public static IsLandShapeGen MakeRadial(uint seed)
{
ParkMillerRNG isLandRandom = new ParkMillerRNG();
isLandRandom.Seed = seed;
uint bumps = isLandRandom.NextIntRange(1, 6);
double startAngle = isLandRandom.NextDoubleRange(0, 2 * Mathf.PI);
double dipAngle = isLandRandom.NextDoubleRange(0, 2 * Mathf.PI);
double dipWidth = isLandRandom.NextDoubleRange(0.2, 0.7);
bool inside(Vector2f q)
{
double angle = Mathf.Atan2(q.y, q.x);
float max = Mathf.Max(Mathf.Abs(q.x), Mathf.Abs(q.y));
float length = 0.5f * (max + q.magnitude);
double f = bumps + 3.0f;
double r1 = 0.5f + 0.40f * System.Math.Sin(startAngle + bumps * angle + System.Math.Cos(f * angle));
double r2 = 0.7 - 0.20 * System.Math.Sin(startAngle + bumps * angle - System.Math.Sin((bumps + 2) * angle));
if (System.Math.Abs(angle - dipAngle) < dipWidth ||
System.Math.Abs(angle - dipAngle + 2 * System.Math.PI) < dipWidth ||
System.Math.Abs(angle - dipAngle - 2 * System.Math.PI) < dipWidth)
{
r1 = r2 = 0.2;
}
return(length < r1 || (length > r1 * ISLAND_FACTOR && length < r2));
}
IsLandShapeGen islandShapeGen = inside;
return(islandShapeGen);
}
public static PointGen generateRandom(int size, uint seed)
{
List <Vector2f> generate(int numPoint)
{
ParkMillerRNG mapRandom = new ParkMillerRNG();
mapRandom.Seed = seed;
List <Vector2f> points = new List <Vector2f>();
for (int i = 0; i < numPoint; i++)
{
double mx = mapRandom.NextDoubleRange(10, size - 10);
double my = mapRandom.NextDoubleRange(10, size - 10);
Vector2f p = new Vector2f(mx, my);
points.Add(p);
}
return(points);
}
PointGen pGen = generate;
return(pGen);
}