Param manager
@ofZach took a crack at #7.
Animation is done in code (see johnWhitneyShader01.cpp), and we've got easing functions. I don't know if we need to do this via files unless we're doing recording of live performance. Potentially we could have both live side by side.
Would be nice if we could just subclass ofParameter and have C++ figure out how to update them, but I don't see a convenient way.
Looking for any feedback! Next up is to add some easy-to-use randomness.
I have a good feeling about recording params by hand being ultimately the fastest way to do this if we have many scenes (vs doing it in code, etc)... I'll take a look at this code approach, it might be useful for a scene to give some feedback about how it wants to be animated (noise, code, recording)...
I have some stuff made that records params changes as well as applying easing functions or waves, noise etc. It's a bit messy now but I'll clean it up and PR