images added

Assets/Script/DraggableObjects.cs

+using UnityEngine;
+
+public class DraggableObjects : MonoBehaviour
+{
+    private Vector3 mOffset;
+    private float mZCoord;
+    void OnMouseDown()
+    {
+
+        mZCoord = Camera.main.WorldToScreenPoint(gameObject.transform.position).z;
+        mOffset = gameObject.transform.position - GetMouseAsWorldPoint();
+    }
+    void OnMouseDrag()
+    {
+        transform.position = GetMouseAsWorldPoint() + mOffset;
+    }
+    private Vector3 GetMouseAsWorldPoint()
+    {
+        Vector3 mousePoint = Input.mousePosition;
+        mousePoint.z = mZCoord;
+        return Camera.main.ScreenToWorldPoint(mousePoint);
+    }
+}
\ No newline at end of file

Assets/Script/DraggableObjects.cs.meta

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