initial commit

Assets/Scripts/DropZone.cs

@@ -0,0 +1,57 @@
+using UnityEngine;
+using UnityEngine.EventSystems;
+using UnityEngine.UI;
+
+public class DropZone : MonoBehaviour, IDropHandler, IPointerEnterHandler, IPointerExitHandler
+{
+    public int slotIndex;
+    public DraggableCard currentCard;
+
+    private Image image;
+
+    void Awake()
+    {
+        image = GetComponent<Image>();
+    }
+
+    public void OnDrop(PointerEventData eventData)
+    {
+        DraggableCard card = eventData.pointerDrag?.GetComponent<DraggableCard>();
+        if (card == null) return;
+
+        if (currentCard != null && currentCard != card)
+            currentCard.ReturnToOriginal();
+
+        currentCard = card;
+        card.transform.SetParent(transform);
+        card.GetComponent<RectTransform>().anchoredPosition = Vector2.zero;
+    }
+
+    public void OnPointerEnter(PointerEventData eventData)
+    {
+        if (image != null)
+            image.color = new Color(1f, 1f, 1f, 0.5f);
+    }
+
+    public void OnPointerExit(PointerEventData eventData)
+    {
+        if (image != null)
+            image.color = new Color(1f, 1f, 1f, 0.2f);
+    }
+
+    public void SetCorrect()
+    {
+        if (image != null) image.color = new Color(0f, 1f, 0f, 0.5f);
+    }
+
+    public void SetWrong()
+    {
+        if (image != null) image.color = new Color(1f, 0f, 0f, 0.5f);
+    }
+
+    public void ResetColor()
+    {
+        if (image != null) image.color = new Color(1f, 1f, 1f, 0.2f);
+        currentCard = null;
+    }
+}