<html lang="en">
<head>
<meta charset="UTF-8">
<title>Documenttitle>
head>
<body>
<canvas id="canvas" width="1024" height="768" style="border:1px solid #aaa;display: block;margin: 50px auto;">
canvas>
<script>
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:"#f9f51c"},
{
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");
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 = "black";
cxt.lineWidth = 3;
cxt.stroke();
}
script>
body>
html>
