private float[,] CreateSimplexNoiseMap(int resolution, int octaves, float persistence, float scale, SimplexNoiseGenerator noiseGen, Func <float, float> tween)
{
var values = new float[resolution, resolution];
var minValue = 1.0f;
var maxValue = -1.0f;
for (int iv = 0; iv < resolution; iv++)
{
for (int iu = 0; iu < resolution; iu++)
{
double u = (((double)iu / resolution) * 2.0f - 1.0f) * scale + 0.5f * Offset.x;
double v = (((double)iv / resolution) * 2.0f - 1.0f) * scale + 0.5f * Offset.y;
float value = (float)noiseGen.EvaluateFractal(u, v, octaves, persistence);
//Hack, the thing returns mostly between -0.7 and -0.7 for 8 octaves
value /= 0.87f;
value /= (1.0f - 0.4f * persistence);
value = (value + 1.0f) / 2.0f;
values[iu, iv] = tween(value);
minValue = value < minValue ? value : minValue;
maxValue = value > maxValue ? value : maxValue;
}
}
/*
* Debug.Log(minValue);
* Debug.Log(maxValue);
*/
return(values);
}
