You could try to do mathematical rotations at run time, but you will quickly discover that someof the pieces rotate around a central block (j, l, s, t and z), whilst others rotate around apoint between blocks (i and o).
You could try to do mathematical rotations at run time, but you will quickly discover that someof the pieces rotate around a central block (j, l, s, t and z), whilst others rotate around apoint between blocks (i and o).