Hope this works my friend! Remember each object in a Bryce animation can have their own set key frames. When you play the sequence from the top view the camera will remain stationary and the waves will move toward the camera. In camera view. . . it should be cool!
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D. Move time line slider to the end of the animation. Drag the terrain upward until the camera is positioned as illustrated. You should now see the terrain's movement indicator. Set second key frame . Play.