Learning 2D Game Development with Unity®: A Hands-On Guide to Game Creation

Scripting the CoinPickup Component

We’re going to create a Component that we can attach to our coins so that the player can interact with them. With one of the coin Prefabs selected, create a new script and name it “CoinPickup.” Enter the code shown in Listing 8.3.

Listing 8.3 The CoinPickup Script

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public class CoinPickup : MonoBehaviour{  public int coinValue = 1;  void OnTriggerEnter2D(Collider2D collider)  {    if(collider.tag == "Player")    {      Destroy(this.gameObject);    }  }}

Our script will check to see when the player enters the trigger and will destroy the coin, giving the appearance that it has been “picked up.” The public variable also allows us to set the value of the coin, which will come into ...