Loading Scenes in Unity

  • I started by going into my “UIManager” script and creating another Text variable named “_restartText” and added the [SerializeField] attribute to allow access in the Inspector.
  • I then dragged the “Restart_Text” object from the Hierarchy panel into the “Restart Text” slot.
Adding Text Variable ‘_restartText’
Dragging Restart_Text into Corresponding Slot
  • To make it easier to find the game over logic and avoid too much clutter, I separated the game over logic into its own method inside the “UIManager” script and named it “GameOverSequence()”. When current lives equal 0, I call on the newly created method, “GameOverSequence()”.
  • Next, I created an empty object and named it “GameManager”.
  • I then created a C# script with the same name and attached it to the “GameManager” game object I just created.

Loading a Scene

The next step is to enter the logic for when a player presses the ‘R’ key.

Note: In order to manage scenes in Unity, you must include the SceneManagement namespace library.
  • Inside the “GameManager” script, I added the following code.
Adding Code to GameManager Script
Note: I named my current scene, "Game". In order to load the scene, I used the name of the scene in the following line: SceneManager.LoadScene("Game");For quicker loading, as Strings are a little slower, you could use the scene number. In this case it would have been written as follows:SceneManager.LoadScene(0);
  • I had to add a handle to the GameManager in the “UIManager” script and check that the GameManager isn’t null.
  • I added the code to “Find” the GameManager component.
  • I then I added the call to the “GameOver()” method in the “GameOverSequence()” method.
Adding Code to UIManager Script
Calling GameOver()
  • In order to get the scene to load when pressing the ‘R’ key, I need to add the scene to the build settings.
Adding Scene to Build Settings

Checking if Scene Loads

Finally, I play the game and lose my 3 lives to see if pressing the ‘R’ key activates “LoadScene”. Just as I expected…..Game restarts as intended.

Testing LoadScene

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James Hills

James Hills

I am a married father of 5 children. I decided at 13 years of age that I was going to become a Software Developer.