Sphinx colored

by NightElfik
Short link: http://malsys.cz/g/n1dHUcHO
Sphinx colored

Description

By Herb Savage, based on Martin Gardner's "Penrose Tiles to Trapdoor Ciphers".

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Tilings

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Source code

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lsystem SphinxColored {
 
set symbols axiom = x(60);
set iterations = 5;
set continuousColoring = true;
 
interpret F as MoveForward(8);
interpret G(age) as MoveForward(2^age * 8);
interpret + as TurnLeft;
interpret | as TurnLeft(180);
interpret < as StartPolygon(0, 0);
interpret . as RecordPolygonVertex;
interpret > as EndPolygon;
 
rewrite x(a) to < . +(a) F F . +(-a) x(-a) F F . +(a) F F . +(-2a) F F F .
| x(a) | F . +(-2a) x(-a) F F F . x(-a) F F F . | >;
rewrite F to G(1);
rewrite G(age) to G(age + 1);
rewrite < to nothing;
rewrite > to nothing;
rewrite . to nothing;
}
 
process all with SvgRenderer;