| 摘要 |
Animation data is produced in a data processing system having storage, a processing unit, a visual display unit (202) and input devices (203, 204). A simulated three-dimensional world-space is displayed to a user and an animatable actor is displayed in the world-space. Specifying input data is received from a user specifying desired locations and desired orientations of the actor in the world-space at selected positions along the time-line. First animation data is generated, preferably by a process of inverse kinematics. Animation of the actor is displayed in response to the generated first animation data. Parametric constraining data is received that selects an animation parametric constraint, such as the extent to which an actor's feet may slip. Defining data is received defining different values of parametric constrain at different identified positions along the time-line. The processor generates new constrained animation data in response to the defined values.
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