Issues creating a progress bar

Question

I am tasked with creating a progress bar using Unity's GUI system. The way I am creating this GUI is that I made a background window and then I added a Texture2D that will represent the progress bar.

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I got this showing on the screen during run time, which is good, but it spams an error message in my console window; it reads: Exception: not implemented and it points to a line of code found here: (I will go ahead and add the rest of my code)

 using UnityEngine;
 using System.Collections;
 using Simulation;
 using System;
 [ExecuteInEditMode]
 public class ProgressTracker : MonoBehaviour
 {
     //Singleton
     public static ProgressTracker objectInstance;
 
     //GUI Elements
     public Rect GUIRectWindow; // the GUI background for the progress tracker
     public Rect GUIRectProgressBar; // the GUI background for the progress tracker
     public Texture2D m_texture; // draws our progress bar (I have a small white square)
     private int _TotalGestureCount = 0;
     private float percetange;
 
     void Start()
     {
         if (objectInstance == null)
         {
             objectInstance = this;//keep using the same game object
             DontDestroyOnLoad(gameObject);
         }
         else
             Destroy(this);
 
         percetange = 0;
         _TotalTaskCount = TaskCollection._tasksSum;        
     }
 
     // Update is called once per frame
     void OnGUI()
     {
         if (!Application.isLoadingLevel)
         {
             percetange = (NewReferentManager.Get.CompletedTasks / _TotalTaskCount) * 100; //calculates the current percentage
             GUI.Box(GUIRectWindow, "Progress: " + percetange.ToString() + "%");// outputs the percentage
             GUI.DrawTexture(GUIRectProgressBar, m_texture);//draws our backdrop window
             
             m_texture.width = (int)percetange; // THIS IS WHERE I AM GETTING THE ERROR
         }
     }
 }

Can anyone help me figure out why I am getting this error? Thank you in advance!

Answer 1

I figured out what the problem was. Here is the complete code to help anyone else who may be having the same issue:

 using UnityEngine;
 using System.Collections;
 using Simulation;
 using System;
 [ExecuteInEditMode]
 public class ProgressTracker : MonoBehaviour
 {
     //Singleton
     public static ProgressTracker objectInstance;
 
     //GUI Elements
     public Rect GUIRectWindow; // the GUI background for the progress tracker
     public Texture2D m_texture;
     private int _TotalTaskCount = 0;
     private float percetange;
     private const int _MAXVAL = 150;
     private Vector2 progressBarPos = new Vector2(26, 53);
     private Vector2 progressBarSize = new Vector2(_MAXVAL, 20);
     void Start()
     {
         if (objectInstance == null)
         {
             objectInstance = this;//keep using the same game object
             DontDestroyOnLoad(gameObject);
         }
         else
             Destroy(this);
 
         percetange = 0;
         _TotalTaskCount = TaskCollection._tasksSum;          
     }
 
     // Update is called once per frame
     void OnGUI()
     {
         if (!Application.isLoadingLevel)
         {
             percetange = (float)Math.Round((NewReferentManager.Get.CompletedTasks / _TotalTaskCount) * 100);
             GUI.Box(GUIRectWindow, "Progress: " + percetange.ToString() + "%");
 
             GUI.DrawTexture(new Rect(progressBarPos.x, progressBarPos.y, //position
                                      percetange * Mathf.Clamp01(progressBarSize.x), progressBarSize.y), //size
                                      m_texture); //the texture            
         }
     }
 }

Issues creating a progress bar

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