public void GetClosest(float2 pos, float range, NativeList <Result> items, int maxResults)
{
var min = math.max(0, (int2)((pos - range) / _cellSize));
var max = math.min(_gridSize - 1, (int2)((pos + range) / _cellSize));
var rangeSq = Math.Square(range);
for (int y = min.y; y <= max.y; y++)
{
for (int x = min.x; x <= max.x; x++)
{
if (Get(new int2(x, y), out var l))
{
for (int i = 0; i < l.Length; i++)
{
var item = new Result {
Item = l[i], Dist = math.lengthsq(l[i].Position - pos)
};
if (item.Dist < rangeSq)
{
if (items.Length < maxResults)
{
items.Add(item);
}
var i1 = items.Length - 1;
while (i1 != 0 && item.Dist < items[i1 - 1].Dist)
{
items[i1] = items[i1 - 1];
--i1;
}
items[i1] = item;
if (items.Length == maxResults)
{
rangeSq = items[items.Length - 1].Dist;
}
}
}
}
}
}
}