Added the need for multiple wipes to rid dirt and spray while also fading the dirt and spray texture with each wipe

Assets/Scripts/DirtScript.cs

@@ -7,6 +7,8 @@ public class DirtScript : MonoBehaviour
     public GameObject Spray;
 
 	private bool sprayed = false;
+	private int wiped = 0;
+	Color tmp;
 
 	void OnCollisionEnter2D(Collision2D other){
 
@@ -16,9 +18,22 @@ public class DirtScript : MonoBehaviour
 			Instantiate(Spray, new Vector2(this.transform.position.x, this.transform.position.y), Quaternion.identity);
 		}
 
+	}
+
+	void OnCollisionExit2D(Collision2D other){
+
+		tmp = this.GetComponent<SpriteRenderer>().color;
+
 		if(other.gameObject.name == "Rag" && sprayed)
 		{
-			Destroy(this.gameObject);
+
+			wiped++;
+
+			tmp.a -= 0.15f;
+ 			this.GetComponent<SpriteRenderer>().color = tmp;
+
+			if(wiped >= 3) Destroy(this.gameObject);
+		
 		}
 
 	}

Assets/Scripts/SprayScript.cs

@@ -5,11 +5,23 @@ using UnityEngine;
 public class SprayScript : MonoBehaviour
 {
 
-	void OnCollisionEnter2D(Collision2D other){
+	private int wiped = 0;
+	Color tmp;
+
+	void OnCollisionExit2D(Collision2D other){
+
+		tmp = this.GetComponent<SpriteRenderer>().color;
 
 		if(other.gameObject.name == "Rag")
 		{
-			Destroy(this.gameObject);
+			
+			wiped++;
+
+			tmp.a -= 0.15f;
+ 			this.GetComponent<SpriteRenderer>().color = tmp;
+
+			if(wiped >= 3) Destroy(this.gameObject);
+
 		}
 
 	}