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pipes for anisotropic geometries

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Zeno Rogue
2023-06-10 11:05:57 +02:00
parent 901521631f
commit e218b0b19f
4 changed files with 60 additions and 129 deletions
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58
3d-models.cpp
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@@ -1278,31 +1278,25 @@ void geometry_information::make_3d_models() {
finishshape();
}
hpcshape& geometry_information::generate_pipe(ld length, ld width, ePipeEnd endtype) {
int id = int(length * 172 + .5) + int(157003 * log(width+.001));
bool pers = in_perspective();
if(!pers) id ^= 0x4126891;
if(shPipe.count(id)) return shPipe[id];
hpcshape& pipe = shPipe[id];
println(hlog, "generating pipe of length ", length, " and width ", width);
bshape(pipe, PPR::WALL);
hpcshape& geometry_information::gen_pipe(hpcshape& pipe, ePipeEnd endtype, ld ratio, const hr::function<hyperpoint(ld,ld,ld)>& f) {
cgi.bshape(pipe, PPR::WALL);
#if CAP_GL
auto& utt = models_texture;
#if CAP_GL
auto& utt = cgi.models_texture;
if(floor_textures) {
pipe.tinf = &utt;
pipe.texture_offset = isize(utt.tvertices);
}
#endif
#endif
const int MAX_X = 32;
const int MAX_R = 20;
auto at = [&] (ld i, ld a, ld z = 1, ld s = 1) {
a += 0.5;
ld alpha = TAU * a / MAX_R;
hpcpush(xpush(i * length / MAX_X) * cspin(1, 2, alpha) * ypush0(width*z));
cgi.hpcpush(f(i / MAX_X, alpha, z));
#if CAP_GL
if(floor_textures) utt.tvertices.push_back(glhr::makevertex(0, pers ? 0.549 - s * 0.45 * sin(alpha) : 0.999, 0));
if(floor_textures) utt.tvertices.push_back(glhr::makevertex(0, true ? 0.549 - s * 0.45 * sin(alpha) : 0.999, 0));
#endif
};
for(int i=0; i<MAX_X; i++) {
@@ -1324,7 +1318,7 @@ hpcshape& geometry_information::generate_pipe(ld length, ld width, ePipeEnd endt
if(endtype == ePipeEnd::ball) for(int a=0; a<MAX_R; a++) for(int x=-MAX_R; x<MAX_R; x++) {
ld xb = x < 0 ? 0 : MAX_X;
ld mul = MAX_X * width/length * .9; // .9 to prevent Z-fighting
ld mul = MAX_X * ratio * .9; // .9 to prevent Z-fighting
ld x0 = xb + mul * sin(x * 90._deg / MAX_R);
ld x1 = xb + mul * sin((x+1) * 90._deg / MAX_R);
ld z0 = cos(x * 90._deg / MAX_R);
@@ -1343,6 +1337,42 @@ hpcshape& geometry_information::generate_pipe(ld length, ld width, ePipeEnd endt
return pipe;
}
hpcshape& geometry_information::get_pipe_noniso(hyperpoint target, ld width, ePipeEnd endtype) {
int id = bucketer(target) + int(157003 * log(width+.001));
if(cgi.shPipe.count(id)) return cgi.shPipe[id];
hpcshape& pipe = cgi.shPipe[id];
hyperpoint lmax = sol ? inverse_exp_newton(target, 10) : inverse_exp(shiftless(target));
transmatrix lT;
ld length;
if(1) {
dynamicval<eGeometry> g(geometry, gCubeTiling);
length = hdist0(lmax);
lT = rspintox(lmax);
}
return gen_pipe(pipe, endtype, width/length, [&] (ld i, ld alpha, ld z) {
hyperpoint p;
if(1) {
dynamicval<eGeometry> g(geometry, gCubeTiling);
p = xpush(i * length) * cspin(1, 2, alpha) * ypush0(width*z);
p = lT * p;
}
return direct_exp(p);
});
}
hpcshape& geometry_information::get_pipe_iso(ld length, ld width, ePipeEnd endtype) {
int id = int(length * 172 + .5) + int(157003 * log(width+.001));
bool pers = in_perspective();
if(!pers) id ^= 0x4126891;
if(shPipe.count(id)) return shPipe[id];
hpcshape& pipe = shPipe[id];
println(hlog, "generating pipe of length ", length, " and width ", width);
return gen_pipe(pipe, endtype, width/length, [&] (ld i, ld alpha, ld z) { return xpush(i * length) * cspin(1, 2, alpha) * ypush0(width*z); });
}
#undef S
#undef SH
#undef revZ