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fixed the coordinate system naming, and added a comment on these names

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Zeno Rogue
2023-01-07 16:52:24 +01:00
parent 8dede9f8a0
commit e4839a19b7
4 changed files with 24 additions and 24 deletions
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18
geometry.cpp
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@@ -201,16 +201,16 @@ struct geometry_information {
int base_distlimit;
/* convert the tangent space in logical coordinates to actual coordinates */
transmatrix logical_to_actual;
transmatrix logical_to_intermediate;
/* convert the tangent space in actual coordinates to logical coordinates */
transmatrix actual_to_logical;
transmatrix intermediate_to_logical;
/* convert the tangent space in logical coordinates to actual coordinates */
transmatrix logical_to_actual_units;
transmatrix logical_scaled_to_intemediate;
/* convert the tangent space in actual coordinates to logical coordinates */
transmatrix actual_to_logical_units;
transmatrix intermediate_to_logical_scaled;
/** size of the Sword (from Orb of the Sword), used in the shmup mode */
ld sword_size;
@@ -592,7 +592,7 @@ EX bool is_reg3_variation(eVariation var) {
}
void geometry_information::prepare_lta() {
auto& lta = logical_to_actual;
auto& lta = logical_to_intermediate;
bool b = geom3::flipped;
if(b) geom3::light_flip(false);
lta = Id;
@@ -600,15 +600,15 @@ void geometry_information::prepare_lta() {
if(geom3::euc_vertical()) lta = cspin90(2, 1) * lta;
if(geom3::hyp_in_solnih()) lta = cspin90(0, 1) * cspin90(1, 2) * cspin90(0, 1) * lta;
}
logical_to_actual_units = lta;
logical_scaled_to_intemediate = lta;
if(geom3::euc_in_noniso()) {
lta = Id;
lta[0][0] *= geom3::euclid_embed_scale;
lta[1][1] *= geom3::euclid_embed_scale * geom3::euclid_embed_scale_y;
lta = logical_to_actual_units * cspin(0, 1, geom3::euclid_embed_rotate * degree) * lta;
lta = logical_scaled_to_intemediate * cspin(0, 1, geom3::euclid_embed_rotate * degree) * lta;
}
actual_to_logical = inverse(lta);
actual_to_logical_units = inverse(logical_to_actual_units);
intermediate_to_logical = inverse(lta);
intermediate_to_logical_scaled = inverse(logical_scaled_to_intemediate);
if(b) geom3::light_flip(true);
}