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product:: 'flat' wall faces

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This commit is contained in:
Zeno Rogue 2019-08-18 19:28:54 +02:00
parent 43a3d0130e
commit e02290ec98
3 changed files with 28 additions and 6 deletions
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2
3d-models.cpp
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@ -30,7 +30,7 @@ vector<hyperpoint> geometry_information::get_shape(hpcshape sh) {
return res; return res;
} }
hyperpoint normalize_flat(hyperpoint h) { EX hyperpoint normalize_flat(hyperpoint h) {
if(prod) return product_decompose(h).second; if(prod) return product_decompose(h).second;
return normalize(h); return normalize(h);
} }

1
nonisotropic.cpp
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@ -842,6 +842,7 @@ EX namespace nisot {
PHASEFROM(2); PHASEFROM(2);
stop_game(); stop_game();
product::configure(); product::configure();
if(vid.texture_step < 4) vid.texture_step = 4;
return 0; return 0;
} }
return 1; return 1;

31
polygons.cpp
View File

@ -704,13 +704,28 @@ void geometry_information::make_wall(int id, vector<hyperpoint> vertices, vector
bshape(shWall3D[id], PPR::WALL); bshape(shWall3D[id], PPR::WALL);
last->flags |= POLY_TRIANGLES; last->flags |= POLY_TRIANGLES;
hyperpoint center = Hypc; hyperpoint center = Hypc;
int n = isize(vertices); int n = isize(vertices);
vector<ld> altitudes;
if(prod) {
altitudes.resize(n);
for(int i=0; i<n; i++) {
auto d = product_decompose(vertices[i]);
altitudes[i] = d.first;
vertices[i] = d.second;
}
}
ld w = 0; ld w = 0;
for(int i=0; i<n; i++) center += vertices[i] * weights[i], w += weights[i]; for(int i=0; i<n; i++) center += vertices[i] * weights[i], w += weights[i];
center /= w; if(prod) center = normalize_flat(center);
else center /= w;
ld center_altitude = 0;
if(prod) for(int i=0; i<n; i++) center_altitude += altitudes[i] * weights[i] / w;
for(int a=0; a<n; a++) { for(int a=0; a<n; a++) {
hyperpoint v1 = vertices[a] - center; hyperpoint v1 = vertices[a] - center;
hyperpoint v2 = vertices[(a+1)%n] - center; hyperpoint v2 = vertices[(a+1)%n] - center;
@ -718,7 +733,10 @@ void geometry_information::make_wall(int id, vector<hyperpoint> vertices, vector
hyperpoint h = center + v1 * x + v2 * y; hyperpoint h = center + v1 * x + v2 * y;
if(nil && (x || y)) if(nil && (x || y))
h = nilv::on_geodesic(center, nilv::on_geodesic(v1+center, v2+center, y / (x+y)), x + y); h = nilv::on_geodesic(center, nilv::on_geodesic(v1+center, v2+center, y / (x+y)), x + y);
if(prod) { hpcpush(h); return; } if(prod) {
h = zshift(normalize_flat(h), center_altitude * (1-x-y) + altitudes[a] * x + altitudes[(a+1)%n] * y);
hpcpush(h); return;
}
if(sol || !binarytiling) { hpcpush(normalize(h)); return; } if(sol || !binarytiling) { hpcpush(normalize(h)); return; }
hyperpoint res = binary::parabolic3(h[0], h[1]) * xpush0(yy*h[2]); hyperpoint res = binary::parabolic3(h[0], h[1]) * xpush0(yy*h[2]);
hpcpush(res); hpcpush(res);
@ -730,7 +748,10 @@ void geometry_information::make_wall(int id, vector<hyperpoint> vertices, vector
int STEP = vid.texture_step; int STEP = vid.texture_step;
for(int a=0; a<n; a++) for(int y=0; y<STEP; y++) { for(int a=0; a<n; a++) for(int y=0; y<STEP; y++) {
hyperpoint h = (vertices[a] * (STEP-y) + vertices[(a+1)%n] * y)/STEP; hyperpoint h = (vertices[a] * (STEP-y) + vertices[(a+1)%n] * y)/STEP;
if(prod) { hpcpush(h); continue; } if(prod) {
h = zshift(normalize_flat(h), (altitudes[a] * (STEP-y) + altitudes[(a+1)%n] * y) / STEP);
hpcpush(h); continue;
}
if(nil) if(nil)
h = nilv::on_geodesic(vertices[a], vertices[(a+1)%n], y * 1. / STEP); h = nilv::on_geodesic(vertices[a], vertices[(a+1)%n], y * 1. / STEP);
if(sol || !binarytiling) { hpcpush(normalize(h)); continue; } if(sol || !binarytiling) { hpcpush(normalize(h)); continue; }