The size of the box that covers the whole mesh is simply the difference between the max and the min position: vec3 size = max - min;.
Now from that you can get the extents simply by halfing the size: vec3 extents = size * 0.5f;
The size of the box that covers the whole mesh is simply the difference between the max and the min position: vec3 size = max - min;.
Now from that you can get the extents simply by halfing the size: vec3 extents = size * 0.5f;