canvas下雨产生涟漪动画效果代码
代码语言:html
所属分类:动画
代码描述:canvas下雨产生涟漪动画效果代码
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> <head> <meta charset="utf-8"> <style> * { margin: 0; padding: 0; } canvas { background-color: rgba(255,255,255,0.5); display: block; } </style> </head> <body> <canvas id="canvas">你的浏览器不支持canvas</canvas> <script> var can = document.getElementById("canvas"); //设置绘图环境 var cxt = can.getContext("2d"); //获取浏览器窗口的宽高 var w = can.width = window.innerWidth; var h = can.height = window.innerHeight; //让画布的宽高跟随浏览器窗口的变化而变化 window.onresize = function () { w = can.width = window.innerWidth; h = can.height = window.innerHeight; .........完整代码请登录后点击上方下载按钮下载查看
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