using UnityEngine;
using UnityEngine.UI;

public class ImageMatPropChange : MonoBehaviour
{
    [SerializeField]
    private Image image;
    private Material mat;

    [SerializeField]
    private string propName = "_Color";
    private int propID = Shader.PropertyToID("_Color");

    void Start()
    {
        propID =  Shader.PropertyToID(propName);
        mat = image?.material;
    }

    void OnEnable()
    {
        mat?.SetFloat(propID, 1);
    }

    void OnDisable()
    {
        mat?.SetFloat(propID, 0);
    }

}