public CellularNoiseGenerator(int seed = 12345, float frequency = 0.1f, FastNoise.CellularDistanceFunction cellularDistanceFunction = FastNoise.CellularDistanceFunction.Euclidean, FastNoise.CellularReturnType cellularReturnType = FastNoise.CellularReturnType.CellValue)
{
fastNoise = new FastNoise(seed);
fastNoise.SetNoiseType(FastNoise.NoiseType.Cellular);
fastNoise.SetFrequency(frequency);
fastNoise.SetCellularDistanceFunction(cellularDistanceFunction);
fastNoise.SetCellularReturnType(cellularReturnType);
}
public override void OnEditorGUI(UltimateTerrain uTerrain, IReadOnlyFlowGraph graph)
{
#if UNITY_EDITOR
Seed = EditorGUILayout.IntField("Seed:", Seed);
Frequency = EditorGUILayout.FloatField("Frequency:", Frequency);
Scale = EditorGUILayout.FloatField("Scale:", Scale);
GradientPerturbAmp = EditorGUILayout.FloatField("Gradient Perturb Amplitude:", GradientPerturbAmp);
NoiseType = (FastNoise.NoiseType)EditorGUILayout.EnumPopup("Noise Type:", NoiseType);
Interp = (FastNoise.Interp)EditorGUILayout.EnumPopup("Interp:", Interp);
if (NoiseType == FastNoise.NoiseType.Cellular)
{
CellularJitter = EditorGUILayout.FloatField("Cellular Jitter:", CellularJitter);
CellularReturnType = (FastNoise.CellularReturnType)EditorGUILayout.EnumPopup("Cellular return Type:", CellularReturnType);
CellularDistanceFunction = (FastNoise.CellularDistanceFunction)EditorGUILayout.EnumPopup("Cellular distance function:", CellularDistanceFunction);
if (CellularReturnType == FastNoise.CellularReturnType.NoiseLookup)
{
if (cellularNoise == null)
{
cellularNoise = CreateInstance <FastNoise2DPrimitiveSerializable>();
}
EditorGUILayout.BeginVertical("Box");
EditorGUILayout.LabelField("Noise lookup:");
cellularNoise.OnEditorGUI(uTerrain, graph);
EditorGUILayout.EndVertical();
}
}
else if (NoiseType == FastNoise.NoiseType.CubicFractal ||
NoiseType == FastNoise.NoiseType.PerlinFractal ||
NoiseType == FastNoise.NoiseType.SimplexFractal ||
NoiseType == FastNoise.NoiseType.ValueFractal)
{
FractalType = (FastNoise.FractalType)EditorGUILayout.EnumPopup("Fractal Type:", FractalType);
FractalOctaves = EditorGUILayout.IntField("Octaves:", FractalOctaves);
FractalLacunarity = EditorGUILayout.FloatField("Lacunarity:", FractalLacunarity);
FractalGain = EditorGUILayout.FloatField("Gain:", FractalGain);
}
#endif
}
public static ValueMap CellNoise(int seed, Vector2Int size, Vector2 offset, FastNoise.CellularDistanceFunction distanceFunction, FastNoise.CellularReturnType returnType, float jitter = 0.45f, float frequency = 0.02f)
{
var noise = new FastNoise(seed);
noise.SetCellularDistanceFunction(distanceFunction);
noise.SetCellularReturnType(returnType);
noise.SetCellularJitter(jitter);
noise.SetFrequency(frequency);
ValueMap output = ValueMap.CreateInstance(size);
for (int x = 0; x < size.x; x++)
{
for (int y = 0; y < size.y; y++)
{
output[x, y] = noise.GetCellular(offset.x + x, offset.y + y);
}
}
return(output);
}
