抄録
Spatial key-framing is one of the methods for generating animation of CG characters, in which a control point corresponding to a full body posture is defined in a workspace, and animation is generated by moving the control point in the workspace. In this paper, we try to develop a CG character animation by generating a trajectory of the control point semi-automatically interacting with a user. We introduce a nonlinear oscillator (van der Pol equation) for the trajectory generation, and evaluate how much it can create a variety of motion and how much it can reflect a user intention, through a computer simulation.
