Invisible escribió:
> Nicolas Alvarez wrote:
 > > Note that morphs cannot be played backwards and make sense.
 > Yes they can. But MPEG-2 doesn't make that real easy...

I know MPEG doesn't make it easy, but they wouldn't make sense anyway- 
Try it. Make a video of A, A, B->A backwards, B, B. See if the morph 
looks OK.

>> A->B and B->A videos are different, so both are needed if you wanted 
>> all possible combinations.
> 
> They *can* be different, but no mathematical law that says they must be. 
> (However, ES seems to implement it this way.)

In the way ES works, the loop is "rotating". The morph is interpolating 
sheep A to sheep B and *also* rotating. If you play it backwards, it 
would be rotating backwards, and the sudden jump in "direction" is 
really noticeable.

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