: ;: ;: ;
Canvas
= [
{:[{:,:},{:,:},{:,:}],:},
{:[{:,:},{:,:},{:,:}],:},
{:[{:,:},{:,:},{:,:},{:,:}],:},
{:[{:,:},{:,:},{:,:}],:},
{:[{:,:},{:,:},{:,:},{:,:}],:},
{:[{:,:},{:,:},{:,:}],:},
{:[{:,:},{:,:},{:,:}],:},
]
.onload = () {
= .();
.= ;
.= ;
= .()
(= ;<.;++)
([],)
}
(piece,cxt){
cxt.();
cxt.(piece.p[].,piece.p[].);
(=;<piece.p.;++)
cxt.(piece.p[].,piece.p[].);
cxt.();
cxt.= piece.;
cxt.();
}
1 回答
苍白的尾巴
TA贡献7条经验 获得超1个赞
你这个里面代码都不全啊。给你看我写的。
<!DOCTYPE html>
<html>
<head>
<title>七巧板</title>
</head>
<body>
<canvas id="canvas" width="800" height="800" style="border:1px solid #aaa;display:block;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:"#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"}
];
window.onload = function(){
var canvas = document.getElementById("canvas");
var context = canvas.getContext("2d");
/*context.beginPath(); //开始新区域
context.moveTo(100,100);//设置起点
context.lineTo(700,700);//设置下一个点
context.lineTo(100,700);
context.lineTo(100,100);
context.fillStyle = "#ff0";//设置填充色
context.fill(); //填充
context.lineWidth = 5;//设置线宽
context.strokeStyle = "red";//设置线颜色
context.stroke(); //画边框
context.closePath(); //关闭区域
context.beginPath();
context.moveTo(200,100);
context.lineTo(700,600);
context.strokeStyle = "black";
context.stroke();
context.closePath();*/
for(var i=0;i<tangram.length;i++){
dram(tangram[i],context);
}
}
function dram(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>
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