IEnumerator SpawnCoroutine()
{
while (true)
{
yield return(new WaitForSeconds(this.spawnInterval));
if (!MapManager.IsMapOpened)
{
continue;
}
if (m_numTanksSpawned >= this.numTanksPerLevel)
{
continue;
}
if (MapManager.IsGameOver)
{
continue;
}
var enemyTanks = FindObjectsOfType <EnemyTank>();
if (enemyTanks.Length >= this.maxNumTanksAtATime)
{
continue;
}
// find position for spawning
// use only spawns which are not occupied
EnemySpawn[] spawns = MapManager.MapObjects.OfType <EnemySpawn>().Where(s => CanSpawnTankAt(s)).ToArray();
if (spawns.Length < 1)
{
continue;
}
EnemySpawn spawn = spawns[Random.Range(0, spawns.Length)];
// spawn new tank
m_numTanksSpawned++;
EnemyTank enemyTank = Instantiate(MapManager.Instance.enemyTankPrefab, new Vector3(spawn.transform.position.x, MapManager.Instance.enemyTankPrefab.transform.position.y, spawn.transform.position.z),
Quaternion.LookRotation(-Vector3.forward)).GetComponent <EnemyTank>();
enemyTank.SetParamsBasedOnCurrentLevel();
}
}
public static bool CanSpawnTankAt(EnemySpawn spawn)
{
return(CanSpawnTankAt(spawn.Position));
}