polyvox/source/SurfaceVertex.cpp
2007-08-31 22:19:47 +00:00

101 lines
2.5 KiB
C++

#include "Constants.h"
#include "SurfaceVertex.h"
namespace Ogre
{
SurfaceVertex::SurfaceVertex()
{
}
SurfaceVertex::SurfaceVertex(UIntVector3 positionToSet)
:position(positionToSet)
{
}
SurfaceVertex::SurfaceVertex(UIntVector3 positionToSet, Vector3 normalToSet)
:position(positionToSet)
,normal(normalToSet)
{
}
bool SurfaceVertex::operator==(const SurfaceVertex& rhs) const
{
//We dont't check the normal here as it may not have been set. But if two vertices have the same position they should have the same normal too.
/*return
(
(position.x == rhs.position.x) &&
(position.y == rhs.position.y) &&
(position.z == rhs.position.z) //&&
//(abs(alpha - rhs.alpha) <= 0.01)
);*/
/*ulong value = 0;
value |= position.x;
value << 10;
value |= position.y;
value << 10;
value |= position.z;
ulong rhsValue = 0;
rhsValue |= rhs.position.x;
rhsValue << 10;
rhsValue |= rhs.position.y;
rhsValue << 10;
rhsValue |= rhs.position.z;
return value == rhsValue;*/
unsigned long offset = (position.x*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (position.y*(OGRE_REGION_SIDE_LENGTH*2+1)) + (position.z);
unsigned long rhsOffset = (rhs.position.x*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (rhs.position.y*(OGRE_REGION_SIDE_LENGTH*2+1)) + (rhs.position.z);
return offset == rhsOffset;
}
bool SurfaceVertex::operator < (const SurfaceVertex& rhs) const
{
/*if((*this) == rhs)
{
return false;
}
if(alpha < rhs.alpha)
{
return true;
}*/
/*if(position.z < rhs.position.z)
{
return true;
}
if(position.y < rhs.position.y)
{
return true;
}
if(position.x < rhs.position.x)
{
return true;
}
return false;*/
/*ulong value = 0;
value |= position.x;
value << 10;
value |= position.y;
value << 10;
value |= position.z;
ulong rhsValue = 0;
rhsValue |= rhs.position.x;
rhsValue << 10;
rhsValue |= rhs.position.y;
rhsValue << 10;
rhsValue |= rhs.position.z;
return value < rhsValue;*/
unsigned long offset = (position.x*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (position.y*(OGRE_REGION_SIDE_LENGTH*2+1)) + (position.z);
unsigned long rhsOffset = (rhs.position.x*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (rhs.position.y*(OGRE_REGION_SIDE_LENGTH*2+1)) + (rhs.position.z);
return offset < rhsOffset;
}
}