refactored OnMouseEventSample

Author: ritamerkl

Assets/Samples/MouseEvents/OnMouseEventSample.cs

@@ -0,0 +1,32 @@
+using System;
+using UnityEngine;
+using UnityEngine.InputSystem;
+using UnityEngine.InputSystem.EnhancedTouch;
+using Touch = UnityEngine.InputSystem.EnhancedTouch.Touch;
+
+public class OnMouseEventSample : MonoBehaviour
+{
+    private Vector3 screenPoint;
+    private Vector3 offset;
+
+    void OnMouseDown()
+    {
+        if (Pointer.current == null)
+            return;
+
+        screenPoint = Camera.main.WorldToScreenPoint(gameObject.transform.position);
+        float x = Pointer.current.position.x.value;
+        float y = Pointer.current.position.y.value;
+        offset = gameObject.transform.position - Camera.main.ScreenToWorldPoint(new Vector3(x, y, screenPoint.z));
+    }
+
+    void OnMouseDrag()
+    {
+        if (Pointer.current == null)
+            return;
+
+        Vector3 curScreenPoint = new Vector3(Pointer.current.position.x.value, Pointer.current.position.y.value, screenPoint.z);
+        Vector3 curPosition = Camera.main.ScreenToWorldPoint(curScreenPoint) + offset;
+        transform.position = curPosition;
+    }
+}