Hi there,
Mikey Borup made a video somewhat connected to this. https://www.youtube.com/watch?v=LufL6vbtUso
Basically he used this expression and a slider control to control which keyframe is displayed.
key(clamp(effect(“Slider Control”)(“Slider”),1,numKeys))
This causes an instant change however, so as soon as the keyframe for slider in position 2 hits, then it pops to keyframe 2. My idea was to us this to switch between different key framed shapes via linear or some other interpolation. Like different states of a mouth. So keyframe 1 would be neutral, keyframe 2 would be smiling, and keyframe 3 would be frowning. So in a perfect world I could use expressions based off marker names to morph from a smile to a frown or from a frown to neutral.
I tried this expression in the Mask path linear(time,0,5, key(1),key(3)) thinking it would go from a neutral face to a frown in 5 seconds. Instead it gave me “Object of Type Object found where a Number, Array, or Property is needed”
Is my idea possible?
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