protected override void InternalFindNearest(IRow row)
{
var keyRow = EnsurePartialKeyRow(row);
try
{
ClearBuffer();
if (keyRow != null)
{
// TODO: Expand this to work with multiple column searches
var rangeBound = new RangeBound {
Bound = keyRow[0], Inclusive = true
};
var range = CreateRange(Direction, rangeBound, null);
SourceFetch(false, Direction, range);
}
}
finally
{
if (keyRow != null && !object.ReferenceEquals(row, keyRow))
{
keyRow.Dispose();
}
}
}
protected override bool InternalFindKey(IRow row, bool forward)
{
var keyRow = EnsureKeyRow(row);
try
{
// TODO: Expand this to work with multiple column searches
var rangeBound = new RangeBound {
Bound = keyRow[0], Inclusive = true
};
var direction = (Direction == ScanDirection.Forward && forward || Direction == ScanDirection.Backward && !forward) ? ScanDirection.Forward : ScanDirection.Backward;
var range = CreateRange(direction, rangeBound, null);
var set = _db.GetRange(TableNodeColumns(), range, MaxLimit);
if (set.Data.Count > 0)
{
ProcessFetchData(set, false, direction);
return(true);
}
return(false);
}
finally
{
if (!object.ReferenceEquals(row, keyRow))
{
keyRow.Dispose();
}
}
}
public List <Vector2> uniformDistance(RangeBound range, Vector2 center, float totalRotation = 0)
{
angles.Clear();
List <Vector2> positions = new List <Vector2>();
int n = Random.Range(range.min, range.max);
float partAngles = (2 * Mathf.PI) / n;
for (int i = 0; i < n; i++)
{
float rotation = Random.Range(-20 * Mathf.Deg2Rad, 20 * Mathf.Deg2Rad);
float angle = (partAngles * i) + rotation + totalRotation;
angles.Add(angle);
float x = Mathf.Cos(angle) * (radius_x);
float y = Mathf.Sin(angle) * (radius_y);
Vector2 pos = new Vector2(x, y) * Random.Range(minBound, maxBound);
positions.Add(pos + center);
}
return(positions);
}