| 摘要 |
<p>According to an embodiment, a method for tracing ray comprises the steps of: extracting the characteristics of ray generated for a rendering of a current frame; selecting one ray having the closest characteristics to the characteristics of the generated ray from the used rays, by comparing the characteristics of the generated ray and the characteristics of the rays used in a rendering of a previous frame; and performing the tracing of the generated ray, based on the result of the tracing of the selected ray.</p> |
