private Species GetKey(Vector3 worldPos)
{
var sqr = radius * radius;
var nears = lifes
.Where(v => (v.transform.position - worldPos).sqrMagnitude < sqr);
var count = nears.Count();
int modelIndex = -1;
int colorIndex = -1;
if (count > 0 && !Interfered())
{
var modelTabs = new Tabulator <int, float>();
foreach (var n in nears.Select(v => v.CurrentKey))
{
modelTabs[n.model]++;
}
var max = modelTabs.Values.Max();
int valueIndex;
if (RouletteWheelSelection.Sample(out valueIndex, 100, max, modelTabs.ValuesAsList))
{
modelIndex = modelTabs.KeysAsList[valueIndex];
}
var colors = nears.Where(v => v.CurrentKey.model == modelIndex);
var colorCount = colors.Count();
if (colorCount > 0 && !Interfered())
{
var colorTabs = new Tabulator <int, float>();
foreach (var n in colors.Select(v => v.CurrentKey))
{
colorTabs[n.color]++;
}
var maxColor = colorTabs.Values.Max();
int colorTabIndex;
if (RouletteWheelSelection.Sample(out colorTabIndex, 100, maxColor, colorTabs.ValuesAsList))
{
colorIndex = colorTabs.KeysAsList[colorTabIndex];
}
}
}
if (modelIndex < 0)
{
modelIndex = Random.Range(0, LifeStrage.Instance.models.Length);
}
var model = LifeStrage.Instance.GetModel(modelIndex);
if (colorIndex < 0)
{
colorIndex = Random.Range(0, model.colors.Length);
}
var spec = new Species(modelIndex, colorIndex);
Debug.LogFormat("Chosen key={0} neighbors={1}", spec, count);
return(spec);
}
