VC语言：精彩：JS画的图形[Good篇]

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精彩：JS画的图形[Good篇]

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<html xmlns:v="urn:schemas-microsoft-com:vml">
<head>
<title>test</title>
</head>
<STYLE>
v\:* { BEHAVIOR: url(#default#VML) }
</STYLE>

<body>

<v:group ID="group1"

style="position:relative;WIDTH:800px;HEIGHT:600px;top:0;left:0;"

CoordOrig="-500,-500" coordsize="1000,1000">
<v:RoundRect style="position:relative;z-index:1;left:-600px;top:-

580;width:1100px;height:1100px" fillcolor="#cccccc">
<v:shadow on="T" type="single" color="#b3b3b3" offset="5px,5px"/>
</v:RoundRect>
<script>

function line(x, y, x1, y1, n)
{
document.write("<v:line from=\"" + (x - n) + "," + y + "\" to=\"" +

(x1 - n) + "," + y1 + "\" style=\"position:relative;top:-80;left:-50;z

-index:9999;\" strokeweight=\"1pt\"></v:line>");
// StrokeColor=Rgb(\"" + Math.round(Math.random() * 255 ) + "," +

Math.round(Math.random() * 255) + "," + Math.round(Math.random() * 255

) +")
}

var i, j, a;
var length = 1000;      // 方块边长
var n = 60, theta = 3; // 每个方块里画子方块的个数，偏移角度值
var x = 300, y = 300;   // 原始坐标位置
var py = 800;           // x 偏移值

function polygonc(x0, y0, r, n, af)
{
var x, y, xs, ys, i, dtheta, theta;

if(n < 3)return;
dtheta = 6.28318 / n;
theta = af * 0.0174533;
xs = x0 + r * Math.cos(theta);
ys = y0 + r * Math.sin(theta);
var xo = xs, yo = ys;
for ( i = 1; i < n; i++)
{
    theta += dtheta;
    x = x0 + r * Math.cos(theta);
    y = y0 + r * Math.sin(theta);
    line(xs, ys, x, y, py);
xs = x;
ys = y;
}
line(xs, ys, xo, yo, py);
}

function block(x, y, a, n, theta)
{
var x0, y0, i, r, t, f, af = 45;
t = Math.abs(theta * 0.0174533);
f = 1 / (Math.cos(t) + Math.sin(t));
r = a / 1.414;
x0 = x + 0.5 * a;
y0 = y + 0.5 * a;
for (i = 1; i <= n; i++)
{
     polygonc(x0, y0, r, 4, af);
     r = r * f;
     af -= theta;
}
}

a = length /4;
for (i = 1; i <= 4; i++)
{
for (j = 1; j <= 4; j++)
{
    block(x, y, a, n, theta);
    theta = 0 - theta;
    x += a;
}
x = 300;
y -= a;
theta = 0 - theta
}

</script>
</v:group>
</body>
</html>

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