CMSC 425 Dave Mount CMSC 425 : Lecture 11 Light Modeling for Games Tuesday
نویسنده
چکیده
Illumination: Accurate illuminate can enhance realism and help encourage a feeling of immersion. Revelation of form: Good lighting can be used to compensate for the lack of accuracy in a geometric models. (For example, adding a bumpy lighting pattern to a flat surface can suggest a stone road.) Focus: Highlighting can be used to direct the viewer’s attention to a desired region of focus. Mood: Lighting can be used to set the tone of a scene (e.g., safe, threatening, foreboding, pastoral), which may be useful in establishing the narrative elements of a game. One of the simplest applications of this idea is the use of low-contrast versus high-contrast lighting (see Fig. 1): High-Key Lighting: Bright, warm, soft, and high-set lights tend to provide a feeling of safety Low-Key Lighting: Dim, cool, harsh, and low-set lights produce a feeling of danger
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