public partial class MainWindow : Window
    {
        private static PathGeometry geometryEarth;
        private static PathGeometry geometryMerc;
        private static PathGeometry geometryVener;
        private static PathGeometry geometryMoon;

        private static Path moonpath = new Path();

        Ellipse Sun = new Ellipse();
        Ellipse Merc = new Ellipse();
        Ellipse Venera = new Ellipse();
        Ellipse Earth = new Ellipse();
        Ellipse Moon = new Ellipse();

        Canvas cmoon = new Canvas();
        private static bool flag = false;

        public MainWindow()
        {
            InitializeComponent();

            Sun.Name = "Sun";
            Sun.Fill = Brushes.Yellow;
            Sun.HorizontalAlignment = HorizontalAlignment.Left;
            Sun.VerticalAlignment = VerticalAlignment.Center;
            Sun.Width = 50;
            Sun.Height = 50;
            Sun.Margin = new Thickness(375, 375, 0, 0);
            AnimationStart.Children.Add(Sun);

            Merc.Name = "Mercury";
            Merc.Fill = Brushes.Brown;
            Merc.HorizontalAlignment = HorizontalAlignment.Left;
            Merc.VerticalAlignment = VerticalAlignment.Center;
            Merc.Width = 20;
            Merc.Height = 20;
            Merc.Margin = new Thickness(390, 340, 0, 0);
            AnimationStart.Children.Add(Merc);

            Venera.Name = "Venera";
            Venera.Fill = Brushes.Olive;
            Venera.HorizontalAlignment = HorizontalAlignment.Left;
            Venera.VerticalAlignment = VerticalAlignment.Center;
            Venera.Width = 30;
            Venera.Height = 30;
            Venera.Margin = new Thickness(385, 290, 0, 0);
            AnimationStart.Children.Add(Venera);

            Earth.Name = "Earth";
            Earth.Fill = Brushes.Blue;
            Earth.HorizontalAlignment = HorizontalAlignment.Left;
            Earth.VerticalAlignment = VerticalAlignment.Center;
            Earth.Width = 30;
            Earth.Height = 30;
            Earth.Margin = new Thickness(385, 235, 0, 0);
            cmoon.Children.Add(Earth);


            Moon.Name = "Moon";
            Moon.Fill = Brushes.Gray;
            Moon.HorizontalAlignment = HorizontalAlignment.Left;
            Moon.VerticalAlignment = VerticalAlignment.Center;
            Moon.Width = 10;
            Moon.Height = 10;
            Moon.Margin = new Thickness(395, 205, 0, 0);

            EarthCircle();
            MercCircle();
            VeneraCircle();


            Moon.Name = "Moon";
            Moon.Fill = Brushes.Gray;
            Moon.HorizontalAlignment = HorizontalAlignment.Left;
            Moon.VerticalAlignment = VerticalAlignment.Center;
            Moon.Width = 10;
            Moon.Height = 10;
            Moon.Margin = new Thickness(395, 205, 0, 0);
            cmoon.Children.Add(Moon);

            MoonCircle();
            AnimationStart.Children.Add(cmoon);
        }
        //--Земля--//
        private void EarthCircle()
        {
            Path path = new Path();
            geometryEarth = new PathGeometry();
            PathFigure figure = new PathFigure();
            figure.StartPoint = new Point(150, 0);
            ArcSegment d1 = new ArcSegment();
            d1.Point = new Point(300, 150);
            d1.Size = new Size(150, 150);
            d1.SweepDirection = SweepDirection.Clockwise;
            figure.Segments.Add(d1);
            ArcSegment d2 = new ArcSegment();
            d2.Point = new Point(150, 300);
            d2.Size = new Size(150, 150);
            d2.SweepDirection = SweepDirection.Clockwise;
            figure.Segments.Add(d2);
            ArcSegment d3 = new ArcSegment();
            d3.Point = new Point(0, 150);
            d3.Size = new Size(150, 150);
            d3.SweepDirection = SweepDirection.Clockwise;
            figure.Segments.Add(d3);
            ArcSegment d4 = new ArcSegment();
            d4.Point = new Point(150, 0);
            d4.Size = new Size(150, 150);
            d4.SweepDirection = SweepDirection.Clockwise;
            figure.Segments.Add(d4);
            geometryEarth.Figures.Add(figure);
            path.Data = geometryEarth;
            path.Stroke = Brushes.White;
            path.StrokeThickness = 1;
            path.Margin = new Thickness(250, 250, 0, 0);
            AnimationStart.Children.Add(path);
        }
        private void Earthanimate()
        {
            DoubleAnimationUsingPath anim = new DoubleAnimationUsingPath();
            anim.PathGeometry = geometryEarth;
            anim.Duration = TimeSpan.FromSeconds(7);
            anim.RepeatBehavior = RepeatBehavior.Forever;
            anim.Source = PathAnimationSource.X;
            cmoon.BeginAnimation(Canvas.LeftProperty, anim);
            anim = new DoubleAnimationUsingPath();
            anim.Duration = TimeSpan.FromSeconds(7);
            anim.RepeatBehavior = RepeatBehavior.Forever;
            anim.PathGeometry = geometryEarth;
            anim.Source = PathAnimationSource.Y;
            cmoon.BeginAnimation(Canvas.TopProperty, anim);
        }

        //--Меркурий--//
        private void MercCircle()
        {
            Path path = new Path();
            geometryMerc = new PathGeometry();
            PathFigure figure = new PathFigure();
            figure.StartPoint = new Point(50, 0);
            ArcSegment d1 = new ArcSegment();
            d1.Point = new Point(100, 50);
            d1.Size = new Size(50, 50);
            d1.SweepDirection = SweepDirection.Clockwise;
            figure.Segments.Add(d1);
            ArcSegment d2 = new ArcSegment();
            d2.Point = new Point(50, 100);
            d2.Size = new Size(50, 50);
            d2.SweepDirection = SweepDirection.Clockwise;
            figure.Segments.Add(d2);
            ArcSegment d3 = new ArcSegment();
            d3.Point = new Point(0, 50);
            d3.Size = new Size(50, 50);
            d3.SweepDirection = SweepDirection.Clockwise;
            figure.Segments.Add(d3);
            ArcSegment d4 = new ArcSegment();
            d4.Point = new Point(50, 0);
            d4.Size = new Size(50, 50);
            d4.SweepDirection = SweepDirection.Clockwise;
            figure.Segments.Add(d4);
            geometryMerc.Figures.Add(figure);
            path.Data = geometryMerc;
            path.Stroke = Brushes.White;
            path.StrokeThickness = 1;
            path.Margin = new Thickness(350, 350, 0, 0);
            AnimationStart.Children.Add(path);
        }
        private void Mercanimate()
        {
            DoubleAnimationUsingPath anim = new DoubleAnimationUsingPath();
            anim.PathGeometry = geometryMerc;
            anim.Duration = TimeSpan.FromSeconds(3);
            anim.RepeatBehavior = RepeatBehavior.Forever;
            anim.Source = PathAnimationSource.X;
            Merc.BeginAnimation(Canvas.LeftProperty, anim);
            anim = new DoubleAnimationUsingPath();
            anim.Duration = TimeSpan.FromSeconds(3);
            anim.RepeatBehavior = RepeatBehavior.Forever;
            anim.PathGeometry = geometryMerc;
            anim.Source = PathAnimationSource.Y;
            Merc.BeginAnimation(Canvas.TopProperty, anim);
        }

        //--Венера--//
        private void VeneraCircle()
        {
            Path path = new Path();
            geometryVener = new PathGeometry();
            PathFigure figure = new PathFigure();
            figure.StartPoint = new Point(100, 0);
            ArcSegment d1 = new ArcSegment();
            d1.Point = new Point(0, 100);
            d1.Size = new Size(100, 100);
            //d1.SweepDirection = SweepDirection.Clockwise;
            figure.Segments.Add(d1);
            ArcSegment d2 = new ArcSegment();
            d2.Point = new Point(100, 200);
            d2.Size = new Size(100, 100);
            //d2.SweepDirection = SweepDirection.Clockwise;
            figure.Segments.Add(d2);
            ArcSegment d3 = new ArcSegment();
            d3.Point = new Point(100, 0);
            d3.Size = new Size(100, 100);
            //d3.SweepDirection = SweepDirection.Clockwise;
            figure.Segments.Add(d3);
            ArcSegment d4 = new ArcSegment();
            d4.Point = new Point(100, 0);
            d4.Size = new Size(100, 100);
            //d4.SweepDirection = SweepDirection.Clockwise;
            figure.Segments.Add(d4);
            geometryVener.Figures.Add(figure);
            path.Data = geometryVener;
            path.Stroke = Brushes.White;
            path.StrokeThickness = 1;
            path.Margin = new Thickness(300, 300, 0, 0);
            AnimationStart.Children.Add(path);
        }
        private void Veneraanimate()
        {
            DoubleAnimationUsingPath anim = new DoubleAnimationUsingPath();
            anim.PathGeometry = geometryVener;
            anim.Duration = TimeSpan.FromSeconds(5);
            anim.RepeatBehavior = RepeatBehavior.Forever;
            anim.Source = PathAnimationSource.X;
            Venera.BeginAnimation(Canvas.LeftProperty, anim);
            anim = new DoubleAnimationUsingPath();
            anim.Duration = TimeSpan.FromSeconds(5);
            anim.RepeatBehavior = RepeatBehavior.Forever;
            anim.PathGeometry = geometryVener;
            anim.Source = PathAnimationSource.Y;
            Venera.BeginAnimation(Canvas.TopProperty, anim);
        }

        //--Луна--//
        private void MoonCircle()
        {
            geometryMoon = new PathGeometry();
            PathFigure figure = new PathFigure();
            figure.StartPoint = new Point(40, 0);
            ArcSegment d1 = new ArcSegment();
            d1.Point = new Point(80, 40);
            d1.Size = new Size(40, 40);
            d1.SweepDirection = SweepDirection.Clockwise;
            figure.Segments.Add(d1);
            ArcSegment d2 = new ArcSegment();
            d2.Point = new Point(40, 80);
            d2.Size = new Size(40, 40);
            d2.SweepDirection = SweepDirection.Clockwise;
            figure.Segments.Add(d2);
            ArcSegment d3 = new ArcSegment();
            d3.Point = new Point(0, 40);
            d3.Size = new Size(40, 40);
            d3.SweepDirection = SweepDirection.Clockwise;
            figure.Segments.Add(d3);
            ArcSegment d4 = new ArcSegment();
            d4.Point = new Point(40, 0);
            d4.Size = new Size(40, 40);
            d4.SweepDirection = SweepDirection.Clockwise;
            figure.Segments.Add(d4);
            geometryMoon.Figures.Add(figure);
            moonpath.Data = geometryMoon;
            moonpath.Stroke = Brushes.White;
            moonpath.StrokeThickness = 1;
            moonpath.Margin = new Thickness(360, 210, 0, 0);
            cmoon.Children.Add(moonpath);
        }
        private void Moonanimate()
        {
            DoubleAnimationUsingPath anim = new DoubleAnimationUsingPath();
            anim.PathGeometry = geometryMoon;
            anim.Duration = TimeSpan.FromSeconds(2.5);
            anim.RepeatBehavior = RepeatBehavior.Forever;
            anim.Source = PathAnimationSource.X;
            Moon.BeginAnimation(Canvas.LeftProperty, anim);
            anim = new DoubleAnimationUsingPath();
            anim.Duration = TimeSpan.FromSeconds(2.5);
            anim.RepeatBehavior = RepeatBehavior.Forever;
            anim.PathGeometry = geometryMoon;
            anim.Source = PathAnimationSource.Y;
            Moon.BeginAnimation(Canvas.TopProperty, anim);
        }

        private void AnimationStart_OnMouseUp(object sender, MouseButtonEventArgs e)
        {
            Earthanimate();
            Earth.Margin = new Thickness(238, 238, 0, 0);
            Mercanimate();
            Merc.Margin = new Thickness(340, 340, 0, 0);
            Veneraanimate();
            Venera.Margin = new Thickness(285, 285, 0, 0);

            Moon.Margin = new Thickness(205, 207, 0, 0);
            moonpath.Margin = new Thickness(212, 212, 0, 0);
            Moonanimate();
        }