CALCULATION DEVICE AND CALCULATION METHOD FOR POSITION OF CONTROL POINT OF SKIN, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a calculation device or the like for position of a control point of a skin, varying shape of the skin near a connection point of connected two bones as naturally as possible. SOLUTION: This calculation device 801 calculates the position of the control point of the skin depending on a parent bone disposed in a virtual space and a child bone connected thereto in the connection point. An attitude change acquisition part 802 acquires a change of an attitude of the child bone to the parent bone. An attitude update part 803 varies an attitude of a line segment connecting the connection point and a virtual point such that the acquired attitude after the change and the attitude before the change of the child bone to the parent bone are interpolated to update a position of the virtual point having a constant distance from the connection point. A position output part 804 finds the position of the control point of the skin from the position of the virtual point, and outputs it. COPYRIGHT: (C)2007,JPO&INPIT