using UnityEngine;
using System.Collections;

public class TriggerThings : MonoBehaviour {

	// other: collider of object that entered the trigger area
	void OnTriggerEnter2D (Collider2D other) {
		// change color of the object that entered the trigger area
		other.gameObject.GetComponent<SpriteRenderer> ().color =
			Color.blue;
	}

	// other: collider of object that entered the trigger area
	void OnTriggerStay2D (Collider2D other) {
		// increase size of the object every frame it's in the
		// trigger area
		other.gameObject.transform.localScale *= 1.01f;
	}

	// other: collider of object that entered the trigger area
	void OnTriggerExit2D (Collider2D other) {
		// change color of the object as it leaves the trigger area
		other.gameObject.GetComponent<SpriteRenderer> ().color =
			Color.white;
		// the destroy the object after 5 seconds
		Destroy (other.gameObject, 5);
	}
}