The limit of the translation range and the rotation after translation always take the center of the object as the origin

[hcxmj]

When I use OrbitControls on the H5 to control the PerspectiveCamera, if I touch the screen with two fingers to drag the object, it will be panned. I hope that the object can only be panned within the screen range, and the current center of rotation after panning is always the initial center point. , instead of taking the center of the object as the center, the desired effect is to always be able to rotate around the center of the object