From 0c4975837805b4482822e289868d506d41d529a6 Mon Sep 17 00:00:00 2001
From: Mert Cayir <mr.mekopa@gmail.com>
Date: Tue, 4 Jun 2024 07:22:38 -0700
Subject: [PATCH] play area canvas created

its ready for scripts example playArea implemented
---
 Assets/Scripts/Dragger.cs       | 48 ++++++++++++++++++++++++---------
 Assets/Scripts/PlayArea.cs      | 34 +++++++++++++++++++++++
 Assets/Scripts/PlayArea.cs.meta | 11 ++++++++
 3 files changed, 80 insertions(+), 13 deletions(-)
 create mode 100644 Assets/Scripts/PlayArea.cs
 create mode 100644 Assets/Scripts/PlayArea.cs.meta

diff --git a/Assets/Scripts/Dragger.cs b/Assets/Scripts/Dragger.cs
index 316bf25..ae250d9 100644
--- a/Assets/Scripts/Dragger.cs
+++ b/Assets/Scripts/Dragger.cs
@@ -1,29 +1,51 @@
-using System.Collections;
-using System.Collections.Generic;
 using UnityEngine;
+using UnityEngine.EventSystems;
 
-public class Dragger : MonoBehaviour
+public class Dragger : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDragHandler
 {
-    private Vector3 _dragOffset;
-    private Camera _cam;
+    private RectTransform rectTransform;
+    private CanvasGroup canvasGroup;
+    private Vector2 originalPosition;
+
+    [SerializeField] private Canvas canvas;
 
     private void Awake()
     {
-        _cam = Camera.main;
+        rectTransform = GetComponent<RectTransform>();
+        canvasGroup = GetComponent<CanvasGroup>();
     }
 
-    void OnMouseDown()
+    public void OnBeginDrag(PointerEventData eventData)
     {
-        _dragOffset = transform.position - GetMausePos();
+        originalPosition = rectTransform.anchoredPosition;
+        canvasGroup.alpha = 0.6f;
+        canvasGroup.blocksRaycasts = false;
     }
 
-    private void OnMouseDrag()
+    public void OnDrag(PointerEventData eventData)
     {
-        transform.position = GetMausePos() + _dragOffset;
+        rectTransform.anchoredPosition += eventData.delta / canvas.scaleFactor;
     }
 
-    Vector3 GetMausePos() {
-        var mousePos = _cam.ScreenToWorldPoint(Input.mousePosition);
-        return mousePos;
+    public void OnEndDrag(PointerEventData eventData)
+    {
+        canvasGroup.alpha = 1f;
+        canvasGroup.blocksRaycasts = true;
+
+        // Check if the card is over the play area
+        if (RectTransformUtility.RectangleContainsScreenPoint(
+            PlayArea.Instance.playAreaRectTransform,
+            Input.mousePosition,
+            Camera.main))
+        {
+            PlayArea.Instance.AddCardToPlayArea(GetComponent<Card>());
+        }
+        else
+        {
+            // Return to original position if not dropped in play area
+            rectTransform.anchoredPosition = originalPosition;
+        }
     }
 }
+
+
diff --git a/Assets/Scripts/PlayArea.cs b/Assets/Scripts/PlayArea.cs
new file mode 100644
index 0000000..5cab9a5
--- /dev/null
+++ b/Assets/Scripts/PlayArea.cs
@@ -0,0 +1,34 @@
+// PlayArea.cs
+using UnityEngine;
+using System.Collections.Generic;
+
+public class PlayArea : MonoBehaviour
+{
+    public RectTransform playAreaRectTransform;
+    public List<Card> cardsInPlayArea = new List<Card>();
+
+    // Singleton instance
+    public static PlayArea Instance;
+
+    private void Awake()
+    {
+        if (Instance == null)
+        {
+            Instance = this;
+        }
+        else
+        {
+            Destroy(gameObject);
+        }
+    }
+
+    public void AddCardToPlayArea(Card card)
+    {
+        if (!cardsInPlayArea.Contains(card))
+        {
+            cardsInPlayArea.Add(card);
+            card.transform.SetParent(playAreaRectTransform, false);
+        }
+    }
+}
+
diff --git a/Assets/Scripts/PlayArea.cs.meta b/Assets/Scripts/PlayArea.cs.meta
new file mode 100644
index 0000000..dfef105
--- /dev/null
+++ b/Assets/Scripts/PlayArea.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: f0b005e6488ca2848803c8fc76d99389
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: