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Code Issues Releases Wiki Activity

sl2:: 3d-models

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Zeno Rogue
2019-08-24 14:49:49 +02:00
parent 1e6970ca28
commit fd42b45fce
4 changed files with 26 additions and 13 deletions
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17
3d-models.cpp
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@@ -32,6 +32,7 @@ vector<hyperpoint> geometry_information::get_shape(hpcshape sh) {
EX hyperpoint normalize_flat(hyperpoint h) {
if(prod) return product_decompose(h).second;
if(sl2) h = slr::translate(h) * zpush0(-atan2(h[2], h[3]));
return normalize(h);
}
@@ -133,6 +134,12 @@ vector<hyperpoint> scaleshape(const vector<hyperpoint>& vh, ld s) {
return res;
}
ld get_zlevel(hyperpoint h) {
if(prod) return zlevel(h);
if(sl2) return atan2(h[2], h[3]);
return asin_auto(h[2]);
}
void geometry_information::make_ha_3d(hpcshape& sh, bool isarmor, ld scale) {
shcenter = C0;
@@ -202,7 +209,7 @@ void geometry_information::make_ha_3d(hpcshape& sh, bool isarmor, ld scale) {
int arm1 = isize(hpc);
for(int i=arm0; i<arm1; i++) {
hyperpoint h = hpc[i];
ld zl = prod ? zlevel(h) : asin_auto(h[2]);
ld zl = get_zlevel(h);
h = zpush(-zl) * h;
ld rad = hdist0(h);
rad = (rad - 0.1124*S) / (0.2804*S - 0.1124*S);
@@ -615,10 +622,10 @@ void geometry_information::animate_bird(hpcshape& orig, hpcshape_animated& anima
// shift_shape(orig, BIRD);
}
EX hyperpoint forward_dir(ld x) { return (prod || sl2) ? point3(x, 0, 0) : xpush0(x); }
EX hyperpoint zforward_dir(ld z) { return (prod || sl2) ? point3(0, 0, z) : zpush0(z); }
EX hyperpoint forward_dir(ld x) { return hybri ? point3(x, 0, 0) : xpush0(x); }
EX hyperpoint zforward_dir(ld z) { return hybri ? point3(0, 0, z) : zpush0(z); }
EX hyperpoint dir_to_point(hyperpoint h) { return prod ? product::direct_exp(h) : h; }
EX hyperpoint dir_to_point(hyperpoint h) { return hybri ? nisot::direct_exp(h, 100) : h; }
EX hyperpoint dir_setlength(hyperpoint dir, ld length) {
if(dir[0] == 0 && dir[1] == 0 && dir[2] == 0) return dir;
@@ -630,7 +637,7 @@ void geometry_information::slimetriangle(hyperpoint a, hyperpoint b, hyperpoint
dynamicval<int> d(vid.texture_step, 8);
texture_order([&] (ld x, ld y) {
ld z = 1-x-y;
ld r = scalefactor * hcrossf7 * (0 + pow(max(x,max(y,z)), .3) * 0.8) * (prod ? .5 : 1);
ld r = scalefactor * hcrossf7 * (0 + pow(max(x,max(y,z)), .3) * 0.8) * (hybri ? .5 : 1);
hyperpoint h = dir_to_point(dir_setlength(a*x+b*y+c*z, r));
hpcpush(h);
});