transition through the keyframe.
Auto Bezier: This method creates a smooth rate of change through a keyframe even if
you change the keyframe value. If you choose to manually adjust the keyframe’s
handles, it changes to a Continuous Bezier point, retaining the smooth transition
through the keyframe. The Auto Bezier option can occasionally produce unwanted
motion, so try one of the other options first.
Hold: This method changes a property value without a gradual transition (a sudden
effect change). The graph following a keyframe with the Hold interpolation applied
appears as a horizontal straight line.
Ease In: This method slows down the value changes entering a keyframe and
converts it to a Bezier keyframe.
Ease Out: This method gradually accelerates the value changes leaving a key-frame
and converts it to a Bezier keyframe.9. Play back the animation to watch the changes you’ve made.Let’s refine the keyframes with the Velocity graph.
Hover the pointer over the Effect Controls panel and then, if your keyboard has the key,
press ` (accent grave) to maximize the panel full-screen; or double-click the panel name.
This will give you a clearer view of the keyframe controls.
If necessary, click the disclosure triangles next to the Flare Center and Flare Brightness
properties to show the adjustable properties.
The Velocity graph shows the velocity between keyframes. Any sudden drops or jumps
represent sudden changes in acceleration—jerks, in physics parlance. The farther the point
or line is from the center, the greater the velocity.- Select a keyframe and then adjust its extended handle to change the steepness of the
velocity curve.
After adjusting the second keyframe for the Flare Center control
Press the ` (accent grave) key, or double-click the panel name, to restore the Effect Controls
panel.
Play back your sequence to see the impact of your changes. Experiment some more until
you have the hang of keyframes and interpolation.