Dolly zoom / Vertigo effect

[trixian]

Does anyone know of a script/tool that lets one simultaneously dolly the camera while counter zooming, or visa versa?
I don't want this for animation purposes actually, but for manual adjustment when photo-matching. Sometimes you know your camera is about where it should be, but that fov might be off. This would make things a lot easier to adjust the camera.
Any scripters out there know how to set this up? Was thinking about parameter wiring, but I have no idea how one calculates these things

[YoyoBoy]

This might help: http://www.keyframesandcode.com/code...cript/vertigo/
I couldn't get it working, but I'm a bit clueless at Maxscript, so....

[YoyoBoy]

Oh, the Max file that is attached works quite well, actually.

[trixian]

Nice. Gonna try this one soon.
Does anyone know how to change the variable cam in the script from $Camera02 to something like current active camera, or active selected camera?
Maxscript help file is not being helpful when I search for stuff. I seem to remember it being easier to use for beginners back in the days. Searching in it now always gives me reuslts loosely related to what i searched for, or completely irrelevant stuff.

This is the script:

cam = $Camera02
width = cam.frameWidth
degToRad(atan(width / cam.targetDistance / 2) * 2)

[trixian]

Hmm. Looking closer, this is only for target cameras. I try to avoid them altogether usually. Especially for photo matching.
Was hoping for something that adjusted the fov when dollying in/out, or adjusted the dolly when zooming in/out.
Maybe even something done via a spinner.
No idea how this would be achieved.

[chriserskine]

you could probably do this with wire parameters.

[Dariusz Makowski (Dadal)]

You do know MAX has it build in right? Its int he right lower corner once u press and hold one of icons...

Select camera and in right lower corner there is square. Click that and dolly in and out..........................

[trixian]

Ha. oh god. The strange thing is that I have even used this before, though it was a really long time ago. Guess my mind selectively deleted this bit of info.

Thanks for reminding me about this one