public static Color GetTheClosestPixel(Color c, Color[] colorsArray)
{
int distance = int.MaxValue;
Color? closestColor = null;
for (int i = 0; i < colorsArray.Count(); i++)
{
var dist = DistanceBetweenPixels(c, colorsArray[i]);
if (dist == 0)
{
closestColor = colorsArray[i];
return (Color) closestColor;
}
if (distance > dist)
{
distance = dist;
closestColor = colorsArray[i];
}
}
return closestColor ?? c;
}
// Paints the map to the graphics
public void Paint(System.Drawing.Graphics g, bool drawBiomes, bool drawRivers, bool drawSites, bool drawCorners, bool drawDelaunay, bool drawVoronoi, bool noisyEdges, bool smoothBlending, bool lighting)
{
int numSites = centers.Count;
// If we want to just see the dalaunay, set the color of the graph to grey
System.Drawing.Color[] defaultColors = null;
if (!drawBiomes && drawDelaunay)
{
defaultColors = new System.Drawing.Color[numSites];
for (int i = 0; i < defaultColors.Count(); i++)
{
defaultColors[i] = System.Drawing.Color.FromArgb(192, 192, 192);
}
}
// Otherwise show colorful voronoi polygons!
else if (!drawBiomes)
{
defaultColors = new System.Drawing.Color[numSites];
for (int i = 0; i < defaultColors.Count(); i++)
{
defaultColors[i] = System.Drawing.Color.FromArgb(r.Next(255), r.Next(255), r.Next(255));
}
}
// Draw the voronoi polygons
foreach (Center c in centers)
{
DrawPolygon(g, c, drawBiomes ? GetColor(c.biome) : defaultColors[c.index], noisyEdges, smoothBlending, lighting, drawBiomes);
}
// Draw the delaunay edges if wanted, draw rivers if wanted
foreach (DEdge e in edges)
{
if (drawDelaunay)
{
g.DrawLine(System.Drawing.Pens.Yellow, (int)e.d0.loc.x, (int)e.d0.loc.y, (int)e.d1.loc.x, (int)e.d1.loc.y);
}
if (drawRivers && e.river > 0)
{
g.DrawLine(new System.Drawing.Pen(RIVER, (1 + (int)Math.Sqrt(e.river * 2))), (int)e.v0.loc.x, (int)e.v0.loc.y, (int)e.v1.loc.x, (int)e.v1.loc.y);
}
}
// Draw the centers of each voronoi polygon
if (drawSites)
{
foreach (Center c in centers)
{
g.FillEllipse(System.Drawing.Brushes.Black, (int)(c.loc.x - 2), (int)(c.loc.y - 2), 4, 4);
}
}
// Draw the corners of eahc voronoi polygon
if (drawCorners)
{
foreach (Corner c in corners)
{
g.FillEllipse(System.Drawing.Brushes.Black, (int)(c.loc.x - 2), (int)(c.loc.y - 2), 4, 4);
}
}
// Draw the bounds
g.DrawRectangle(System.Drawing.Pens.White, (int)bounds.x, (int)bounds.y, (int)bounds.width, (int)bounds.height);
}
