canavs黄色方块线条运动背景动画效果代码
代码语言:html
所属分类:动画
代码描述:canavs黄色方块线条运动背景动画效果代码
代码标签: canavs 黄色 方块 线条 运动 背景 动画
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"> <style> html, body { height: 100%; overflow: hidden; } canvas { height: 100%; left: 0; position: fixed; top: 0; width: 100%; } </style> </head> <body> <canvas></canvas> <script > console.clear(); const canvas = document.querySelector("canvas"); const context = canvas.getContext("2d"); canvas.height = window.innerHeight * 2; canvas.width = window.innerWidth * 2; const deg = 13; const thetaA = Math.PI * (360 - deg) / 180.0; const thetaB = Math.PI * deg / 180.0; const cosA = Math.cos(thetaA); const sinA = Math.sin(thetaA); const cosB = Math.cos(thetaB); const sinB = Math.sin(thetaB); class Pane { constructor() { this.direction = Streak.generateDirection(); this.speed = Streak.generateSpe.........完整代码请登录后点击上方下载按钮下载查看
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