Change target of ArcRotateCamera without changing camera view (position/rotation)

I’m trying to change the center of rotation of an ArcRotateCamera without actually changing the perspective. I think it’s somehow possible with the solution provided by @Gijs over here More precise panning control

I tried it with a combination of lockedTarget and targetScreenOffset and it is working (after a couple of hours fiddling around) — the problem is, that targetScreenOffset actually changes the perspective, I’d need a way of shifting the camera without actually changing the perspective. Anyone has a pointer? :slight_smile:

To illustrate my point a bit, I created a small screencast:


The camera stays in place (mostly) and is rotating around the lower right corner where I clicked. However as with the click there’s a shift in perspective (note how the reflection changes).

I came up with another, much simpler idea. Just put another camera under the ArcRotateCamera, shift it a bit and use this camera to display the scene. I made a quick test and it seems to work fine: (only thing missing is the dynamic calculation of the shift)

Does this help? ArcRotateCamera / make it shift on the Y axis instead of panning

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See also: Addition of Camera type that matches 3D applications