gistfile1.txt

using UnityEngine;
using System.Collections;

public class LightAnimation : MonoBehaviour
{
    public Light light;

    [Range(0.1f, 5f)]
    public float baseIntensity = 3.5f;

    [Range(0.8f, 1f)]
    public float repeat = 0.9f;

    [Range(0.5f, 0.9f)]
    public float repeatRequirement = 0.7f;

    [Range(0.1f, 1f)]
    public float minTimeout = 0.3f;

    [Range(0.1f, 8f)]
    public float randTimeout = 1f;

    private float current = 1f;
    private float target = 1f;
    private float timeout = 0f;
    
	void Start ()
    {
    }
	
	void FixedUpdate ()
    {

        if (Random.value > 0.97f && current > 0.9f && timeout <= 0f)
        {
            target = Random.value * 0.7f + 0.3f;
            current = 0.989f;
            timeout = 1f;
        }

        if (current < 0.99f)
        {
            if(Mathf.Abs(current - target) < 0.05f)
            {
                target = 1f;
            }

            current = Mathf.Lerp(current, target, Time.deltaTime * 20f);

            if(current >= 0.99f)
            {
                timeout = minTimeout + (Random.value * randTimeout);
            }
            else if(current > repeatRequirement && Random.value > repeat)
            {
                target = Random.value * 0.7f + 0.3f;
            }
        }

        if(timeout > 0f)
        {
            timeout -= Time.deltaTime;
        }

        light.intensity = current * baseIntensity;
    }
}