Quadratic Koch island

by NightElfik
Short link: http://malsys.cz/g/QJEx0hGg
Quadratic Koch island

Description

The Algorithmic Beauty of Plants by P. Prusinkiewicz and A. Lindenmayer, p 9, fig 1.7a

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ABoP

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Source code

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lsystem QuadraticKochIsland {
 
set symbols axiom = F - F - F - F;
set iterations = 2;
 
// normalize line length to have (result image will have always same size)
interpret F as DrawForward(2 ^ -(currentIteration * 2) * 128);
interpret + as TurnLeft(90);
interpret - as TurnLeft(-90);
 
rewrite F to
F + F F - F F - F - F + F + F
F - F - F + F + F F + F F - F;
}
 
process all with SvgRenderer;