three实现三维炫酷彩色逼真黑洞粒子运动动画代码-html代码-BFW代码库

three实现三维炫酷彩色逼真黑洞粒子运动动画代码

代码语言：html

所属分类：粒子

代码描述：three实现三维炫酷彩色逼真黑洞粒子运动动画代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Three.js Black Hole</title>
    <style>
        body { margin: 0; overflow: hidden; background-color: #000; }
        canvas { display: block; width: 100vw; height: 100vh; }
    </style>
</head>
<body>
    <canvas class="webgl"></canvas>

    <!-- Import Map for Three.js -->
    <script type="importmap">
        {
            "imports": {
                "three": "https://unpkg.com/three@0.141.0/build/three.module.js",
                "three/examples/jsm/controls/OrbitControls.js": "https://unpkg.com/three@0.141.0/examples/jsm/controls/OrbitControls.js"
            }
        }
    </script>

    <script type="module">
        import * as THREE from 'three';
        import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls.js';

        // --- 1. Shader Definitions (Extracted from source) ---

        // Common Vertex Shader
        const baseVertexShader = `
            varying vec2 vUv;
            void main() {
                vUv = uv;
                gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);
            }
        `;

        // Noise Generator Shader
        const noiseFragmentShader = `
            precision highp float;
            varying vec2 vUv;

            vec3 mod289(vec3 x) { return x - floor(x * (1.0 / 289.0)) * 289.0; }
            vec4 mod289(vec4 x) { return x - floor(x * (1.0 / 289.0)) * 289.0; }
            vec4 permute(vec4 x) { return mod289(((x*34.0)+10.0)*x); }
            vec4 taylorInvSqrt(vec4 r) { return 1.79284291400159 - 0.85373472095314 * r; }
            vec3 fade(vec3 t) { return t*t*t*(t*(t*6.0-15.0)+10.0); }

            float perlin3dPeriodic(vec3 P, vec3 rep) {
                vec3 Pi0 = mod(floor(P), rep);
                vec3 Pi1 = mod(Pi0 + vec3(1.0), rep);
                Pi0 = mod289(Pi0); Pi1 = mod289(Pi1);
                vec3 Pf0 = fract(P); vec3 Pf1 = Pf0 - vec3(1.0);
                vec4 ix.........完整代码请登录后点击上方下载按钮下载查看