课程的代码在哪里下啊
代码在哪里下啊
撒哈拉之心的漂流
2015-05-21
2 回答
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<canvas id="canvas">您的浏览器不支持Canvas,请升级到最新浏览器！</canvas>
</body>
<style type="text/css">
#canvas {
display: block;
border: 1px solid mediumspringgreen;
margin:50px auto;
}
</style>
<script type="text/javascript">
window.onload =function(){
sevendDiv();
};
var tangram=[
{p:[{x:0,y:0},{x:800,y:0},{x:400,y:400}],color:"#caff67"},
{p:[{x:0,y:0},{x:400,y:400},{x:0,y:800}],color:"#67becf"},
{p:[{x:800,y:0},{x:800,y:400},{x:600,y:600},{x:600,y:200}],color:"#ef3d61"},
{p:[{x:600,y:200},{x:600,y:600},{x:400,y:400}],color:"f9f51a"},
{p:[{x:400,y:400},{x:600,y:600},{x:400,y:800},{x:200,y:600}],color:"#a594c0"},
{p:[{x:200,y:600},{x:400,y:800},{x:0,y:800}],color:"#fa8ecc"},
{p:[{x:800,y:400},{x:800,y:800},{x:400,y:800}],color:"#f6ca29"}
];
function sevendDiv() {
var oCanvas = document.getElementById('canvas');
oCanvas.width = '800';
oCanvas.height = '800';
var context = oCanvas.getContext('2d');
for (var i = 0; i < tangram.length; i++) {
draw(tangram[i], context)
}
}
function draw(piece, cxt) {
cxt.beginPath();
cxt.moveTo(piece.p[0].x, piece.p[0].y);
for (var i = 1; i < piece.p.length; i++) {
cxt.lineTo(piece.p[i].x, piece.p[i].y);
}
cxt.closePath();
cxt.fillStyle = piece.color;
cxt.fill();
cxt.strokeStyle = 'mediumspringgreen';
cxt.stroke();
}
</script>
</html>
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