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2d3d:: better radar in sphere, also better sin/cos in general

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This commit is contained in:
Zeno Rogue 2019-05-15 11:13:23 +02:00
parent 1769f65ddb
commit dec0d191a8
2 changed files with 23 additions and 5 deletions
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6
graph.cpp
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@ -721,6 +721,12 @@ void addradar(const transmatrix& V, char ch, color_t col, color_t outline) {
h[0] = h[0] / (1 + h[3]);
h[2] = 0;
}
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) h = h * (d / sightranges[geometry] / hypot_d(3, h));

22
hud.cpp
View File

@ -355,6 +355,7 @@ void draw_radar(bool cornermode) {
bool d3 = WDIM == 3 || straightDownSeek || !vid.fixed_yz;
bool hyp = hyperbolic;
bool sph = sphere;
dynamicval<eGeometry> g(geometry, gEuclid);
dynamicval<eModel> pm(pmodel, mdUnchanged);
@ -369,26 +370,37 @@ void draw_radar(bool cornermode) {
curvepoint(atscreenpos(cx-cos(i * degree)*rad, cy-sin(i*degree)*rad, 1) * C0);
queuecurve(0xFFFFFFFF, 0x000000FF, PPR::ZERO);
ld alpha = 15 * degree;
ld co = cos(alpha);
ld si = sin(alpha);
if(sph && !d3) {
for(int i=0; i<360; i++)
curvepoint(atscreenpos(cx-cos(i * degree)*rad, cy-sin(i*degree)*rad*si, 1) * C0);
queuecurve(0, 0x200000FF, PPR::ZERO);
}
if(d3) {
for(int i=0; i<360; i++)
curvepoint(atscreenpos(cx-cos(i * degree)*rad, cy-sin(i*degree)*rad/3, 1) * C0);
curvepoint(atscreenpos(cx-cos(i * degree)*rad, cy-sin(i*degree)*rad*si, 1) * C0);
queuecurve(0xFF0000FF, 0x200000FF, PPR::ZERO);
curvepoint(atscreenpos(cx-sin(vid.fov*degree/2)*rad, cy-sin(vid.fov*degree/2)*rad/3, 1) * C0);
curvepoint(atscreenpos(cx-sin(vid.fov*degree/2)*rad, cy-sin(vid.fov*degree/2)*rad*si, 1) * C0);
curvepoint(atscreenpos(cx, cy, 1) * C0);
curvepoint(atscreenpos(cx+sin(vid.fov*degree/2)*rad, cy-sin(vid.fov*degree/2)*rad/3, 1) * C0);
curvepoint(atscreenpos(cx+sin(vid.fov*degree/2)*rad, cy-sin(vid.fov*degree/2)*rad*si, 1) * C0);
queuecurve(0xFF8000FF, 0, PPR::ZERO);
}
if(d3) for(auto& r: radarpoints) {
queueline(atscreenpos(cx+rad * r.h[0], cy - rad * r.h[2]/3 + rad * r.h[1]*2/3, 0)*C0, atscreenpos(cx+rad*r.h[0], cy - rad*r.h[2]/3, 0)*C0, r.line, -1);
queueline(atscreenpos(cx+rad * r.h[0], cy - rad * r.h[2] * si + rad * r.h[1] * co, 0)*C0, atscreenpos(cx+rad*r.h[0], cy - rad*r.h[2] * si, 0)*C0, r.line, -1);
}
quickqueue();
glflush();
for(auto& r: radarpoints)
if(d3) displaychr(int(cx + rad * r.h[0]), int(cy - rad * r.h[2]/3 + rad * r.h[1]*2/3), 0, 8, r.glyph, r.color);
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);
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);