Implementing a system to connect object references

Level 1 signals level 2 to load when the Level 1 completes pop up's Next button is pressed; it signals for the _level1 GameObject to be destroyed and the _level2 GameObject to be loaded from the LEVEL2 scene file. We must refactor the start-up logic of _level2 so that we can find and connect some object references to GameObjects in the _global hierarchy.

1. Create a new script named Level2Extras, and attach an instance of it to the _level2 GameObject. This script will be used to directly access certain GameObjects inside _level2 for enabling and disabling.

2. Give the Level2Extras script the following three public GameObject references; these are the assorted GameObjects that this script will be in charge of activating:

   public GameObject raceStartup;
   public GameObject setupLevel2;
   public GameObject LevelLogicObj;
   

3. Drag-and-drop the LevelLogicObj object from the _level2 GameObject hierarchy into the LevelLogicObj reference of the Level2Extras script...