using UnityEngine;
using System.Collections;

public class Test : MonoBehaviour {

    public float[] yPos;
    private Transform myTransform;
    public float dmgDist;
    
    
    private void Start () {
  myTransform = transform;
  StartCoroutine(Rptr());
    }
    
    private IEnumerator Rptr() {
  for(;;) {
   yPos[0] = myTransform.position.y;
   yield return new WaitForSeconds(0.5f);
   CheckDist();
  }
    }
    
    void CheckDist() {
  yPos[1] = myTransform.position.y;
  
  dmgDist = yPos[0] - yPos[1];
  
  if(dmgDist > 5f) {
   Debug.Log("Ooops");
  }
    }
    
}