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automatic reversal in swapmatrix when wallheight changes

This commit is contained in:
Zeno Rogue 2023-05-19 01:09:02 +02:00
parent d1d06b9941
commit ccf9abc2b6
1 changed files with 3 additions and 0 deletions
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3
embeddings.cpp
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@ -1207,6 +1207,7 @@ struct embedded_matrix_data {
transmatrix saved;
hyperpoint logical_coordinates;
transmatrix rotation;
ld old_height;
};
map<transmatrix*, embedded_matrix_data> mdata;
@ -1229,6 +1230,7 @@ EX void swapmatrix_iview(transmatrix& ori, transmatrix& V) {
data.rotation = cgi.emb->intermediate_to_logical_scaled * data.rotation;
data.saved = V;
data.old_height = vid.wall_height;
}
if(geom3::swap_direction == 1) {
if(!mdata.count(&V)) { swapmatrix(V); ori = Id; return; }
@ -1242,6 +1244,7 @@ EX void swapmatrix_iview(transmatrix& ori, transmatrix& V) {
rot = cgi.emb->logical_scaled_to_intermediate * rot;
if(nisot::local_perspective_used) ori = ori * rot;
else V = V * rot;
if(vid.wall_height * data.old_height < 0) V = MirrorY * V;
}
}