AnotherFoxGuy/polyvox
1
0
Fork 0
Code Issues Pull Requests Activity

Optimisations to the MeshDecimator.

Browse Source
This commit is contained in:
David Williams
2011-01-06 21:41:53 +00:00
parent 149dde9460
commit 2b70409baa
2 changed files with 81 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
library/PolyVoxCore/include/MeshDecimator.h
View File

@ -92,6 +92,48 @@ namespace PolyVox
uint32_t v2;
Vector3DFloat normal;
};
struct IntVertex
{
int32_t x;
int32_t y;
int32_t z;
uint32_t index;
IntVertex(int32_t xVal, int32_t yVal, int32_t zVal, uint32_t indexVal)
:x(xVal)
,y(yVal)
,z(zVal)
,index(indexVal)
{
}
bool operator==(const IntVertex& rhs) const
{
return (x == rhs.x) && (y == rhs.y) && (z == rhs.z);
}
bool operator<(const IntVertex& rhs) const
{
if (z < rhs.z)
return true;
if (rhs.z < z)
return false;
if (y < rhs.y)
return true;
if (rhs.y < y)
return false;
if (x < rhs.x)
return true;
if (rhs.x < x)
return false;
return false;
}
};
public:
///Constructor
MeshDecimator(const SurfaceMesh<VertexType>* pInputMesh, SurfaceMesh<VertexType>* pOutputMesh, float fEdgeCollapseThreshold = 0.95f);
@ -125,7 +167,7 @@ namespace PolyVox
std::vector<uint32_t> vertexMapper;
std::vector<Triangle> m_vecTriangles;
std::vector< list<uint32_t> > trianglesUsingVertex; //Should probably use vector of vectors, and resise in advance.
std::vector< std::vector<uint32_t> > trianglesUsingVertex; //Should probably use vector of vectors, and resise in advance.
std::vector<InitialVertexMetadata> m_vecInitialVertexMetadata;