private Node TreeDistribution(Rectangle area, Color[] colors, BodyRenderer renderer)
{
var hexagons = new Node();
var radius = 2;
var spacing = 4;
var mapWidth = area.Width / spacing - 3;
var mapHeight = area.Height / spacing - 1;
var map = new HexagonMap<bool>(mapWidth, mapHeight);
var first = new Hexagon(Rand.Floor(mapWidth), Rand.Floor(mapHeight));
map[first] = true;
hexagons.Add(BuildHexagon(renderer, colors, first, radius, spacing));
var current = first;
var n = 5 + Rand.Floor(10);
for (int i = 0; i < n; i++)
{
var freeNeighbors = current.GetNeighborsWhere(hexagon => map.IsInBound(hexagon) && !map[hexagon]).ToArray();
if (!freeNeighbors.Any())
break;
current = freeNeighbors.RandomItem();
map[current] = true;
hexagons.Add(BuildHexagon(renderer, colors, current, radius, spacing));
}
return hexagons;
}