46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
// Copyright (C) 2014 Jérôme Leclercq
|
|
// This file is part of the "Nazara Engine - Utility module"
|
|
// For conditions of distribution and use, see copyright notice in Config.hpp
|
|
|
|
#include <Nazara/Utility/Debug.hpp>
|
|
|
|
template<typename T>
|
|
NzBoxf NzComputeVerticesAABB(const T* vertices, unsigned int vertexCount)
|
|
{
|
|
NzBoxf aabb;
|
|
if (vertexCount > 0)
|
|
{
|
|
aabb.Set(vertices->position.x, vertices->position.y, vertices->position.z, 0.f, 0.f, 0.f);
|
|
vertices++;
|
|
|
|
for (unsigned int i = 1; i < vertexCount; ++i)
|
|
{
|
|
aabb.ExtendTo(vertices->position);
|
|
vertices++;
|
|
}
|
|
}
|
|
else
|
|
aabb.MakeZero();
|
|
|
|
return aabb;
|
|
}
|
|
|
|
template<typename T>
|
|
void NzTransformVertices(T* vertices, unsigned int vertexCount, const NzMatrix4f& matrix)
|
|
{
|
|
if (matrix.IsIdentity())
|
|
return;
|
|
|
|
NzVector3f scale = matrix.GetScale();
|
|
|
|
for (unsigned int i = 0; i < vertexCount; ++i)
|
|
{
|
|
vertices->normal = matrix.Transform(vertices->normal, 0.f) / scale;
|
|
vertices->position = matrix.Transform(vertices->position);
|
|
vertices->tangent = matrix.Transform(vertices->tangent, 0.f) / scale;
|
|
vertices++;
|
|
}
|
|
}
|
|
|
|
#include <Nazara/Utility/DebugOff.hpp>
|