Animating Terrain Clipping

The setting of the Terrain Clipping Bracket can also be animated. As areas of the terrain are clipped, they're removed from the terrain object in the scene. Your terrain will look like it's breaking up, or like portions it are falling into the sea. For example, the gradual destruction of this island was created by changing the length of the clipping bracket at different points in the Timeline.

To animate terrain clipping:

1. Click a terrain object.
2. Click the triangle icon in the Animation Controls and make sure Auto-Key is enabled.
   
   
3. Click the button that appears next to the terrain object's bounding box. The Terrain Editor appears.
4. Move the Current Time Indicator to the point in the Timeline where you want the terrain to change.
5. If the Clipping Bracket is not visible, click on the Display Clipping Bracket button at the top right of the Terrain Canvas.
   
   
6. Click+drag up on the bottom of the Clipping Bracket to adjust the length of the Clipping Bracket.
   
   
   
   
7. Move the Current Time Indicator to a different point on the Timeline.
8. Change the length of the bracket again.
9. Continue moving the Current Time Indicator and changing the length of the bracket until you achieve the desired effect.
10. Click the OK icon to exit the editor.

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