Function GetValidTouchesCount

libs/drape_frontend/user_event_stream.cpp:44–53

float constexpr kForceTapThreshold = 0.75;

size_t GetValidTouchesCount(std::array<Touch, 2> const & touches)
{
  size_t result = 0;
  if (touches[0].m_id != -1)
    ++result;
  if (touches[1].m_id != -1)
    ++result;

  return result;
}
}  // namespace

#ifdef DEBUG