private void OnRiveWindowTouchEvent(object source, Window.TouchEventArgs e)
{
Vector2 sp = e.Touch.GetScreenPosition(0);
PointStateType state = e.Touch.GetState(0);
Position screenPos = new Position(sp.X, sp.Y);
if (!scroll.ScrollEnabled)
{
if (state == PointStateType.Down)
{
startPos = screenPos;
scrollPos = scroll.Position;
}
Position diff = screenPos - startPos;
scroll.PositionX = 0.0f;
float minmaxY = scrollPos.Y + diff.Y;
if (minmaxY > 520)
{
scroll.PositionY = 520;
}
else if (minmaxY <= 120)
{
scroll.PositionY = 120;
}
else
{
scroll.PositionY = minmaxY;
}
float time = (scroll.PositionY - 120) / 400;
// Set RiveAnimation Elapsed Time using View Position
rav.SetAnimationElapsedTime("Pull", time);
if (time < 1.0)
{
isMoving = true;
// Disable RiveAnimations
rav.EnableAnimation("Trigger", false);
rav.EnableAnimation("Loading", false);
}
else if (time >= 1.0 && isMoving)
{
isMoving = false;
// Enable RiveAnimations
rav.EnableAnimation("Trigger", true);
rav.EnableAnimation("Loading", true);
scroll.ScrollEnabled = true;
scroll.Size = new Size(720, 760);
}
}
else
{
if (preScrollPositionY == 0)
{
float diff = scroll.ScrollPosition.Y - preScrollPositionY;
if (diff > 5)
{
scroll.ScrollTo(0, false);
scroll.ScrollEnabled = false;
scroll.Size = new Size(720, 1160);
for (int i = 0; i < 5; i++)
{
viewItems[i].BackgroundImage = VIEW_BG_PATH[i];
}
}
}
preScrollPositionY = scroll.ScrollPosition.Y;
}
ravCenterY = (120.0f + scroll.Position.Y) / 2;
rav.PositionX = 0.0f;
rav.PositionY = ravCenterY - 248.0f;
}
