Time for action – creating spawns

The script we will be creating in this section will keep our game world populated with all the enemies our player might want to destroy:

1. We need another new script for this section. Once created, name it SpawnPoint.

2. This script begins simply with a few variables. The first variable will hold a reference to our EnemyTank prefab. We need it so we can spawn duplicates.

   public GameObject tankPrefab;

3. The second variable tracks the spawned tank. When it is destroyed we will create a new one. Using this variable we prevent the game from becoming overwhelmed with the enemy. There will only be as many tanks as spawn points.

   private GameObject currentTank;

4. The third variable is for setting a distance from the player, to prevent spawning tanks on top of the player. If the player is outside this distance, a new tank can be spawned. If they are within, a new tank will not be spawned.

   public float minPlayerDistance = 10;

5. The first function we will use is FixedUpdate. It will...