PROGRAM, INFORMATION STORAGE MEDIUM AND GAME DEVICE

PROBLEM TO BE SOLVED: To realistically express a water place such as sea or a lake changed in view according to a change of a visual point position or visual line direction without impairing the feeling of distance with the water place. SOLUTION: Of a geographic model constituting a surface ground i...

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creator MATSUNO TOSHIAKI
description PROBLEM TO BE SOLVED: To realistically express a water place such as sea or a lake changed in view according to a change of a visual point position or visual line direction without impairing the feeling of distance with the water place. SOLUTION: Of a geographic model constituting a surface ground in a virtual space, a water surface part is defined by an opaque polygon. The color of the water surface is determined by a virtual body 40. When generating a game image, the virtual body 4 is drawn, and the geographic model is then drawn. At that time, the virtual body 40 is set to a substantially hemispherical shape, a bottom point 44 is set to a dark color, and an upper bottom circumference 42 is set to a bright color to gradually change the color from the bottom point 44 to the upper bottom circumference 42. The virtual body 40 is arranged in the virtual space following the vertical down direction of a visual point 10 so that the bottom point 44 is vertically down. COPYRIGHT: (C)2003,JPO
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SOLUTION: Of a geographic model constituting a surface ground in a virtual space, a water surface part is defined by an opaque polygon. The color of the water surface is determined by a virtual body 40. When generating a game image, the virtual body 4 is drawn, and the geographic model is then drawn. At that time, the virtual body 40 is set to a substantially hemispherical shape, a bottom point 44 is set to a dark color, and an upper bottom circumference 42 is set to a bright color to gradually change the color from the bottom point 44 to the upper bottom circumference 42. The virtual body 40 is arranged in the virtual space following the vertical down direction of a visual point 10 so that the bottom point 44 is vertically down. 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subjects AMUSEMENTS
CARD, BOARD, OR ROULETTE GAMES
GAMES
GAMES NOT OTHERWISE PROVIDED FOR
HUMAN NECESSITIES
INDOOR GAMES USING SMALL MOVING PLAYING BODIES
SPORTS
VIDEO GAMES
title PROGRAM, INFORMATION STORAGE MEDIUM AND GAME DEVICE
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