When drawing an image with alpha using the sprite control library (which enables pixel-perfect images/sprites in 3d environment), does the image have to be .PNG? I see no function for setting an "Image3D"-buffer and writing the alpha bytes of the pixels...
Also, is it as impossible as it seems to combine regular 2d images with the "3dimages" that sprite control uses? If I draw a 2dimage background it will not be seen (bkg is black) if I draw it where the example code comment says "draw 2d stuff here..." or it will cover the whole screen (no 3dimage visible) if I draw it after.
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