2D Tile Design Quick refs : wang-bitmask-table.md, blob-256-template.md, hex-flat-vs-pointy.md Tile design = how the art for a tilemap is structured so the engine can blend tiles seamlessly. The math doesn't care about the engine — same rules apply in Unity Tilemap, Godot TileMap, Tiled, LDtk, custom raylib / SDL renderers. Grid types | Grid | Use case | Tile orientation | |------|----------|-----------------| | Square (ortho) | Most platformers, top-down RPGs | Axes aligned, simplest | | Hex flat-top | Strategy / 4X (Civilization-style) | Hex columns offset Y | | Hex pointy-top | Tactical RP…