| 摘要 |
<p>PROBLEM TO BE SOLVED: To easily and quickly express movement of a large number of spectators serving as a background of a game. SOLUTION: A spectator polygon control part 220 determines the progress of a game. For example, in a soccer game, the game progress condition such as whether a player character shoots a ball to a goal or not and whether a player character on one side regains the ball from the other team or not is determined. On the basis of the determination result, the length yh of the opposite two sides of the spectator polygon is decided. A spectator drawing part 240 sets a mapping area matching the spectator polygon height Yh from a texture copying the spectators so as to draw the spectator polygon.</p> |
