Y. Okada (Japan)
Character animation, Motion generation, Virtual character, Marionette, Puppet, Interface
For computer animation creation, character-motion design is very laborious work. So the author has proposed new motion generation method using a puppet metaphor [1]. This method uses the set of a data-glove and a magnetic motion sensor as a real-time input device. The user creates the motion of an articulated figure by his/her hand action like playing a puppet. However, the number of a hand's joints is not enough to fully control an articulated figure. Any other metaphor or constraints are necessary to more effectively generate the motion of an articulated figure. Actually in the real world, a human action is performed in the gravity field and usually on a floor or the ground. Similarly a marionette action is also performed based on the physics of the gravity and the ground contact constraint and the marionette action has enough reality as one of entertainments. In this way, to introduce the physical constraint of the gravity and the ground contact is one of solutions that make it easier to generate the motion of an articulated figure. In this paper, the authors propose such motion generation method using a marionette metaphor besides a puppet metaphor.
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