Aotu Lab

Feb 17, 2017 · Game Development

Master 2D Collision Detection: From Bounding Boxes to SAT

This article explains common 2D collision‑detection techniques—including axis‑aligned bounding boxes, circle checks, grid partitioning, pixel‑level tests, ray casting, and the Separating Axis Theorem—detailing their concepts, algorithms, code examples, advantages, drawbacks, and typical use cases for game development.