To investigate the reflection of light by different types of surface, and the refraction of light by different substances. Remove the block. Join the crosses to show the paths of the light rays ...

but games still aren’t photorealistic in terms of real-world reflections, refractions, and general illumination. To accomplish this, the GPU needs the ability to trace virtual rays of light.

Introduces the concept of light through the character Ray, a personification of light beams. Ray explains the origins of light, its crucial role in visibility, and how it interacts with various ...

The diagram shows a ray of light reflected from a plane mirror. When measuring the angle of incidence, i, or angle of reflection, r, it is important to place the zero line of the protractor along ...