From the course: 12 Principles of Animation for CG Animators

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Using tangents to control slows/fasts

Using tangents to control slows/fasts

From the course: 12 Principles of Animation for CG Animators

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Using tangents to control slows/fasts

- [Narrator] Adapting the principle of slow in and out to animation software is quite easy. In many animation packages, there's a way to manipulate something called key frame tangents. Tangents allow you to control the way your animation moves from one key frame to the next. Let's look at our ball from our previous chapters. Now if you're paying attention, you'll see that the first bounce feels kind of soft while all the other ones have a nice hard bounce to them. What's going on is that right as soon as the ball's about to leave the ground, it just slowly pulls out. Now if you remember our video reference, balls almost immediately pop out of the ground the moment they bounce back up. So we're gonna wannna highlight these two key frames here and convert them to linear tangents. That will make it so that the ball immediately pops out of the ground. Now if you look at this arc, it looks kind of nice but it looks a little bit like a triangle, whereas all of these other arcs over here…

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