three打造三维粒子流动动画效果-html代码-BFW代码库

three打造三维粒子流动动画效果

代码语言：html

所属分类：粒子

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">

    <title> æther III</title>

    <style>
        html, body {
            background: black;
            overflow: hidden;
        }
    </style>

</head>
<body translate="no">
    <canvas id="canvas"></canvas>
    <script type="x-shader/x-vertex" id="vert-shader">
        attribute vec3 color;
        attribute vec2 age;

        varying vec3 v_color;
        varying vec2 v_age;

        void main() {
            vec4 mvPosition = modelViewMatrix * vec4(position, 1.);

            v_color = color;
            v_age = age;

            gl_PointSize = 80. * (80. / -mvPosition.z);
            gl_Position = projectionMatrix * mvPosition;
        }

    </script>
    <script type="x-shader/x-fragment" id="frag-shader">
        uniform sampler2D u_texture;

        varying vec3 v_color;
        varying vec2 v_age;

        float fadeInOut(float t, float m) {
            float h = .5 * m;

            return abs(mod((t + h), m) - h) / h;
        }

        void main() {
            float alpha = fadeInOut(v_age.s, v_age.t);

            gl_FragColor = vec4(v_color, alpha) * texture2D(u_texture, gl_PointCoord);
        }
    </script>

   <script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/three.109.js"></script>
    <script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/OrbitControls.js"></script>
  <script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/simplex-noise.min.js"></script>
    <script>
        "use strict";

        const {
            abs,
            acos,
            asin,
            atan,
            atan2,
            ceil,
            cos,
            floor,
            max,
            min,
            PI,
            pow,
            random,
            round,
            sin,
            sqrt,
            tan
        } =
        Math;
        const HALF_PI = 0.5 * PI;
        const QUART_PI = 0.25 * PI;
        const TAU = 2 * PI;
        const TO_RAD = PI / 180;
        const G = 6.67 * pow(10, -11);
        const EPSILON = 2.220446049250313e-16;
        const rand = n => n * random();
        const randIn = (_min, _max) => rand(_max - _min) + _min;
        const randRange = n => n - rand(2 * n);
        .........完整代码请登录后点击上方下载按钮下载查看