Material Array - Not Resetting to Default Value

Unity Engine
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1

Hey All,

I am working on a personal project and one of my concepts I am working with is an object with x number of materials assigned to this. I am trying to create a simple program that at the push of a button iterates over the materials assigned to the object one at a time. This part works.

What I am struggling with is I am trying to have it loop back around to its [0] index and the material in game is not updating.

Any help would be appreciated, thanks!

using UnityEngine;

public class Placeholder : MonoBehaviour
{

        public GameObject prefab;


        private MeshRenderer meshRenderer;


        private int currentMaterialIndex = 0;

        void Start()
        {
            // Check if the prefab is assigned
                // Get the MeshRenderer component from the prefab
                meshRenderer = prefab.GetComponent<MeshRenderer>();

        }


        void Update()
        {
            if (Input.GetKeyDown(KeyCode.Space))
            {
                NextMaterial();
            }
        }

    public void NextMaterial()
    {
        
        Material[] materials = meshRenderer.sharedMaterials; 

    
        if (materials.Length > 0)
        {
            // Increment the index
            currentMaterialIndex++;

            // Wrap around to the first material if the index exceeds the length
            if (currentMaterialIndex >= materials.Length)
            {
                currentMaterialIndex = 0;
            }

            // Assign the material at current index to the first element
            materials[0] = meshRenderer.sharedMaterials[currentMaterialIndex];  

            // Reassign the modified material array back to the MeshRenderer
            meshRenderer.sharedMaterials = materials;

            Debug.Log("Current Material Index: " + currentMaterialIndex);
        }
    }
}