View-Based Animation
نویسنده
چکیده
We present a technique for animating objects that is based on the concept of viewpoint rather than on time. Object properties are computed as a function of the viewpoint. The viewpoint, in turn, is controlled manually or is programmed to change as a function of time. This allows objects in a flythrough or zooming interface to be animated selectively. The speed of the animation is controlled by the viewer, and the animation can be run forwards or backwards and can be stopped, started and stepped by manipulating the view controls. This technique is not intended to replace timebased animation, but is rather to be used in special cases or in conjunction with time-based animation.
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