Koch curve

by NightElfik
Short link: http://malsys.cz/g/wuPgBNkd
Koch curve

Description

http://en.wikipedia.org/wiki/Koch_snowflake

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Source code

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lsystem KochCurve {
 
set symbols axiom = F - - F - - 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(60);
interpret - as TurnLeft(-60);
 
rewrite F to F + F - - F + F;
}
 
process all with SvgRenderer;