Introduction

What is Grids 2D?

Grids 2D is a high-performance Unity asset for creating configurable, optimized 2D grids. Built for Unity 2022.3 and later, it supports three grid topologies — Voronoi (irregular), box, and hexagonal — with a powerful two-level region system: cells and territories.

The grid is rendered as a flat 2D overlay with full support for highlighting, selection, coloring, texturing, and A* pathfinding. Everything is controllable from the Inspector or via a comprehensive C# API.

Key Features

Grid Types

• Voronoi (Irregular) — organic, randomized cell layouts with configurable relaxation for more uniform shapes.
• Box — standard rectangular grid with rows and columns.
• Hexagonal — hexagonal grid with regular hexagon support and configurable sizes.

Cells & Territories

• Two-level hierarchy — cells are the basic units; territories group multiple cells together.
• Highlight & selection — configurable hover highlighting for both cells and territories, with customizable colors.
• Colorize & texture — fill cells or territories with colors, textures, or use a canvas texture for seamless region painting.
• Visibility masks — use alpha textures to show/hide cells or define territory shapes from image data.

Pathfinding

• Built-in A* pathfinding — multiple heuristic algorithms (Manhattan, Euclidean, Diagonal, etc.).
• Cell groups — assign cells to groups for filtered pathfinding and line-of-sight queries.
• Custom crossing costs — per-cell and per-edge cost configuration for realistic movement.

Editor Tools

• Grid Editor — paint cell properties, textures, and territory assignments directly in the Scene view.
• Export/Import — save and load grid configurations via the Grid2DConfig component.

Common Use Cases

• Turn-based strategy games (tactical grids, territory control).
• Board games and puzzle games with cell-based mechanics.
• Map editors and level design tools.
• Data visualization overlays (heatmaps, region analysis).
• Educational applications with interactive grids.

System Requirements

Next Steps

Ready to get started? Head to the Quick Start guide to add a grid in under 5 minutes, or explore the Settings reference for a full breakdown of all Inspector parameters.