Health system for ratbots, can now stab ratbots

Assets/GameState.cs

@@ -5,7 +5,6 @@ public class GameState : MonoBehaviour
 	public string state;
 	public uint wave = 1;
 	public GameObject ratbot;
-
 	void Start() {
 		NewWave();
 	}
@@ -30,6 +29,7 @@ public class GameState : MonoBehaviour
 		for (uint _ = 0; _ < wave; _++) {
 			GameObject newRatbot = Instantiate(ratbot);
 			newRatbot.GetComponent<Ratbot>().damageStrength = 5+wave*5;
+			newRatbot.GetComponent<Ratbot>().health = 5+wave*2;
 		}
 		wave++;
 	}

Assets/Ratbot.cs

@@ -5,6 +5,7 @@ public class Ratbot : MonoBehaviour
 	public float moveSpeed;
 	public float damageStrength;
 	public float damageTimeoutSeconds;
+	public float health = 10;
 	float lastDamageTime;
 	GameState gameState;
 	GameObject player;
@@ -29,4 +30,10 @@ public class Ratbot : MonoBehaviour
 		lastDamageTime = Time.fixedTime;
 		collision.gameObject.GetComponent<Teo>().health -= damageStrength;
 	}
+	public void Damage(float hurtyAmount) {
+		health -= hurtyAmount;
+		if (health <= 0) {
+			Destroy(gameObject);
+		}
+	}
 }

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Assets/Teo.cs

@@ -4,6 +4,8 @@ public class Teo : MonoBehaviour
 {
 	public float health = 100;
 	public float moveSpeed = 10;
+	public float swingRange = 3;
+	public float damageStrength = 10;
 	Rigidbody2D controller;
 	GameState gameState;
     // Start is called once before the first execution of Update after the MonoBehaviour is created
@@ -18,5 +20,21 @@ public class Teo : MonoBehaviour
 			Input.GetAxis("Horizontal"),
 			Input.GetAxis("Vertical")
 		).normalized * moveSpeed;
+
+		if (Input.GetMouseButtonDown(0)) {
+			RaycastHit2D[] hits = Physics2D.CircleCastAll(
+				transform.position,
+				swingRange,
+				new Vector2(
+					Screen.width/2 - Input.mousePosition.x,
+					Screen.height/2 - Input.mousePosition.y
+				)
+			);
+			foreach (RaycastHit2D hit in hits) {
+				Ratbot ratbot = hit.collider.GetComponent<Ratbot>();
+				if (ratbot == null) continue;
+				ratbot.Damage(damageStrength);
+			}
+		}
 	}
 }