image.png
image.png
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body onload="init()">
<canvas id="canvas" width="600px" height="600px" style="border: 1px solid #ff0000;">
</canvas>
<script type="text/javascript">
function init(){
//获取<canvas>元素
var canvas = document.getElementById('canvas');
//获取三维图形的绘图上下文
var gl = canvas.getContext('webgl');
//指定清空<canvas>颜色
gl.clearColor(0.0,0.0,1.0,1.0);
//清空<canvas>
gl.clear(gl.COLOR_BUFFER_BIT);
}
</script>
</body>
</html>
image.png
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