Turtle snow fall: Difference between revisions
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A WASSERMANN (talk | contribs) No edit summary |
A WASSERMANN (talk | contribs) No edit summary |
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}); | }); | ||
} | } | ||
function snow() { | function snow() { | ||
counter++; | |||
if (counter>500) { | |||
counter = 0; | |||
t.cs(); | |||
} | |||
t.setPos(Math.random()*600-300,Math.random()*600-300); | t.setPos(Math.random()*600-300,Math.random()*600-300); | ||
snowflake(50*Math.random(),Math.floor(Math.random()*4)); | snowflake(50*Math.random(),Math.floor(Math.random()*4)); | ||
| Line 32: | Line 36: | ||
} | } | ||
t.setPenColor('#ffff00'); | t.setPenColor('#ffff00'); | ||
t.ht(); | |||
counter = 0; | |||
snow(); | snow(); | ||
| Line 84: | Line 91: | ||
t.ht(); | t.ht(); | ||
function snow() { | function snow() { | ||
counter++; | |||
if (counter>500) { | |||
counter = 0; | |||
t.cs(); | |||
} | |||
t.setPos(Math.random()*600-300,Math.random()*600-300); | t.setPos(Math.random()*600-300,Math.random()*600-300); | ||
snowflake(30*Math.random(),Math.floor(Math.random()*4)); | snowflake(30*Math.random(),Math.floor(Math.random()*4)); | ||
| Line 89: | Line 101: | ||
} | } | ||
t.setPenColor('#ffff00'); | t.setPenColor('#ffff00'); | ||
counter = 0; | |||
snow();</source> | snow();</source> | ||
Revision as of 10:15, 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() {
counter++;
if (counter>500) {
counter = 0;
t.cs();
}
t.setPos(Math.random()*600-300,Math.random()*600-300);
snowflake(30*Math.random(),Math.floor(Math.random()*4));
active = setTimeout(snow,200);
}
t.setPenColor('#ffff00');
counter = 0;
snow();
