<!DOCTYPE html>
<html>
<head>
<meta http-equiv = "content-type" content = "text/html" charset = "utf-8"/>
<title> 塔罗牌 </title>
<script>
window.onload=function(){
var canvas=document.getElementById('canvas');
var cx=canvas.getContext("2d");
cx.translate(220,30);
cx.fillStyle='rgba(255, 0, 0, 0.25)';
for (var i = 0; i < 50; i++) {
//图形向左、向下各移动25
cx.translate(25, 25);
//图形缩放
cx.scale(0.95, 0.95);
//图形旋转
cx.rotate(Math.PI/10);
cx.fillRect(0, 0, 100, 50);
}
}
</script>
</head>
<body>
<canvas id="canvas" width="400px" height="300px" style="background-color: rgb(223, 199, 199);"></canvas>
</body>
</html>
效果图如下：
