| 摘要 |
A center position used for scaling a virtual object is calculated to generate a CG image suitable for observing the perspective of the virtual object. A scaling center of a virtual object disposed in a virtual space is obtained. When an image containing the virtual image corresponding to the position of a viewpoint is generated, the coordinate value of the scaling center is obtained in accordance with the viewpoint, and by using the coordinate value of the scaling center, the scaling process is executed for the virtual object.
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