public List <IslandObject> GenerateIslands(List <int> islands, int level)
{
List <IslandObject> ret = new List <IslandObject>();
foreach (int isle in islands)
{
IslandObject tmp = GenerateIsland(isle, level);
if (tmp != null)
{
ret.Add(tmp);
}
}
return(ret);
}
public void GenerateObjects(TerrainObject objectInfo)
{
cleanUpObjects();
int width = heightMap.GetLength(0);
int height = heightMap.GetLength(1);
NoiseParameters noiseParameters = objectInfo.noise;
float[,] noiseMap = Noise.GenerateNoiseMap(width, height, Random.Range(0, int.MaxValue),
noiseParameters.noiseScale, noiseParameters.octaves, noiseParameters.persistance, noiseParameters.lacunarity, Vector2.zero);
float startHeight = heightCurve.Evaluate(objectInfo.startHeight) * heightMultiplier;
float endHeight = heightCurve.Evaluate(objectInfo.endHeight) * heightMultiplier;
for (int j = 0; j < height; j++)
{
for (int i = 0; i < width; i++)
{
float y = heightCurve.Evaluate(heightMap[i, j]) * heightMultiplier;
if (y >= startHeight && y <= endHeight && noiseMap[i, j] > objectInfo.noiseThreshold)
{
Vector3 pos = new Vector3((width - 1) / -2f + i, y, (height - 1) / 2f - j) * uniformScale;
pos += new Vector3(Random.Range(-1f, 1f), 0, Random.Range(-1f, 1f)) * 0.2f;
pos += transform.position;
IslandObject obj = Instantiate(objectInfo.prefab, pos, Quaternion.identity);
obj.transform.SetParent(objectContainer, true);
obj.Generate();
// Align the rotation of the object to the normal of the terrain at that point
if (objectInfo.alignToNormal)
{
Ray ray = new Ray(pos + Vector3.up * 10, Vector3.down);
RaycastHit hitInfo;
bool hit = mesh.meshCollider.Raycast(ray, out hitInfo, Mathf.Infinity);
if (hit)
{
obj.transform.up = hitInfo.normal;
}
}
}
}
}
}