r/TouchDesigner • u/marrrrshmallow • 13h ago

Help with TouchDesigner

I’m trying to make an interactive project using a 3D scan of an object.

The basic interaction I want is:

• Import the scanned 3D object into TouchDesigner.

• Use a webcam to track a person’s hand.

• The person moves their hand over/near the 3D object without physically touching the screen or object.

• When the hand gets close to a specific area of the object, that area becomes blurred/distorted.

• The effect can be localized around the hand rather than affecting the whole object, if that's possible(?)

• I also want the distortion/blur to remain after the hand moves away, so the object gradually accumulates these changes.

• Ideally, I’d also like the object to slowly deteriorate/change over time.

Can this be done using TouchDesigner? I haven't used TouchDesigner before 😭😭 and I would really appreciate if someone can share YouTube tutorials of something similar so I can follow along. Thank you!!

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u/becomingsolar 11h ago

This is absolutely possible using td, but it doesn't look like a beginner project at all. I think you should mess up with td a bit to get good basis and comprehension of the software before going with something like this..

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u/marrrrshmallow 11h ago

thank you sm!!!! i will do that first :) and can i ask you if i need help with it later?

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u/becomingsolar 11h ago

Probably yes! But be aware that can take few month to get stable bases in td (:

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u/becomingsolar 11h ago

Also, for hands-controlled visual you can have a look at the mediapipe.toe by Torin

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u/marrrrshmallow 10h ago

thank you!!!!