Zooming a camera towards a pivot point

General TouchDesigner Discussion
1

Hi all,
I’m trying to recreate the zoom from Kantan mapper where the camera scales on a pivot point.
The code from Kantan is here, but I was wondering if it’s possible to do this this math without using python? I have an orthographic camera and want to be able to zoom in towards the cursor.

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Any advice on how I may perform this operation with chops? I’m trying to keep this operation lightweight.

Thanks!
-Tim

2

Maybe try to extract what you need from the Arc Camera palette component? No idea, just passing by, P

3

The object CHOP now provides position information as a matrix - using that CHOP you could probably get pretty close, though you might have some gnarly CHOP wires to get there.

4

OK great I didn’t notice that. Will take a look into it.
Thanks!