TAL Education Technology

Dec 16, 2021 · Game Development

Implementing Polygon Click Detection in Cocos and Optimizing a Sudoku Solver

This article explains two techniques for accurate polygon click detection in Cocos—pixel‑alpha testing and PolygonCollider2D with ray‑casting—and describes a bit‑mask based Sudoku solver that uses depth‑first search and solution counting to ensure puzzle uniqueness and improve performance.