public ILayerMasked Do(INoiseParameters param, Vector2 size)
{
var dt = DateTime.Now.Millisecond;
System.Diagnostics.Debug.Print(dt + "Rand" + _rand.NextD(1, 2));
var pow = (int)JryMath.Max(JryMath.Ceil(JryMath.Log(size.X, 2)), JryMath.Ceil(JryMath.Log(size.Y, 2)));
int sizePow2 = (int)JryMath.Pow(2, pow) + 1;
Layer2DObject layer = new Layer2DObject(sizePow2, sizePow2);
setupBaseDS(sizePow2, layer, _rand);
var par = param.BaseAmplitude * param.Amplitude;
ds(layer, sizePow2, par, param, _rand);
var croped = new Layer2DObject(size);
for (int y = 0; y < size.Y; y++)
{
for (int x = 0; x < size.X; x++)
{
croped[x, y] = layer[x, y];
}
}
return(croped);
}
private void ds(Layer2DObject layer, int sizePow2, float ba, INoiseParameters np, IRandom2 rand)
{
int size = sizePow2 - 1;
int log = (int)JryMath.Log(size, 2);
// HACK
var x = np as DsNoiseParameters;
for (int l = 0; l < log; l++)
{
if (l == 0 && x != null)
{
hackeddiamond(layer, ba, x.HillProbability);
}
else
{
diamond(layer, size, ba, l, rand);
}
square(layer, size, ba, l, rand);
ba *= np.Amplitude;
if (l >= np.ToDepth)
{
ba *= np.Amplitude;
}
}
}
public PerlinNoise(INoiseParameters noiseParameters)
{
_rand = noiseParameters.Random;
_noiseParameters = noiseParameters;
}
public INoise Create(INoiseParameters param)
{
return(new PerlinNoise(param));
}
