canvas实现圆脉冲旋转动画效果代码
代码语言:html
所属分类:动画
代码描述:canvas实现圆脉冲旋转动画效果代码
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, html { margin: 0; overflow: hidden; } canvas { display: block; } </style> </head> <body> <canvas id="canvas"></canvas> <script> let canvas; let ctx; let w, h; function setup() { canvas = document.querySelector("#canvas"); ctx = canvas.getContext("2d"); resize(); window.addEventListener("resize", () => { resize(); }); } function resize() { w = canvas.width = window.innerWidth; h = canvas.height = window.innerHeight; } function draw(now) { requestAnimationFrame(draw); ctx.fillStyle = "black"; ctx.fillRect(0, 0, w, h); ctx.strokeStyle = "white&.........完整代码请登录后点击上方下载按钮下载查看
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