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3D graphics in 2D (first commit)

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Zeno Rogue committed 2019-09-12 22:43:01 +02:00
1 parent ea768b634b
commit 1c4d86e0e9
27 files changed
+424 -269
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geometry.cpp
+17 -10
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@@ -93,7 +93,7 @@ void precalc() {
goto finish;
}
if((sphere || hyperbolic) && DIM == 3 && !binarytiling) {
if((sphere || hyperbolic) && WDIM == 3 && !binarytiling) {
rhexf = hexf = 0.378077;
crossf = hcrossf = 0.620672;
tessf = 1.090550;
@@ -165,16 +165,16 @@ void precalc() {
if(geometry == gHoroRec) hexvdist = rhexf = .5, tessf = .5, scalefactor = .5, crossf = hcrossf7/2;
#endif
#if CAP_BT && MAXMDIM >= 4
if(binarytiling && DIM == 3) binary::build_tmatrix();
if(binarytiling && WDIM == 3) binary::build_tmatrix();
#endif
scalefactor = crossf / hcrossf7;
orbsize = crossf;
if(DIM == 3) scalefactor *= geom3::creature_scale;
if(WDIM == 3) scalefactor *= geom3::creature_scale;
zhexf = BITRUNCATED ? hexf : crossf* .55;
if(DIM == 3) zhexf *= geom3::creature_scale;
if(WDIM == 3) zhexf *= geom3::creature_scale;
floorrad0 = hexvdist* 0.92;
floorrad1 = rhexf * 0.94;
@@ -199,6 +199,7 @@ transmatrix xspinpush(ld dir, ld dist) {
namespace geom3 {
bool always3 = false;
int tc_alpha=3, tc_depth=1, tc_camera=2;
ld depth = 1; // world below the plane
@@ -246,7 +247,8 @@ namespace geom3 {
}
ld lev_to_factor(ld lev) {
if(DIM == 3) return lev;
if(WDIM == 3) return lev;
if(GDIM == 3) return lev - depth;
return projection_to_factor(lev_to_projection(lev));
}
ld factor_to_lev(ld fac) {
@@ -260,7 +262,7 @@ namespace geom3 {
return cosh(depth - lev);
}
ld INFDEEP, BOTTOM, HELLSPIKE, LAKE, WALL,
ld INFDEEP, BOTTOM, HELLSPIKE, LAKE, WALL, FLOOR, STUFF,
SLEV[4], FLATEYE,
LEG0, LEG1, LEG, LEG3, GROIN, GROIN1, GHOST,
BODY, BODY1, BODY2, BODY3,
@@ -281,7 +283,8 @@ namespace geom3 {
// tanh(depth) / tanh(camera) == vid.alpha
invalid = "";
if(tc_alpha < tc_depth && tc_alpha < tc_camera)
if(GDIM == 3) ;
else if(tc_alpha < tc_depth && tc_alpha < tc_camera)
vid.alpha = tan_auto(depth) / tan_auto(camera);
else if(tc_depth < tc_alpha && tc_depth < tc_camera) {
ld v = vid.alpha * tan_auto(camera);
@@ -301,6 +304,7 @@ namespace geom3 {
BOTTOM = .8;
HELLSPIKE = .85;
LAKE = .9;
FLOOR = 1;
WALL = 1.25;
SLEV[0] = 1;
SLEV[1] = 1.08;
@@ -332,12 +336,13 @@ namespace geom3 {
INFDEEP = (euclid || sphere) ? 0.01 : lev_to_projection(0) * tanh(camera);
ld wh = actual_wall_height();
WALL = lev_to_factor(wh);
FLOOR = lev_to_factor(0);
human_height = human_wall_ratio * wh;
if(DIM == 3) human_height = scalefactor * height_width / 2;
if(WDIM == 3) human_height = scalefactor * height_width / 2;
ld reduce = (WDIM == 3 ? human_height / 2 : 0);
ld reduce = (DIM == 3 ? human_height / 2 : 0);
LEG0 = lev_to_factor(human_height * .0 - reduce);
LEG1 = lev_to_factor(human_height * .1 - reduce);
LEG = lev_to_factor(human_height * .2 - reduce);
@@ -358,6 +363,8 @@ namespace geom3 {
reduce = (DIM == 3 ? human_height * .3 : 0);
STUFF = lev_to_factor(human_height * .2);
ABODY = lev_to_factor(human_height * .4 - reduce);
ALEG0 = lev_to_factor(human_height * .0 - reduce);
ALEG = lev_to_factor(human_height * .2 - reduce);