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moved all projection-related parameters to a special struct; another copy of that struct created for rug

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Zeno Rogue
2020-04-17 00:53:58 +02:00
parent f8cbf67a8e
commit 0472bf764f
29 changed files with 580 additions and 562 deletions
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28
geometry.cpp
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@@ -710,24 +710,24 @@ EX namespace geom3 {
void geometry_information::prepare_compute3() {
using namespace geom3;
DEBBI(DF_INIT | DF_POLY | DF_GEOM, ("geom3::compute"));
// tanh(depth) / tanh(camera) == vid.alpha
// tanh(depth) / tanh(camera) == pconf.alpha
invalid = "";
if(GDIM == 3) ;
else if(vid.tc_alpha < vid.tc_depth && vid.tc_alpha < vid.tc_camera)
vid.alpha = tan_auto(vid.depth) / tan_auto(vid.camera);
pconf.alpha = tan_auto(vid.depth) / tan_auto(vid.camera);
else if(vid.tc_depth < vid.tc_alpha && vid.tc_depth < vid.tc_camera) {
ld v = vid.alpha * tan_auto(vid.camera);
ld v = pconf.alpha * tan_auto(vid.camera);
if(hyperbolic && (v<1e-6-12 || v>1-1e-12)) invalid = "cannot adjust depth", vid.depth = vid.camera;
else vid.depth = atan_auto(v);
}
else {
ld v = tan_auto(vid.depth) / vid.alpha;
ld v = tan_auto(vid.depth) / pconf.alpha;
if(hyperbolic && (v<1e-12-1 || v>1-1e-12)) invalid = "cannot adjust camera", vid.camera = vid.depth;
else vid.camera = atan_auto(v);
}
if(fabs(vid.alpha) < 1e-6) invalid = "does not work with perfect Klein";
if(fabs(pconf.alpha) < 1e-6) invalid = "does not work with perfect Klein";
if(invalid != "") {
INFDEEP = .7;
@@ -851,20 +851,20 @@ EX void switch_always3() {
EX void switch_tpp() {
if(dual::split(switch_fpp)) return;
if(pmodel == mdDisk && vid.camera_angle) {
if(pmodel == mdDisk && pconf.camera_angle) {
vid.yshift = 0;
vid.camera_angle = 0;
vid.xposition = 0;
vid.yposition = 0;
vid.scale = 1;
pconf.camera_angle = 0;
pconf.xposition = 0;
pconf.yposition = 0;
pconf.scale = 1;
vid.fixed_facing = false;
}
else {
vid.yshift = -0.3;
vid.camera_angle = -45;
vid.scale = 18/16. * vid.xres / vid.yres / multi::players;
vid.xposition = 0;
vid.yposition = -0.9;
pconf.camera_angle = -45;
pconf.scale = 18/16. * vid.xres / vid.yres / multi::players;
pconf.xposition = 0;
pconf.yposition = -0.9;
vid.fixed_facing = true;
vid.fixed_facing_dir = 90;
}