Trails & Frame Delays: TouchDesigner Tutorial
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- Опубликовано: 2 окт 2024
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If you’re a TouchDesigner Beginner, check out our TouchDesigner Tutorial Series! We teach you all the basics of how to use TouchDesigner, including mouse controls, hotkeys, parameters, the operator families, and more: interactiveimm...
Frame delays and trails are great effects used all over the place in our industry. Whether you're working with particles, live camera feeds, or pre-recorded content, trails and RGB delays are a great way to spice it up. Many folks turn immediately to feedback loops but you can achieve crisp, easy to control, and efficient trails using the Cache TOP. In this video, Elburz shows you how to setup basic trail systems and some tricks you can use to create RGB delays.
TouchDesigner Beginner Crash Course Contents
00 - Introduction: • 00 - Introduction - To...
01 - Get Started & Downloads: • 01 - Get Started & Dow...
02 - Mouse Navigation: • 02 - Mouse Navigation ...
03 - Creating Operators: • 03 - Creating Operator...
04 - Network Navigation: • 04 - Network Navigatio...
05 - Signal Flow: • 05 - Signal Flow - Tou...
06 - Hotkey Notes: • 06 - Hotkey Notes - To...
07 - Operator basics: • 07 - Operator Basics -...
08 - Parameters & Operator Info: • 08 - Parameters & Oper...
09 - TouchDesigner User Interface: • 09 - TouchDesigner Use...
10 - Working with TOPs: • 10 - Working with TOPs...
11 - Working with CHOPs: • 11 - Working with CHOP...
12 - Working with COMPs: • 12 - Working with COMP...
13 - Working with DATs: • 13 - Working with DATs...
14 - Working with SOPs and MATs: • 14 - Working with SOPs...
15 - Outputting Content: • 15 - Outputting Conten...
16 - Next Steps: • 16 - Next Steps - Tou...
17 - Create background content in TouchDesigner quickly and easily: • Create background cont...
18 - Trails & Frame Delays in TouchDesigner: • Trails & Frame Delays:...
19 - Reactive GPU Particles in TouchDesigner: • Reactive GPU Particles...
20 - Generative Geometric Design in TouchDesigner: • Generative Geometric D...
21 - Audio Reactive Analog Content in TouchDesigner Tutorial with Crystal Jow: • Audio Reactive Analog ...
22- Generative Visuals with Particles & Kinect in TouchDesigner with Crystal Jow: • Generative Visuals wit...
23 - 2D Texture Slicing in TouchDesigner: • 2D Texture Slicing: To...
Love this! "... and you've got yourself quite a trippy little banana situation there." Best line I've heard all day!
Haha thanks, glad you liked it!
brilliant, i was wondering what the cache select top did.... got a few ideas for using this technique.
Thanks! Yes it's a really useful one even though it doesn't get as much use as other ops.
awesome tutorial!!!!
Thanks!
Flawless tutorial. Learned some new TOPs, created a cool effect, demonstrated the power of simple Python in Touch. Best of all every step was really well explained. Thank you.
Our pleasure! Glad you enjoyed it. You'll like the rest of our videos if you liked this :) Also don't hesitate to request topics in the comments and we'll do our best to address them in new videos.
“You got yourself quite a trippy banana situation there” NFW 😂😂😂😂😂
🍌🍌🍌😵💫😂
Dude you had your thinking cap on for this one 😂 my Friday is complete 🖤😎🙌🐇 🍌 🍌 🍌
Hey glad to hear it! 😀 Thanks for watching :)
thanks for your tutorials, they are amazing !!! You take time to explain everything thats so cool
No problem! Our pleasure :)
brilliant and easy to understand, thank you so much 🦾
is there some kind of python documentation for touch that you would recommend?
The Python page on the Wiki is a good place to start, it has everything you'd need, it can be a bit tricky to navigate, so it's best to be patient and expect to be reading a bit more than you might have hoped. We also have a full workshop in The HQ PRO about how to navigate the wiki and how the Python area is organized. docs.derivative.ca/Category:Python
Seriously one of the most useful tutorials I've come across. Thank you!
Edit: Specifically the numbering trick at the end!
No problem, our pleasure :) Glad you enjoyed it & thanks for watching!
Anyone that did the tutorial that can share the toe? Thanks
Did you have trouble following with one of the parts? I'd be happy to explain it further for you!
so simple yet so amazing!! thank you@
Thanks for watching!
quick and to-the-point tutorial, thanks! I was wondering is there a specific top that lets the trails stay a while on the canvas and then fade out really slowly?
It's not a single operator, but you can definitely pass the result after your trails into a small feedback network using a Feedback TOP and a Cross TOP. Have you worked with feedback in TouchDesigner?
@@TheInteractiveImmersiveHQ Thanks! Yes I tried the feedback top along with displace applied to a circle, and it did lead to some interesting results. Still the trails would disappear pretty fast. I will play around with the cross TOP this weekend.
very nice!! thank u a lot!
Our pleasure! Thanks for watching :)
awesome!
Thanks for watching!
wouldn't it be easier to just feed the end singnal to the start and this way create a feedback loop?
Great question - that approach definitely sounds like it would be a possibility on first glance, but it'll actually give you a slightly different effect. Instead of having discrete time-delayed "echoes" of the original signal, you'll end up with a "trail" of sorts that does not disappear over time (filling in the screen) and which doesn't provide a simple control over the time delay between the successive "copies" of the texture.
Although you could adjust the opacity of the feedback loop so that the "copies" of the texture fade out over time, it would be a lot more difficult to decide "I want three copies of this texture, with a delay of 15 frames per layer" or something similar.
In audio terms, it's almost like the difference between a multi-tap delay (with no feedback) and a reverb. They're related, but also distinct effects of their own. Hope that helps!
the link is not working
Hi Evans, which link did you have trouble with? Or did you mean some of the Python code inside the video?
@@TheInteractiveImmersiveHQ I assume they are referring to the link in the description, which I can confirm is not working.
Thank you for the tutorial! Can anyone point me in the right direction for creating slo mo effect on a live cam in?
Doing slow motion as an effect in real time is tricky, you essentially need to be able to temporarily store frames and play those back at a slower rate. You could approximate this with something like a cache and cache select TOP, but the effect won’t likely be as seamless as you’d imagine. Might be worth looking into a webcam/camera that can capture at a higher frame rate as well.
great tutorial!
Thank you! Cheers!
keep that beard,i's looks good
I just shaved 😝 I'll have to grow it back now!