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hello from Halifax NS! some problems I need help with... Hello all! I'm super new to this quartz composer thing. I have the basics down now, and am looking to start growing. however, I have a few problems I've come up against. I've looked EVERYWHERE for help. here's some of the problems I can't work out: -I cant get the kineme patches to work! I've gone through all the guides, several times, deleted them, put them back in, etc. ie, I installed audioTools.plugin to macintosh HD/library/graphic/patches, restarted QC, and there's nothing. am I missing something? -how can you get an object to react to internal audio, say, playing from iTunes or a web browser? all I can get is internal mic and line in. I'd like to be able to create visualizations that I can watch while on headphones! -whenever I render to image, and link it to a billboard or a sprite, the image glitches on me. it's either all scrambled, or if its moving, its leaving me a long feedback tail. -I'm having trouble finding extensive tutorials for QC. I found a few to get me started, but beyond the few I've found from here, VJkungfu and shakinda, there hasn't been much else.
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Please re-read http://kineme.net/HowToInstallCustomQuartzComposerPatches, and when you spot the error in your post (I gave you a hint), please let me know -- then we'll continue with the audio stuff :)
got it working! I feel silly now, haha I didn't realize I had to create the folder. thank you very much for the fast reply!
no prob :)
Now, for audio -- there isn't really a way to react to iTunes/audio out, but, you can get a tool called "soundflower" that reroutes your audio output to an input -- in short, it lets you listen to your output, and make compositions react to it.
hopefully that gets you up and running :)
thanks once again!
what about my glitching image rendering?
For that, there's a lot of possibilities -- it could be you don't have a clear patch erasing it each frame. it could be an incorrectly used shader/filter. it could be a broken video card (not likely if you can read this ;)
show some screenshots, or better yet, post the composition, and we can find out what's going on.
Sadly, there aren't many QC tutorials out there yet -- a few small active communities here and there (this is one of them), but that's about it.
My bet is a "clear" for the render in image glitch... as Chris says, posting the composition is always the best route.
Select a clear patch, place it inside the render in image with whatever other patches you have placed inside. Click on the top right corner of the clear patch and set it as "layer one".
In lieu of tutorials, you can dig into all of the examples at quartzcompositions.com, which typically use just standard Quartz Composer patches, as well as all of the stuff in the developer folder. The items in the developer folder tend to have at least a minimal description in the folder along with the qtz.'s- and many of them have a decent amount of notes written on the editor panel about what each function does.
I would also recommend building the CI Filter widget (or maybe it is available already made?) in the Developer Folder as well... that thing is handy for remembering the tremendous amount of things you really can do with the built in Core Image filters.
There are many approaches to making audio reactive stuff.... the idea is to connect the volume or spectrum or whatever to some number input on a filter or renderer to make it "do something cool".
thanks guys!
sorry for the noobish questions.
I definitely didn't know about the clear in the render in image!
I finished a whole bunch of stuff today from my learning. I'll throw them up tomorrow.