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I rendered my animation in 30FPS then found it hard to match the narrative exactly.

So I like to speed up some parts and slow down others, then I need enough frames to do so. So now I like to re-render every scene in a higher frame rate, from the original 30 FPS to 60 FPS.

But I have a lot of keyframes in every scene, so I wonder if there is any magic button that can make the keyframes know where they should be after I increase FPS to 60.

Edit 1 day after:

What I want to know really is how to move the keyframe to its position after I increase the frame FPS to 60, then I found a simple solution, select everything in the scene and move to the timeline and scale all keyframes 2 times.

I am making a machine visualization, the scene is heavy and there are many keyframes in the timeline - something for curve animation, something for shader mixing, and of course many transformations, I am not sure if my method(SX2) can conclude every keyframe.

Thanks!

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1 Answer 1

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In Output > Frame Range > Time Stretching you can determine a new speed for your animation, for example if you choose 50/100 (or 1/2 which would be the same) you'll have twice as many images. Make sure that you move the End Frame though, otherwise the calculation will stop at the current frame you've set as End frame:

enter image description here

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  • $\begingroup$ Thank you for your answer! What I want to know really is how to move the keyframe to its position after I increase the frame FPS to 60, then I found a simple solution, just scale it 2 times. I am making a machine visualization, the scene is heavy and there are many keyframes in the timeline - something for curve animation, something for shader mixing, and of course many transformations, I am not sure if my method(SX2) can conclude every keyframe. $\endgroup$
    – Quan Lee
    Commented Feb 27, 2023 at 6:56
  • $\begingroup$ By saying scale it 2 times I mean select all the objects in the scene and move to the timeline, again select every keyframe there and scale(Press S) 2 times. $\endgroup$
    – Quan Lee
    Commented Feb 27, 2023 at 7:04

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