/// <summary>
/// Adds a new spawner. Sets up the spawn radius, radius sqr,
/// and frequency fields based on the parameters of this
/// function.
/// </summary>
public void AddSpawnType(ISpawner spawner, float spawnDensity, int spawnRadius)
{
spawner.SpawnRadius = spawnRadius;
spawner.SpawnFrequency = 122;
spawner.SpawnRadiusSqr = spawnRadius * spawnRadius;
spawner.SetFrequencyFromDensity(spawnDensity);
spawnTypes.Add(spawner);
}
