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In this tutorial, we will learn how to create a TileMap in Unity using a custom mesh, define terrain types and blend terrains textures (edge smoothing). You can find the source on GitHub.

1. Creating a Map of Tiles (or a grid of points)

First let’s create a Tile class, for each tile we just want a position and a terrain type (we will just use an enum here)

public enum TerrainType {
Water, Dirt, Grass, Rocks
}

public class Tile
{
public TerrainType terrainType;
public Vector2Int position;
public Map map; // We will create the map class just after this.

public Tile(Vector2Int position, TerrainType terrainType…

Florian

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