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3. Light rays | Rendering | Computer animation | Khan Academy

Establishes the physical model of a light ray as a straight line traveling from a source, and what properties of that ray a renderer needs to track. Short setup for the parametric equation covered next.

Khan Academy Labs · 2 min · Advanced · VFX · VFX · 2016

What you take away

Describe the physical assumptions a renderer makes about how light travels.

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