Originally Posted By: Germanunkol
hm... why does it switch colors when rotating? Is it supposed to do that?


That has to do with alpha-sorting. When you rotate the RGB cube so that the white corner faces the camera, the darker particles are "fighting" against the brighter particles. Has anyone an idea to fix that? Maybe I use a 1-bit alpha DDS image...

Best regards (and thanks for the comments),
-- Christian