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PA- any way to slow in the middle of a transition?

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Brandt KruegerPA- any way to slow in the middle of a transition?
by on Sep 30, 2008 at 10:34:11 pm

Still pretty new to PA here, and hopefully we'll have the kinks worked out soon. Meantime, how about a "how to" question?

Is there any way to slow down the middle of a transition? Using easing one can slow down the beginning or the end of one, but what about the middle? Or maybe I'm missing something really stupid...


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Jon OkerstromRe: PA- any way to slow in the middle of a transition?
by on Oct 1, 2008 at 1:11:50 am

Hi Brandt,

PA hides the math from us, but we can use logic to try to answer this question:

One factor you have to consider is that the object must get from pose A to pose B in the transition time you determine. As you've suggested, using the ease function affects the starting and stopping motion, but doing a lot of easing (slowing the motion on the ends) will by necessity speed up what happens in the middle of the transition.

One solution - spread out the poses to allow the move to take more time overall.

Another solution - shorten the length of the path between the poses. This will slow down the motion.

Another solution - reduce the easing in and out of the poses. Doing this may have some effect, depending on how much easing you're doing.

All of this theory makes sense to me - how about you?


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Brandt KruegerRe: PA- any way to slow in the middle of a transition?
by on Oct 8, 2008 at 2:08:20 pm

Hi Jon (and anyone else that might have some ideas!)

I think you're logic is correct as far as slowing down the entire clip, but I think what I'm really looking for is "negative easing". Start fast, slow down, end fast. The easing actually will take a negative number, but it doesn't seem to work- no matter what the time sliders are set at you get a big jump, then steady speed, then big jump (with no ramping).

Basically what I have is an 3D object with a LOT of parts. A variation of the barrage animation looks awesome, but the client wants each part of the object to zoom into frame, hang for a second or so, then zoom into position. I'm hoping to figure out a way to take advantage of the cascade abilities of PAFx to avoid making a bagillion individual movies...

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