/// <summary>
/// Return all voxels matching the given voxelselector delegate.
/// </summary>
/// <param name="VoxelSelector">A delegate selecting which voxels to return.</param>
public IEnumerable <IVoxel <T> > Get(VoxelSelector <T> VoxelSelector)
{
#region Initial Checks
if (VoxelSelector == null)
{
throw new ArgumentNullException("The given VoxelSelector must not be null!");
}
#endregion
#region Check embedded voxels
foreach (var _Voxel in EmbeddedVoxels)
{
if (VoxelSelector(_Voxel))
{
yield return(_Voxel);
}
}
#endregion
#region Check subtrees
if (Subtree1 != null)
{
foreach (var _Voxel in Subtree1.Get(VoxelSelector))
{
yield return(_Voxel);
}
}
if (Subtree2 != null)
{
foreach (var _Voxel in Subtree2.Get(VoxelSelector))
{
yield return(_Voxel);
}
}
if (Subtree3 != null)
{
foreach (var _Voxel in Subtree3.Get(VoxelSelector))
{
yield return(_Voxel);
}
}
if (Subtree4 != null)
{
foreach (var _Voxel in Subtree4.Get(VoxelSelector))
{
yield return(_Voxel);
}
}
#endregion
}
/// <summary>
/// Return all voxels within the given cube.
/// </summary>
/// <param name="Cube">A cube selecting which voxels to return.</param>
public IEnumerable <IVoxel <T> > Get(ICube <T> Cube)
{
#region Initial Checks
if (Cube == null)
{
throw new ArgumentNullException("The given cube must not be null!");
}
#endregion
#region Check embedded voxels
foreach (var _Voxel in EmbeddedVoxels)
{
if (Cube.Contains(_Voxel))
{
yield return(_Voxel);
}
}
#endregion
#region Check subtrees
if (Subtree1 != null)
{
if (Subtree1.Overlaps(Cube))
{
foreach (var _Voxel in Subtree1.Get(Cube))
{
yield return(_Voxel);
}
}
}
if (Subtree2 != null)
{
if (Subtree2.Overlaps(Cube))
{
foreach (var _Voxel in Subtree2.Get(Cube))
{
yield return(_Voxel);
}
}
}
if (Subtree3 != null)
{
if (Subtree3.Overlaps(Cube))
{
foreach (var _Voxel in Subtree3.Get(Cube))
{
yield return(_Voxel);
}
}
}
if (Subtree4 != null)
{
if (Subtree4.Overlaps(Cube))
{
foreach (var _Voxel in Subtree4.Get(Cube))
{
yield return(_Voxel);
}
}
}
if (Subtree5 != null)
{
if (Subtree5.Overlaps(Cube))
{
foreach (var _Voxel in Subtree5.Get(Cube))
{
yield return(_Voxel);
}
}
}
if (Subtree6 != null)
{
if (Subtree6.Overlaps(Cube))
{
foreach (var _Voxel in Subtree6.Get(Cube))
{
yield return(_Voxel);
}
}
}
if (Subtree7 != null)
{
if (Subtree7.Overlaps(Cube))
{
foreach (var _Voxel in Subtree7.Get(Cube))
{
yield return(_Voxel);
}
}
}
if (Subtree8 != null)
{
if (Subtree8.Overlaps(Cube))
{
foreach (var _Voxel in Subtree8.Get(Cube))
{
yield return(_Voxel);
}
}
}
#endregion
}