private PixelColor[,] DrawNoiseMap(IAlgorithmTarget target, PixelColor[,] source, NoiseMap noiseMap, PixelColor baseColor, PixelColor shapeColor, double cutoffValue)
{
var random = new Random();
float random1 = (float)random.NextDouble() * random.Next(-1, 1);
float random2 = (float)random.NextDouble() * random.Next(-1, 1);
float upperBounds = Math.Max(random1, random2);
float lowerBounds = Math.Min(random1, random2);
float boundsDistance = upperBounds - lowerBounds;
target.AlgorithmPixels.ForEach
(
pixel =>
{
var position = pixel.Position;
int x = (int)position.X, y = (int)position.Y;
var value = noiseMap.GetValue(x, y);
value = value.Clamp(lowerBounds, upperBounds);
var distanceFromLowerBounds = value - lowerBounds;
var offsetValue = (boundsDistance == 0.0f) ? 0.0f : distanceFromLowerBounds / boundsDistance;
//source[y, x] = ((value * 100) >= cutoffValue) ? shapeColor.Blend(baseColor, value) : baseColor;
source[y, x] = shapeColor.Blend(baseColor, offsetValue);
}
);
return(source);
}
private PixelColor[,] DrawRandomLine(IAlgorithmTarget target, PixelColor[,] source, IPixelsSource pixelsSource)
{
var random = new Random();
var direction = (SiblingDirection)random.Next(0, 7);
var length = random.Next(20, 100);
var currentCount = 0;
var randomColor = System.Windows.Media.Color.FromArgb(255, (byte)random.Next(0, 255), (byte)random.Next(0, 255), (byte)random.Next(0, 255)).ToPixelColor();
var currentPixel = target.AlgorithmPixels[random.Next(0, target.AlgorithmPixels.Count - 1)];
do
{
source[(int)currentPixel.Position.Y, (int)currentPixel.Position.X] = randomColor;
currentPixel = pixelsSource.GetSibling(currentPixel, direction, true);
++currentCount;
}while (currentPixel != null && currentCount < length);
return(source);
}
public PixelColor[,] DrawAlgorithm(IAlgorithmTarget target)
{
var pixelsSource = target.GetPixelsSource();
var copy = pixelsSource.ToPixelColorArray();
if (!target.AlgorithmPixels.Any())
{
return(copy);
}
var noiseMap = this.GenerateNoiseMap(copy.GetLength(0), copy.GetLength(1));
var baseColor = System.Windows.Media.Colors.SaddleBrown.ToPixelColor();
var shapeColor = System.Windows.Media.Colors.White.ToPixelColor();
var cutoffValue = new Random().Next(0, 100);
copy = this.DrawNoiseMap(target, copy, noiseMap, baseColor, shapeColor, cutoffValue);
return(copy);
}
