private List <DistrictCell> GenerateDistrictCells(VoronoiDiagram voronoi)
{
//Create a district cell from the voronoi cells
var districtCells = new List <DistrictCell>();
foreach (var cell in voronoi.GetCellsInBounds())
{
//ignore cells that are not valid
if (cell.Edges.Count < 2)
{
continue;
}
districtCells.Add(DistrictCell.FromCell(cell, _citySettings.DistrictSettings[0].Type));
}
//tag random cells based on the settings for each district
foreach (var setting in _citySettings.DistrictSettings)
{
for (int i = 0; i < setting.Frequency; ++i)
{
//Get a random start cell from the voronoi
var startCell = districtCells.GetRandomValue();
//size is a ratio of the width and length of the plane
var size = setting.Size * ((voronoi.Bounds.Right + voronoi.Bounds.Bottom) / 8);
//tag cell
districtCells.TagCells(startCell, size, setting.Type);
}
}
return(districtCells);
}
private void DrawVoronoiDiagram()
{
var pointColor = Color.FromRgb(25, 25, 25);
var triangleColor = Color.FromRgb(50, 50, 50);
var lineColor = Color.FromRgb(22, 22, 22);
if (_voronoiDiagram != null)
{
//Show Bounds
if (ShowBounds == true)
{
_drawService.DrawRectangle(_voronoiDiagram.Bounds, Colors.Red);
}
//Draw Triangulation
if (_voronoiDiagram.Triangulation != null)
{
foreach (var t in _voronoiDiagram.Triangulation)
{
//Fill triangles in a random color
if (ColorTriangles)
{
_drawService.DrawPolygon(t, Extensions.Extensions.RandomColor());
}
if (DrawTriangles == true)
{
_drawService.DrawTriangle(t, triangleColor);
}
}
}
//Voronoi Colors
if (_voronoiDiagram.VoronoiCells != null && ColorVoronoi.Value == true || DrawVoronoi.Value == true)
{
foreach (var cell in _voronoiDiagram.GetCellsInBounds())
{
var c = (ColorVoronoi == true) ? _baseColor.GetRandomColorOffset(0.2) : lineColor;
_drawService.DrawCell(cell, c, ColorVoronoi.Value);
}
}
}
//Draw Points
if (DrawPoints == true)
{
foreach (var p in _points)
{
_drawService.DrawPoint(p, PointSize, pointColor);
if (ShowPointInfo == true)
{
_drawService.DrawText(p.ToString(), pointColor, p);
}
}
}
}