you'd probably want to have a key frame somewhere in there that the "loop" starts at once it passes initially. essentially if you have a ten frame ani.....when it starts it starts with frame 0, and then goes through all of the frames, but when it loops back it notices that i set frame 3 as the key frame and it starts the second, and all subsequent runs there. Basically this would be useful for something likje say....a stargate....whereas the first 2 frames are the Stargate opening, and the rest are the event horizon.......i know not realistic with so few frames, but you get the idea, without that keyframe in there we would see the stargate open and then the event horizon, and the stargate open again, etc etc etc. With the key frame we see it open once only...the rest of the frames just keep playing so all we see is the event horizon. You can do this just as easily. My thought is, if you take the first few frames of the Warp opening, and add your flare, then put your key frame in after the flares....only the original warp frames would play. So we would see it open with the bright beautiful flare, but the flare would go out and the warp effect would continue until the ship passed completely through it.
