| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image generation system, a program and an information storage medium for applying shading, according to a light source, to a sprite facing the direction of a virtual camera with a small processing load. Ž<P>SOLUTION: In this image generation system for generating an image when an object space is viewed from a predetermined point of view CM, a normal np whose direction is different from at least two vertexes among a plurality of vertexes configuring a sprite SP arranged so as to face a direction vv of the point of view CM is set. A vertex color setting part 124 sets a vertex color Cp of each vertex according to the direction of a normal np set at each vertex and a direction lv of the rays of light from a light LT. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
|
