Problem with counting front flips

I thought I have solved my problem to count a front flip but unfortunately that wasn’t because I can’t decrease it.

Here is the url from my last question about this: Problem with counting front flips - Questions & Answers - Unity Discussions

I want only count with +1 if the hero makes a full rotation from 360 - 0 and then decrease the count to 0 when the hero collides with a boost.

 using UnityEngine;
 using System.Collections;
 
 public class Flip : MonoBehaviour {
 
     public float flips = 0;
	 public float fliptest;
     public float maxFlip = 12;
     public float deltaRotation = 0;
     public float currentRotation = 0;
     public float WindupRotation = 0;
 
     void Update () {
         deltaRotation = (currentRotation - transform.eulerAngles.z);
         currentRotation = transform.eulerAngles.z;
		 
			if (deltaRotation < -180f) 
				deltaRotation += 360f;
			if (deltaRotation > 180f) 
				deltaRotation -= 360f;
			if (deltaRotation < 0)
				deltaRotation = 0;
         
         WindupRotation += (deltaRotation);
         
         flips = WindupRotation / 360;

		 //tried also this
		 if(flips >= fliptest)
			{
				fliptest++;
			}
		 //
		 
         if (flips >= maxFlip) {
             flips = maxFlip;
         }
     }
	 
	 	void OnTriggerEnter2D(Collider2D coll){
		if (coll.gameObject.tag == "Boost") {
			fliptest = 0;
		}
	}
 }

I hope you guys can help me. Thanks a lot.

Line 42, add:

flips = 0;