Writing data to a file

Just as we may wish to read data from a file, there are times when it is useful to save data to a file. For example, we may want to save data from our game into our local computer, whether for debugging, recording game testing experiments, and so on.

In this recipe, we’ll declare a data structure for player’s names and scores, and save the data for a player as a JSON text file.

Figure 10.13: Player name and score data saved as a JSON text file

How to do it...

To write data to a file, perform the following steps:

1. Create a new Unity 2D project.
2. Create a new, empty folder in the Project panel, named Data. We’ll write our JSON text file into this folder.
3. Create a new C# script class, PlayerScore, with the following code:

   using UnityEngine;
   using System;
   [Serializable]
   public class PlayerScore {
       public string name;
       public int score;
       public string ToJson() {
           bool prettyPrintJson...