Quadratic Koch curve

by NightElfik
Short link: http://malsys.cz/g/2en7VsBX
Quadratic Koch curve

Description

Variant of the Koch curve http://en.wikipedia.org/wiki/Koch_snowflake The Algorithmic Beauty of Plants by P. Prusinkiewicz and A. Lindenmayer, p 9, fig 1.7b

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ABoP

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Source code

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lsystem QuadraticKochCurve {
 
set symbols axiom = F;
set iterations = 5;
 
// normalize line length to have (result image will have always same size)
interpret F as DrawForward(2 ^ -(currentIteration * 3/2) * 512);
interpret + as TurnLeft(90);
interpret - as TurnLeft(-90);
 
rewrite F to F + F - F - F + F;
}
 
process all with SvgRenderer;