private async Task Generate()
{
PoissonDiscSampling sampling = new PoissonDiscSampling((double)items.Find(r => r.Name == "Radius").Value, (uint)items.Find(r => r.Name == "Seed").Value);
sampling.Sample2D(new CP.Common.Maths.Vector3D((int)VisualElement.ResultImage.Width, (int)VisualElement.ResultImage.Height, 0));
PoissonDiscSampling sampling2 = new PoissonDiscSampling((double)items.Find(r => r.Name == "Radius").Value, (uint)items.Find(r => r.Name == "Seed").Value);
sampling2.Sample2D(new CP.Common.Maths.Vector3D((int)VisualElement.ResultImage.Width, (int)VisualElement.ResultImage.Height, 0));
System.Drawing.Pen blue = new System.Drawing.Pen(System.Drawing.Color.Blue, 8);
System.Drawing.Pen red = new System.Drawing.Pen(System.Drawing.Color.Red, 8);
System.Drawing.Pen blackPoint = new System.Drawing.Pen(System.Drawing.Color.Black, 5);
System.Drawing.Pen black = new System.Drawing.Pen(System.Drawing.Color.White, 10);
Random rand = new Random();
Bitmap src = new Bitmap((int)VisualElement.ResultImage.Width, (int)VisualElement.ResultImage.Height);
using var graphics = Graphics.FromImage(src);
/* foreach (var sites in sampling.points)
* {
* graphics.DrawLine(blue, new PointF((float)sites.position.X - 1, (float)sites.position.Y - 1), new PointF((float)sites.position.X + 1, (float)sites.position.Y + 1));
*
* }
* foreach (var sites in sampling2.points)
* {
* graphics.DrawLine(red, new PointF((float)sites.position.X - 1, (float)sites.position.Y - 1), new PointF((float)sites.position.X + 1, (float)sites.position.Y + 1));
*
* }*/
VisualElement.Image = Utilities.BitmapToImageSource(src);
}
private async Task Generate()
{
BowyerAlgorithm2D voronoiGen = new BowyerAlgorithm2D((int)items.Find(r => r.Name == "Seed").Value)
{
PointCount = (int)items.Find(r => r.Name == "Point Count").Value,
//UseDelaunay = (bool)items.Find(r => r.Name == "Use Delaunay").Value,
//UseNoisyEdges = (int)items.Find(r => r.Name == "Noisy Edges").Value > 0,
//NoisyEdgesNo = (int)items.Find(r => r.Name == "Noisy Edges").Value,
MaxX = 400,
MaxY = 400,
};
int seed = (int)items.Find(r => r.Name == "Seed").Value;
PoissonDiscSampling sampling = new PoissonDiscSampling(20, (uint)seed);
List <PoissonDisc> points = sampling.Sample2D(new CP.Common.Maths.Vector3D(400, 400, 0));
List <Triangle> triangulation = voronoiGen.Generate(points.Select(point => point.position).ToList(), true);
List <VoronoiCell> cells = voronoiGen.GenerateVoronoi();
//int relaxation = (int)items.Find(r => r.Name == "Relaxation").Value;
//if(relaxation > 0)
//voronoiGen.Relax(relaxation);
System.Drawing.Pen blue = new System.Drawing.Pen(System.Drawing.Color.Blue, 2);
System.Drawing.Pen red = new System.Drawing.Pen(System.Drawing.Color.Red, 2);
System.Drawing.Pen blackPoint = new System.Drawing.Pen(System.Drawing.Color.Black, 5);
System.Drawing.Pen black = new System.Drawing.Pen(System.Drawing.Color.White, 10);
Random rand = new Random();
Bitmap src = new Bitmap((int)VisualElement.ResultImage.Width, (int)VisualElement.ResultImage.Height);
using var graphics = Graphics.FromImage(src);
/* foreach (var sites in triangulation)
* {
* foreach (var edge in sites.Edges)
* {
* graphics.DrawLine(blue, new PointF((float)edge.PointA.X + 300, (float)edge.PointA.Y + 300), new PointF((float)edge.PointB.X + 300, (float)edge.PointB.Y + 300));
* }
* }*/
foreach (var sites in cells)
{
foreach (var edge in sites.Edges)
{
graphics.DrawLine(red, new PointF((float)edge.PointA.X + 300, (float)edge.PointA.Y + 300), new PointF((float)edge.PointB.X + 300, (float)edge.PointB.Y + 300));
}
}
VisualElement.Image = Utilities.BitmapToImageSource(src);
}
private void runTest(int samples, double radius)
{
double[] times = new double[samples];
Stopwatch watch = new Stopwatch();
Random rand = new Random();
Console.WriteLine("Cores: " + Environment.ProcessorCount);
Console.WriteLine("64bit:" + Environment.Is64BitProcess + Environment.NewLine);
int count = 0;
for (int s = 0; s < samples; s++)
{
watch.Restart();
List <PoissonDisc> discs = PoissonDiscSampling.Sample2D(13235, radius, new CP.Common.Maths.Vector3D(100, 100, 100), 8, false);
watch.Stop();
count = discs.Count;
times[s] = watch.Elapsed.TotalMilliseconds;
}
Console.WriteLine(samples + ": avg => " + times.Average() + " | best => " + times.Min() + " | worst => " + times.Max() + " | count => " + count);
}