/// <summary>
/// Build a heightmap based on perlin noise.
/// </summary>
public static IHeightMap Build(float minHeight, float maxHeight, float scale, int seed)
{
if (minHeight == maxHeight)
{
return(new ConstantHeightMap(minHeight));
}
var noise = new LayeredNoise(scale, seed);
return(new PerlinHeightMap(noise, minHeight, maxHeight));
}
/// <summary>
/// Build a heightmap out of multiple layers of perlin noise.
/// </summary>
public static IHeightMap Build(float minHeight, float maxHeight, float scale, int seed,
int numLayers, float amplitudeFactor, float frequencyGrowth)
{
if (minHeight == maxHeight || numLayers == 0)
{
return(new ConstantHeightMap(minHeight));
}
var noise = new LayeredNoise(numLayers, amplitudeFactor, frequencyGrowth, scale, seed);
return(new PerlinHeightMap(noise, minHeight, maxHeight));
}