Updating PlayState

Now that we have our EnemySpawner class and we've updated our Enemy class to work with it, we need to go and change a few things in PlayState to make it all work. Open up the PlayState class, and we'll get to work.

Removing old functionality

To start, we'll go through and remove things we no longer need. First, remove the following variable:

private var numEnemies:Int = 20;

Next, go into the constructor and remove the block where we're instantiating enemies:

var enemy:Enemy;
for (i in 0...numEnemies) {
  enemy = new Enemy();
  enemyLayer.add(enemy);
}

The spawner will do this for us, so PlayState is no longer responsible for handling enemies like this.

Using EnemySpawner

Now we just need to change our enemy layer to use our EnemySpawner class. First, update the variable:

private var enemyLayer:EnemySpawner;

Then in the constructor, make sure that we're instantiating the EnemySpawner class instead of a FlxGroup class:

enemyLayer = new EnemySpawner();

Since the EnemySpawner object is...