heerdyes_processing-sketching/experimental/ca/experimental/patchlib.pde
// analog logic
// float pc=(0.01*(i*i&j*j)*t)%255;

// quadratic time
// float pc=(0.05*j*j+0.1*(1960-i)*t*t)%255;

// creative flux
// float pc=(20.0*sqrt(i*j)*t*t)%255;
