How can I change the colour of an object when it collides with a user in a VR world. ,How can I make an object change colour upon collision with a user in a VR world?

Question

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

public class SilverFernScript : MonoBehaviour {

 void Start()
 {
     Renderer = GetComponet<Renderer>();
     private void OnPreRender()
     {
         renderer.sharedMaterial = Material[0];

     }
     private void OnCollisionEnter(Collision collision) 
     {
         if (collision.collider.tag == "User")
         {
             renderer.sharedMaterial = Material[1];
         }
         else
         {
             renderer.sharedMaterial = Material[2];


         }

        
     }
 }

}

How can I change the colour of an object I created and transferred into Unity when it collides with a user in a VR world??? (Using C#). My code has to include a loop, an "if" statement, a function and user interaction. PLEASE HELP!!!!! ,using System.Collections; using System.Collections.Generic; using UnityEngine;

public class SilverFernScript : MonoBehaviour {

 void Start()
 {
     Renderer = GetComponet<Renderer>();
     private void OnPreRender()
     {
         renderer.sharedMaterial = Material[0];

     }
     private void OnCollisionEnter(Collision collision) 
     {
         if (collision.collider.tag == "User")
         {
             renderer.sharedMaterial = Material[1];
         }
         else
         {
             renderer.sharedMaterial = Material[2];


         }

        
     }
 }

}

Answer 1

There are more than one question in your question.

Assuming you have a MeshRenderer on that object, you want to change the colour of that Renderer's Material, if it has a colour property.

 using UnityEngine;
 public class SilverFernScript : MonoBehaviour
 {
     [SerializeField] Material[] materials = new Material[2];
     Renderer _renderer;
 
     private void Awake ()
     {
         _renderer = GetComponent<Renderer>();
         _renderer.sharedMaterial = materials[0];
     }
     private void OnCollisionEnter(Collision collision) 
     {
         if ( collision.collider.CompareTag("User") )
             _renderer.sharedMaterial = materials[1];
     }
 }

You also need to add a Collider on the Camera (or anything linked to your VR player), and tag it as "User". You also need to add a Rigidbody component to at least one of the two, and set it as "Is Kinematic" so that it simply doesn't suffer Physics.

How can I change the colour of an object when it collides with a user in a VR world. ,How can I make an object change colour upon collision with a user in a VR world?

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