搞定了，就是其中两块七巧板的颜色一样，这个就不知道怎么搞了？
来源：2-2 绘制直线、多边形和七巧板
蒹葭苍沧
2021-01-25 18:16
<!DOCTYPE html><html lang='zh-cn'> <head> <title>柒桥板</title> <meta charset="utf-8"> </head> <body> <canvas id="canvas" style="display: block;border: 1px solid #ccc;margin: 30px 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:"#f9‘f51a"}, {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:"#fa83cc"}, {p:[{x:800,y:400},{x:800,y:800},{x:400,y:800}],color:"#f6ca29"}, ]; window.onload=function(){ var canvas=document.getElementById('canvas'); canvas.width=800; canvas.height=800; var context=canvas.getContext('2d'); for(var i=0;i<tangram.length;i++) draw(tangram[i],context); } function draw(place,cxt){ cxt.beginPath(); cxt.moveTo(place.p[0].x,place.p[0].y); for(var i=1;i<place.p.length;i++) cxt.lineTo(place.p[i].x,place.p[i].y); cxt.closePath(); cxt.fillStyle=place.color; cxt.fill(); cxt.strokeStyle='#2a3a4a'; cxt.lineWidth=4; cxt.stroke(); } </script> </body></html>
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3回答
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- 蒹葭苍沧
- 2021-02-02 16:08:34
是的，这个单引号去掉后效果还是和原来一样
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- 蒹葭苍沧
- 2021-02-01 17:47:14
谢谢，看到了，改过来后效果还是没啥改变呀
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- qq_zjw_3
- 2021-02-01 17:32:36
tangram变量的第四个元素里的color写错了，多了一个逗号。
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