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Whenever you animate with key frames, even though the speed can vary, it's always only a straight line, so the end result usually looks jagged in some way. Is there a way to make an animation keyframe from point A to point B make the shape of some kind of subtle arc rather than just a straight line?

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Use the Graph Editor to edit the animation curves. This will allow you to have full control over the shape of the animation. In the graph editor you can select a specific channel (such as the Z Location) and can then add keyframes by way of the Key/Insert Keyframe menu (or I shortcut) and these can be manipulated by grabbing and rotating the bezier handles (assuming it's set to Bezier - the default interpolation mode).

graph editor

Once you've adjusted the curve it is useful to use the Motion Paths panel to visualise the new path (as in LeoNas's answer).

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You have play with Motion paths

Click the butom calculate. It will generate the path.

Position a new keyframe in between two keyframes, and **update paths.

So you will create a curved path instead a straight line animation.

See the imagem below.

enter image description here

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  • $\begingroup$ How does this work for rotating bones? $\endgroup$ – DaneJoe Oct 10 '17 at 1:26
  • $\begingroup$ I think it is useful for IK bones or any unconnected bones as the main bone. You cannot make an arc with a connected bone because its pivot $\endgroup$ – LeoNas Oct 10 '17 at 16:23

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