private void OnCreateResources(CanvasAnimatedControl sender, CanvasCreateResourcesEventArgs args)
{
_c = Window.Current.Compositor;
_g = _c.CreateCompositionGenerator();
_rootShape = _c.CreateShapeVisual();
_rootShape.Size = new Vector2((float)RenderGrid.ActualWidth, (float)RenderGrid.ActualHeight);
_rootSize = _rootShape.Size.ToSize();
var rectGeom = _c.CreatePathGeometry(new CompositionPath(CanvasGeometry.CreateRectangle(_g.Device, new Rect(new Point(), _rootSize))));
var bgShape = _c.CreateSpriteShape(rectGeom);
bgShape.FillBrush = _c.CreateColorBrush(CanvasObject.CreateColor("#161616"));
_rootShape.Shapes.Add(bgShape);
for (var i = 0; i < MaxLayerCount; i++)
{
var shape = _c.CreateSpriteShape(_c.CreatePathGeometry(GetClip(_rootSize, 0f)));
// Offset each of the shape to the right to hide the bump of lower layers
shape.Offset = HideOffset;
shape.FillBrush = _c.CreateColorBrush(_colors[i]);
_rootShape.Shapes.Add(shape);
}
_selectedIndex = -1;
_swipeRightIndex = -1;
_swipeLeftIndex = MaxLayerCount;
_nextShapeIndex = -1;
// Reset offset of top most shape
_rootShape.Shapes[MaxLayerCount].Offset = Vector2.Zero;
ElementCompositionPreview.SetElementChildVisual(RenderGrid, _rootShape);
}
public MainPageWithSwipe()
{
InitializeComponent();
_colors = new[]
{
Colors.Crimson,
CanvasObject.CreateColor("#007aff"),
CanvasObject.CreateColor("#4cd964"),
CanvasObject.CreateColor("#ff2d55"),
CanvasObject.CreateColor("#ff9600")
};
// Keeps track of the duration of the swipe
_sw0 = new Stopwatch();
_sw0.Reset();
// Timeline for the top layer whose geometry is being animated
_sw1 = new Stopwatch();
_sw1.Reset();
// Timeline for the lower layer whose offset is being animated
_sw2 = new Stopwatch();
_sw2.Reset();
// The bump will appear at 2/3rd of the height from the top
_verticalReveal = 1f;
_swipeDir = SwipeDirection.None;
// Duration of the top layer geometry animation
_a0 = TimeSpan.FromMilliseconds(DefaultGeometryAnimDuration);
// Duration of the lower layer offset animation
_a1 = TimeSpan.FromMilliseconds(DefaultOffsetAnimDuration);
}
private void OnCreateResources(CanvasAnimatedControl sender, CanvasCreateResourcesEventArgs args)
{
_c = Window.Current.Compositor;
_g = _c.CreateCompositionGenerator();
_rootShape = _c.CreateShapeVisual();
_rootShape.Size = new Vector2((float)RenderGrid.ActualWidth, (float)RenderGrid.ActualHeight);
_rootSize = _rootShape.Size.ToSize();
var rectGeom = _c.CreatePathGeometry(new CompositionPath(CanvasGeometry.CreateRectangle(_g.Device, new Rect(new Point(), _rootSize))));
var bgShape = _c.CreateSpriteShape(rectGeom);
bgShape.FillBrush = _c.CreateColorBrush(CanvasObject.CreateColor("#161616"));
_rootShape.Shapes.Add(bgShape);
_slideLeftImplicitAnimationCollection = _c.CreateImplicitAnimationCollection();
var slideLeftAnim = _c.GenerateVector2KeyFrameAnimation()
.HavingDuration(700)
.ForTarget(() => _c.CreateSpriteShape().Offset);
slideLeftAnim.InsertFinalValueKeyFrame(1f, _c.CreateEaseInOutBackEasingFunction());
_slideLeftImplicitAnimationCollection["Offset"] = slideLeftAnim.Animation;
_slideRightImplicitAnimationCollection = _c.CreateImplicitAnimationCollection();
var slideRightAnim = _c.GenerateVector2KeyFrameAnimation()
.HavingDuration(2000)
.ForTarget(() => _c.CreateSpriteShape().Offset);
slideRightAnim.InsertFinalValueKeyFrame(1f, _c.CreateEaseInOutBackEasingFunction());
_slideRightImplicitAnimationCollection["Offset"] = slideRightAnim.Animation;
for (var i = 0; i < MaxShapeCount; i++)
{
var shape = _c.CreateSpriteShape(_c.CreatePathGeometry(GetClip(_rootSize)));
shape.Offset = HideOffset;
shape.FillBrush = _c.CreateColorBrush(_colors[i]);
_rootShape.Shapes.Add(shape);
}
_selIndex = MaxShapeCount;
_rootShape.Shapes[_selIndex].Offset = Vector2.Zero;
ElementCompositionPreview.SetElementChildVisual(RenderGrid, _rootShape);
PrevBtn.IsEnabled = false;
}
public MainPage()
{
InitializeComponent();
_sw = new Stopwatch();
_sw.Reset();
verReveal = 1f;
_animDuration = TimeSpan.FromSeconds(1.5);
_colors = new Color[]
{
Colors.Crimson,
CanvasObject.CreateColor("#007aff"),
CanvasObject.CreateColor("#4cd964"),
CanvasObject.CreateColor("#ff2d55"),
CanvasObject.CreateColor("#ff9600")
};
}
