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Code Issues Releases Wiki Activity

fake:: now works with higher goldberg (sometimes still buggy)

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Zeno Rogue
2024-06-21 21:42:37 +02:00
parent ae7e810de7
commit abb75ec010
3 changed files with 44 additions and 8 deletions
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40
goldberg.cpp
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@@ -637,6 +637,8 @@ EX namespace gp {
else return corners * c;
}
EX bool gp_style = true; /** disable for the old implementation which did not support fake */
hyperpoint atz(const transmatrix& T, const transmatrix& corners, loc at, int cornerid = 6, ld cf = 3) {
int sp = 0;
again:
@@ -649,17 +651,35 @@ EX namespace gp {
}
if(sp>SG3) sp -= SG6;
if(gp_style && corner[0] < -1e-6) {
auto ac = corner; ac[1] = 1 - corner[1]; ac[2] = 1 - corner[2]; ac[0] = -ac[0];
hyperpoint ctr = normalize(cornmul(T, hyperpoint(0, 0.5, 0.5, 0)));
int sp2 = 0;
while(ac[1] < -1e-6 || ac[2] < -1e-6) {
auto xac = inverse(corners) * ac;
xac = xac[0] * loctoh_ort(eudir(1)) + xac[1] * loctoh_ort(eudir(2)); xac[2] = 1; xac[3] = 0;
ac = corners * xac;
sp2++;
}
if(sp2>SG3) sp2 -= SG6;
return spin(TAU*sp/S7) *
rgpushxto0(ctr) * rgpushxto0(ctr) * spin(M_PI + TAU*sp2/S7) *
normalize(cornmul(T, ac));
}
return normalize(spin(TAU*sp/S7) * cornmul(T, corner));
}
transmatrix dir_matrix(int i) {
EX transmatrix dir_matrix(int i) {
// println(hlog, "0.8424 = 1.8705 = ", cgi.hcrossf);
auto ddspin = [] (int d) -> transmatrix {
return spin(M_PI - d * TAU / S7 - cgi.hexshift);
};
auto gxpush0 = geom3::flipped ? xpush0 : lxpush0;
return spin(-cgi.gpdata->alpha) * build_matrix(
geom3::flipped ? C02 : tile_center(),
geom3::flipped ? ddspin(i) * xpush0(cgi.tessf) : ddspin(i) * lxpush0(cgi.tessf),
geom3::flipped ? ddspin(i+1) * xpush0(cgi.tessf) : ddspin(i+1) * lxpush0(cgi.tessf),
gp_style ? (ddspin(i) * spin(-M_PI/S7) * gxpush0(cgi.hcrossf)) : ddspin(i) * gxpush0(cgi.tessf),
gp_style ? (ddspin(i) * spin(M_PI/S7) * gxpush0(cgi.hcrossf)) : ddspin(i+1) * gxpush0(cgi.tessf),
C03
);
}
@@ -667,12 +687,18 @@ EX namespace gp {
EX void prepare_matrices(bool inv) {
if(!(GOLDBERG_INV || inv)) return;
if(embedded_plane) geom3::light_flip(true);
cgi.gpdata->corners = inverse(build_matrix(
cgi.gpdata->corners_for_triangle = inverse(build_matrix(
loctoh_ort(loc(0,0)),
loctoh_ort(param),
loctoh_ort(param * loc(0,1)),
C03
));
cgi.gpdata->corners = (!gp_style) ? cgi.gpdata->corners_for_triangle : inverse(build_matrix(
loctoh_ort(loc(0,0)),
S3 == 4 ? (loctoh_ort(param * loc(1,1)) + C02)/2 : (loctoh_ort(loc(0,0)) + loctoh_ort(param) + loctoh_ort(param * loc(0,1))) / 3,
S3 == 4 ? (loctoh_ort(param * loc(1,-1)) + C02)/2 : (loctoh_ort(loc(0,0)) + loctoh_ort(param) + loctoh_ort(param * loc(0,1) * loc(0,1) * loc(0,1) * loc(0,1) * loc(0,1))) / 3,
C03
));
cgi.gpdata->Tf.resize(S7);
/* should work directly without flipping but it does not... flipping for now */
@@ -733,7 +759,7 @@ EX namespace gp {
next = point3(x+y/2., -y * sqrt(3) / 2, 0);
ld scale = 1 / hypot_d(2, next);
if(!GOLDBERG) scale = 1;
if(fake::in() && x == 1 && y == 1) scale = 1;
if(special_fake()) scale = 1;
cgi.crossf *= scale;
cgi.hexhexdist *= scale;
cgi.hexvdist *= scale;
@@ -1030,7 +1056,7 @@ EX namespace gp {
int sp = 0;
auto& at = li.relative;
again:
auto corner = cgi.gpdata->corners * loctoh_ort(at);
auto corner = cgi.gpdata->corners_for_triangle * loctoh_ort(at);
if(corner[1] < -1e-6 || corner[2] < -1e-6) {
at = at * eudir(1);
sp++;