Konami Computer Entertainment Osaka, Inc.

Kabushiki Kaisha Konami Computer Entertainment Osaka

Katsuyoshi Endo

Hiroshi Tanibuchi

Naoki Nishikawa

Koji Toyohara

Kenji Fujioka

Isao Akada

Hideki Nagahama

Kazuo Iwasaki

Atsuko Chikawa

The present invention is for easily drawing a polygon model having borderlines at high-speed. The video game machine comprises a recording medium for enlarging the 3-D model where a normal vector of each polygon faces the outside at a predetermined enlargement ratio, overlaying a back model, where a normal vector of each polygon faces the inside, onto the above model and storing the integrated model as a framed model in advance, and a drawing processor for drawing only polygons facing the direction of the view point position of the virtual camera in a virtual game space on the monitor based on the drawing instructions of the framed model.

Computer readable storage medium storing 3-D game image processing program, 3-D game image processing method, video game machine, and 3-D game image processing program

A manual controller of a video game system has a plurality of control switches for controlling the motion of an image displayed on a display screen, and an analog joystick for designating a point in a given area on the displayed image. When the analog joystick is operated by the game player of the video game system, it is tilted to a position in a desired direction in a two-dimensional plane, and outputs a positional signal depending on the tilted position thereof. A coordinate transforming unit converts first and second two-dimensional coordinates of the tilted position respectively into third and fourth two-dimensional coordinates of an image position with respect to a predetermined reference position on the displayed image, with a first conversion constant for converting the first coordinate into the third coordinate and a second conversion constant, which is different from the first conversion constant, for converting the second coordinate into the fourth coordinate.

Apparatus for and method of designating a point on displayed image, and

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Ikeda, Japan

Katsuyoshi Endo