Shader Shelter - 10-11-22
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GLSL [OpenGL Shading Language] as a whole is known as a "dark art", due to it being quite hard to understand.
We won't lie, it really can be at times because of how the language works

It's incredibly powerful & is accessible from every computer & is capable of some fantastic things, even on slow computers.
Many games use it for effects & to build atmosphere, some use it to make graphics looks nice, because it is so damn quick

But with only a few lines of code you can create some really interesting visuals. Then when you build up even further, adding some OSC control & multiplying some number, you can end up with really trippy visuals

This GLSL playground we made uses Processing [or could be put into any other coding framework with minimal change] to not only load & run our fragment shader that creates these visuals, but also use an OSC [Open Sound Control] template as a controller that can talk to the shader using our tablet or phone

Meaning we can control how the shader looks, whether we want to change the color, or even how much we want to zoom into the shader or even how fast it can warp.
We can put in Kinect support or even make it audio reactive

GLSL is not for the faint of heart, but it is a really impressive piece of tech that can make visuals even more interesting than they already are

We will be showing & sharing & working on this playground at the coding meet-up & workshop at Hyde Park Book Club - Monday 14th November | 6pm-10pm

See you then
🖤

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A few throwback pictures from before COVID hit our shores like a shovel to the face.
These are from a gig THYSEN played & i had done the visuals

Visuals were bespoke shaders i had been working on especially for the upcoming gig[s] for them & using openFrameworks to bind it all together, purely for the ease of using OSC & making my own controller to handle everything without having to touch the computer

The aim was to be psychedelic & to have enough control so things wouldnt feel like they were the same thing twice

The controller used was the Lemur for iPad, as i could do scripting pretty easily to then control several things with only 1 control slider

There were about 8 different shaders i had made, but kept to using about 3-4 at the end, as the other ones didnt feel correct for what the music was pushing towards

One feature i did put in was live coding. So if there seemed to be a problem when running the software, i could just do a change & it would stuff that change right in & wouldnt need to stop the visuals to then run them with the changes, which would take about 1 minute to compile again.
i didnt need to really use it in the end, but it was more as a safety measure just incase there was something i missed later on

I have been meaning to get back to doing visuals for artists lately, as there doesnt seem to be many [or anyone] that does it where i live.
All i need is a projector & im good to go 🤘

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