Row of trees

by NightElfik
Short link: http://malsys.cz/g/RyqGd3UB
Row of trees

Description

The Algorithmic Beauty of Plants by P. Prusinkiewicz and A. Lindenmayer, p 48, fig 1.38b

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ABoP

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Source code

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lsystem RowOfTrees {
 
set symbols axiom = F(1, 0);
set iterations = 10;
 
let p = 0.3;
let q = 1-p;
let h = (p*q)^0.5;
 
interpret F(x) as DrawForward(x * 2 ^ -(currentIteration / 10) * 1024,1);
interpret + as TurnLeft(86);
interpret - as TurnLeft(-86);
 
rewrite F(x,t) where t == 0 to F(x*p,2) + F(x*h,1) - - F(x*h,1) + F(x*q,0);
rewrite F(x,t) to F(x,t-1) ;
}
 
process all with SvgRenderer;

Thumbnail extension

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process all with SvgRenderer
set iterations = 9;