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OK, I've got a fantastic idea for a music sequencer but there are minor details (read essential requirements) that I'm wondering how to achieve.
First of all, I need to know how to create a clock, something that ticks at regular intervals, so that my objects could be synchronized. What's the best method to create that clock? I'm a bit dubious about checking millis() at each iteration of the draw loop, is that precise enough? There would be some graphical things happening in the same time, I'm afraid these would lead the clock to behave erratically...