PulseStudio/VoxelEngine
PulseStudio/VoxelEngine
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fix tetragons normals calculation

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This commit is contained in:
MihailRis 2025-04-27 19:39:13 +03:00
parent b692e8446d
commit c913165f9f
1 changed files with 17 additions and 19 deletions
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36
src/graphics/render/ModelsGenerator.cpp
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@ -95,32 +95,30 @@ model::Model ModelsGenerator::fromCustom(
modelBoxes[i].center(), modelBoxes[i].size() * 0.5f, boxtexfaces
);
}
glm::vec3 norm {0, 1, 0};
for (size_t i = 0; i < points.size() / 4; i++) {
auto texture = modelTextures[modelBoxes.size() * 6 + i];
const glm::vec3& v0 = points[i * 4];
const glm::vec3& v1 = points[i * 4 + 1];
const glm::vec3& v2 = points[i * 4 + 2];
const glm::vec3& v3 = points[i * 4 + 3];
glm::vec3 edge1 = v1 - v0;
glm::vec3 edge2 = v2 - v0;
glm::vec3 norm = glm::cross(edge1, edge2);
norm = glm::normalize(norm);
auto& mesh = model.addMesh(texture);
mesh.lighting = lighting;
auto reg = get_region_for(texture, assets);
mesh.vertices.push_back(
{points[i * 4 + 0], glm::vec2(reg.u1, reg.v1), norm}
);
mesh.vertices.push_back(
{points[i * 4 + 1], glm::vec2(reg.u2, reg.v1), norm}
);
mesh.vertices.push_back(
{points[i * 4 + 2], glm::vec2(reg.u2, reg.v2), norm}
);
mesh.vertices.push_back(
{points[i * 4 + 0], glm::vec2(reg.u1, reg.v1), norm}
);
mesh.vertices.push_back(
{points[i * 4 + 2], glm::vec2(reg.u2, reg.v2), norm}
);
mesh.vertices.push_back(
{points[i * 4 + 3], glm::vec2(reg.u1, reg.v2), norm}
);
mesh.vertices.push_back({v0, glm::vec2(reg.u1, reg.v1), norm});
mesh.vertices.push_back({v1, glm::vec2(reg.u2, reg.v1), norm});
mesh.vertices.push_back({v2, glm::vec2(reg.u2, reg.v2), norm});
mesh.vertices.push_back({v0, glm::vec2(reg.u1, reg.v1), norm});
mesh.vertices.push_back({v2, glm::vec2(reg.u2, reg.v2), norm});
mesh.vertices.push_back({v3, glm::vec2(reg.u1, reg.v2), norm});
}
return model;
}