public K GetWeightedRandom()
{
lock ( Wheel )
{
var pos = 0f;
var target = BufUtils.RandomFloat(TotalSpaceSum);
foreach (var one in Wheel)
{
pos += one.Space;
if (pos >= target)
{
RandomFitEMA = (49 * RandomFitEMA + one.Space + MinFit - 1) / 50f;
DebugUtils.LogDebug(() => "Roulette: " + one.Id.ToString());
return(one.Id);
}
}
return(Wheel[BufUtils.RandomInt(Wheel.Count)].Id);
}
}
public static KeyValuePair <K, V> Random <K, V>(this IDictionary <K, V> dic)
{
return(dic.Skip(BufUtils.RandomInt(dic.Keys.Count - 1))
.Take(1).FirstOrDefault());
}
public static V RandomValue <K, V>(this IDictionary <K, V> dic)
{
return(dic[dic.Keys.Skip(BufUtils.RandomInt(dic.Keys.Count - 1))
.Take(1).FirstOrDefault()]);
}
