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Code Issues Releases Wiki Activity

cleaned up keep_vertical_orientation; camera rotation is now nicer if yes

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Zeno Rogue
2020-04-19 21:56:26 +02:00
parent 5d89f8ee4b
commit fc7563e388
2 changed files with 45 additions and 25 deletions
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19
control.cpp
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@@ -318,8 +318,23 @@ EX void full_rotate_camera(int dir, ld val) {
else if(rug::rug_control() && rug::in_crystal()) else if(rug::rug_control() && rug::in_crystal())
crystal::apply_rotation(cspin(dir, 2, val)); crystal::apply_rotation(cspin(dir, 2, val));
#endif #endif
else if(GDIM == 3) else if(GDIM == 3) {
rotate_view(cspin(dir, 2, val)), didsomething = true; if(keep_vertical()) {
hyperpoint vv = vertical_vector();
ld alpha = -atan2(vv[2], vv[1]);
rotate_view(cspin(2, 1, alpha));
ld max_angle = quarter_circle - 1e-4;
if(dir == 1 && alpha + val > max_angle)
val = max_angle - alpha;
if(dir == 1 && alpha + val < -max_angle)
val = -max_angle - alpha;
rotate_view(cspin(dir, 2, val));
rotate_view(cspin(1, 2, alpha));
}
else
rotate_view(cspin(dir, 2, val));
if(!rug::rug_control()) didsomething = true;
}
else else
View = cpush(dir, val) * View, playermoved = false, didsomething = true; View = cpush(dir, val) * View, playermoved = false, didsomething = true;
}; };

51
hypgraph.cpp
View File

@@ -1252,6 +1252,24 @@ void hrmap_standard::draw() {
} }
} }
EX bool keep_vertical() {
if(CAP_ORIENTATION) return false;
if((WDIM == 2 || prod) && GDIM == 3 && vid.fixed_yz) return true;
if(downseek.qty) return true;
return false;
}
EX hyperpoint vertical_vector() {
auto& ds = downseek;
if((WDIM == 2 || prod) && GDIM == 3 && vid.fixed_yz)
return get_view_orientation() * ztangent(1);
else if(ds.qty && prod)
return get_view_orientation() * product::inverse_exp(ds.point);
else if(ds.qty)
return ds.point;
return C0;
}
EX void spinEdge(ld aspd) { EX void spinEdge(ld aspd) {
ld downspin = 0; ld downspin = 0;
auto& ds = downseek; auto& ds = downseek;
@@ -1272,33 +1290,20 @@ EX void spinEdge(ld aspd) {
downspin = atan2(H[1], H[0]); downspin = atan2(H[1], H[0]);
downspin += vid.fixed_facing_dir * degree; downspin += vid.fixed_facing_dir * degree;
if(flipplayer) downspin += M_PI; if(flipplayer) downspin += M_PI;
while(downspin < -M_PI) downspin += 2*M_PI; cyclefix(downspin, 0);
while(downspin > +M_PI) downspin -= 2*M_PI;
aspd = (1 + 2 * abs(downspin)) * aspd; aspd = (1 + 2 * abs(downspin)) * aspd;
} }
else if((WDIM == 2 || prod) && GDIM == 3 && vid.fixed_yz && !CAP_ORIENTATION) { else if(keep_vertical()) {
aspd = 999999; hyperpoint h = vertical_vector();
auto& vo = get_view_orientation(); downspin = -atan2(h[0], h[1]);
// does not work well (also need change auto& to auto) if(ds.qty && GDIM == 2) {
// if(hybri && !prod) vo = vo * inverse(nisot::translate(tC0(vo))); downspin += models::rotation * degree;
if(ds.qty) {
auto sdp = ds.point;
if(prod) sdp = vo * product::inverse_exp(sdp);
if(sdp[0])
downspin = models::rotation * degree - atan2(sdp[0], sdp[1]);
} }
else { if(GDIM == 2) {
if(vo[0][2]) cyclefix(downspin, 0);
downspin = -atan2(vo[0][2], vo[1][2]); downspin = downspin * min(ds.speed, (double)1);
} }
} else aspd = 999999;
else if(ds.qty) {
downspin = atan2(ds.point[1], ds.point[0]);
downspin -= M_PI/2;
downspin += models::rotation * degree;
while(downspin < -M_PI) downspin += 2*M_PI;
while(downspin > +M_PI) downspin -= 2*M_PI;
downspin = downspin * min(ds.speed, (double)1);
} }
if(downspin > aspd) downspin = aspd; if(downspin > aspd) downspin = aspd;
if(downspin < -aspd) downspin = -aspd; if(downspin < -aspd) downspin = -aspd;