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simplify scheduler

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This commit is contained in:
Felix Roos 2022-02-16 20:08:58 +01:00
parent b64ccb4522
commit 3c614e6e16
1 changed files with 4 additions and 9 deletions
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13
repl/src/useCycle.ts
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@ -21,15 +21,10 @@ function useCycle(props: UseCycleProps) {
// pull events with onQuery + count up to next cycle
const query = (cycle = activeCycle()) => {
const timespan = new TimeSpan(cycle, cycle + 1);
const _events = onQuery?.(timespan) || [];
onSchedule?.(_events, cycle);
schedule(_events, cycle);
};
const schedule = (events: any[], cycle = activeCycle()) => {
const events = onQuery?.(timespan) || [];
onSchedule?.(events, cycle);
// cancel events after current query. makes sure no old events are player for rescheduled cycles
// console.log('schedule', cycle);
const timespan = new TimeSpan(cycle, cycle + 1);
// query next cycle in the middle of the current
const cancelFrom = timespan.begin.valueOf();
Tone.Transport.cancel(cancelFrom);
@ -53,7 +48,7 @@ function useCycle(props: UseCycleProps) {
Tone.Transport.schedule((time) => {
const toneEvent = {
time: event.part.begin.valueOf(),
duration: event.whole.end.valueOf() - event.whole.begin.valueOf(),
duration: event.whole.end.sub(event.whole.begin).valueOf(),
value: event.value,
};
onEvent(time, toneEvent);
@ -77,7 +72,7 @@ function useCycle(props: UseCycleProps) {
Tone.Transport.pause();
};
const toggle = () => (started ? stop() : start());
return { start, stop, onEvent, started, toggle, schedule, query, activeCycle };
return { start, stop, onEvent, started, toggle, query, activeCycle };
}
export default useCycle;