private void AddToCenterList(List <Characteristics.Center> centers, Characteristics.Center center)
{
if (center != null && centers.IndexOf(center) < 0)
{
centers.Add(center);
}
}
private void Build(Polygon polygon, VoronoiBase voronoi)
{
Dictionary <Point, Characteristics.Center> centerLoopup = new Dictionary <Point, Characteristics.Center>();
foreach (var point in polygon.Points)
{
Characteristics.Center center = new Characteristics.Center
{
id = data.centers.Count,
pos = point.ToVector(),
neighbours = new List <Characteristics.Center>(),
borders = new List <Characteristics.Border>(),
corners = new List <Characteristics.Corner>()
};
data.centers.Add(center);
centerLoopup[point] = center;
}
foreach (var face in voronoi.Faces)
{
face.BorderLooping(halfEdge =>
{
Point voronoiEdge1 = halfEdge.Origin;
Point voronoiEdge2 = halfEdge.Twin.Origin;
Point delaunayEdge1 = polygon.Points[halfEdge.Face.ID];
Point delaunayEdge2 = polygon.Points[halfEdge.Twin.Face.ID];
Characteristics.Border border = new Characteristics.Border
{
id = data.borders.Count,
midPoint = new Vector2((float)(voronoiEdge1.X + voronoiEdge2.X) / 2, (float)(voronoiEdge1.Y + voronoiEdge2.Y) / 2),
v0 = MakeCorner(voronoiEdge1),
v1 = MakeCorner(voronoiEdge2),
d0 = centerLoopup[delaunayEdge1],
d1 = centerLoopup[delaunayEdge2]
};
if (border.d0 != null)
{
border.d0.borders.Add(border);
}
if (border.d1 != null)
{
border.d1.borders.Add(border);
}
if (border.v0 != null)
{
border.v0.protrudes.Add(border);
}
if (border.v1 != null)
{
border.v1.protrudes.Add(border);
}
data.borders.Add(border);
if (border.d0 != null && border.d1 != null)
{
AddToCenterList(border.d0.neighbours, border.d1);
AddToCenterList(border.d1.neighbours, border.d0);
}
if (border.v0 != null && border.v1 != null)
{
AddToCornerList(border.v0.adjacent, border.v1);
AddToCornerList(border.v1.adjacent, border.v0);
}
if (border.d0 != null)
{
AddToCornerList(border.d0.corners, border.v0);
AddToCornerList(border.d0.corners, border.v1);
}
if (border.d1 != null)
{
AddToCornerList(border.d1.corners, border.v0);
AddToCornerList(border.d1.corners, border.v1);
}
if (border.v0 != null)
{
AddToCenterList(border.v0.touches, border.d0);
AddToCenterList(border.v0.touches, border.d1);
}
if (border.v1 != null)
{
AddToCenterList(border.v1.touches, border.d0);
AddToCenterList(border.v1.touches, border.d1);
}
});
}
}
// Assigning habitats to each polygon meaning that if there is sealine or sea next to it,
// then it is habitat otherwise it will depend on the humidity. it will check whether it is high low or medium humidity.
private static string GetHabitat(Characteristics.Center p)
{
if (p.sea)
{
return("SEA");
}
else if (p.water)
{
if (p.built < 0.1f)
{
return("MARSH");
}
if (p.built > 0.8f)
{
return("ICE");
}
return("LAKE");
}
else if (p.sealine)
{
return("BEACH");
}
else if (p.built > 0.8f)
{
if (p.humidity > 0.50f)
{
return("SNOW");
}
else if (p.humidity > 0.33f)
{
return("TUNDRA");
}
else if (p.humidity > 0.16f)
{
return("BARE");
}
else
{
return("SCORCHED");
}
}
else if (p.built > 0.6f)
{
if (p.humidity > 0.66f)
{
return("TAIGA");
}
else if (p.humidity > 0.33f)
{
return("SHRUBLAND");
}
else
{
return("TEMPERATE_DESERT");
}
}
else if (p.built > 0.3f)
{
if (p.humidity > 0.83f)
{
return("TEMPERATE_RAIN_FOREST");
}
else if (p.humidity > 0.50f)
{
return("TEMPERATE_DECIDUOUS_FOREST");
}
else if (p.humidity > 0.16f)
{
return("GRASSLAND");
}
else
{
return("TEMPERATE_DESERT");
}
}
else
{
if (p.humidity > 0.66f)
{
return("TROPICAL_RAIN_FOREST");
}
else if (p.humidity > 0.33f)
{
return("TROPICAL_SEASONAL_FOREST");
}
else if (p.humidity > 0.16f)
{
return("GRASSLAND");
}
else
{
return("SUBTROPICAL_DESERT");
}
}
}
