using UnityEngine;
using System.Collections;

public class blink : MonoBehaviour {

        bool change = false;

    void Start () {
        renderer.material.color = Color.red;
    }

    void Update () {
        if (change || Input.GetButtonDown("blink"))
        {
                        change = true;
            renderer.material.color = Color.Lerp(renderer.material.color, Color.black, Time.deltaTime)
        }
    }
}