Namco Limited

Takeharu Kobayashi

Masaki Takeda

Komei Kato

An image synthesizing apparatus, an image synthesizing method and an information storage medium which can realize the representation of the front and back sides of a primitive surface while decreasing processing load. Whether the front or back side of a polygon (primitive surface) is to be displayed on a screen is judged. When the front side of the polygon is to be displayed, a first texture is mapped (on the polygon). On the other hand, if the back side of the polygon is to be displayed, a second texture is mapped (on the polygon). Thus, a realistic representation can be accomplished without increasing processing load. Depending on whether the front or back side of the polygon is to be displayed, various image information such as color palette, vertex brightness information, normal vector information lighting model parameter information and transparency information may be varied.

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Yamato, Japan

Takeharu Kobayashi