void Awake()
{
// Create empty object to contain all spawned enemies
_enemyEmptyParent = new GameObject("enemies");
_enemyEmptyParent.transform.parent = this.transform;
// Auto-find closest zone
if (_getClosestZone)
{
SpawnZone[] zones = FindObjectsOfType <SpawnZone>();
SpawnZone nearest = null;
// Find closest zone
if (zones.Length > 0)
{
float smallestDistance = float.MaxValue;
foreach (SpawnZone z in zones)
{
// Get distance to the zone
float dist = Vector3.Distance(z.transform.position, transform.position);
if (dist < smallestDistance)
{
smallestDistance = dist;
nearest = z;
}
}
}
if (nearest == null)
{
Debug.LogError("No Spawn Zones were found. Right click in the scene heirarchy to create a new zone.");
}
_zone = nearest;
}
// Register this script with the zone, or remove this script if there is no zone specified
if (_zone)
{
_zone.AddNode(this);
}
else
{
Debug.LogError("SpawnNode is not assigned to a SpawnZone. The node will be destroyed.", this);
Destroy(this);
}
}