protected void RandomlyBindPixelsIntoPairs(PixelCollection pixelCollection, int pixelsToSelect)
{
lock (pixelCollection)
{
pixelCollection.OrderByPoints();
_pixelPairs = new List <PixelPair>();
var alreadySelectedPixelsIds = new List <int>();
var randomGenerator = new Random();
for (int index = 0; index <= pixelsToSelect - 1; index++)
{
if (!alreadySelectedPixelsIds.Contains(index))
{
alreadySelectedPixelsIds.Add(index);
int newIndex = randomGenerator.Next(index + 1, pixelsToSelect);
while (alreadySelectedPixelsIds.Contains(newIndex))
{
newIndex = randomGenerator.Next(index + 1, pixelsToSelect);
}
alreadySelectedPixelsIds.Add(newIndex);
_pixelPairs.Add(new PixelPair()
{
First = pixelCollection[index],
Second = pixelCollection[newIndex],
});
}
}
}
return;
}