using UnityEngine;
using System.Collections;

public class RainSystem : MonoBehaviour {
   
  // Max Emission Rate - 2000;
     public GameObject RainParticleSystem;

     public static float currentRate;
     private static float val;
     private static float oldRate;
     private static float slider;

     void Update()
     {
         currentRate = val;
         RainParticleSystem.particleSystem.emissionRate = currentRate;
     }
     public static void Rain(float rate)
  {
         oldRate = currentRate;
         StartCoroutine(EditVal(oldRate, rate, 1.0f));
  }
     IEnumerator EditVal(float from, float to, float timer)
     {
         float t = 0.0f;
         val = from;
         while (t < 1.0f)
         {
             t += Time.deltaTime * (1.0f / timer);
             val = Mathf.Lerp(from, to, t);
             yield return 0;
         }
     }
}