Unity/3d/太陽移動

"Directional Light"をdirectionalLightに

using UnityEngine;
public class SunScene : MonoBehaviour
{
    [SerializeField] GameObject directionalLight;
    float x = 0;
    void Update()
    {
        x++;
        directionalLight.transform.localRotation = Quaternion.Euler(x, -30f, 0f);
    }
}