This type of extensions create geometry on-the-fly at render time. They are used to render objects described by mathematical expressions rather than vertices and faces. This class is defined in mx_geometryextension.h
| Code Block |
|---|
class CgeometryProceduralExtension : public CbaseExtension
{
public:
virtual bool intersect( Cmaxwell::Cobject* object, const Cpoint& rayOrigin, const Cvector& dir, real time, const dword subVolumeIndex, Cvector* pNormal, Cvector* pLocalImpact, CfVector &data, Cvector& parametricUVW, Cvector& tangentU, Cvector& tangentV ) = 0;
virtual void getBoundingBox( Cpoint *bboxPoints, float time ) = 0;
virtual dword getNumSubVolumes( void )
{
return 1;
};
virtual void getSubVolumeBoundingBox( Cpoint *bboxPoints, dword subVolumeIndex, float time )
{
getBoundingBox( bboxPoints, time );
};
virtual byte getNumberOfUVGenerators( void )
{
return 0;
};
virtual const char* getUVGeneratorName( byte index )
{
return NULL;
};
virtual byte getUVForChannel( CfVector& uvw, const Cpoint& point, const Cpoint& normal, dword iGenerator, dword subVolIndex, const Cvector& parametricUVW )
{
uvw.assign( 0.f, 0.f, 0.f );
return 1;
};
virtual bool isOverlappingBoundingBox( const Cpoint *bboxPoints, dword subVolumeIndex, bool forceHalfTime )
{
return true;
};
virtual bool getProxyDisplayPoints( const dword& percent, const dword& maxPoints, dword& nPoints, float*& points )
{
return false;
};
virtual bool getProxyDisplayLines( const dword& percent, const dword& maxLines, dword& nPoints, float*& points, dword& nLines, dword*& pointsPerLine )
{
return false;
}
virtual bool getProxyDisplayFaces( const dword& percent, const dword& maxFaces, dword& nPoints, float*& points, dword& nFaces, dword*& faces )
{
return false;
}
}; |
...