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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.

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