWindowResize );
|
||
|
|
|
||
|
|
// FX
|
||
|
|
|
||
|
|
// modulate the final color based on the mouse position
|
||
|
|
|
||
|
|
const materialFX = new THREE.MeshBasicNodeMaterial();
|
||
|
|
materialFX.colorNode = texture( renderTarget.texture ).rgb;
|
||
|
|
|
||
|
|
quadMesh = new THREE.QuadMesh( materialFX );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onWindowMouseMove( e ) {
|
||
|
|
|
||
|
|
mouse.x = e.offsetX / window.innerWidth;
|
||
|
|
mouse.y = e.offsetY / window.innerHeight;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onWindowResize() {
|
||
|
|
|
||
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
||
|
|
camera.updateProjectionMatrix();
|
||
|
|
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
renderTarget.setSize( window.innerWidth * dpr, window.innerHeight * dpr );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function animate() {
|
||
|
|
|
||
|
|
if ( params.animated ) {
|
||
|
|
|
||
|
|
box.rotation.x += 0.001;
|
||
|
|
box.rotation.y += 0.002;
|
||
|
|
box2.rotation.x += 0.001;
|
||
|
|
box2.rotation.y += 0.002;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
renderTarget.samples = params.samples;
|
||
|
|
|
||
|
|
renderer.setRenderTarget( renderTarget );
|
||
|
|
renderer.render( scene, camera );
|
||
|
|
|
||
|
|
renderer.setRenderTarget( null );
|
||
|
|
quadMesh.render( renderer );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
</script>
|
||
|
|
</body>
|
||
|
|
</html>
|