Sierpinski curve: Difference between revisions
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===References=== | ===References=== | ||
* [http://en.wikipedia.org/wiki/Sierpi%C5%84ski_curve] | * [http://en.wikipedia.org/wiki/Sierpi%C5%84ski_curve http://en.wikipedia.org/wiki/Sierpi%C5%84ski_curve] | ||
===The source code=== | ===The source code=== |
Revision as of 20:08, 22 December 2008
References
The source code
function halfSierpinski(s,l) {
if (l==0) {
t.fd(s);
} else {
halfSierpinski(s,l-1);
t.lt(45);
t.fd(s*Math.sqrt(2));
t.lt(45);
halfSierpinski(s,l-1);
t.rt(90);
t.fd(s);
t.rt(90);
halfSierpinski(s,l-1);
t.lt(45);
t.fd(s*Math.sqrt(2));
t.lt(45);
halfSierpinski(s,l-1);
}
}
function sierpinski(s,l) {
halfSierpinski(s,l);
t.rt(90);
t.fd(s);
t.rt(90);
halfSierpinski(s,l);
t.rt(90);
t.fd(s);
t.rt(90);
}
t.cs();
t.ht();
r = 4;
t.setPos(0,-300);
sierpinski(150/Math.pow(2,r),r);