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fast inverse square root is fast. and ignore that typo

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Yggdrasil75
2026-01-21 07:23:09 -05:00
parent 63a21b103f
commit ff3e4711db
2 changed files with 121 additions and 9 deletions
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5
util/grid/grid3.hpp
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@@ -351,11 +351,12 @@ public:
std::vector<uint8_t> colorBuffer(resolution.x * resolution.y * 3);
#pragma omp parallel for
for (int y = 0; y < resolution.y; y++) {
float v = (1.f - 2.f * (y+0.5f) / resolution.y) * viewH;
float v = (1.f - 2.f * (y+0.5f) / resolution.y) * viewH;
Vec3f vup = cam.up * v;
for (int x = 0; x < resolution.x; x++) {
Voxel outVoxel(0, false, 0.f, Vec3ui8(10, 10, 255));
float u = (2.f * (x+0.5f)/resolution.x - 1.f) * viewW;
Vec3f rayDirWorld = (forward + right * u + cam.up * v).normalized();
Vec3f rayDirWorld = (forward + right * u + vup).normalized();
Vec3f rayStartGrid = cam.posfor.origin;
Vec3f rayEnd = rayStartGrid + rayDirWorld * maxDist;
voxelTraverse(rayStartGrid, rayEnd, outVoxel, maxDist);