Change velocity to Vector2

Assets/Scripts/PlayerControl.cs

@@ -46,7 +46,7 @@ public class PlayerControl : MonoBehaviour
     public float normalizedHorizontalSpeed = 0;
 
     [HideInInspector]
-    public Vector3 velocity;
+    public Vector2 velocity;
 
     public int playerNumber = 1; //gibt an, ob es sich um player one, player two, etc. handelt. sollte nicht 0 sein;
     KeyCode[] keyCodes = new KeyCode[Keys.GetNames(typeof(Keys)).Length];