void CheckForValidAddBirdCollision(Collider2D other)
{
FlockAgent agent = other.GetComponentInParent <FlockAgent>();
// If a flock agent runs into this trigger, add all the birds in this flock to that flock
if (agent != null && !flockManager.InFlock(agent))
{
FlockManager otherFlock = agent.transform.root.GetComponent <FlockManager>();
if (otherFlock != null)
{
otherFlock.AddBirdsFromFlock(flockManager, flockManager.GetNumberOfAgents());
Destroy(gameObject);
}
}
}