传送门出现预警UI双人版

ActionTowerDefense/Assets/Resources/Prefab/Portal/PortalsCountDown.prefab

@@ -472,6 +472,7 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 6955318e7b9d5d743b3cfd6389a45106, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+  cameraController: {fileID: 0}
   portalPos: {x: 0, y: 0, z: 0}
   text:
   - {fileID: 3283884418362747349}
@@ -479,6 +480,9 @@ MonoBehaviour:
   effect:
   - {fileID: 2838818330601501208}
   - {fileID: 5511288690849645511}
+  countDown:
+  - {fileID: 3283884418929439336}
+  - {fileID: 3283884418390400581}
   parentRect: {x: 950, y: 400}
   hypotenuse: 0
   myRect: 75

ActionTowerDefense/Assets/Scripts/Portal/PortalsCountDownUI.cs

@@ -5,50 +5,85 @@ using TMPro;
 
 public class PortalsCountDownUI : MonoBehaviour
 {
+    public CameraController cameraController;
+
     public Vector3 portalPos;       //传送门位置
     public TextMeshProUGUI[] text;  //倒计时数字
     public GameObject[] effect;     //UI指示器
+    public GameObject[] countDown;  //text和effect的父物体
     public Vector2 parentRect;      //父物体Rect Transform的长宽的一半
     public float hypotenuse;        //父物体Rect Transform斜边的长度
     public float myRect;            //自己的边长的一半
-    
 
     private void Start()
     {
         hypotenuse = parentRect.magnitude;
+        cameraController = GameObject.Find("View").GetComponent<CameraController>();
     }
 
     private void Update()
     {
-        Vector3 pos = PlayersInput.instance[0].transform.position;
+        if (cameraController.isSplit)
+        {
+            Camera camera0 = cameraController.player0Camera;
+            Camera camera1 = cameraController.player1Camera;
+            refreshPortalUIPos(
+                camera0, 0,
+                new Vector2(25 + (camera0.rect.x - 0.5f) * parentRect.x * 2 + myRect,
+                    - parentRect.y + myRect),
+                new Vector2(-25 + camera0.rect.x * parentRect.x * 2 - myRect,
+                    parentRect.y - myRect));
+            refreshPortalUIPos(
+                camera1, 1,
+                new Vector2(25 + (camera1.rect.x - 0.5f) * parentRect.x * 2 + myRect,
+                    - parentRect.y + myRect),
+                new Vector2(-25 + camera1.rect.x * parentRect.x * 2 - myRect,
+                    parentRect.y - myRect));
+        }
+        else
+        {
+            refreshPortalUIPos(cameraController.mainCamera, 0,
+                - parentRect + new Vector2(myRect, myRect),
+                parentRect - new Vector2(myRect, myRect));
+            if (countDown[1].activeSelf)
+            {
+                countDown[1].SetActive(false);
+            }
+        }
+    }
+
+    //刷新指示箭头显示
+    void refreshPortalUIPos(Camera camera,int id,Vector2 RectClampMin,Vector2 RectClampMax)
+    {
+        //计算指示箭头的方向
+        Vector3 pos = camera.transform.position;
         float angle = Mathf.Atan2(portalPos.y - pos.y, portalPos.x - pos.x) * Mathf.Rad2Deg - 90;
-        effect[0].transform.rotation = Quaternion.Euler(Vector3.forward * angle);
-        effect[1].transform.rotation = Quaternion.Euler(Vector3.forward * angle);
+        effect[id].transform.rotation = Quaternion.Euler(Vector3.forward * angle);
 
-        //计算指示箭头的位置
-        Vector3 target = new Vector3(portalPos.x - pos.x, portalPos.y - pos.y, 0);
-        Vector3 viewportPoint = Camera.main.WorldToViewportPoint(portalPos);
-        if (viewportPoint.x >= 0 && viewportPoint.y >= 0 && viewportPoint.x <= 1 && viewportPoint.y <= 1 
-            && viewportPoint.z > Camera.main.nearClipPlane)
+        //判断传送门是否在屏幕内
+        Vector3 viewportPoint = camera.WorldToViewportPoint(portalPos);
+        if (viewportPoint.x >= 0 && viewportPoint.y >= 0 
+            && viewportPoint.x <= camera.rect.width && viewportPoint.y <= 1
+            && viewportPoint.z > camera.nearClipPlane)
         {
-            if (effect[0].transform.parent.gameObject.activeSelf)
+            if (countDown[id].activeSelf)
             {
-                effect[0].transform.parent.gameObject.SetActive(false);
-                effect[1].transform.parent.gameObject.SetActive(false);
+                countDown[id].SetActive(false);
             }
         }
         else
         {
-            if (!effect[0].transform.parent.gameObject.activeSelf)
+            if (!countDown[id].activeSelf)
             {
-                effect[0].transform.parent.gameObject.SetActive(true);
-                effect[1].transform.parent.gameObject.SetActive(true);
+                countDown[id].SetActive(true);
             }
+
+            //计算指示箭头的位置
+            Vector3 target = new Vector3(portalPos.x - pos.x, portalPos.y - pos.y, 0);
             target = target.normalized * hypotenuse;
-            target.x = Mathf.Clamp(target.x, -parentRect.x + myRect, parentRect.x - myRect);
-            target.y = Mathf.Clamp(target.y, -parentRect.y + myRect, parentRect.y - myRect);
-            effect[0].transform.parent.localPosition = target;
-            effect[1].transform.parent.transform.localPosition = target;
+            target.x = Mathf.Clamp(target.x, RectClampMin.x, RectClampMax.x);
+            target.y = Mathf.Clamp(target.y, RectClampMin.y, RectClampMax.y);
+            countDown[id].transform.localPosition = target;
         }
     }
 }