FLIPA was created to demonstrate the use of alpha textures. Similar to ATEST, it uses the standard spinning cube instead of a sphere. FLIPA allows you to turn on alpha, specify an alpha texture, and then use the Src Alpha and Dest Alpha menus to specify alpha blending modes. Choosing the standard Src Alpha=SrcAlpha and Dest Alpha=InvSrcAlpha causes the cube to become transparent as a result of the use of the alpha channel in the textures.
