public GameObject[,] DrawTerrain()
{
int mapwidth = (int)Mathf.Pow(2, heightMapSize) + 1;
map = new GameObject[mapwidth, mapwidth];
//seed of 1233 is good
float[,] heightmap = DiamondSquare.CreateHeightmap(heightMapSize, 12348, 1.0f, 0.5f);
for (int x = 0; x < heightmap.GetLength(0); x++)
{
for (int y = 0; y < heightmap.GetLength(1); y++)
{
float height = heightmap[x, y];
GameObject newTile = null;
GameObject tileSprite = GetSprite(height);
GameObject tileItem = GetItem(tileSprite.GetComponent <Tile>().Type, x, y);
newTile = Instantiate(tileSprite, new Vector3(x * tileWidth, y * tileWidth, 0), Quaternion.identity) as GameObject;
Tile t = newTile.GetComponent <Tile>();
t.AddItem(tileItem);
newTile.name = t.Type.ToString() + " (" + x + "," + y + ")";
t.X = x;
t.Y = y;
newTile.GetComponent <Node>().X = x;
newTile.GetComponent <Node>().Y = y;
map[x, y] = newTile;
}
}
return(map);
}
public void Generate()
{
GameObject terrain = new GameObject("Terrain");
Terrain t = terrain.AddComponent <Terrain>();
TerrainData td = t.terrainData = new TerrainData();
td.heightmapResolution = (int)Mathf.Pow(2, n);
td.alphamapResolution = (int)Mathf.Pow(2, n);
t.heightmapPixelError = 0;
td.SetHeights(0, 0, DiamondSquare.CreateHeightmap(n, seed, spread, spreadReductionRate));
td.size = new Vector3(td.heightmapWidth, height, td.heightmapHeight);
terrain.AddComponent <TerrainCollider>();
GetComponent <TextureTerrain>().DoItBaby();
}