private void Draw()
{
int w = (int)canvas1.ActualWidth;
int h = (int)canvas1.ActualHeight;
double p;
double frequency = 0.5;
while (App_Started)
{
XOff += 0.05;
if (RbRandom.IsChecked.Value)
{
if (CBWide.IsChecked.Value)
{
p = 0.1 + 0.8 * Rnd.NextDouble();
}
else
{
p = 0.2 + 0.6 * Rnd.NextDouble();
}
}
else if (RbPerlin.IsChecked.Value)
{
if (CBWide.IsChecked.Value)
{
p = PerlinNoise.WideNoise(XOff * frequency, Octaves, Persistence, factor);
}
else
{
p = PerlinNoise.Noise(XOff * frequency, Octaves, Persistence);
}
}
else if (RbOpenSimplex.IsChecked.Value)
{
if (CBWide.IsChecked.Value)
{
p = OpenSimplexNoise.WideNoise(XOff * frequency, Octaves, Persistence, factor);
}
else
{
p = OpenSimplexNoise.Noise(XOff * frequency, Octaves, Persistence);
}
}
else //Use FastSimplexNoise
{
if (CBWide.IsChecked.Value)
{
p = FastSimplexNoise.WideNoise(XOff * frequency / 2, Octaves, Persistence, factor);
}
else
{
p = FastSimplexNoise.Noise(XOff * frequency / 2, Octaves, Persistence);
}
}
Line l = new Line()
{
StrokeThickness = 2
};
if (CBColor.IsChecked.Value)
{
l.Stroke = new SolidColorBrush(Rainbow[(int)(255 * p)]);
}
else
{
l.Stroke = Brushes.Gray;
}
if (lines.Count() > 1)
{
l.Y1 = lines[lines.Count - 2].Y2;
l.Y2 = (1 - p) * h;
}
else
{
l.Y1 = (1 - p) * h;
l.Y2 = (1 - p) * h;
}
lines.Add(l);
if (lines.Count > w)
{
lines.RemoveAt(0);
} //Move the line 1 to the left
for (int I = 1; I < lines.Count; I++)
{
lines[I].X1 = I - 1;
lines[I].X2 = I;
}
canvas1.Children.Clear();
for (int I = 0; I < lines.Count; I++)
{
canvas1.Children.Add(lines[I]);
}
Dispatcher.Invoke(Wait, DispatcherPriority.ApplicationIdle);
}
}
private void Draw4D()
{
int w = (int)canvas1.ActualWidth;
int h = (int)canvas1.ActualHeight;
double x;
double y;
double angle = 0.0;
WriteableBitmap Writebitmap;
int index = 0;
double p;
double frequency = 12;
if (CBColor.IsChecked.Value)
{
Writebitmap = new WriteableBitmap(w, h, 96, 96, PixelFormats.Bgra32, null);
}
else
{
Writebitmap = new WriteableBitmap(w, h, 96, 96, PixelFormats.Gray8, null);
}
byte[] PixelData;
int Stride = (int)(Writebitmap.PixelWidth * Writebitmap.Format.BitsPerPixel / 8);
PixelData = new byte[Stride * Writebitmap.PixelHeight];
while (App_Started)
{
ZOff = 10 * Math.Cos(angle);
WOff = 10 * Math.Sin(angle);
for (int I = 0; I < Writebitmap.PixelHeight; I++)
{
for (int J = 0; J < Writebitmap.PixelWidth; J++)
{
x = J / (double)Writebitmap.PixelHeight;
y = I / (double)Writebitmap.PixelHeight;
index = I * Writebitmap.PixelWidth + J;
if (RbRandom.IsChecked.Value)
{
if (CBWide.IsChecked.Value)
{
p = 0.1 + 0.8 * Rnd.NextDouble();
}
else
{
p = 0.2 + 0.6 * Rnd.NextDouble();
}
}
else if (RbPerlin.IsChecked.Value)
{
if (CBWide.IsChecked.Value)
{
p = PerlinNoise.WideNoise4D(x * frequency, y * frequency, ZOff, WOff, Octaves, Persistence, factor);
}
else
{
p = PerlinNoise.Noise4D(x * frequency, y * frequency, ZOff, WOff, Octaves, Persistence);
}
}
else if (RbOpenSimplex.IsChecked.Value)
{
if (CBWide.IsChecked.Value)
{
p = OpenSimplexNoise.WideNoise4D(x * frequency, y * frequency, ZOff, WOff, Octaves, Persistence, factor);
}
else
{
p = OpenSimplexNoise.Noise4D(x * frequency, y * frequency, ZOff, WOff, Octaves, Persistence);
}
}
else //Use FastSimplexNoise
{
if (CBWide.IsChecked.Value)
{
p = FastSimplexNoise.WideNoise4D(x * frequency / 2, y * frequency / 2, ZOff, WOff, Octaves, Persistence, factor);
}
else
{
p = FastSimplexNoise.Noise4D(x * frequency / 2, y * frequency / 2, ZOff, WOff, Octaves, Persistence);
}
}
if (CBColor.IsChecked.Value)
{
SetPixel(J, I, Rainbow[(int)(255 * p)], PixelData, Stride);
}
else
{
PixelData[I * Stride + J] = (byte)(255 * p);
}
}
}
Int32Rect Intrect = new Int32Rect(0, 0, Writebitmap.PixelWidth - 1, Writebitmap.PixelHeight - 1);
Writebitmap.WritePixels(Intrect, PixelData, Stride, 0);
Image1.Source = Writebitmap;
Dispatcher.Invoke(Wait, DispatcherPriority.ApplicationIdle);
angle += 0.002 * Math.PI;
if (angle >= 2 * Math.PI)
{
angle = 0;
}
}
}