MonoBehaviour.OnCollisionExit2D(Collision2D)
Description

Sent when a collider on another object stops touching this object's collider (2D physics only).

Further information about the objects involved is reported in the Collision2D parameter passed during the call.

See Also: Collision2D class, OnCollisionEnter2D, OnCollisionStay2D.
var bumpCount: int;

function OnCollisionExit2D(coll: Collision2D) { if (coll.gameObject.tag == "DodgemCar") bumpCount++; }
using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    public int bumpCount;
    void OnCollisionExit2D(Collision2D coll) {
        if (coll.gameObject.tag == "DodgemCar")
            bumpCount++;
        
    }
}
import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	public bumpCount as int

	def OnCollisionExit2D(coll as Collision2D) as void:
		if coll.gameObject.tag == 'DodgemCar':
			bumpCount++