Add GameState to keep track of state and wave #

Assets/GameState.cs

@@ -0,0 +1,36 @@
+using UnityEngine;
+
+public class GameState : MonoBehaviour
+{
+	public string state;
+	public uint wave = 1;
+	public GameObject ratbot;
+
+	void Start() {
+		NewWave();
+	}
+
+    // Update is called once per frame
+    void Update()
+    {
+        if (GameObject.FindGameObjectsWithTag("Ratbot").Length == 0 && state == "WAVE") {
+			OpenShop();
+		}
+    }
+	void OpenShop() {
+		state = "SHOP";
+		NewWave();
+	}
+	void CloseShop() {
+		
+	}
+	public void NewWave() {
+		state = "WAVE";
+		Vector3 position = GameObject.FindGameObjectWithTag("Player").transform.position;
+		for (uint _ = 0; _ < wave; _++) {
+			GameObject newRatbot = Instantiate(ratbot);
+			newRatbot.GetComponent<Ratbot>().damageStrength = 5+wave*5;
+		}
+		wave++;
+	}
+}

Assets/GameState.cs.meta

@@ -0,0 +1,2 @@
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Assets/Ratbot.cs

@@ -5,12 +5,14 @@ public class Ratbot : MonoBehaviour
 	public float moveSpeed;
 	public float damageStrength;
 	public float damageTimeoutSeconds;
-	GameObject player;
 	float lastDamageTime;
+	GameState gameState;
+	GameObject player;
     // Start is called once before the first execution of Update after the MonoBehaviour is created
     void Start()
     {
 		player = GameObject.FindGameObjectWithTag("Player");
+		gameState = GameObject.FindGameObjectWithTag("GameController").GetComponent<GameState>();
     }
 
     // Update is called once per frame

Assets/Ratbot.prefab

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+  damageStrength: 10
   damageTimeoutSeconds: 0.5
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 BoxCollider2D:

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Assets/Teo.cs

@@ -5,9 +5,11 @@ public class Teo : MonoBehaviour
 	public float health = 100F;
 	public float moveSpeed = 10F;
 	Rigidbody2D controller;
+	GameState gameState;
     // Start is called once before the first execution of Update after the MonoBehaviour is created
     void Start() {
 		controller = GetComponent<Rigidbody2D>();
+		gameState = GameObject.FindGameObjectWithTag("GameController").GetComponent<GameState>();
     }
 
     // Update is called once per frame

README.md

@@ -42,7 +42,7 @@
 
 ### Enemy:
 - [x] All Enemies have simple pathfinding towards the player
-- [ ] When enemy touches player - remove health (scaled with x amount of rounds)
+- [x] When enemy touches player - remove health (scaled with x amount of rounds)
 - [ ] When object summoned / thrown by enemy, remove health (smaller scaling)