From the course: Learning TouchDesigner

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Creating feedback setup

Creating feedback setup - TouchDesigner Tutorial

From the course: Learning TouchDesigner

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Creating feedback setup

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- [Instructor] Now that we have our little hexagon animation set up what I want to do is create a feedback loop to get a time trail ghosted effect that's going to be part of what we build here as our animation. This is a thing that's done in TouchDesigner a lot. It's a great technique for creating some sort of beautiful trailing animation. So what I'm going to do the core note of the setup is the Feedback tops. I'm going to type TAM type feedback in the top area and lay that down. And the way this works is we connect a feedback and our source element into a compositing node and then the feedback basically references that compositing node and creates this feedback loop internally. And then we also want to add a level after the feedback to lower the opacity a little bit so everything doesn't just build up upon itself and then just become totally opaque. So after the feedback I'm going to right-click and type level and we're going to go its post tab and change it to opacity to .925…

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