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Question by AndrewVanB · Nov 21, 2016 at 07:21 AM · text

Trying to change text colour based on random values.

I'm not sure why this isn't working, I'm trying to change the text colour based off a random value but the text remains the same colour on start.

 using UnityEngine;
 using UnityEngine.UI;
 using System.Collections;
 
 public class TextColorChanger : MonoBehaviour {
 
     public Text[] Change;
 
     void Start() {
         RainbowColour();
     }
 
     void RainbowColour() {
         float rCol, gCol, bCol;
 
         rCol = Random.Range(0, 255);
         gCol = Random.Range(0, 255);
         bCol = Random.Range(0, 255);
 
         Change[0].color = new Color(rCol, gCol, bCol);
         Change[1].color = new Color(rCol, gCol, bCol);
 
         Debug.Log("rCol: " + rCol + " gCol: " + gCol + " bCol: " + bCol);
     }
 }
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avatar image Dibbie · Nov 21, 2016 at 08:31 AM 0
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I would reccomend, converting this function into a for-loop, since your only calling it in Start.

 for (int i = 0; i < Change.Length; i++){
          rCol = Random.Range(0, 255);
          gCol = Random.Range(0, 255);
          bCol = Random.Range(0, 255);
  
          Change[i].color = new Color(rCol, gCol, bCol);
  
          Debug.Log("Text " + i + " color =  rCol: " + rCol + " gCol: " + gCol + " bCol: " + bCol);
 }

This will be able to tell you the random color its trying to choose, for each text... If they all return 0, then you know its a different problem, but if they are all returning different values that is not 0, then you could try something like:

 for (int i = 0; i < Change.Length; i++){
              rCol = Random.Range(0, 255);
              gCol = Random.Range(0, 255);
              bCol = Random.Range(0, 255);
             
             Color myNewColor = new Color(rCol, gCol, bCol);
             
              Change[i].color = myNewColor;
      
              Debug.Log("Text " + i + " color =  " + myNewColor);
     }

And see if you get the same problem.

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