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3d:: horo-rec geometry

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Zeno Rogue
2019-03-12 02:40:15 +01:00
parent c25561bb91
commit 678747ceff
8 changed files with 75 additions and 8 deletions
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39
binary-tiling.cpp
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@@ -80,6 +80,8 @@ namespace binary {
return h1;
}
ld hororec_scale = 0.25;
heptagon *build(heptagon *parent, int d, int d1, int t, int side, int delta) {
auto h = buildHeptagon1(tailored_alloc<heptagon> (t), parent, d, hsOrigin, d1);
h->distance = parent->distance + delta;
@@ -218,6 +220,32 @@ namespace binary {
return path(h, 7, 6, {8, 7, parent->c.spin(8) ^ 2});
}
}
case gHoroRec: {
switch(d) {
case 0: case 1:
return build3(parent, d, 6, 1);
case 6:
return build3(parent, 6, hrand(2), -1);
case 2:
parent->cmove(6);
if(parent->c.spin(6) == 0)
return path(h, 2, 4, {6, 1});
else
return path(h, 2, 4, {6, 3, 0});
case 4:
parent->cmove(6);
if(parent->c.spin(6) == 0)
return path(h, 4, 2, {6, 5, 1});
else
return path(h, 4, 2, {6, 0});
case 3:
parent->cmove(6);
return path(h, 3, 5, {6, 4, parent->c.spin(6)});
case 5:
parent->cmove(6);
return path(h, 5, 3, {6, 2, parent->c.spin(6)});
}
}
case gHoroTris: {
switch(d) {
case 0: case 1: case 2: case 3:
@@ -348,6 +376,17 @@ namespace binary {
direct_tmatrix[5] = parabolic3(1, r3/3) * cspin(1,2,M_PI);
direct_tmatrix[6] = parabolic3(-1, r3/3) * cspin(1,2,M_PI);
}
if(geometry == gHoroRec) {
ld r2 = sqrt(2);
ld l = -log(2)/2;
ld z = hororec_scale;
direct_tmatrix[0] = parabolic3(0, -z) * xpush(l) * cspin(2,1,M_PI/2);
direct_tmatrix[1] = parabolic3(0, +z) * xpush(l) * cspin(2,1,M_PI/2);
direct_tmatrix[2] = parabolic3(+2*r2*z, 0);
direct_tmatrix[3] = parabolic3(0, +4*z);
direct_tmatrix[4] = parabolic3(-2*r2*z, 0);
direct_tmatrix[5] = parabolic3(0, -4*z);
}
for(int i=0; i<S7-1; i++)
inverse_tmatrix[i] = inverse(direct_tmatrix[i]);
}