- Understanding Interpolation
- Interpolation Types
- Specifying the Default Spatial Interpolation
- Specifying Spatial Interpolation in the Motion Path
- Using the Graph Editor: An Overview
- Understanding Value and Speed Graphs
- Viewing Property Graphs
- Specifying the Graph Type
- Viewing Optional Information in the Graph Editor
- Moving Keyframes in the Graph Editor
- Adding and Removing Keyframes in the Graph Editor
- Separating a Position’s Dimensions
- Setting a Keyframe’s Temporal Interpolation Type
- Adjusting Temporal Interpolation Manually
- Applying Keyframe Assistants
- Smoothing Motion with Roving Keyframes
Applying Keyframe Assistants
Adding slight deceleration to soften or ease the speed into and out of keyframes is such a commonly used technique that After Effects has provided the following keyframe assistants to automate the task:
- Easy Ease—Smooths both the keyframe’s incoming and outgoing interpolation.
- Easy Ease In—Smooths the keyframe’s incoming interpolation.
- Easy Ease Out—Smooths the keyframe’s outgoing interpolation.
Try employing a keyframe assistant and observing its effects on a layer’s property graph and animation.
To apply a keyframe assistant in the Graph Editor:
- In the Graph Editor, select the keyframes to which you want to apply a keyframe assistant (Figure 9.78).
- At the bottom of the Graph Editor, click the icon that corresponds to the keyframe assistant you want to use (Figure 9.79):
- Easy Ease
- Easy Ease In
- Easy Ease Out
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Figure 9.78 Select the keyframes you want to ease with a keyframe assistant. This keyframe uses linear interpolation.
The icons and graphs associated with the selected keyframes reflect your choice, and the animation plays accordingly (Figure 9.80).
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Figure 9.79 In the Graph Editor, select the icon that corresponds to the keyframe assistant you want to apply.
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Figure 9.80 The selected keyframe’s interpolation is adjusted according to your choice. The linear interpolation pictured in Figure 9.78 looks like this after you apply keyframe assistants.