Difference between revisions of "Sierpinski curve"
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| Line 37: | Line 37: | ||
t.cs(); | t.cs(); | ||
t.ht(); | t.ht(); | ||
| − | + | level = 3; | |
t.setPos(0,-300); | t.setPos(0,-300); | ||
| − | sierpinski(150/Math.pow(2, | + | sierpinski(150/Math.pow(2,level),level); |
</textarea><br /> | </textarea><br /> | ||
<input type="button" value="run" onClick="run()"> | <input type="button" value="run" onClick="run()"> | ||
Revision as of 22:08, 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);
