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Game Math Foundations: Affine Space
September 23, 2019•Updated Feb 17, 2026
Affine Space — a geometric term derived from the 16th-century French word "afin" and the Latin "affinis" (related).
An Affine Space is a geometric space where vectors exist without a fixed origin. Unlike a standard coordinate system that has an origin, an Affine Space has no anchored reference point.
This distinction is foundational for understanding coordinate systems and transformations in game development.