private void posImage(Viewport3DControl image, int index)
{
double diffFactor = index - _current;
double left = _xCenter + diffFactor * SpaceWidth - _touch_move_distance;
double top = 1.0;
double Zindex = -Math.Abs(diffFactor) * 100;
image.SetValue(Canvas.ZIndexProperty, (int)Zindex);
if (index == _target)
{
left += 30;
image.AnimationRotateTo(1, 1, 1, 0);
}
else if (index > _target)
{
left += 55;
image.AnimationRotateTo(0.9, 0.9, 1, -45);
}
else if (index < _target)
{
image.AnimationRotateTo(0.9, 0.9, 1, 45);
}
image.Opacity = 1 - Math.Abs(diffFactor) * OPACITY_DOWN_FACTOR;
image.SetValue(Canvas.LeftProperty, left);
image.SetValue(Canvas.TopProperty, top);
}
public void AddImage(ImageSource bitmapImage)
{
Viewport3DControl image = new Viewport3DControl();
image.SetImageSource(ref bitmapImage);
image.Index = _images.Count;
image.Width = ChildViewWidth;
image.Height = ChildViewHeight;
image.MouseDown += new MouseButtonEventHandler(image_MouseDown);
LayoutRoot.Children.Add(image);
posImage(image, _images.Count);
_images.Add(image);
}
public void AddImages(string[] imagesUri)
{
for (int i = 0; i < imagesUri.Length; i++)
{
string url = imagesUri[i];
Viewport3DControl image = new Viewport3DControl();
image.SetImageSource(url);
image.Index = i;
image.Width = ChildViewWidth;
image.Height = ChildViewHeight;
image.MouseDown += new MouseButtonEventHandler(image_MouseDown);
LayoutRoot.Children.Add(image);
posImage(image, i);
_images.Add(image);
}
}
void _timer_Tick(object sender, EventArgs e)
{
//还原位置
if (IsPressed == false && _touch_move_distance != 0)
{
//回弹
_touch_move_distance += (-_touch_move_distance) * SPRINESS;
}
for (int i = 0; i < _images.Count; i++)
{
Viewport3DControl image = _images[i];
posImage(image, i);
}
if (Math.Abs(_target - _current) < CRITICAL_POINT && IsPressed == false)
{
return;
}
_current += (_target - _current) * SPRINESS;
}
void image_MouseDown(object sender, MouseButtonEventArgs e)
{
Viewport3DControl view = (Viewport3DControl)sender;
OnTouchDownEvent(view, view.Index);
}