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Question by TivDev · Jan 02, 2017 at 11:42 AM · c#prefabmaterial

Change material of a single prefab

I want to change the material of a prefab every time damage is equal 2, however this changes every single instance of the prefab.

This the script in the prefab

 public Material[] materials;
 public Renderer rend;

 void start()
     {
 
         rend = GetComponent<Renderer>();
         rend.enabled = true;
 
         damage = 1;
     }
  void Update()
   {
         if (damage == 2)
         {
             rend.material = materials[0];
         }
         
 }

this one is the player's script that instantiate the prefabs.

 public Rigidbody ball;
 
  private void Shotter()
         {
             if (Input.GetMouseButton(0) && ballSpeed< 50.0f)
             { 
                 ballSpeed += 25.0f * Time.deltaTime;
                 //Debug.Log(ballSpeed);
                 filler.fillAmount += 0.5f  * Time.deltaTime;
                 
             }
 
             if (Input.GetMouseButtonUp(0) && ballNumber < ballNumberLimit)
             {
 
                 Rigidbody ballInstance;
                 ballInstance = Instantiate(ball, barrelEnd.position, barrelEnd.rotation) as Rigidbody;
                 cubes.Add(ballInstance);
                 ballInstance.velocity = barrelEnd.forward * ballSpeed;
                 ballSpeed = 0.0f;
                 filler.fillAmount = 0.0f;
                 ballNumber += 1;
 
                
 
             }
         }

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avatar image UnityCoach · Jan 02, 2017 at 12:10 PM 1
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Prefabs are no longer Prefabs at runtime. I don't see any problem in your code. Are you sure that the damage value is different for every instance?

avatar image TivDev UnityCoach · Jan 04, 2017 at 05:01 AM 0
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yeah that was it, I was using a static variable for the damage. I'm an idiot.

Love you!

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Answer by SamElTerrible · Jan 02, 2017 at 04:54 PM

I have a similar code and it works fine for me. Maybe try setting the prefab's renderer to private? There is no need to expose it if you're finding it through GetComponent and it might be the cause of your issue.

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