You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
149 lines
4.0 KiB
149 lines
4.0 KiB
3 years ago
|
<!DOCTYPE html>
|
||
|
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<title>three.js webgl - shaders - sky sun shader</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> webgl - sky + sun shader
|
||
|
|
</div>
|
||
|
|
|
||
|
|
<!-- Import maps polyfill -->
|
||
|
|
<!-- Remove this when import maps will be widely supported -->
|
||
|
|
<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/"
|
||
|
|
}
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<script type="module">
|
||
|
|
|
||
|
|
import * as THREE from 'three';
|
||
|
|
|
||
|
|
import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
|
||
|
|
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
|
||
|
|
import { Sky } from 'three/addons/objects/Sky.js';
|
||
|
|
|
||
|
|
let camera, scene, renderer;
|
||
|
|
|
||
|
|
let sky, sun;
|
||
|
|
|
||
|
|
init();
|
||
|
|
render();
|
||
|
|
|
||
|
|
function initSky() {
|
||
|
|
|
||
|
|
// Add Sky
|
||
|
|
sky = new Sky();
|
||
|
|
sky.scale.setScalar( 450000 );
|
||
|
|
scene.add( sky );
|
||
|
|
|
||
|
|
sun = new THREE.Vector3();
|
||
|
|
|
||
|
|
/// GUI
|
||
|
|
|
||
|
|
const effectController = {
|
||
|
|
turbidity: 10,
|
||
|
|
rayleigh: 3,
|
||
|
|
mieCoefficient: 0.005,
|
||
|
|
mieDirectionalG: 0.7,
|
||
|
|
elevation: 2,
|
||
|
|
azimuth: 180,
|
||
|
|
exposure: renderer.toneMappingExposure
|
||
|
|
};
|
||
|
|
|
||
|
|
function guiChanged() {
|
||
|
|
|
||
|
|
const uniforms = sky.material.uniforms;
|
||
|
|
uniforms[ 'turbidity' ].value = effectController.turbidity;
|
||
|
|
uniforms[ 'rayleigh' ].value = effectController.rayleigh;
|
||
|
|
uniforms[ 'mieCoefficient' ].value = effectController.mieCoefficient;
|
||
|
|
uniforms[ 'mieDirectionalG' ].value = effectController.mieDirectionalG;
|
||
|
|
|
||
|
|
const phi = THREE.MathUtils.degToRad( 90 - effectController.elevation );
|
||
|
|
const theta = THREE.MathUtils.degToRad( effectController.azimuth );
|
||
|
|
|
||
|
|
sun.setFromSphericalCoords( 1, phi, theta );
|
||
|
|
|
||
|
|
uniforms[ 'sunPosition' ].value.copy( sun );
|
||
|
|
|
||
|
|
renderer.toneMappingExposure = effectController.exposure;
|
||
|
|
renderer.render( scene, camera );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
const gui = new GUI();
|
||
|
|
|
||
|
|
gui.add( effectController, 'turbidity', 0.0, 20.0, 0.1 ).onChange( guiChanged );
|
||
|
|
gui.add( effectController, 'rayleigh', 0.0, 4, 0.001 ).onChange( guiChanged );
|
||
|
|
gui.add( effectController, 'mieCoefficient', 0.0, 0.1, 0.001 ).onChange( guiChanged );
|
||
|
|
gui.add( effectController, 'mieDirectionalG', 0.0, 1, 0.001 ).onChange( guiChanged );
|
||
|
|
gui.add( effectController, 'elevation', 0, 90, 0.1 ).onChange( guiChanged );
|
||
|
|
gui.add( effectController, 'azimuth', - 180, 180, 0.1 ).onChange( guiChanged );
|
||
|
|
gui.add( effectController, 'exposure', 0, 1, 0.0001 ).onChange( guiChanged );
|
||
|
|
|
||
|
|
guiChanged();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function init() {
|
||
|
|
|
||
|
|
camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 100, 2000000 );
|
||
|
|
camera.position.set( 0, 100, 2000 );
|
||
|
|
|
||
|
|
scene = new THREE.Scene();
|
||
|
|
|
||
|
|
const helper = new THREE.GridHelper( 10000, 2, 0xffffff, 0xffffff );
|
||
|
|
scene.add( helper );
|
||
|
|
|
||
|
|
renderer = new THREE.WebGLRenderer();
|
||
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
renderer.outputEncoding = THREE.sRGBEncoding;
|
||
|
|
renderer.toneMapping = THREE.ACESFilmicToneMapping;
|
||
|
|
renderer.toneMappingExposure = 0.5;
|
||
|
|
document.body.appendChild( renderer.domElement );
|
||
|
|
|
||
|
|
const controls = new OrbitControls( camera, renderer.domElement );
|
||
|
|
controls.addEventListener( 'change', render );
|
||
|
|
//controls.maxPolarAngle = Math.PI / 2;
|
||
|
|
controls.enableZoom = false;
|
||
|
|
controls.enablePan = false;
|
||
|
|
|
||
|
|
initSky();
|
||
|
|
|
||
|
|
window.addEventListener( 'resize', onWindowResize );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onWindowResize() {
|
||
|
|
|
||
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
||
|
|
camera.updateProjectionMatrix();
|
||
|
|
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
|
||
|
|
render();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function render() {
|
||
|
|
|
||
|
|
renderer.render( scene, camera );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
</script>
|
||
|
|
|
||
|
|
</body>
|
||
|
|
|
||
|
|
</html>
|