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createSpheres has an argument for creating how many elements

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This commit is contained in:
mklefrancois 2020-06-10 12:07:55 +02:00
parent 68164eafbf
commit 90dc65f220
3 changed files with 17 additions and 14 deletions
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18
ray_tracing_intersection/hello_vulkan.cpp
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@ -720,25 +720,27 @@ nvvk::RaytracingBuilderKHR::Blas HelloVulkan::sphereToVkGeometryKHR()
//--------------------------------------------------------------------------------------------------
// Creating all spheres
//
void HelloVulkan::createSpheres()
void HelloVulkan::createSpheres(uint32_t nbSpheres)
{
std::random_device rd{};
std::mt19937 gen{rd()};
std::normal_distribution<float> xzd{0.f, 5.f};
std::normal_distribution<float> yd{3.f, 1.f};
std::normal_distribution<float> yd{6.f, 3.f};
std::uniform_real_distribution<float> radd{.05f, .2f};
// All spheres
Sphere s;
for(uint32_t i = 0; i < 2000000; i++)
m_spheres.resize(nbSpheres);
for(uint32_t i = 0; i < nbSpheres; i++)
{
s.center = nvmath::vec3f(xzd(gen), yd(gen), xzd(gen));
s.radius = radd(gen);
m_spheres.emplace_back(s);
s.center = nvmath::vec3f(xzd(gen), yd(gen), xzd(gen));
s.radius = radd(gen);
m_spheres[i] = std::move(s);
}
// Axis aligned bounding box of each sphere
std::vector<Aabb> aabbs;
aabbs.reserve(nbSpheres);
for(const auto& s : m_spheres)
{
Aabb aabb;
@ -751,7 +753,7 @@ void HelloVulkan::createSpheres()
MaterialObj mat;
mat.diffuse = vec3f(0, 1, 1);
std::vector<MaterialObj> materials;
std::vector<int> matIdx;
std::vector<int> matIdx(nbSpheres);
materials.emplace_back(mat);
mat.diffuse = vec3f(1, 1, 0);
materials.emplace_back(mat);
@ -759,7 +761,7 @@ void HelloVulkan::createSpheres()
// Assign a material to each sphere
for(size_t i = 0; i < m_spheres.size(); i++)
{
matIdx.push_back(i % 2);
matIdx[i] = i % 2;
}
// Creating all buffers