Orientate the camera so that a given 3d point is always at a given 2d position in the viewport

[vielzutun.ch]

Sounds pretty much like a question which popped up again recently:

Offset OrbitControls pivot point

Hey, I need to offset my “scene center” and want to orbit around a offseted pivot point. My canvas is filling the whole browser window and I have a sidemenu on the right which takes ca 25 percent of the window width. I want my obj to be in the center of the remaining 75% and also orbit around that point (the red dot). I dont want to just put my obj in a empty obj and offset the position, because it wouldnt orbit around the objs center anymore. I need this for perspective and orthographic camer…