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Why is this happening….(movement beyond keyed movement)
Basically.. I want to animate a layer moving up vertically. To give it a little bounce, I key it at its start position, then i key it at its highest vertical position, then one last key of the layer settled into it’s final position, which is a few pixels below the highest point. But for some extremely irritating reason, when i do a playback, the layer jumps up beyond it’s highest keyed point by about 20 pixels before beginning to move down to it’s final keyed position. why, why, WHY???
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6 Replies
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Check out the Creative Cow Podcast “The Boomerang Effect”, this sounds like what you’re encountering, it’s to do with the spacial interpolation, the podcast answers all
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check your anchor point position. This has happend to me on a few occasions. Also try animating a null object then parent your layer to the null!
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You seem to be suffering from the downside to bezier splines.
If your position keys are bezier then they have handles and so that top point may have one handle pointing down and one pointing strait up.What that would do is that just before your position gets to your top point it has to go over it and then back down.
I’d check your point’s spatial interpolation.
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I recommend enabling “Default Spatial Interpolation to Linear” in your Preferences > General tab. The issue is that the keyframes are creating auto-bezier curves… and doing a bad job of it =)
Darby Edelen
Lead Designer
Left Coast Digital
Santa Cruz, CA -
I guess nobody wants to give you a direct answer 🙂
right click on the keyframe and change its interpolation to linear.
Joey
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thank you!!!
I know it’s such a small thing, but it was litterally causing me to have to go to my punching bag to blow steam!
Thanks again!
“Why take life so seriously? None of us is getting out alive anyway….”
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