Function applyMix

static/mobile/app.js:141–144

()

  return laneActive(name) ? (state.vols[name] ?? 1) : 0;
}
function applyMix() {
  if (!engine) return;
  for (const l of lanes()) engine.setGain(l.name, effectiveGain(l.name));
}

function cap(s) {
  return s ? s.charAt(0).toUpperCase() + s.slice(1) : s;