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raytracing:: better Solv, and Nil

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Zeno Rogue
2019-10-23 18:52:57 +02:00
parent 2f15d0f013
commit be9cea07b3
3 changed files with 104 additions and 77 deletions
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23
polygons.cpp
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@@ -707,6 +707,11 @@ void geometry_information::compute_cornerbonus() { }
// Make a wall
hyperpoint ray_kleinize(hyperpoint h, int id) {
if(geometry == gNil && among(id, 2, 5)) h[2] = 0;
return kleinize(h);
}
void geometry_information::make_wall(int id, vector<hyperpoint> vertices, vector<ld> weights) {
wallstart.push_back(isize(raywall));
@@ -751,15 +756,23 @@ void geometry_information::make_wall(int id, vector<hyperpoint> vertices, vector
ld center_altitude = 0;
if(prod) for(int i=0; i<n; i++) center_altitude += altitudes[i] * weights[i] / w;
auto ocenter = center;
for(int a=0; a<n; a++) {
if(triangles) center = normalize(vertices[a/3*3] * 5 + vertices[a/3*3+1] + vertices[a/3*3+2]);
transmatrix T = build_matrix(kleinize(vertices[a]), kleinize(vertices[(a+1)%n]), kleinize(center), point31(0,0,0));
T = inverse(T);
raywall.push_back(T);
hyperpoint v1 = vertices[a];
hyperpoint v2 = vertices[(a+1)%n];
hyperpoint v1 = vertices[a] - center;
hyperpoint v2 = vertices[(a+1)%n] - center;
if(!triangles || (a%6 == 1)) {
transmatrix T = build_matrix(ray_kleinize(v1, id), ray_kleinize(v2, id), ray_kleinize(ocenter, id), point3(.1,.2,.3));
println(hlog, "id = ", id, " iT = ", T);
T = inverse(T);
raywall.push_back(T);
}
v1 = v1 - center;
v2 = v2 - center;
texture_order([&] (ld x, ld y) {
hyperpoint h = center + v1 * x + v2 * y;
if(nil && (x || y))