VIRTUAL REALITY
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LESSON 4 - QUESTIONS

1. Describe three methods of indicating relative distance (third dimension) on a 2-D visual display.

2. What cues does the human hearing system use to localize sounds?

3. In generating a virtual world scene, a VR system will build the display from polygons. Describe techniques that may be used in the generation to increase the realism of this display.

4. Describe how sounds might be used in a VR system to add realism or to create different effects with a visual display.