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Added ComputeVerticesAABB algorithm 

Made TransformVertices template
Removed TransformVertex


Former-commit-id: 68c7bdae2bd21adbed3fc7c54361c439ea0e5d37
This commit is contained in:
Lynix 2013-06-09 16:10:12 +02:00
parent a478926570
commit 542ce665c2
2 changed files with 30 additions and 9 deletions
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4
include/Nazara/Utility/Algorithm.hpp
View File

@ -21,6 +21,7 @@ NAZARA_API void NzComputeCubicSphereIndexVertexCount(unsigned int subdivision, u
NAZARA_API void NzComputeIcoSphereIndexVertexCount(unsigned int recursionLevel, unsigned int* indexCount, unsigned int* vertexCount);
NAZARA_API void NzComputePlaneIndexVertexCount(const NzVector2ui& subdivision, unsigned int* indexCount, unsigned int* vertexCount);
NAZARA_API void NzComputeUvSphereIndexVertexCount(unsigned int sliceCount, unsigned int stackCount, unsigned int* indexCount, unsigned int* vertexCount);
template<typename T> NzBoxf NzComputeVerticesAABB(const T* vertices, unsigned int vertexCount);
NAZARA_API void NzGenerateBox(const NzVector3f& lengths, const NzVector3ui& subdivision, const NzMatrix4f& matrix, NzMeshVertex* vertices, NzIndexIterator indices, NzBoxf* aabb = nullptr, unsigned int indexOffset = 0);
NAZARA_API void NzGenerateCubicSphere(float size, unsigned int subdivision, const NzMatrix4f& matrix, NzMeshVertex* vertices, NzIndexIterator indices, NzBoxf* aabb = nullptr, unsigned int indexOffset = 0);
@ -30,8 +31,7 @@ NAZARA_API void NzGenerateUvSphere(float size, unsigned int sliceCount, unsigned
NAZARA_API void NzOptimizeIndices(NzIndexIterator indices, unsigned int indexCount);
inline void NzTransformVertex(NzMeshVertex* vertex, const NzMatrix4f& matrix);
inline void NzTransformVertices(NzMeshVertex* vertices, unsigned int vertexCount, const NzMatrix4f& matrix);
template<typename T> void NzTransformVertices(T* vertices, unsigned int vertexCount, const NzMatrix4f& matrix);
#include <Nazara/Utility/Algorithm.inl>

35
include/Nazara/Utility/Algorithm.inl
View File

@ -4,21 +4,42 @@
#include <Nazara/Utility/Debug.hpp>
void NzTransformVertex(NzMeshVertex* vertex, const NzMatrix4f& matrix)
template<typename T>
NzBoxf NzComputeVerticesAABB(const T* vertices, unsigned int vertexCount)
{
vertex->normal = matrix.Transform(vertex->normal, 0.f);
vertex->position = matrix.Transform(vertex->position);
vertex->tangent = matrix.Transform(vertex->tangent, 0.f);
vertex++;
NzBoxf aabb;
if (vertexCount > 0)
{
aabb.Set(vertices->position);
vertices++;
for (unsigned int i = 1; i < vertexCount; ++i)
{
aabb.ExtendTo(vertices->position);
vertices++;
}
}
else
aabb.MakeZero();
return aabb;
}
void NzTransformVertices(NzMeshVertex* vertices, unsigned int vertexCount, const NzMatrix4f& matrix)
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)
NzTransformVertex(vertices++, matrix);
{
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>