public bool IsExtentsCross(Rect3D extents)
{
Rect3D sum = this + extents;
return((sum.XRange <= this.XRange + extents.XRange) && (sum.YRange <= this.YRange + extents.YRange) && (sum.ZRange <= this.ZRange + extents.ZRange));
}
public bool IsExtentsIn(Rect3D extents)
{
return(extents.min.X >= min.X && extents.min.Y >= min.Y && extents.max.X <= max.X && extents.max.Y <= max.Y && extents.min.Z >= min.Z && extents.max.Z <= max.Z);
}