private static float Evaluate(int x, int y, Seed seed, NoiseEvaluationMethod method = NoiseEvaluationMethod.Default)
{
float value = 0f;
if (method == NoiseEvaluationMethod.Default)
{
method = defaultNoiseEvaluationMethod;
}
System.Random prng = new System.Random(seed.calculatedSeed);
switch (method)
{
case NoiseEvaluationMethod.Random:
value = prng.Next(-100000, 100000);
break;
case NoiseEvaluationMethod.Simplex:
case NoiseEvaluationMethod.Perlin:
if (method == NoiseEvaluationMethod.Simplex)
{
Debug.Log("NoiseEvaluationMethod.Simplex is currently not yet implemented. Using NoiseEvaluationMethod.Perlin instead");
}
value = Mathf.PerlinNoise(x, y);
break;
}
return(value);
}
/// <summary>
/// Generate a noise map of the provided size using the specified evaluation method. If no evaluation method is supplied, the default method
/// specified in Noise.DefaultNoiseEvaluationMethod will be used.
/// </summary>
/// <remarks>See Noise to learn how to alter the default noie evaluation method</remarks>
/// <see cref="Noise"/>
/// <param name="size">Square size of the generated noise map</param>
/// <param name="seed">Seed to use when generating the pseudo-random heightmap</param>
/// <param name="method">Height evaluation method to use</param>
/// <returns>A 2-dimensional float array representing the height maps</returns>
public static float[,] GenerateNoiseMap(int size, Seed seed, NoiseEvaluationMethod method = NoiseEvaluationMethod.Default)
{
float[,] noiseMap = new float[size, size];
for (int x = 0; x < size; x++)
{
for (int y = 0; y < size; y++)
{
noiseMap[x, y] = Evaluate(x, y, seed, method);
}
}
return(noiseMap);
}