public TerrainChunk(TerrainChunkSettings settings, INoiseProvider noiseProvider, float seed, List <IFeatureGenerator> featureGenerator, Material material)
{
this.settings = settings;
this.noiseProvider = noiseProvider;
this.seed = seed;
this.featureGenerator = featureGenerator;
this.material = material;
cube = (GameObject)Resources.Load("Cube", typeof(GameObject));
}
private void Awake()
{
settings = new TerrainChunkSettings(129, 200, 0.1f);
noiseProvider1 = new SeussNoise0(true);
noiseProvider2 = new SeussNoise0(false);
featureGenerator = new List <IFeatureGenerator>();
seed = Random.Range(0.0f, 100000.0f);
featureGenerator.Add(new TreePlacer(settings.length));
CreateTerrainChunk();
}
// Use this for initialization
public void Generate(float seed, INoiseProvider noiseProvider, TerrainChunkSettings settings)
{
trees = new GameObject("Trees");
for (float i = -length / 2; i < length / 2; i += spacing)
{
for (float j = -length / 2; j < length / 2; j += spacing)
{
if (Random.value > noiseThreshold)
{
// calculate tree position
float xOffset = Random.Range(0, maxDiplacement);
float zOffset = Random.Range(0, maxDiplacement);
float xPosition = i + xOffset;
float zPosition = j + zOffset;
if (noiseProvider.GetValue(xPosition, zPosition, seed) < 0.2f)
{
continue;
}
// find y position by choosing lowest point from 4 nearest heightmap points
float radius = 0.45f;
float minHeight = noiseProvider.GetValue(xPosition - radius, zPosition - radius, seed);
float compareHeight = noiseProvider.GetValue(xPosition - radius, zPosition + radius, seed);
if (compareHeight < minHeight)
{
minHeight = compareHeight;
}
compareHeight = noiseProvider.GetValue(xPosition + radius, zPosition - radius, seed);
if (compareHeight < minHeight)
{
minHeight = compareHeight;
}
compareHeight = noiseProvider.GetValue(xPosition + radius, zPosition + radius, seed);
if (compareHeight < minHeight)
{
minHeight = compareHeight;
}
// create and place tree
Vector3 treePosition = new Vector3(xPosition, minHeight, zPosition);
MonoBehaviour.Instantiate(tree, treePosition, Quaternion.identity, trees.transform);
}
}
}
}
