Cool! That's what I wanted to know haha

Oh yes... almost forgot. The pointer still part of the screen object (canvas), not the world object.

For the gun pointer, I just create a ray cast from the gun barrel/ gun axis to forward transform of it. The hit.point from the ray will give the Vector3 coordinate , then I convert the coordinante using Camera.WorldToScreenPoint() function so I will have Vector2 coordinate base on the screen. I using this coordinate to control the pointer UI. So, when the turret rotating, it also moving the pointer. (Im sorry for my English, if I mispelled some word).

Hi Danny!!!! That zoom! And it looks very smooth. But I'm not sure how the pointer works, how do you control where the pointer goes?