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davidreyburn / lfo.pde
Created Aug 5, 2017
a simple function in processing which takes a float, uses that as the amplitude of a wave, and returns a smoothly undulating value
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float lfo(float amplitude) {
float x = sin(theta) * amplitude;
theta = theta + 0.01;
if (theta > 2 * PI) {
theta = 0.0;
return x;
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