2 In any viewport, select the asteroid then right-click and choose Object
Properties from the quad menu.
3 In the Object Properties dialog > Rendering Control group, right-click
the Visibility spinner arrows to set this value to 0.0.
A red outline appears around the spinner arrows to indicate an animation
key has been set.
4 Click OK to close the Object Properties dialog.
5 Turn off Auto Key.
Adjust the new visibility keys:
1 In the track bar, under the time slider, right-click the key at frame 0.
Choose Sphere01: Visibility.
2 If necessary, set the Value to 1.0.
3 Click the Out interpolation icon and choose Stairstep from the flyout.
576 | Chapter 4 Animation Tutorials
