fix: update zoom camera.

Assets/PerfectWorld/Scripts/Camera/CameraController.cs

@@ -26,6 +26,7 @@ namespace BrewMonster
 
         private float _lastPinchDistance;
         private bool _pinchZoomActive;
+        private int _touchCount = 0;
 
         public CinemachineOrbitalFollow Orbital { get => orbital;}
 
@@ -63,11 +64,19 @@ namespace BrewMonster
         public void OnPointerDown(PointerEventData eventData)
         {
             fingerDown = true;
+            if(_touchCount < 2)
+            {
+                _touchCount++;
+            }
         }
 
         public void OnPointerUp(PointerEventData eventData)
         {
             fingerDown = false;
+            if(_touchCount > 0)
+            {
+                _touchCount--;
+            }
         }
 
         private void OnValidate()
@@ -133,7 +142,7 @@ namespace BrewMonster
                 return;
             }
 
-            if (Input.touchCount == 2)
+            if (_touchCount == 2)
             {
                 Touch t0 = Input.GetTouch(0);
                 Touch t1 = Input.GetTouch(1);