原生js实现canvas彩色粒子波纹动画效果代码
代码语言:html
所属分类:粒子
代码描述:原生js实现canvas彩色粒子波纹动画效果代码
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"> <style> body { margin: 0; background: #000; color: #fff; height: 100vh; } canvas { width: 100%; height: 100%; display: block; } </style> </head> <body> <canvas></canvas> <script > const canvas = document.querySelector("canvas"); const ctx = canvas.getContext("2d"); const { floor, random, PI } = Math; const pick = arr => arr[floor(random() * arr.length)]; const randomColor = () => pick(['white', 'cyan', 'orange', 'deepskyblue', 'deeppink', 'yellow']); const bugs = Array.from({ length: 900 }, () => ({ color: randomColor(), x: (random() < .5 ? 0 : 1) * (innerWidth - 1), y: (random() < .5 ? 0 : 1) * (innerHeight - 1), angle: random() * 2 * PI, phi: 1 + random() * 5 })); function move(bug) { const.........完整代码请登录后点击上方下载按钮下载查看
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