Timm Dapper
www.td-grafik.de
Practical Procedural Modeling of Plants
22.01.2003 - Universität Bremen

Rule-Based: L-Systems

interpret output as commands to drive the turtle:

F
    
move turtle by d, draw a line
+
    
increase current angle by a
-
    
decrease current angle by a

for d = 1 and a = 60° this yields the Koch-Curve