(
name: 'granular_looper',
func: {
  | buf |
  var frames = BufFrames.kr(buf);
  var tFreq = \trgFreq.kr(100);
  var trg = Impulse.ar(tFreq);
  var overlap = \overlap.kr(2);
  var resetPos = \resetPos.kr(0);
  var resetTrig = Changed.kr(resetPos, 1);
  var pos = Phasor.ar(
	trig: resetTrig,
	rate: BufRateScale.kr(buf) * \direction.kr(1),
	start: \start.kr(0),
	end: \end.kr(1.0) * frames,
	resetPos: resetPos
  );

  GrainBuf.ar(
	numChannels:2, 
	trigger: trg, 
	dur: overlap / tFreq, 
	sndbuf: buf, 
	rate: BufRateScale.kr(buf) * \rate.kr(1),
	pos: pos / frames, 
	interp: 2, 
	pan: \pan.kr(0), 
	envbufnum: -1, 
  );
},
limitDuration: true,
specs:(
  rate: [-10,0, 10.0],
  pan: [-1.0, 1.0]
)
)