void VoronoiTesselation()
{
bool usesUserDefinedSites = false;
if (voronoiSites != null && voronoiSites.Count > 0)
{
numProvinces = voronoiSites.Count;
usesUserDefinedSites = true;
}
if (centers == null || centers.Length != numProvinces)
{
centers = new Point[numProvinces];
}
for (int k = 0; k < centers.Length; k++)
{
if (usesUserDefinedSites)
{
Vector2 p = voronoiSites[k];
centers[k] = new Point(p.x, p.y);
}
else
{
centers[k] = new Point(UnityEngine.Random.Range(-0.49f, 0.49f), UnityEngine.Random.Range(-0.49f, 0.49f));
}
}
if (voronoi == null)
{
voronoi = new VoronoiFortune();
}
for (int k = 0; k < goodGridRelaxation; k++)
{
voronoi.AssignData(centers);
voronoi.DoVoronoi();
if (k < goodGridRelaxation - 1)
{
for (int j = 0; j < numProvinces; j++)
{
Point centroid = voronoi.cells[j].centroid;
centers[j] = (centers[j] + centroid) / 2;
}
}
}
// Make cell regions: we assume cells have only 1 region but that can change in the future
for (int k = 0; k < voronoi.cells.Length; k++)
{
VoronoiCell voronoiCell = voronoi.cells[k];
Vector2 center = voronoiCell.center.vector3;
MapProvince cell = new MapProvince(center);
MapRegion cr = new MapRegion(cell);
if (edgeNoise > 0)
{
cr.polygon = voronoiCell.GetPolygon(voronoiCell.center, edgeMaxLength, edgeNoise);
}
else
{
cr.polygon = voronoiCell.GetPolygon();
}
if (cr.polygon != null)
{
// Add segments
int segmentsCount = voronoiCell.segments.Count;
for (int i = 0; i < segmentsCount; i++)
{
Segment s = voronoiCell.segments[i];
if (!s.deleted)
{
if (edgeNoise > 0)
{
cr.segments.AddRange(s.subdivisions);
}
else
{
cr.segments.Add(s);
}
}
}
cell.region = cr;
mapProvinces.Add(cell);
}
}
}
void SetupIrregularGrid()
{
Point[] centers = new Point[_numCells];
for (int k=0;k<centers.Length;k++) {
centers[k] = new Point(UnityEngine.Random.Range (-0.49f, 0.49f), UnityEngine.Random.Range (-0.49f, 0.49f));
}
VoronoiFortune voronoi = new VoronoiFortune ();
for (int k=0;k<goodGridRelaxation;k++) {
voronoi.AssignData (centers);
voronoi.DoVoronoi ();
if (k <goodGridRelaxation-1) {
for (int j=0;j<_numCells;j++) {
Point centroid = voronoi.cells[j].centroid;
centers[j] = (centers[j] + centroid)/2;
}
}
}
// Make cell regions: we assume cells have only 1 region but that can change in the future
float curvature = goodGridCurvature;
for (int k=0; k<voronoi.cells.Length; k++) {
VoronoiCell voronoiCell = voronoi.cells[k];
Cell cell = new Cell(k.ToString(), voronoiCell.center.vector3);
Region cr = new Region (cell);
if (curvature>0) {
cr.polygon = voronoiCell.GetPolygon(3, curvature);
} else {
cr.polygon = voronoiCell.GetPolygon(1, 0);
}
if (cr.polygon!=null) {
// Add segments
for (int i=0;i<voronoiCell.segments.Count;i++) {
Segment s = voronoiCell.segments[i];
if (!s.deleted) {
if (curvature>0) {
cr.segments.AddRange(s.subdivisions);
} else {
cr.segments.Add (s);
}
}
}
cell.polygon = cr.polygon.Clone();
cell.region = cr;
cells.Add (cell);
}
}
}
