Hexagonal Gosper curve (polygon)

by NightElfik
Short link: http://malsys.cz/g/2KZKa6A3
Hexagonal Gosper curve (polygon)

Description

Polygon instead of lines original from The Algorithmic Beauty of Plants by P. Prusinkiewicz and A. Lindenmayer, p 12, fig 1.11a

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ABoPFASS

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Source code

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lsystem HexagonalGosperCurveAsPolygon extends Polygons {
 
set symbols axiom = <(0, 0). +(90) F(150). +(-90) F(50). +(-76.4) L +(76.4) F(50). +(-90) F(150). >;
set iterations = 4;
 
interpret F R L as MoveForward(8);
interpret + as TurnLeft(60);
interpret - as TurnLeft(-60);
 
rewrite L to L. + R. + + R. - L. - - L. L. - R. +;
rewrite R to - L. + R. R. + + R. + L. - - L. - R.;
}
 
process all with SvgRenderer;