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tracking in nonisotropic geometries

This commit is contained in:
Zeno Rogue 2019-11-23 20:16:53 +01:00
parent 982f01e6e5
commit 2f353a844c
1 changed files with 13 additions and 3 deletions
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16
hypgraph.cpp
View File

@ -1489,7 +1489,9 @@ EX void resetview() {
View = Id;
}
cwtV = View;
current_display->which_copy = View;
current_display->which_copy =
nonisotropic ? gpushxto0(tC0(inverse(View))) :
View;
// SDL_LockSurface(s);
// SDL_UnlockSurface(s);
}
@ -2079,7 +2081,7 @@ EX transmatrix& get_view_orientation() {
EX void rotate_view(transmatrix T) {
transmatrix& which = get_view_orientation();
which = T * which;
if(&which == &View) current_display->which_copy = T * current_display->which_copy;
if(!prod && !nonisotropic) current_display->which_copy = T * current_display->which_copy;
}
/** shift the view according to the given tangent vector */
@ -2100,8 +2102,16 @@ EX transmatrix get_shift_view_of(const hyperpoint H, const transmatrix V) {
/** shift the view according to the given tangent vector */
EX void shift_view(hyperpoint H) {
current_display->which_copy = get_shift_view_of(H, current_display->which_copy);
auto oView = View;
View = get_shift_view_of(H, View);
auto& wc = current_display->which_copy;
if(nonisotropic) {
transmatrix ioldv = eupush(tC0(inverse(oView)));
transmatrix newv = inverse(eupush(tC0(inverse(View))));
wc = newv * ioldv * wc;
}
else
wc = get_shift_view_of(H, wc);
}
void multiply_view(transmatrix T) {