private float Turbulence(float x, float y, float size)
{
var value = 0.0f;
var initialSize = size;
while (size >= 1)
{
value += _noise.Get(x / size, y / size) * size;
size /= 2.0f;
}
return(value / initialSize);
}
private void Update()
{
foreach (var entity in Ecs.GetEntities <RandomOverworld>())
{
var randomOverworld = entity.Item1;
var tilemap = randomOverworld.tilemap;
var playerPrefab = randomOverworld.playerPrefab;
var frequency = randomOverworld.frequency;
if (randomOverworld.regenrateNow == false)
{
continue;
}
randomOverworld.regenrateNow = false;
var size = tilemap.size;
var width = randomOverworld.width = size.x;
var height = randomOverworld.height = size.y;
// Reset tilemap
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
tilemap.SetColor(new Vector3Int(x, y, 0), Color.white);
}
}
// Generate World
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
var value = PerlinNoise.Get(x / (float)randomOverworld.width, y / (float)randomOverworld.height, frequency);
if (value < 0.8f)
{
var position = new Vector3Int(x, y, 0);
var randomTile = randomOverworld.grassTiles[UnityEngine.Random.Range(0, randomOverworld.grassTiles.Count)];
tilemap.SetTile(position, randomTile);
}
else
{
var position = new Vector3Int(x, y, 0);
var randomTile = randomOverworld.mountainTiles[UnityEngine.Random.Range(0, randomOverworld.mountainTiles.Count)];
tilemap.SetTile(position, randomTile);
}
}
}
// Place Character
GameObject player = null;
while (!player)
{
var x = UnityEngine.Random.Range(0, width);
var y = UnityEngine.Random.Range(0, height);
var position = new Vector3Int(x, y, 0);
var tile = (Tile)tilemap.GetTile(position);
if (tile.sprite.name.Contains("Grass"))
{
player = Instantiate(playerPrefab, tilemap.CellToWorld(position), Quaternion.identity);
}
}
}
}
////////////////////////////////////////////////////////////////////////////
//Static Functions
public static float GetValue(float x, float y)
{
return(Mathf.Clamp01(main.Get(x, y)));
}
public Color GetColor(float x, float y)
{
var value = PerlinNoise.Get(x, y, 10);
return(new Color(value, value, value));
}