Hint: Click on the Spawn Manager object and look at the “Ball Prefabs” array
Hint: Click on the Player object and look at the “Dog Prefab” variable
Hint: Check out the box collider on the dog prefab
Hint: In the DestroyOutOfBounds script, double-check the lowerLimit and bottomLimit variables, the greater than vs less than signs, and which position (x,y,z) is being tested
Hint: In the SpawnRandomBall() method, you should declare a new random int index variable, then incorporate that variable into the the Instantiate call
Hint: Set the spawnInterval value to a new random number between 3 and 5 seconds in the SpawnRandomBall method
Hint: Search for Time.time in the Unity Scripting API and look at the example. And don’t worry if you can’t figure it out - this is a very difficult challenge.