Animate a transparency
Next, you'll apply an animated transparency effect to the star, so that it appears to pulsate. First, you'll decrease the star's life span and insert another keyframe in the star's timeline.Then, you'll apply a transparency to the star at the new keyframe. Last, you'll reverse the transparency, so that the star's center retains its opaqueness.
- In the Timeline Docker window, click the keyframe at frame 30 in the
star's timeline and drag it to frame 10.
- Click frame 5 in the star's timeline, and click the Insert keyframe button
to add a keyframe.
- Open the Interactive tools flyout
, and click the Interactive transparency tool
.
- From the Transparency type list box on the property bar, choose Radial.
- From the color palette, drag white to the start vector handle, and when the white square changes to a cursor, release the mouse button.
Click here to see a demonstration.
- From the color palette, drag black to the outward vector handle, and when the black square changes to a cursor, release the mouse button.
Click here to see a demonstration.
- Click the Play button
to preview the animation.
Click here to see what the effect should look like.
- Click the Stop button
to stop the preview.
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