Loading Scenes in Unity:
Depending on the complexity of the game, you might want to divide it into different scenes. For example, one can create a scene for the game, and a scene for the main menu.
Start by going into File> Build Settings… and press Add Open Scenes. Notice that Scenes/Game has the number 0. This can be used to reference and call that scene later.
Create a “Game_Manager” object with a “GameManager” script. Follow it up by creating a new library called “UnityEngine.SceneManagement;”. After that, create a new bool called “_isGameOver” and set to false.
Then create a function called “GameOver” that changes the “isGameOver” bool option to true.
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Now create an if statement inside of the void update function that only activates if the R key is pressed and the game over bool is set to true. This allows the scene to be loaded.
Head over to the UI manager script and add in a GameManager handler and place in the element the Game_Manager object. In start, find the game component script.
After that create a new function that will handle the game over sequence UI and change “UpdateLives” function to utilize the new function.
