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.
221 lines
6.0 KiB
HTML
221 lines
6.0 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<title>three.js webgpu - shadow map</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 - webgpu shadow map
|
|
</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 { mx_fractal_noise_vec3, positionWorld, vec4, Fn, color, vertexIndex, hash } from 'three/tsl';
|
|
|
|
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
|
|
|
|
let camera, scene, renderer, clock;
|
|
let dirLight, spotLight;
|
|
let torusKnot, dirGroup;
|
|
|
|
init();
|
|
|
|
function init() {
|
|
|
|
camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 1000 );
|
|
camera.position.set( 0, 10, 20 );
|
|
|
|
scene = new THREE.Scene();
|
|
scene.backgroundNode = color( 0x222244 );
|
|
scene.fog = new THREE.Fog( 0x222244, 50, 100 );
|
|
|
|
// lights
|
|
|
|
scene.add( new THREE.AmbientLight( 0x444444, 2 ) );
|
|
|
|
spotLight = new THREE.SpotLight( 0xff8888, 400 );
|
|
spotLight.angle = Math.PI / 5;
|
|
spotLight.penumbra = 0.3;
|
|
spotLight.position.set( 8, 10, 5 );
|
|
spotLight.castShadow = true;
|
|
spotLight.shadow.camera.near = 8;
|
|
spotLight.shadow.camera.far = 200;
|
|
spotLight.shadow.mapSize.width = 2048;
|
|
spotLight.shadow.mapSize.height = 2048;
|
|
spotLight.shadow.bias = - 0.002;
|
|
spotLight.shadow.radius = 4;
|
|
scene.add( spotLight );
|
|
|
|
|
|
dirLight = new THREE.DirectionalLight( 0x8888ff, 3 );
|
|
dirLight.position.set( 3, 12, 17 );
|
|
dirLight.castShadow = true;
|
|
dirLight.shadow.camera.near = 0.1;
|
|
dirLight.shadow.camera.far = 500;
|
|
dirLight.shadow.camera.right = 17;
|
|
dirLight.shadow.camera.left = - 17;
|
|
dirLight.shadow.camera.top = 17;
|
|
dirLight.shadow.camera.bottom = - 17;
|
|
dirLight.shadow.mapSize.width = 2048;
|
|
dirLight.shadow.mapSize.height = 2048;
|
|
dirLight.shadow.radius = 4;
|
|
dirLight.shadow.bias = - 0.0005;
|
|
|
|
dirGroup = new THREE.Group();
|
|
dirGroup.add( dirLight );
|
|
scene.add( dirGroup );
|
|
|
|
// geometry
|
|
|
|
const geometry = new THREE.TorusKnotGeometry( 25, 8, 75, 80 );
|
|
const material = new THREE.MeshPhongNodeMaterial( {
|
|
color: 0x999999,
|
|
shininess: 0,
|
|
specular: 0x222222
|
|
} );
|
|
|
|
const materialCustomShadow = material.clone();
|
|
materialCustomShadow.transparent = true;
|
|
|
|
const materialColor = vec4( 1, 0, 1, .5 );
|
|
|
|
const discardNode = hash( vertexIndex ).greaterThan( 0.5 );
|
|
|
|
materialCustomShadow.colorNode = Fn( () => {
|
|
|
|
discardNode.discard();
|
|
|
|
return materialColor;
|
|
|
|
} )();
|
|
|
|
|
|
materialCustomShadow.castShadowNode = Fn( () => {
|
|
|
|
discardNode.discard();
|
|
|
|
return materialColor;
|
|
|
|
} )();
|
|
|
|
torusKnot = new THREE.Mesh( geometry, materialCustomShadow );
|
|
torusKnot.scale.multiplyScalar( 1 / 18 );
|
|
torusKnot.position.y = 3;
|
|
torusKnot.castShadow = true;
|
|
torusKnot.receiveShadow = true;
|
|
scene.add( torusKnot );
|
|
|
|
const cylinderGeometry = new THREE.CylinderGeometry( 0.75, 0.75, 7, 32 );
|
|
|
|
const pillar1 = new THREE.Mesh( cylinderGeometry, material );
|
|
pillar1.position.set( 8, 3.5, 8 );
|
|
pillar1.castShadow = true;
|
|
|
|
const pillar2 = pillar1.clone();
|
|
pillar2.position.set( 8, 3.5, - 8 );
|
|
const pillar3 = pillar1.clone();
|
|
pillar3.position.set( - 8, 3.5, 8 );
|
|
const pillar4 = pillar1.clone();
|
|
pillar4.position.set( - 8, 3.5, - 8 );
|
|
|
|
scene.add( pillar1 );
|
|
scene.add( pillar2 );
|
|
scene.add( pillar3 );
|
|
scene.add( pillar4 );
|
|
|
|
const planeGeometry = new THREE.PlaneGeometry( 200, 200 );
|
|
|
|
const planeMaterial = new THREE.MeshPhongNodeMaterial();
|
|
planeMaterial.color.setHex( 0x999999 );
|
|
planeMaterial.shininess = 0;
|
|
planeMaterial.specular.setHex( 0x111111 );
|
|
|
|
planeMaterial.receivedShadowPositionNode = Fn( () => {
|
|
|
|
const pos = positionWorld.toVar();
|
|
pos.xz.addAssign( mx_fractal_noise_vec3( positionWorld.mul( 2 ) ).saturate().xz );
|
|
return pos;
|
|
|
|
} )();
|
|
|
|
planeMaterial.colorNode = Fn( () => {
|
|
|
|
const pos = positionWorld.toVar();
|
|
pos.xz.addAssign( mx_fractal_noise_vec3( positionWorld.mul( 2 ) ).saturate().xz );
|
|
return mx_fractal_noise_vec3( positionWorld.mul( 2 ) ).saturate().zzz.mul( 0.2 ).add( .5 );
|
|
|
|
} )();
|
|
|
|
const ground = new THREE.Mesh( planeGeometry, planeMaterial );
|
|
ground.rotation.x = - Math.PI / 2;
|
|
ground.scale.multiplyScalar( 3 );
|
|
ground.castShadow = true;
|
|
ground.receiveShadow = true;
|
|
scene.add( ground );
|
|
|
|
// renderer
|
|
|
|
renderer = new THREE.WebGPURenderer( { antialias: true } );
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
|
renderer.setAnimationLoop( animate );
|
|
renderer.shadowMap.enabled = true;
|
|
renderer.toneMapping = THREE.ACESFilmicToneMapping;
|
|
document.body.appendChild( renderer.domElement );
|
|
|
|
// Mouse control
|
|
const controls = new OrbitControls( camera, renderer.domElement );
|
|
controls.target.set( 0, 2, 0 );
|
|
controls.minDistance = 7;
|
|
controls.maxDistance = 40;
|
|
controls.update();
|
|
|
|
clock = new THREE.Clock();
|
|
|
|
window.addEventListener( 'resize', resize );
|
|
|
|
}
|
|
|
|
function resize() {
|
|
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
|
camera.updateProjectionMatrix();
|
|
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
|
}
|
|
|
|
function animate( time ) {
|
|
|
|
const delta = clock.getDelta();
|
|
|
|
torusKnot.rotation.x += 0.25 * delta;
|
|
torusKnot.rotation.y += 0.5 * delta;
|
|
torusKnot.rotation.z += 1 * delta;
|
|
|
|
dirGroup.rotation.y += 0.7 * delta;
|
|
dirLight.position.z = 17 + Math.sin( time * 0.001 ) * 5;
|
|
|
|
renderer.render( scene, camera );
|
|
|
|
}
|
|
|
|
</script>
|
|
</body>
|
|
</html>
|