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.
169 lines
4.1 KiB
169 lines
4.1 KiB
2 years ago
|
<!-- Licensed under a BSD license. See license.html for license -->
|
||
|
|
<!DOCTYPE html>
|
||
|
|
<html>
|
||
|
|
<head>
|
||
|
|
<meta charset="utf-8">
|
||
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
|
||
|
|
<title>Three.js - Fog w/GUI</title>
|
||
|
|
<style>
|
||
|
|
html, body {
|
||
|
|
height: 100%;
|
||
|
|
margin: 0;
|
||
|
|
}
|
||
|
|
#c {
|
||
|
|
width: 100%;
|
||
|
|
height: 100%;
|
||
|
|
display: block;
|
||
|
|
}
|
||
|
|
</style>
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
<canvas id="c"></canvas>
|
||
|
|
</body>
|
||
|
|
<!-- 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/": "../../examples/jsm/"
|
||
|
|
}
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<script type="module">
|
||
|
|
import * as THREE from 'three';
|
||
|
|
import {GUI} from 'three/addons/libs/lil-gui.module.min.js';
|
||
|
|
|
||
|
|
function main() {
|
||
|
|
const canvas = document.querySelector('#c');
|
||
|
|
const renderer = new THREE.WebGLRenderer({canvas});
|
||
|
|
const gui = new GUI();
|
||
|
|
|
||
|
|
const fov = 75;
|
||
|
|
const aspect = 2; // the canvas default
|
||
|
|
const near = 0.1;
|
||
|
|
const far = 5;
|
||
|
|
const camera = new THREE.PerspectiveCamera(fov, aspect, near, far);
|
||
|
|
camera.position.z = 2;
|
||
|
|
|
||
|
|
const scene = new THREE.Scene();
|
||
|
|
|
||
|
|
// We use this class to pass to lil-gui
|
||
|
|
// so when it manipulates near or far
|
||
|
|
// near is never > far and far is never < near
|
||
|
|
// Also when lil-gui maniplates color we'll
|
||
|
|
// update both the fog and background colors.
|
||
|
|
class FogGUIHelper {
|
||
|
|
constructor(fog, backgroundColor) {
|
||
|
|
this.fog = fog;
|
||
|
|
this.backgroundColor = backgroundColor;
|
||
|
|
}
|
||
|
|
get near() {
|
||
|
|
return this.fog.near;
|
||
|
|
}
|
||
|
|
set near(v) {
|
||
|
|
this.fog.near = v;
|
||
|
|
this.fog.far = Math.max(this.fog.far, v);
|
||
|
|
}
|
||
|
|
get far() {
|
||
|
|
return this.fog.far;
|
||
|
|
}
|
||
|
|
set far(v) {
|
||
|
|
this.fog.far = v;
|
||
|
|
this.fog.near = Math.min(this.fog.near, v);
|
||
|
|
}
|
||
|
|
get color() {
|
||
|
|
return `#${this.fog.color.getHexString()}`;
|
||
|
|
}
|
||
|
|
set color(hexString) {
|
||
|
|
this.fog.color.set(hexString);
|
||
|
|
this.backgroundColor.set(hexString);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
{
|
||
|
|
const near = 1;
|
||
|
|
const far = 2;
|
||
|
|
const color = 'lightblue';
|
||
|
|
scene.fog = new THREE.Fog(color, near, far);
|
||
|
|
scene.background = new THREE.Color(color);
|
||
|
|
|
||
|
|
const fogGUIHelper = new FogGUIHelper(scene.fog, scene.background);
|
||
|
|
gui.add(fogGUIHelper, 'near', near, far).listen();
|
||
|
|
gui.add(fogGUIHelper, 'far', near, far).listen();
|
||
|
|
gui.addColor(fogGUIHelper, 'color');
|
||
|
|
}
|
||
|
|
|
||
|
|
{
|
||
|
|
const color = 0xFFFFFF;
|
||
|
|
const intensity = 1;
|
||
|
|
const light = new THREE.DirectionalLight(color, intensity);
|
||
|
|
light.position.set(-1, 2, 4);
|
||
|
|
scene.add(light);
|
||
|
|
}
|
||
|
|
|
||
|
|
const boxWidth = 1;
|
||
|
|
const boxHeight = 1;
|
||
|
|
const boxDepth = 1;
|
||
|
|
const geometry = new THREE.BoxGeometry(boxWidth, boxHeight, boxDepth);
|
||
|
|
|
||
|
|
function makeInstance(geometry, color, x) {
|
||
|
|
const material = new THREE.MeshPhongMaterial({color});
|
||
|
|
|
||
|
|
const cube = new THREE.Mesh(geometry, material);
|
||
|
|
scene.add(cube);
|
||
|
|
|
||
|
|
cube.position.x = x;
|
||
|
|
|
||
|
|
return cube;
|
||
|
|
}
|
||
|
|
|
||
|
|
const cubes = [
|
||
|
|
makeInstance(geometry, 0x44aa88, 0),
|
||
|
|
makeInstance(geometry, 0x8844aa, -2),
|
||
|
|
makeInstance(geometry, 0xaa8844, 2),
|
||
|
|
];
|
||
|
|
|
||
|
|
function resizeRendererToDisplaySize(renderer) {
|
||
|
|
const canvas = renderer.domElement;
|
||
|
|
const width = canvas.clientWidth;
|
||
|
|
const height = canvas.clientHeight;
|
||
|
|
const needResize = canvas.width !== width || canvas.height !== height;
|
||
|
|
if (needResize) {
|
||
|
|
renderer.setSize(width, height, false);
|
||
|
|
}
|
||
|
|
return needResize;
|
||
|
|
}
|
||
|
|
|
||
|
|
function render(time) {
|
||
|
|
time *= 0.001;
|
||
|
|
|
||
|
|
if (resizeRendererToDisplaySize(renderer)) {
|
||
|
|
const canvas = renderer.domElement;
|
||
|
|
camera.aspect = canvas.clientWidth / canvas.clientHeight;
|
||
|
|
camera.updateProjectionMatrix();
|
||
|
|
}
|
||
|
|
|
||
|
|
cubes.forEach((cube, ndx) => {
|
||
|
|
const speed = 1 + ndx * .1;
|
||
|
|
const rot = time * speed;
|
||
|
|
cube.rotation.x = rot;
|
||
|
|
cube.rotation.y = rot;
|
||
|
|
});
|
||
|
|
|
||
|
|
renderer.render(scene, camera);
|
||
|
|
|
||
|
|
requestAnimationFrame(render);
|
||
|
|
}
|
||
|
|
|
||
|
|
requestAnimationFrame(render);
|
||
|
|
}
|
||
|
|
|
||
|
|
main();
|
||
|
|
</script>
|
||
|
|
</html>
|
||
|
|
|