private void square(Layer2DObject layer, int size, float ap, int depth, IRandom2 rand)
{
int squareSize = (int)(size * JryMath.Pow(.5f, depth));
int squareHalfSize = (int)(squareSize / 2);
for (int iy = 0; iy < JryMath.Pow(2, depth); iy++)
{
for (int ix = 0; ix < JryMath.Pow(2, depth); ix++)
{
var xCorL = ix * squareSize;
var xCorR = (ix + 1) * squareSize;
var yCorT = iy * squareSize;
var yCorB = (iy + 1) * squareSize;
var tl = layer[xCorL, yCorT].Value;
var bl = layer[xCorL, yCorB].Value;
var tr = layer[xCorR, yCorT].Value;
var br = layer[xCorR, yCorB].Value;
int xph = xCorL + squareHalfSize;
int yph = yCorT + squareHalfSize;
var c = (tl + tr + br + bl) / 4 + rnd(rand, xph, yph) * ap;
var b = (br + bl + c + getClipped(layer, xph, yph + squareSize)) / 4 + rnd(rand, xph, yph + squareSize) * ap;
var t = (tr + tl + c + getClipped(layer, xph, yph - squareSize)) / 4 + rnd(rand, xph, yph - squareSize) * ap;
var r = (tr + br + c + getClipped(layer, xph + squareSize, yph)) / 4 + rnd(rand, xph + squareSize, yph) * ap;
var l = (tl + bl + c + getClipped(layer, xph - squareSize, yph)) / 4 + rnd(rand, xph - squareSize, yph) * ap;
layer[xph, yCorT] = t;
layer[xph, yCorB] = b;
layer[xCorL, yph] = l;
layer[xCorR, yph] = r;
}
}
}
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 diamond(ILayer layer, int size, float ap, int l, IRandom2 rand)
{
int squareSize = (int)(size * JryMath.Pow(.5f, l));
int squareHalfSize = (int)(squareSize / 2);
for (int iy = 0; iy < JryMath.Pow(2, l); iy++)
{
for (int ix = 0; ix < JryMath.Pow(2, l); ix++)
{
var xCorL = ix * squareSize;
var xCorR = (ix + 1) * squareSize;
var yCorT = iy * squareSize;
var yCorB = (iy + 1) * squareSize;
var tl = layer[xCorL, yCorT].Value;
var bl = layer[xCorL, yCorB].Value;
var tr = layer[xCorR, yCorT].Value;
var br = layer[xCorR, yCorB].Value;
int xph = xCorL + squareHalfSize;
int yph = yCorT + squareHalfSize;
var c = (tl + tr + br + bl) / 4 + rnd(rand, xph, yph) * ap;
layer[xph, yph] = c;
}
}
}
