Version: 2017.2
public float brightness ;

Descripción

The strength of the flare.

This controls the size and brightness of the flare elements.

See Also: Lens flare component, flare assets.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { public LensFlare lf; public Transform tr; void Update() { lf.brightness = 1 / Vector3.Distance(lf.transform.position, tr.position); } }