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fractal geometry

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Zeno Rogue
2023-03-28 22:54:46 +02:00
parent 121df0d9c7
commit 511ffe8498
9 changed files with 190 additions and 12 deletions
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10
classes.cpp
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@@ -751,6 +751,7 @@ enum eGeometry {
gSpace345, gSpace353, gSpace354, gSpace355,
gHalfBring,
gAperiodicHat,
gSierpinski3, gSierpinski4, gSixFlake, gMengerSponge, gSierpinskiTet,
gGUARD};
enum eGeometryClass { gcHyperbolic, gcEuclid, gcSphere, gcSol, gcNIH, gcSolN, gcNil, gcProduct, gcSL2 };
@@ -830,6 +831,8 @@ static const flagtype qCAT = Flag(28);
static const flagtype qAPERIODIC = Flag(29);
static const flagtype qHAT = Flag(30);
static const flagtype qFRACTAL = Flag(31);
// note: dnext assumes that x&7 equals 7
static const int SEE_ALL = 50;
// note: check_football_colorability in arbitrile.cpp assumes OINF is divisible by 3
@@ -958,7 +961,12 @@ EX vector<geometryinfo> ginf = {
{"{3,5,4}","none", "{3,5,4} hyperbolic honeycomb", "354", 20, 5, qIDEAL | qULTRA, giHyperb3, {{7, 2}}, eVariation::pure},
{"{3,5,5}","none", "{3,5,5} hyperbolic honeycomb", "355", 20, 5, qIDEAL | qULTRA, giHyperb3, {{7, 2}}, eVariation::pure},
{"{5,4}", "pBring", "projective Bring's Surface", "pBring", 5, 4, qsSMALLN, giHyperb2, {{6, 4}}, eVariation::bitruncated},
{"hat", "none", "aperiodic hat", "hat", 14, 3, qAPERIODIC | qHAT, giEuclid2, {{7, 7}}, eVariation::pure},
{"hat", "none", "aperiodic hat", "hat", 14, 3, qAPERIODIC | qHAT, giEuclid2, {{7, 7}}, eVariation::pure},
{"triangle","none", "Sierpiński triangle", "S3", 6, 3, qFRACTAL, giEuclid2, {{10, 10}}, eVariation::pure},
{"carpet", "none", "Sierpiński carpet", "S4", 4, 4, qFRACTAL, giEuclid2, {{10, 10}}, eVariation::pure},
{"6-flake","none", "6-flake fractal", "S6", 6, 3, qFRACTAL, giEuclid2, {{10, 10}}, eVariation::pure},
{"{4,3,4}","none", "Menger sponge", "S8", 6, 4, qFRACTAL, giEuclid3, {{10, 10}}, eVariation::pure},
{"rh{4,3,4}","none", "Sierpiński tetrahedron", "S4b", 12, 3, qFRACTAL, giEuclid3, {{10, 10}}, eVariation::pure},
};
// bits: 9, 10, 15, 16, (reserved for later) 17, 18