start method
void
start()
Starts (or resumes) emission; if emission had finished, the timeline restarts from the beginning.
Implementation
void start() {
if (_completed) {
_clock = 0;
_emitDebt = 0;
_burstFired.fillRange(0, _burstFired.length, false);
_completed = false;
}
_emitting = true;
}