After effects wiggle keyframe help!

Question

So, I’ve got a Null (Wiggle Null) controlling a whole scene. I’d like animate the wiggle so that it gradually gets more intense.

I’ve currently got the wiggle set up with 2 sliders controlling frequency and amount. This is how it looks:

wiggle(effect("Speed")("Slider"),effect("Amount")("Slider"))

However, when I animate the keyframes, the time between keyframes is filled with a really jolty motion until it reaches the end keyframe!

I thought maybe it was because the numbers on the slider were not whole numbers, so I used this on each slider:

Math.round(effect("Speed")("Slider"))

But to no avail!

Can anyone help? What am I doing wrong?

Sami

Justin Taylor-Hyper Brew · Answer

Maybe your keyframe interpolation is messing up. Go to the graph editor and check out what's happening.

If it's choppy, try seelcting your keyframes and right click > "Keyframe Interpolation" and set all to Linear.

If that doesn't do it, could be some sort of framerate issue. Make sure your comps / precomps are the same framerate.

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