void timer_Elapsed(object sender, ElapsedEventArgs e)
{
clickNo++;
if (InertiaMove != null)
{
InertiaMove(this, new HandMovedEventArgs(scrollDirection, MovementType.inertia, handType));
}
int interval = timeInterval();
//Debug
//Console.WriteLine("interval: {0}\n", interval);
if (interval < maxInterval)
{
timer.Interval = interval;
timer.Start();
}
else
{
status = ScrollStatus.stop;
}
}
public void keepScrolling(double speed, InteractionHandType handType, ScrollType type)
{
//determine hand movement direction
switch (type)
{
case ScrollType.vertical:
scrollDirection = speed > 0 ? HandMovedDirection.down : HandMovedDirection.up;
break;
case ScrollType.horizontal:
scrollDirection = speed > 0 ? HandMovedDirection.right : HandMovedDirection.left;
break;
case ScrollType.none:
return;
default:
break;
}
//make sure speed is in bounds
speed = Math.Abs(speed);
if (speed < minSpeed || speed > maxSpeed)
{
return;
}
//reset params and start timer
this.handType = handType;
clickNo = 1;
totalClicks = (int)(speed * speedToClickConst);
tau = minInterval / (Math.Log((double)totalClicks / (double)(totalClicks - 1)));
timer.Interval = minInterval;
status = ScrollStatus.scrolling;
timer.Start();
}
public void stopScrolling()
{
status = ScrollStatus.stop;
timer.Stop();
}
