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public class LightCulling :MonoBehaviour
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{
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  [SerializeField]private Gameobject playerCamera;
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  [SerializeField] private float shadowCullingDistance =15f;
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  [SerializeField] private float lightCullingDistance=30f;
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  private Light _light;
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  public bool enableShadows = false;
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  private void Awake(){
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    _light=GetComponent<Light>();
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    }
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  private void Update()
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  {
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  //Calculate the distance between a given object andthelight source
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  float cameraDistance =Vector3.Distance(playerCamera.transform.position,gameobject.transform.position);
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  if(cameraDistance <= shadowCullingDistance && enableShadows)
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    _light.shadows = LightShadows.Soft;
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  else
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    _light.shadows = LightShadows.None;
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  if (cameraDistance <= lightCullingDistance)
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    _light.enabled = true;
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  else
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    _light.enabled = false;
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  }