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6. 3D ray tracing part 2 | Rendering | Computer animation | Khan Academy

Continues the 3D ray tracing derivation, working through how a renderer tests whether a given ray intersects a surface such as a sphere. Closes out the unit's core math.

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

What you take away

Set up the intersection test between a ray and a simple 3D surface.

Watch it

Filed under

Oscar winners for visual effects

Books on visual effects

The workstation

Western Digital WD_BLACK SN850X 4TB — The other one, usually cheaper
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
Apple Mac mini M4 — The cheapest Mac that cuts 4K without complaint
AMD Ryzen 9 9950X — 16 cores — the sweet spot for a cutting room

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