Apply different eases to sections of a tween? Please help.

Question

Flash CS4 has a feature where a tween can have more than two keyframes. If a tween has three keyframes, then changing keyframe 2 will affect the motion from keyframes 1 to 2 as well as the motion from keyframes 2 to 3. This is a very cool feature.
But there's one problem: I can only figure out how to apply an ease to the entire tween, not to the motion between two keyframes. Do you know how I can apply one ease to the motion between keyframes 1 and 2, and a different ease (or the same one a second time) to the motion between keyframes 2 and 3?
I've had two ideas so far for getting the same result:
1) Make a custom ease that includes all the eases I want. I find this too cumbersome and imprecise, unless there's a way to copy an existing curve into the space between two keyframes of a second curve (without replacing the whole second curve).
2) Split the tween at each keyframe. But then every time I want to adjust keyframe 2 I have to do it twice, and sometimes the break ends up jerking slightly. I'd really rather keep keyframe 2 a shared keyframe.
Any other ideas? Thanks.

Answer 1

Hey there,
If you're easing properties that are not X, Y, Z, the easiest way to do this is to just make the property keyframes smooth - the curve will ease the property into and out from that keyframe.
Spatial properties would need the custom ease. The snapping feature in the custom ease graph will hopefully make this a bit easier if you aren't using it already. Please see my blog post for details: http://flashthusiast.com/2008/11/20/flash-cs4-how-to-ease-between-keyframes-using-new-moti on-tweens/
We realize this is cumbersome for the spatial properties, and it's something we're working on for future revisions of new motion.
Jen.