DaTaobao Tech

Mar 18, 2024 · Game Development

How to Implement Real-Time Top-Down Game Maps with Canvas and Ray Casting

This article explains the role of maps in games and provides a step‑by‑step guide to creating a top‑down, real‑time minimap that follows the player, covering preparation, objectives, technical solutions, canvas rendering, ray‑casting calculations, and implementation details for both orthographic and oblique perspectives.