备份CatanBuilding瘦身独立工程

Assets/Scripts/Core/CameraScroller.cs

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+using UnityEngine;
+using UnityEngine.EventSystems;
+using System;
+
+namespace Game
+{
+	public class CameraScroller : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDragHandler
+    {
+        public bool isDragging { get; private set; }
+
+        float _yMax = 4.5f;
+        float _yMin = -1f;
+
+        public void OnBeginDrag(PointerEventData eventData)
+        {
+            isDragging = true;
+        }
+
+        public void OnDrag(PointerEventData eventData)
+        {
+            var main_cam = Camera.main;
+
+            if (main_cam != null)
+            {
+                var pos = main_cam.transform.position;
+                var new_y = pos.y;
+                new_y -= eventData.delta.y * 0.01f;
+                pos.y = Mathf.Clamp(new_y, _yMin, _yMax);
+
+                main_cam.transform.position = pos;
+            }
+        }
+
+        public void OnEndDrag(PointerEventData eventData)
+        {
+            isDragging = false;
+        }
+
+        public void OnPointerClick(PointerEventData eventData)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}