private static void DrawFieldSprtDoIt(byte[] pixels, double[] ink, bool[] blocked, int size, byte[] colorZFront, byte[] colorZBack, AxisFor pixelX, AxisFor pixelY, AxisFor pixelZ)
{
List<Mapping_2D_1D> flattened = new List<Mapping_2D_1D>();
// Setup the pixel array
//for (int y2D = pixelY.Start; pixelY.IsPos ? y2D <= pixelY.Stop : y2D >= pixelY.Stop; y2D += pixelY.Increment)
foreach (int y2D in pixelY.Iterate())
{
int offsetY = pixelY.GetValueForOffset(y2D) * size;
//for (int x2D = pixelX.Start; pixelX.IsPos ? x2D <= pixelX.Stop : x2D >= pixelX.Stop; x2D += pixelX.Increment)
foreach (int x2D in pixelX.Iterate())
{
int offset = offsetY + pixelX.GetValueForOffset(x2D);
flattened.Add(new Mapping_2D_1D(x2D, y2D, offset));
}
}
// Each pixel of the output bitmap can be added up independently, so employ some threading
flattened.AsParallel().ForAll(o =>
{
//TODO: Color is 6.5 times slower than byte array
List<byte[]> colorColumn = new List<byte[]>();
for (int z2D = pixelZ.Start; pixelZ.IsPos ? z2D <= pixelZ.Stop : z2D >= pixelZ.Stop; z2D += pixelZ.Increment)
{
int x = -1, y = -1, z = -1;
pixelX.Set3DIndex(ref x, ref y, ref z, o.X);
pixelY.Set3DIndex(ref x, ref y, ref z, o.Y);
pixelZ.Set3DIndex(ref x, ref y, ref z, z2D);
int index = FluidField3D.Get1DIndex(x, y, z, size);
if (blocked[index])
{
// Blocked cells are all white, so save the overlay method a bit of work, and throw out everything behind this
colorColumn.Clear();
colorColumn.Add(new byte[] { 255, 255, 255, 255 });
continue;
}
double inkCell = ink[index];
if (Math1D.IsNearZero(inkCell))
{
continue;
}
byte[] depthColor = UtilityWPF.AlphaBlend(colorZBack, colorZFront, UtilityCore.GetScaledValue_Capped(0, 1, 0, size - 1, z));
int alpha = Convert.ToInt32(Math.Round(inkCell * 255));
if (alpha < 0)
{
alpha = 0;
}
else if (alpha > 255)
{
alpha = 255;
}
colorColumn.Add(new byte[] { Convert.ToByte(alpha), depthColor[1], depthColor[2], depthColor[3] });
}
byte[] color = colorColumn.Count > 0 ? UtilityWPF.OverlayColors(colorColumn) : new byte[] { 0, 0, 0, 0 };
pixels[o.Offset1D * 4 + 0] = color[3]; // Blue
pixels[o.Offset1D * 4 + 1] = color[2]; // Green
pixels[o.Offset1D * 4 + 2] = color[1]; // Red
pixels[o.Offset1D * 4 + 3] = color[0]; // Alpha
});
}
private static Task<Tuple<int, int, int>[]> GetDelaunayResults_FixedSet_Power(int maxPoints, int numRunsPerPointCount, double brainIORatio, Func<Point3D> getRandomPoint)
{
const int LINEARTO = 15;
const int NONLINEARSAMPLES = 15;
List<int> samplePoints = new List<int>();
// The first set should increment by 1
samplePoints.AddRange(Enumerable.Range(1, Math.Min(LINEARTO, maxPoints)));
// The second set should increment faster and faster
if (maxPoints > LINEARTO)
{
double step = 1d / NONLINEARSAMPLES;
double current = step;
while (current <= 1d)
{
double percent = Math.Pow(current, 2);
current += step;
int samplePoint = LINEARTO + (percent * (maxPoints - LINEARTO)).ToInt_Round();
if (!samplePoints.Contains(samplePoint))
{
samplePoints.Add(samplePoint);
}
}
}
return Task.Run(() => samplePoints.
AsParallel().
SelectMany(o => GetDelaunayResults_Run(o, numRunsPerPointCount, brainIORatio, getRandomPoint)).
ToArray());
}
