How to move image with mouse to different angles in unity?

Question

User interface

It turns out that when you click on the image and start moving, the image moves the fulcrum to the mouse. How to make it possible to move it around different angles without this centering. And it turns out that when moving, it starts to lag.

Answer 1

Take delta offset pointers and add it to the position of the picture. And you, apparently, simply assign the position of the pointer to the picture.