PathUI is placed at destination of patH

Assets/Scenes/Test.unity

@@ -3076,8 +3076,8 @@ RectTransform:
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0.5, y: 0.5}
   m_AnchorMax: {x: 0.5, y: 0.5}
-  m_AnchoredPosition: {x: 0, y: 42}
-  m_SizeDelta: {x: 86.75, y: 30}
+  m_AnchoredPosition: {x: 0, y: 41.199997}
+  m_SizeDelta: {x: 100.26, y: 30}
   m_Pivot: {x: 0.5, y: 0.5}
 --- !u!114 &1335777782
 MonoBehaviour:
@@ -3195,9 +3195,9 @@ RectTransform:
   m_Father: {fileID: 1193230061}
   m_RootOrder: 6
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0, y: 0}
-  m_AnchorMax: {x: 0, y: 0}
-  m_AnchoredPosition: {x: 164, y: 105}
+  m_AnchorMin: {x: 0.5, y: 0.5}
+  m_AnchorMax: {x: 0.5, y: 0.5}
+  m_AnchoredPosition: {x: -156.13002, y: -66.28998}
   m_SizeDelta: {x: 312.26, y: 132.57999}
   m_Pivot: {x: 0, y: 0}
 --- !u!1 &1661408487

Assets/Scripts/UIManager.cs

@@ -24,6 +24,7 @@ public class UIManager : MonoBehaviour
     private int prevSelectPathNum = -1;
     private Text pathName;
     private Vector3 middlePoint;
+    private Vector3 canvasSize;
     
     // Start is called before the first frame update
     void Start()
@@ -31,6 +32,7 @@ public class UIManager : MonoBehaviour
         _pathUI.SetActive(false);
         pathName = _pathUI.transform.Find("Name").GetComponent<Text>();
         middlePoint = _pathUI.transform.position;
+        canvasSize = new Vector3(Screen.width, Screen.height, 0);
     }
 
     // Update is called once per frame
@@ -63,15 +65,20 @@ public class UIManager : MonoBehaviour
                         if (pathNum != prevSelectPathNum)
                         {
                             pathName.text = obj.name;
-                            //_pathUI.transform.position = middlePoint;
                             var tmp = Camera.main.WorldToScreenPoint(hit1.point);
-                            float width = Screen.width * _pathUI.GetComponent<RectTransform>().anchorMin.x;
-                            float height = Screen.height * _pathUI.GetComponent<RectTransform>().anchorMin.y;
+                            var mouseClickPosition = tmp - canvasSize * 0.5f + middlePoint;
 
-                            _pathUI.GetComponent<RectTransform>().anchoredPosition = new Vector2(tmp.x - width, tmp.y - height);
-                            // see for reference: https://sushanta1991.blogspot.com/2016/04/how-to-move-unity-ui-using-mouse.html
-                            // Also try using Camera.WorldtoViewportPoint() and Camera.WorldtoScreenPoint() to convert world coordinates to
-                            // normalized viewport (x,y) or pixel coordinates)
+                            var hitVector1 = mouseClickPosition - middlePoint;
+                            hitVector1.z = 0;
+                            var hitVector2 = new Vector3(hit2.point.x, hit2.point.z, 0.0f);
+                            Debug.Log(hitVector1 + "test");
+                            Debug.Log(hitVector2 + "test");
+                            var k = hitVector1.magnitude / hitVector2.magnitude;
+                            Debug.Log(k + "test");
+                            var v = square.GetDestPoint(pathNum) - hitVector2;
+                            v.z = 0;
+
+                            _pathUI.transform.position = mouseClickPosition + k * v;
                             _pathUI.SetActive(true);
                             prevSelectPathNum = pathNum;
                         }