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Big change: spatial_embedding option

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Zeno Rogue
2022-12-08 19:38:06 +01:00
parent 90dd9e9866
commit 3e733ae6e9
45 changed files with 981 additions and 527 deletions
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27
goldberg.cpp
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@@ -646,7 +646,7 @@ EX namespace gp {
}
if(sp>SG3) sp -= SG6;
return normalize(spin(TAU*sp/S7) * cornmul(T, corner));
return normalize_flat(spin(TAU*sp/S7) * cornmul(T, corner));
}
transmatrix dir_matrix(int i) {
@@ -654,14 +654,15 @@ EX namespace gp {
return spin(M_PI - d * TAU / S7 - cgi.hexshift);
};
return spin(-cgi.gpdata->alpha) * build_matrix(
C0,
ddspin(i) * xpush0(cgi.tessf),
ddspin(i+1) * xpush0(cgi.tessf),
tile_center(),
ddspin(i) * lxpush0(cgi.tessf),
ddspin(i+1) * lxpush0(cgi.tessf),
C03
);
}
void prepare_matrices() {
EX void prepare_matrices(bool inv) {
if(!(GOLDBERG_INV || inv)) return;
cgi.gpdata->corners = inverse(build_matrix(
loctoh_ort(loc(0,0)),
loctoh_ort(param),
@@ -669,6 +670,10 @@ EX namespace gp {
C03
));
cgi.gpdata->Tf.resize(S7);
/* should work directly without flipping but it does not... flipping for now */
if(embedded_plane) geom3::light_flip(true);
for(int i=0; i<S7; i++) {
transmatrix T = dir_matrix(i);
for(int x=-GOLDBERG_LIMIT_HALF; x<GOLDBERG_LIMIT_HALF; x++)
@@ -679,8 +684,19 @@ EX namespace gp {
hyperpoint h = atz(T, cgi.gpdata->corners, at, 6);
hyperpoint hl = atz(T, cgi.gpdata->corners, at + eudir(d), 6);
cgi.gpdata->Tf[i][x&GOLDBERG_MASK][y&GOLDBERG_MASK][d] = rgpushxto0(h) * rspintox(gpushxto0(h) * hl) * spin180();
// cgi.gpdata->Tf[i][x&GOLDBERG_MASK][y&GOLDBERG_MASK][d] = Id; // map_relative_push(h) * lrspintox(inverse(map_relative_push(h)) * hl) * spin180();
}
}
if(geom3::flipped) {
geom3::light_flip(false);
for(int i=0; i<S7; i++) {
for(int x=-GOLDBERG_LIMIT_HALF; x<GOLDBERG_LIMIT_HALF; x++)
for(int y=-GOLDBERG_LIMIT_HALF; y<GOLDBERG_LIMIT_HALF; y++)
for(int d=0; d<(S3==3?6:4); d++) {
swapmatrix( cgi.gpdata->Tf[i][x&GOLDBERG_MASK][y&GOLDBERG_MASK][d] );
}
} }
}
EX hyperpoint get_corner_position(const local_info& li, int cid, ld cf IS(3)) {
@@ -729,7 +745,6 @@ EX namespace gp {
cgi.base_distlimit = 2 * param.first + 2 * param.second + 1;
if(cgi.base_distlimit > SEE_ALL)
cgi.base_distlimit = SEE_ALL;
prepare_matrices();
DEBB(DF_GEOM | DF_POLY, ("scale = ", scale));
}
}