void UniformGrid<T,CellType>::InitGrid(const AABB3<T> &boundingBox, const AABB3<T> &element)
{
m_dCellSize = 2.0 * element.getBoundingSphereRadius();
m_bxBox = boundingBox;
int x = (2.0*m_bxBox.extents_[0]+m_dCellSize)/m_dCellSize;
int y = (2.0*m_bxBox.extents_[1]+m_dCellSize)/m_dCellSize;
int z = (2.0*m_bxBox.extents_[2]+m_dCellSize)/m_dCellSize;
// int nGhostLayerCells = (2 * xy + 2 * xz + 2 * yz) + (4 * x + 4 * y + 4 * z) + 8;
// pass a bounding box that is m_dCellSize bigger in each dimension
m_pCells = new CellType[x*y*z];
// printf("cell size: %f\n",m_dCellSize);
// printf("domain extends : %f %f %f\n",boundingBox.extents_[0],boundingBox.extents_[1],boundingBox.extents_[2]);
// printf("element extends : %f %f %f\n",element.extents_[0],element.extents_[1],element.extents_[2]);
// printf("Dimensions : %d %d %d\n",x,y,z);
// printf("Number of cells in uniform grid : %d\n",x*y*z);
m_iDimension[0] = x;
m_iDimension[1] = y;
m_iDimension[2] = z;
m_iTotalEntries=0;
}
UniformGrid<T,CellType>::UniformGrid(const AABB3<T> &boundingBox, const AABB3<T> &element)
{
m_dCellSize = 2.0 * element.getBoundingSphereRadius();
int x = (m_bxBox.extents_[0]+m_dCellSize)/m_dCellSize;
int y = (m_bxBox.extents_[1]+m_dCellSize)/m_dCellSize;
int z = (m_bxBox.extents_[2]+m_dCellSize)/m_dCellSize;
int xy = x*y;
int xz = x*z;
int yz = y*z;
// pass a bounding box that is m_dCellSize bigger in each dimension
m_pCells = new CellType[x*y*z];
m_iTotalEntries=0;
}
