Islands and lakes
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For an explanation see L-systems. <html> <form><textarea id="inputtext0" rows=15 cols=35 wrap="off" style="width:600px;"> var level = 2; var axiom = 'F-F-F-F'; var rules = {
'F' : 'F-f+FF-F-FF-Ff-FF+f-FF+F+FF+Ff+FFF', 'f' : 'ffffff', '+' : '+', '-' : '-'
}; var symbols = { 'F':'F',
'f':'f', '+':'+', '-':'-', '[':'[', ']':']' } ;
var angle = 90;
var len = 20/Math.pow(2,level);
</textarea>
<input type="button" value="run" onClick="run(0)">
<input type="button" value="clear" onClick="clearturtle(0)">
</form>
- Przemyslaw Prusinkiewicz, James Hanan: Lindenmayer Systems, Fractals, and Plants (Lecture Notes in Biomathematics). Springer-Verlag 1989, ISBN 0-387-97092-4
- http://en.wikipedia.org/wiki/L-system