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optimized inverses

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Zeno Rogue
2020-09-16 05:57:05 +02:00
parent cea3da31fc
commit e26f8f5a5b
16 changed files with 138 additions and 85 deletions
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32
hypgraph.cpp
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@@ -1523,11 +1523,11 @@ EX void spinEdge(ld aspd) {
fixmatrix(our);
fixmatrix(their);
if(GDIM == 2) {
transmatrix T = their * inverse(our);
transmatrix T = their * iso_inverse(our);
hyperpoint H = T * xpush0(1);
downspin = -atan2(H[1], H[0]);
}
else rotate_view(their * inverse(our));
else rotate_view(their * iso_inverse(our));
}
else if(playerfound && vid.fixed_facing) {
hyperpoint H = gpushxto0(unshift(playerV) * C0) * unshift(playerV) * xpush0(5);
@@ -1576,8 +1576,8 @@ EX void centerpc(ld aspd) {
transmatrix T = pc->at;
int sl = snakelevel(cwt.at);
if((sl || vid.eye) && WDIM == 2) T = T * zpush(cgi.SLEV[sl] - cgi.FLOOR + vid.eye);
View = inverse(T);
if(prod) NLP = inverse(pc->ori);
View = iso_inverse(T);
if(prod) NLP = ortho_inverse(pc->ori);
if(WDIM == 2) rotate_view( cspin(0, 1, M_PI) * cspin(2, 1, M_PI/2 + shmup::playerturny[id]) * spin(-M_PI/2) );
return;
}
@@ -1610,7 +1610,7 @@ EX void centerpc(ld aspd) {
if(sl || vid.eye) T = T * zpush(cgi.SLEV[sl] - cgi.FLOOR + vid.eye);
}
#endif
hyperpoint H = inverse(actual_view_transform) * tC0(T);
hyperpoint H = ortho_inverse(actual_view_transform) * tC0(T);
ld R = (zero_d(GDIM, H) && !prod) ? 0 : hdist0(H);
if(R < 1e-9) {
// either already centered or direction unknown
@@ -1649,7 +1649,7 @@ EX void optimizeview() {
if(dual::split(optimizeview)) return;
cell *c = centerover;
transmatrix iView = inverse(View);
transmatrix iView = view_inverse(View);
virtualRebase(centerover, iView);
if(c != centerover && (sphere || sl2)) {
transmatrix T = currentmap->relative_matrix(centerover, c, C0);
@@ -1657,7 +1657,7 @@ EX void optimizeview() {
stretch::mstretch_matrix = T * stretch::mstretch_matrix;
}
View = inverse(iView);
View = iview_inverse(iView);
fixmatrix(View);
#if CAP_ANIMATIONS
@@ -1732,7 +1732,7 @@ EX void resetview() {
}
cwtV = shiftless(View);
current_display->which_copy =
nonisotropic ? gpushxto0(tC0(inverse(View))) :
nonisotropic ? gpushxto0(tC0(view_inverse(View))) :
View;
// SDL_LockSurface(s);
// SDL_UnlockSurface(s);
@@ -2266,11 +2266,11 @@ EX hyperpoint unshift(shiftpoint T, ld to IS(0)) {
}
EX transmatrix inverse_shift(const shiftmatrix& T1, const shiftmatrix& T2) {
return inverse(T1.T) * unshift(T2, T1.shift);
return iso_inverse(T1.T) * unshift(T2, T1.shift);
}
EX hyperpoint inverse_shift(const shiftmatrix& T1, const shiftpoint& T2) {
return inverse(T1.T) * unshift(T2, T1.shift);
return iso_inverse(T1.T) * unshift(T2, T1.shift);
}
EX void optimize_shift(shiftmatrix& T) {
@@ -2497,13 +2497,13 @@ EX transmatrix get_shift_view_of(const hyperpoint H, const transmatrix V) {
return rgpushxto0(direct_exp(lp_iapply(H))) * V;
}
else if(!nisot::geodesic_movement) {
transmatrix IV = inverse(V);
transmatrix IV = view_inverse(V);
nisot::fixmatrix(IV);
const transmatrix V1 = inverse(IV);
const transmatrix V1 = iview_inverse(IV);
return V1 * eupush(IV * eupush(H) * V1 * C0);
}
else {
return inverse(nisot::parallel_transport(inverse(V), -H));
return iview_inverse(nisot::parallel_transport(view_inverse(V), -H));
}
}
@@ -2514,8 +2514,8 @@ EX void shift_view(hyperpoint H) {
View = get_shift_view_of(H, View);
auto& wc = current_display->which_copy;
if(nonisotropic || stretch::in()) {
transmatrix ioldv = eupush(tC0(inverse(oView)));
transmatrix newv = inverse(eupush(tC0(inverse(View))));
transmatrix ioldv = eupush(tC0(view_inverse(oView)));
transmatrix newv = inverse(eupush(tC0(view_inverse(View))));
wc = newv * ioldv * wc;
}
else
@@ -2586,7 +2586,7 @@ EX void set_view(hyperpoint camera, hyperpoint forward, hyperpoint upward) {
if(det(rotator) < 0) rotator[0] = -rotator[0];
View = rotator * inverse(rgpushxto0(camera));
View = rotator * iso_inverse(rgpushxto0(camera));
}
}