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#pragma once
#include "render/RenderVertex.h"
namespace test
{
inline render::RenderVertex createNthVertex(int n, int id, std::size_t size)
{
auto offset = static_cast<float>(n + size * id);
return render::RenderVertex(
{ offset + 0.0f, offset + 0.5f, offset + 0.3f },
{ 0, 0, offset + 0.0f },
{ offset + 0.0f, -offset + 0.0f }
);
}
inline std::vector<render::RenderVertex> generateVertices(int id, std::size_t size)
{
std::vector<render::RenderVertex> vertices;
for (int i = 0; i < size; ++i)
{
vertices.emplace_back(createNthVertex(i, id, size));
}
return vertices;
}
// Generates 3 indices per vertex, without any special meaning
inline std::vector<unsigned int> generateIndices(const std::vector<render::RenderVertex>& vertices)
{
std::vector<unsigned int> indices;
for (int i = 0; i < vertices.size(); ++i)
{
indices.emplace_back(i);
indices.emplace_back(static_cast<unsigned int>((i + 1) % vertices.size()));
indices.emplace_back(static_cast<unsigned int>((i + 2) % vertices.size()));
}
return indices;
}
}
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