private async void Button_Click(object sender, RoutedEventArgs e)
{
for (int i = 0; i < 11; i++)
{
var panel = new StackPanel
{
Orientation = Orientation.Horizontal,
VerticalAlignment = VerticalAlignment.Center,
HorizontalAlignment = HorizontalAlignment.Center
};
var heartLeft = new Image
{
Height = 50,
Width = 24,
Source = (SvgImageSource)this.Resources["LeftHeart"]
};
var heartRight = new Image
{
Height = 50,
Width = 24,
Source = (SvgImageSource)this.Resources["LeftHeart"],
RenderTransformOrigin = new Point(0.5, 0.5),
RenderTransform = new CompositeTransform {
ScaleX = -1, ScaleY = 1
},
Margin = new Thickness(-1, 0, 0, 0)
};
panel.Children.Add(heartLeft);
panel.Children.Add(heartRight);
Root.Children.Add(panel);
var c = CompositionFactory.CreateCenteringExpression(1, 0.5);
//var hl = heartLeft.EnableCompositionTranslation().GetVisual();
//hl.StartAnimation(c);
//hl.StartAnimation(CreateFlap(heartLeft));
//var hr = heartRight.EnableCompositionTranslation().GetVisual();
//hr.StartAnimation(c);
//hr.StartAnimation(CreateFlap(heartRight));
panel.EnableCompositionTranslation();
PlayDie(panel, _rand.Next(2, 30) / 100d);
_ = Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async() =>
{
await Task.Delay(1000);
Root.Children.Remove(panel);
});
}
}
public SunsetView()
{
this.InitializeComponent();
// 1. Init resources
_rootVisual = this.GetVisual();
_rand = new Random();
var c = _rootVisual.Compositor;
// 2. Create Brushes
_grad = c.CreateLinearGradientBrush();
_grad.ColorStops.Add(c.CreateColorGradientStop(0, MediaExtensions.FromHex("#E500780A")));
_grad.ColorStops.Add(c.CreateColorGradientStop(0.5f, MediaExtensions.FromHex("#E55D8200")));
_grad.ColorStops.Add(c.CreateColorGradientStop(1, MediaExtensions.FromHex("#E55D780A")));
_grad.StartPoint = new Vector2(0, 0);
_grad.EndPoint = new Vector2(0, 0.5f);
_shad = c.CreateColorBrush();
_shad.Color = Color.FromArgb(100, 0, 0, 0);
// 3. Create grass geometry & resources
_geom = c.CreateEllipseGeometry();
_geom.Radius = new Vector2(4, 150);
_geom.Center = new Vector2(4, 150);
_cent = CompositionFactory.CreateCenteringExpression(0.5, 0.5);
_grassShape = c.CreateSpriteShape(_geom);
_grassShape.FillBrush = _grad;
_shadowShape = c.CreateSpriteShape(_geom);
_shadowShape.FillBrush = _shad;
_grassOffset = c.CreateExpressionAnimation()
.SetTarget("Offset")
.SetParameter("Root", _rootVisual)
.SetExpression("Vector3(Root.Size.X * percent, Root.Size.Y - (this.Target.Size.Y * 0.5f), 0f)");
_shadowOffset = c.CreateExpressionAnimation()
.SetTarget(nameof(Visual.Offset))
.SetExpression("Caster.Offset");
_shadowRotation = c.CreateExpressionAnimation()
.SetTarget(nameof(Visual.RotationAngleInDegrees))
.SetExpression("Caster.RotationAngleInDegrees");
// 4. Create blades
for (int i = 0; i < 250; i++)
{
PlantGrassSeed();
}
// 5. Create blur for shadow
CreateBlurLayer();
}
