问答详情
源自:2-2 绘制直线、多边形和七巧板

我的也没有图形出来,各位大佬帮我看看啦?

<!DOCTYPE html>

<html>

<head>

<meta charset="UTF-8">

<title></title>

</head>

<body>

<canvas id='canvas'width="800" height="800" style="display: block;border: solid 1px aquamarine;margin: 50px auto;">

</canvas>

<script type="text/javascript">

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:"#67beef"},

{p:[{x:800,y:0},{x:800,y:400},{x:600,y:600},{x:600,y:200}],color:"#ef3d6e"},

{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"},

];

window.onload = function(){

var canvas = document.getElementById("canvas");

var context = canvas.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();

}

}

</script>

</body>

</html>


提问者:追逐SUN 2017-10-02 16:46

个回答

  • hys2010
    2017-10-03 23:49:01
    已采纳

    多了一个“}”