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Question by zolyiaandras · Jun 05, 2018 at 04:31 PM · lightrandom.rangeswitch

Change light color with a switch statement

Hi! First of all, I am a beginner, trying to put to use things I am learning on the internet. Today it's switch statements. I am trying to change the color of the light every 2 seconds, depending on the random number generated. The problem I encountered, is that the number stays 0 all the time. What am I doing wrong? Thanks!

using System.Collections; using System.Collections.Generic; using UnityEngine;

public class RandomColor : MonoBehaviour { private int randomNumber; public new Light light;

 private void Start()
 {
     light = gameObject.GetComponent<Light>();
 }

 private void Update()
 {
     float reset = 2f;
     float timer = Time.deltaTime;

     if (timer >= reset)
     {
         switch (randomNumber)
         {
             case 0:
                 break;
             case 1:
                 light.color = Color.blue;
                 Debug.Log("Color switched to blue!");
                 break;
             case 2:
                 light.color = Color.red;
                 Debug.Log("Color switched to red!");
                 break;
             case 3:
                 light.color = Color.green;
                 Debug.Log("Color switched to green!");
                 break;
         }
         randomNumber = Random.Range(1, 4);
         timer = 0f;
     }
 }

}

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Answer by Hellium · Jun 05, 2018 at 05:46 PM

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class RandomColor : MonoBehaviour
 {
 
     private int randomNumber;
     public new Light light;
     public float reset = 2f;
     private float timer = 0;
 
  private void Start()
  {
      light = gameObject.GetComponent<Light>();
      randomNumber = Random.Range(1, 4);
  }
  private void Update()
  {
      timer += Time.deltaTime ;
      if (timer >= reset)
      {
          switch (randomNumber)
          {
              case 0:
                  break;
              case 1:
                  light.color = Color.blue;
                  Debug.Log("Color switched to blue!");
                  break;
              case 2:
                  light.color = Color.red;
                  Debug.Log("Color switched to red!");
                  break;
              case 3:
                  light.color = Color.green;
                  Debug.Log("Color switched to green!");
                  break;
           }
          timer = 0f;
          randomNumber = Random.Range(1, 4);
      }
    }
 }

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avatar image zolyiaandras · Jun 05, 2018 at 06:13 PM 0
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Works like a charm. Thank you!

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