粒子效果能量特效-html代码-BFW代码库

粒子效果能量特效

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> Energy</title>
    <style>
        html,
        body {
            margin: 0;
            padding: 0;
            height: 100%;
        }
        body {
            background-color: #000;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        canvas {
            flex-shrink: 0;
            background-color: #222;
            image-rendering: -moz-crisp-edges;
            image-rendering: -webkit-crisp-edges;
            image-rendering: pixelated;
            object-fit: contain;
        }

    </style>

</head>
<body translate="no">

    <script>
        // UTIL
        const PI = Math.PI,
        TWO_PI = Math.PI * 2;

        const Util = {};
        Util.timeStamp = function () {
            return window.performance.now();
        };
        Util.random = function (min, max) {
            return min + Math.random() * (max - min);
        };
        Util.map = function (a, b, c, d, e) {
            return (a - b) / (c - b) * (e - d) + d;
        };
        Util.lerp = function (value1, value2, amount) {
            return value1 + (value2 - value1) * amount;
        };
        Util.clamp = function (value, min, max) {
            return Math.max(min, Math.min(max, value));
        };
        // Vector
        class Vector {
            constructor(x, y) {
                this.x = x || 0;
                this.y = y || 0;
            }
            set(x, y) {
                this.x = x;
                this.y = y;
            }
            reset() {
                this.x = 0;
                this.y = 0;
            }
            fromAngle(angle) {
                let x = Math.cos(angle),
                y = Math.sin.........完整代码请登录后点击上方下载按钮下载查看