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Code Issues Releases Wiki Activity

mini-map correct in all circumstances, including vertical movement or y/z rotation

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This commit is contained in:
Zeno Rogue
2019-05-24 21:42:30 +02:00
parent 9630ca9663
commit 5483ec8779
2 changed files with 24 additions and 18 deletions
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32
graph.cpp
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@@ -722,9 +722,12 @@ bool drawing_usershape_on(cell *c, mapeditor::eShapegroup sg) {
}
ld max_eu_dist = 0;
transmatrix radar_transform;
void addradar(const transmatrix& V, char ch, color_t col, color_t outline) {
hyperpoint h = tC0(V);
if(GDIM == 3 && WDIM == 2) h = tC0(radar_transform * V);
using namespace hyperpoint_vec;
ld d = hdist0(h);
if(d > sightranges[geometry]) return;
@@ -732,26 +735,14 @@ void addradar(const transmatrix& V, char ch, color_t col, color_t outline) {
if(d) h = h * (d / sightranges[geometry] / hypot_d(3, h));
}
else if(hyperbolic) {
ld z = h[2] + h[1]/1000000;
h[1] = hypot(h[1], h[2]) / (1 + h[3]);
// we add h[1]/1000000 so that it also works for h[2] == 0
if(z < 0) h[1] = -h[1];
h[0] = h[0] / (1 + h[3]);
h[2] = 0;
for(int a=0; a<3; a++) h[a] = h[a] / (1 + h[3]);
}
else if(sphere) {
ld z = h[2] + h[1]/1000000;
h[1] = hypot(h[2], h[1]);
if(z < 0) h[1] = -h[1];
h[2] = h[3];
}
else {
ld z = h[2] + h[1]/1000000;
if(d > max_eu_dist) max_eu_dist = d;
if(d) h = h * (d / (max_eu_dist + scalefactor/4) / hypot_d(3, h));
h[1] = hypot(h[1], h[2]) / (1 + h[3]);
if(z < 0) h[1] = -h[1];
h[2] = 0;
}
radarpoints.emplace_back(radarpoint{h, ch, col, outline});
}
@@ -6711,6 +6702,21 @@ void make_actual_view() {
transmatrix cview() {
make_actual_view();
if(GDIM == 3 && WDIM == 2) {
transmatrix T = actual_view_transform * View;
transmatrix U = inverse(T);
if(T[0][2])
T = spin(-atan2(T[0][2], T[1][2])) * T;
if(T[1][2] && T[2][2])
T = cspin(1, 2, -atan2(T[1][2], T[2][2])) * T;
ld z = -asin_auto(tC0(inverse(T)) [2]);
T = zpush(-z) * T;
radar_transform = T * U;
}
return actual_view_transform * View;
}

10
hud.cpp
View File

@@ -354,7 +354,7 @@ extern ld max_eu_dist;
void draw_radar(bool cornermode) {
bool d3 = WDIM == 3 || straightDownSeek || !vid.fixed_yz;
bool d3 = WDIM == 3;
bool hyp = hyperbolic;
bool sph = sphere;
@@ -400,14 +400,14 @@ void draw_radar(bool cornermode) {
glflush();
for(auto& r: radarpoints)
if(d3 || sphere) displaychr(int(cx + rad * r.h[0]), int(cy - rad * r.h[2] * si + rad * r.h[1] * co), 0, 8, r.glyph, r.color);
else if(sph) displaychr(int(cx + (rad-10) * r.h[0]), int(cy + (rad-10) * r.h[2] * si - (rad-10) * r.h[1] * co), 0, -r.h[1] * si > r.h[2] * co ? 8 : 16, r.glyph, r.color);
if(d3) displaychr(int(cx + rad * r.h[0]), int(cy - rad * r.h[2] * si + rad * r.h[1] * co), 0, 8, r.glyph, r.color);
else if(sph) displaychr(int(cx + (rad-10) * r.h[0]), int(cy + (rad-10) * r.h[2] * si + (rad-10) * r.h[1] * co), 0, +r.h[1] * si > r.h[2] * co ? 8 : 16, r.glyph, r.color);
else if(hyp) {
int siz = 1/(1+r.h[3]) * scalefactor * current_display->radius / (inHighQual ? 10 : 6);
displaychr(int(cx + rad * r.h[0]), int(cy - rad * r.h[1]), 0, siz, r.glyph, r.color);
displaychr(int(cx + rad * r.h[0]), int(cy + rad * r.h[1]), 0, siz, r.glyph, r.color);
}
else {
displaychr(int(cx + rad * r.h[0]), int(cy - rad * r.h[1]), 0, rad * scalefactor / (max_eu_dist + scalefactor/4) * 0.8, r.glyph, r.color);
displaychr(int(cx + rad * r.h[0]), int(cy + rad * r.h[1]), 0, rad * scalefactor / (max_eu_dist + scalefactor/4) * 0.8, r.glyph, r.color);
}
}