If I wanted to show that this donut was rolling, how would I do this? I could bump it up a pixel then down a pixel to give a bumpyness effect to it but just what is a realistic way of showing perfectly rounded objects rolling? Hmm...
Add some anomalies to it so you can see it rotate. If it's the same colours for the same parts the whole way around it won't look like its spinning - its like spinning a red cirle or something :\ It'll just look like its moving.
Also you could make certain frames where it ISN'T perfectly round? Like on the 'bobbing' one or before/after for example.