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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.

Watch it

Filed under

Oscar winners for visual effects

Books on visual effects

Kit for this lesson

SanDisk Professional G-DRIVE 8TB — Desktop archive drive built for footage
Corsair 128GB DDR5 kit — For Unreal, caches and twelve open applications
Intel Core Ultra 9 285K — Quick Sync, which some codecs still love
AMD Ryzen 9 9950X — 16 cores — the sweet spot for a cutting room
NVIDIA GeForce RTX 5080 — The sensible half-price render card
Apple Mac mini M4 — The cheapest Mac that cuts 4K without complaint

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