//when something runs into it
void OnCollisionEnter2D(Collision2D other)
{
//make sure the player is the one that hit the power up
if (other.gameObject.tag == "Player")
{
//at this point, just one effect - add a life
GameControl.Add_Hits(hitGain);
//pickup is worth 50 points
GameControl.Add_Score(50);
//powerup has been used, get rid of it
Destroy(gameObject);
}
}