/// <summary>
/// Generates random planet positions.
/// </summary>
private List <Star> GenerateStarfield(int width, int height, int clusterCount, int clusterRadius, int clusteredStarCount, int voidStarCount, int minDistance)
{
//Create variables
Random rnd = new Random((int)DateTime.Now.Ticks);
List <Cluster> clusters = new List <Cluster>();
List <Star> stars = new List <Star>();
//Create clusters
for (int i = 0; i < clusterCount; i++)
{
while (true)
{
//Generate candidates
double candidateX = rnd.NextDouble() * width;
double candidateY = rnd.NextDouble() * height;
//Validate candidate coordinates - if they fail validation, we'll stay in the loop and iterate once more
bool failedValidation = false;
//Rule 1 - Clusters may not overlap with the map edge
if (candidateX - clusterRadius < 0 || candidateX + clusterRadius > width ||
candidateY - clusterRadius < 0 || candidateY + clusterRadius > height)
{
failedValidation = true;
}
if (failedValidation)
{
continue;
}
//Rule 2 - Clusters may not overlap with each other
foreach (Cluster cluster in clusters)
{
if (DistanceCalculator.GetDistance(candidateX, candidateY, cluster.X, cluster.Y) < 2 * clusterRadius)
{
failedValidation = true;
}
}
if (failedValidation)
{
continue;
}
//The cluster passed
clusters.Add(new Cluster()
{
X = candidateX, Y = candidateY
});
break;
}
}
//Create stars within clusters
for (int i = 0; i < clusteredStarCount; i++)
{
while (true)
{
//Select a cluster
Cluster selectedCluster = clusters[rnd.Next(0, clusters.Count)];
//Generate a position within the radius of the cluster
//Get polar coordinates (to express being in the cluster's radius
//these coordinates are interpreted as being relative to the cluster)
double distance = rnd.NextDouble() * clusterRadius;
double angle = rnd.NextDouble() * Math.PI * 2;
//Convert polar coordinates to cartesian coordinates
double candidateX = distance * Math.Cos(angle);
double candidateY = distance * Math.Sin(angle);
//Add cluster's coordinates to make these absolute coordinates
candidateX += selectedCluster.X;
candidateY += selectedCluster.Y;
//Validate candidate coordinates - if they fail validation, we'll stay in the loop and iterate once more
bool failedValidation = false;
//Rule 1 - Stars may not be closer to each other than the specified minimum distance.
foreach (Star star in stars)
{
if (DistanceCalculator.GetDistance(candidateX, candidateY, star.X ?? 0, star.Y ?? 0) < minDistance)
{
failedValidation = true;
}
}
if (failedValidation)
{
continue;
}
//The star passed
stars.Add(new Star()
{
Name = StarNameGenerator.GetStarName(),
Guid = Guid.NewGuid(),
X = candidateX,
Y = candidateY
});
break;
}
}
//Create stars in the void between clusters
for (int i = 0; i < voidStarCount; i++)
{
while (true)
{
//Get candidate coordinates
double candidateX = rnd.NextDouble() * width;
double candidateY = rnd.NextDouble() * height;
//Validate candidate coordinates - if they fail validation, we'll stay in the loop and iterate once more
bool failedValidation = false;
//Rule 1 - Stars may not be closer to each other than the specified minimum distance.
foreach (Star star in stars)
{
if (DistanceCalculator.GetDistance(candidateX, candidateY, star.X ?? 0, star.Y ?? 0) < minDistance)
{
failedValidation = true;
}
}
if (failedValidation)
{
continue;
}
//The star passed
stars.Add(new Star()
{
Name = StarNameGenerator.GetStarName(),
Guid = Guid.NewGuid(),
X = candidateX,
Y = candidateY
});
break;
}
}
//Done
return(stars);
}
static void Main(string[] args)
{
StarNameGenerator generator = new StarNameGenerator();
Console.WriteLine("-- Generating 20 names with following format: V,C,V,C,FA");
for (int i = 0; i < 20; i++)
{
if (i % 5 == 0)
{
Console.Write("\n\n");
}
Console.Write(string.Format("{0}, ", generator.GenerateName("V,C,V,C,FA")));
}
Console.WriteLine("\n\n\n-- Generating 20 names with following format: C,V,C,V,FA");
for (int i = 0; i < 20; i++)
{
if (i % 5 == 0)
{
Console.Write("\n\n");
}
Console.Write(string.Format("{0}, ", generator.GenerateName("C,V,C,V,FA")));
}
Console.WriteLine("\n\n\n-- Generating 20 names with following format: VD,CD,V,C");
for (int i = 0; i < 20; i++)
{
if (i % 5 == 0)
{
Console.Write("\n\n");
}
Console.Write(string.Format("{0}, ", generator.GenerateName("VD,CD,V,C")));
}
Console.WriteLine("\n\n\n-- Generating 20 names with following format: CD,VD,C,V");
for (int i = 0; i < 20; i++)
{
if (i % 5 == 0)
{
Console.Write("\n\n");
}
Console.Write(string.Format("{0}, ", generator.GenerateName("CD,VD,C,V")));
}
Console.WriteLine("\n\n\n-- Generating 20 names with following format: V,C,V,C");
for (int i = 0; i < 20; i++)
{
if (i % 5 == 0)
{
Console.Write("\n\n");
}
Console.Write(string.Format("{0}, ", generator.GenerateName("V,C,V,C")));
}
Console.WriteLine("\n\n\n-- Generating 20 names with following format: C,V,C,V");
for (int i = 0; i < 20; i++)
{
if (i % 5 == 0)
{
Console.Write("\n\n");
}
Console.Write(string.Format("{0}, ", generator.GenerateName("C,V,C,V")));
}
Console.WriteLine("\n\n\n-- Generating 20 names with prefix Greek letter names (i.e Alpha, Epsilon, etc): (format) GLN, ,C,V,C,V");
for (int i = 0; i < 20; i++)
{
if (i % 5 == 0)
{
Console.Write("\n\n");
}
Console.Write(string.Format("{0}, ", generator.GenerateName()));
}
Console.WriteLine("\n");
}
