Turtle snow fall: Difference between revisions
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A WASSERMANN (talk | contribs) No edit summary |
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active = setTimeout(snow,50); | active = setTimeout(snow,50); | ||
} | } | ||
t. | t.setPenColor('#ffff00'); | ||
snow(); | snow(); | ||
Revision as of 09:18, 23 December 2008
References
The source code
function side(size, level) {
if (level==0) {
t.fd(size);
} else {
side(size/3, level-1);
t.lt(60);
side(size/3, level-1);
t.rt(120);
side(size/3, level-1);
t.lt(60);
side(size/3, level-1);
}
}
function snowflake(size, level) {
(3).times(function() {
side(size, level);
t.rt(120);
});
}
t.ht();
function snow() {
t.setPos(Math.random()*600-300,Math.random()*600-300);
snowflake(30*Math.random(),Math.floor(Math.random()*4));
active = setTimeout(snow,50);
}
snow();
