public float[,] ErodeTerrain(float[,] heightMap, int seed)
{
rng = new System.Random(seed);
erosionInfo = InitializeErosionInfo();
erosionBrush = InitializeErosionBrush(heightMap);
depositionBrush = InitializeDepositionBrush(heightMap);
for (int i = 0; i < settings.iterations; i++)
{
Droplet droplet = new Droplet(heightMap, erosionInfo, erosionBrush, depositionBrush);
droplet.Update();
}
return(heightMap);
}
public Droplet(float[,] map, ErosionInfo info, ErosionBrush eBrush, DepositionBrush dBrush)
{
heightMap = map;
erosionInfo = info;
erosionBrush = eBrush;
depositionBrush = dBrush;
mapWidth = heightMap.GetLength(0);
mapHeight = heightMap.GetLength(1);
position = new Vector2(
erosionInfo.rng.Next(0, mapWidth - 1),
erosionInfo.rng.Next(0, mapHeight - 1)
);
direction = new Vector2(0f, 0f).normalized;
}
