Animals can now be bought in AnimalShop

if bought they will be placed somewhere random on the map

Assets/Scripts/Shop/AnimalShopSlot.cs

@@ -0,0 +1,61 @@
+using TMPro;
+using UnityEngine;
+
+namespace Shop {
+    
+    public class AnimalShopSlot : ElementStorageSlot<Animal> {
+        public TextMeshProUGUI nameText;
+        public TextMeshProUGUI costText;
+
+        private AnimalShop _animalShop;
+        private PlayerController _playerController;
+
+        private void Start() {
+            _animalShop = AnimalShop.instance;
+            _playerController = PlayerController.instance;
+        }
+
+        /**
+     * Clears the Shop Slot
+     */
+        public override void ClearSlot() {
+            nameText.text = "";
+            costText.text = "";
+            amountText.text = "";
+            base.ClearSlot();
+        }
+
+        /**
+     * Gets called when the Shop Slot is clicked
+     */
+        public override void UseElement() {
+            if(Element) {
+                if(_playerController.Money >= Element.price) {
+                    if(Element) {
+                        _playerController.ChangeMoney(-Element.price);
+                        // Debug.Log("Buying Animal: " + Element.displayName);
+                    }
+
+                    PlaceCowRandomlyOnScreen();
+                    _animalShop.RemoveElement(Element, 1);
+                } else {
+                    // Debug.Log("Not enough money to buy Animal.");
+                }
+
+                _animalShop.onElementChangedCallback?.Invoke();
+            }
+        }
+
+        private void PlaceCowRandomlyOnScreen() {
+            float spawnY = Random.Range
+            (Camera.main.ScreenToWorldPoint(new Vector2(0, 0)).y,
+                Camera.main.ScreenToWorldPoint(new Vector2(0, Screen.height)).y);
+            float spawnX = Random.Range
+            (Camera.main.ScreenToWorldPoint(new Vector2(0, 0)).x,
+                Camera.main.ScreenToWorldPoint(new Vector2(Screen.width, 0)).x);
+
+            Vector2 spawnPosition = new Vector2(spawnX, spawnY);
+            Instantiate(Element.animalPrefab, spawnPosition, Quaternion.identity);
+        }
+    }
+}