public static DanmakuField FindClosest(Vector2 position)
{
if (_fields == null)
{
_fields = new List <DanmakuField>();
_fields.AddRange(FindObjectsOfType <DanmakuField>());
}
if (_fields.Count == 0)
{
DanmakuField encompassing =
new GameObject("Danmaku Field").AddComponent <DanmakuField>();
encompassing.useClipBoundary = false;
_fields.Add(encompassing);
}
if (_fields.Count == 1)
{
return(_fields[0]);
}
DanmakuField closest = null;
float minDist = float.MaxValue;
foreach (var field in _fields)
{
Vector2 diff = field.bounds.Center - position;
float distance = diff.sqrMagnitude;
if (distance >= minDist)
{
continue;
}
closest = field;
minDist = distance;
}
return(closest);
}
private void Awake()
{
boundary = GetComponent <BoxCollider2D>();
if (field == null)
{
print("No field provided, searching in ancestor GameObjects...");
field = GetComponentInParent <DanmakuField>();
}
if (field == null)
{
Debug.LogError("Field Boundary without a DanmakuField");
}
else
{
UpdatePosition();
}
}
