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

public class ShaderRotation : MonoBehaviour
{
    public Material mat;
    public GameObject rotationTarget;

    [ExecuteInEditMode]
    void Update()
    {
        if(mat != null && rotationTarget != null) {
            mat.SetFloat("_Rotation", rotationTarget.transform.rotation.eulerAngles.y);
        }
    }
}