#12 Add conditions for using the camera zoom function

BlueWater/Assets/02.Scripts/BlueWater.cs

@@ -140,6 +140,17 @@ public partial class @BlueWater: IInputActionCollection2, IDisposable
                     ""action"": ""Rotate"",
                     ""isComposite"": false,
                     ""isPartOfComposite"": false
+                },
+                {
+                    ""name"": """",
+                    ""id"": ""4bc83c87-5345-4fb2-b39a-ac975f7bf47e"",
+                    ""path"": ""<Mouse>/leftButton"",
+                    ""interactions"": """",
+                    ""processors"": """",
+                    ""groups"": """",
+                    ""action"": ""Rotate"",
+                    ""isComposite"": false,
+                    ""isPartOfComposite"": false
                 }
             ]
         }

BlueWater/Assets/02.Scripts/BlueWater.inputactions

@@ -118,6 +118,17 @@
                     "action": "Rotate",
                     "isComposite": false,
                     "isPartOfComposite": false
+                },
+                {
+                    "name": "",
+                    "id": "4bc83c87-5345-4fb2-b39a-ac975f7bf47e",
+                    "path": "<Mouse>/leftButton",
+                    "interactions": "",
+                    "processors": "",
+                    "groups": "",
+                    "action": "Rotate",
+                    "isComposite": false,
+                    "isPartOfComposite": false
                 }
             ]
         }

BlueWater/Assets/02.Scripts/IslandCameraController.cs

@@ -80,12 +80,29 @@ namespace BlueWaterProject
         /// <summary>
         /// New input system을 이용한 줌 인, 아웃 기능
         /// </summary>
-        public void OnZoom(InputAction.CallbackContext context)
+        private void OnZoom(InputAction.CallbackContext context)
         {
+            if (!UsableZoom()) return;
+            
             var scrollValue = Mouse.current.scroll.ReadValue().normalized.y;
             desiredZoom = Mathf.Clamp(desiredZoom - scrollValue * zoomSpeed, minZoom, maxZoom);
         }
 
+        /// <summary>
+        /// Zoom 기능을 사용가능한 상태인지 확인하는 기능
+        /// </summary>
+        private bool UsableZoom()
+        {
+            var mousePos = Input.mousePosition;
+            // 백그라운드 실행이 아닌, 게임 화면을 실행한 상태인지 체크
+            var isFocusedGame = Application.isFocused;
+            // 화면 내에 마우스가 존재하는지 체크
+            var isMouseWithinGameScreen = mousePos.x >= 0 && mousePos.x <= Screen.width &&
+                                          mousePos.y >= 0 && mousePos.y <= Screen.height;
+
+            return isFocusedGame && isMouseWithinGameScreen;
+        }
+
         /// <summary>
         /// 자연스러운 줌 인, 아웃 기능
         /// </summary>
@@ -93,7 +110,8 @@ namespace BlueWaterProject
         {
             if (Mathf.Approximately(islandCamera.fieldOfView, desiredZoom)) return;
     
-            islandCamera.fieldOfView = Mathf.Lerp(islandCamera.fieldOfView, desiredZoom, Time.deltaTime * zoomSpeed);
+            islandCamera.fieldOfView = Mathf.Lerp(islandCamera.fieldOfView, desiredZoom, 
+                Time.deltaTime * zoomSpeed);
 
             if (islandCamera.fieldOfView > desiredZoom) return;
             
@@ -107,11 +125,13 @@ namespace BlueWaterProject
 
             if (myPos.y > max)
             {
-                transform.position = Vector3.Lerp(transform.position, new Vector3(myPos.x, max, myPos.z), Time.deltaTime * zoomSpeed);
+                transform.position = Vector3.Lerp(transform.position, new Vector3(myPos.x, max, myPos.z),
+                    Time.deltaTime * zoomSpeed);
             }
             else if (myPos.y < min)
             {
-                transform.position = Vector3.Lerp(transform.position, new Vector3(myPos.x, min, myPos.z), Time.deltaTime * zoomSpeed);
+                transform.position = Vector3.Lerp(transform.position, new Vector3(myPos.x, min, myPos.z),
+                    Time.deltaTime * zoomSpeed);
             }
         }