lib/Touchable/Sensor.js
function (ev) {
    var cts, i, nextPointers

    if (!ev.defaultPrevented) {
      if (_preventDefault) {
        ev.preventDefault()
      }

      nextPointers = utils.clone(_currPointers) // See [2]

      cts = ev.changedTouches
      for (i = 0; i < cts.length; i += 1) {
        nextPointers[cts[i].identifier] = [cts[i].pageX, cts[i].pageY]
      }

      if (!_started) {
        _started = true
        _handlers.start(nextPointers)
      }

      _currPointers = nextPointers
    }
  }
function (ev) {
    var cts, i, nextPointers

    if (!ev.defaultPrevented) {
      if (_preventDefault) {
        ev.preventDefault()
      }

      nextPointers = utils.clone(_currPointers) // See [2]

      cts = ev.changedTouches
      for (i = 0; i < cts.length; i += 1) {
        nextPointers[cts[i].identifier] = [cts[i].pageX, cts[i].pageY]
      }

      if (!_started) {
        _started = true
        _handlers.start(nextPointers)
      }

      _currPointers = nextPointers
    }
  }
Touch support