public static HeightMap GenBasicTerrainMap(HeightmapProperties heightProps, int seed)
{
HeightMap h = new HeightMap(heightProps.size, seed);
h.AddPerlinNoise(heightProps.perlinFreq);
h.Perturb(heightProps.perturb, heightProps.perturb);
for (int i = 0; i < HeightMapGen.erodePasses; i++ )
h.Erode(heightProps.erode);
h.Smoothen();
return h;
}
public static void GenerateSubTerrain(Planet planet, HeightmapProperties heightProps, float scale, int seed, float cutoff = 0f)
{
GameObject sphere = planet.land.gameObject;
System.Random rand = new System.Random(seed);
UnityEngine.Random.seed = rand.Next ();
HeightMap terrainMap = HeightMapGen.GenBasicTerrainMap(heightProps, rand.Next());
int subTimes = UnityEngine.Random.Range (8, 16);
for (int i = 0; i < subTimes; i++) {
UnityEngine.Random.seed = rand.Next ();
string blendMode = HeightmapProperties.heightBlendModes[UnityEngine.Random.Range (0,
HeightmapProperties.heightBlendModes.Length - 1)];
float blendAmount = 1f + UnityEngine.Random.value;
int posX = UnityEngine.Random.Range (0, Mathf.Abs (terrainMap.Heights.GetLength(0) - 1));
int posY = UnityEngine.Random.Range (0, Mathf.Abs (terrainMap.Heights.GetLength(1) - 1));
int nx = rand.Next ();
HeightmapProperties submap = HeightmapProperties.GetRandSub(nx);
HeightMap subTerrainMap = HeightMapGen.GenBasicTerrainMap(submap, rand.Next());
terrainMap.Blend(subTerrainMap, blendMode, posX, posY, blendAmount);
}
terrainMap.AntiAlias ();
terrainMap.Smoothen ();
terrainMap.MendSeams ();
SphereGenerator.ApplyHeightMap(sphere, scale, terrainMap.Heights, cutoff);
}