public HeightMapGenerator(
float scale = 500f,
int octaves = 5,
float persistance = 0.5f,
float lacunarity = 2f,
HeightCurveType heightCurveType = HeightCurveType.Exponential,
float minNoiseHeight = -1.5f,
float maxNoiseHeight = 1.5f,
float heightMultiplier = 200f)
{
if (scale <= 0)
{
scale = 0.0001f;
}
Scale = scale;
Octaves = octaves;
Persistance = persistance;
Lacunarity = lacunarity;
HeightCurve = heightCurveType;
MinNoiseHeight = minNoiseHeight;
MaxNoiseHeight = maxNoiseHeight;
HeightMultiplier = heightMultiplier;
OctaveOffsets = new Vector2[Octaves];
for (int i = 0; i < Octaves; i++)
{
float offsetX = Random.Range(-10000, 10000);
float offsetY = Random.Range(-10000, 10000);
OctaveOffsets[i] = new Vector2(offsetX, offsetY);
}
}
public static float InterpolationByOperation(HeightCurveType type, float min, float max, float value)
{
switch (type)
{
case HeightCurveType.Linear:
return(Lerp(min, max, value));
case HeightCurveType.Sin:
return(Sinerp(min, max, value));
case HeightCurveType.Cos:
return(Coserp(min, max, value));
case HeightCurveType.Exponential:
return(Exponential(min, max, value));
case HeightCurveType.Exponential3:
return(Exponential3(min, max, value));
case HeightCurveType.SmoothStep:
return(SmoothStep(min, max, value));
case HeightCurveType.SmootherStep:
return(SmootherStep(min, max, value));
default:
throw new System.Exception("Height Curve Operation not handled.");
}
}