public int GetNeighbor(int index, eNeighborDirection neighborDirection)
{
Vector3 neighborPos = GetCellCenter(index);
switch (neighborDirection)
{
case eNeighborDirection.kLeft:
ConvertUtils.AccumulateH(ref neighborPos, -m_cellSize);
break;
case eNeighborDirection.kTop:
ConvertUtils.AccumulateV(ref neighborPos, m_cellSize);
break;
case eNeighborDirection.kRight:
ConvertUtils.AccumulateH(ref neighborPos, m_cellSize);
break;
case eNeighborDirection.kBottom:
ConvertUtils.AccumulateV(ref neighborPos, -m_cellSize);
break;
default:
System.Diagnostics.Debug.Assert(false);
break;
}
;
int neighborIndex = GetCellIndex(neighborPos);
if (!IsInBounds(neighborIndex))
{
neighborIndex = (int)eNeighborDirection.kNoNeighbor;
}
return(neighborIndex);
}
private int GetNeighbor(int index, eNeighborDirection neighborDirection)
{
Vector3 neighborPos = GetCellCenter(index);
switch (neighborDirection)
{
case eNeighborDirection.kLeft:
neighborPos.x -= m_cellSize;
break;
case eNeighborDirection.kTop:
neighborPos.z += m_cellSize;
break;
case eNeighborDirection.kRight:
neighborPos.x += m_cellSize;
break;
case eNeighborDirection.kBottom:
neighborPos.z -= m_cellSize;
break;
default:
System.Diagnostics.Debug.Assert(false);
break;
}
;
int neighborIndex = GetCellIndex(neighborPos);
if (!IsInBounds(neighborIndex))
{
neighborIndex = (int)eNeighborDirection.kNoNeighbor;
}
return(neighborIndex);
}
private int GetNeighbor(int index, eNeighborDirection neighborDirection)
{
Vector3 neighborPos = GetCellCenter(index);
switch (neighborDirection)
{
case eNeighborDirection.kLeft:
neighborPos.x -= m_cellSize;
break;
case eNeighborDirection.kTop:
neighborPos.z += m_cellSize;
break;
case eNeighborDirection.kRight:
neighborPos.x += m_cellSize;
break;
case eNeighborDirection.kBottom:
neighborPos.z -= m_cellSize;
break;
default:
System.Diagnostics.Debug.Assert(false);
break;
};
int neighborIndex = GetCellIndex(neighborPos);
if ( !IsInBounds(neighborIndex) )
{
neighborIndex = (int)eNeighborDirection.kNoNeighbor;
}
return neighborIndex;
}