<!DOCTYPE html><html><head><meta charset="UTF-8"><title></title></head><body><canvas id="canvas" width="800" height="800" style="border:1px solid #aaa;display:block;margin:50px auto;">当浏览器不支持canvas，请更换浏览器后再试</canvas><script>var data=[{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");canvas.width = 800;canvas.height = 800;var context = canvas.getContext("2d");//使用context绘制for(var i = 0; i < data.length ; i++)draw(data[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>
- 1 回答
- 0 关注
- 1528 浏览
相关问题推荐
添加回答
举报
0/150
提交
取消