Maslov/Views/MainWindow.axaml.cs

   using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Shapes;
using Avalonia.Input;
using Avalonia.Media;
using belonging.Models;
using System;

namespace belonging.Views;

public partial class MainWindow : Window
{
    Random rnd = new Random();
    private readonly ShapeManager _shapeManager;

    public MainWindow()
    {
        InitializeComponent();
        _shapeManager = new ShapeManager(DrawingCanvas);

        // Установка обработчиков событий в коде позади 
        DrawingCanvas.PointerPressed += _shapeManager.OnPointerPressed;
        DrawingCanvas.PointerMoved += _shapeManager.OnPointerMoved;
        DrawingCanvas.PointerReleased += _shapeManager.OnPointerReleased;

       
        DrawingCanvas.Loaded += OnCanvasLoaded;
    }

    private void OnCanvasLoaded(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
    {
        // Удаляем обработчик события, чтобы он не вызывался повторно
        DrawingCanvas.Loaded -= OnCanvasLoaded;

        // Добавляем фигуры в случайных местах при запуске
        AddRandomShape(CreateSquare());
        AddRandomShape(CreatePentagon());
        AddRandomShape(CreateHexagon());
    }

    private void AddRandomShape(Shape shape)
    {
        var randomPosition = _shapeManager.GenerateRandomPosition(shape);
        Canvas.SetLeft(shape, randomPosition.X);
        Canvas.SetTop(shape, randomPosition.Y);
        _shapeManager.AddShape(shape);
    }

    private Rectangle CreateSquare()
    {
        return new Rectangle
        {
            Width = 100,
            Height = 100,
            Fill = Brushes.Black
        };
    }

    private Polygon CreatePentagon()
    {
        return new Polygon
        {
            Points = new Avalonia.Collections.AvaloniaList<Point>
            {
                new Point(50, 0),   // Верхняя вершина 
                new Point(100, 38), // Правая верхняя 
                new Point(81, 100), // Правая нижняя 
                new Point(19, 100), // Левая нижняя 
                new Point(0, 38)    // Левая верхняя 
            },
            Fill = Brushes.Black
        };
    }

    private Polygon CreateHexagon()
    {
        return new Polygon
        {
            Points = new Avalonia.Collections.AvaloniaList<Point>
            {
                new Point(50, 0),   // Верхняя центральная 
                new Point(100, 25), // Правая верхняя 
                new Point(100, 75), // Правая нижняя 
                new Point(50, 100), // Нижняя центральная 
                new Point(0, 75),   // Левая нижняя 
                new Point(0, 25)    // Левая верхняя 
            },
            Fill = Brushes.Black
        };
    }

    // Обработчики событий для кнопок
    private void OnDrawSquareClick(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
    {

        var square = new Rectangle
        {
            Width = 100,
            Height = 100,
            Fill = Brushes.Black
        };

        Canvas.SetLeft(square, rnd.NextInt64((int)Width));
        Canvas.SetTop(square, rnd.NextInt64((int)Height));

        _shapeManager.AddShape(square);
    }

    public void OnClearAllClick(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
    {
        _shapeManager.ClearShapes()
    }

    private void OnDrawPentagonClick(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
    {
        var pentagon = new Polygon
        {
            Points = new Avalonia.Collections.AvaloniaList<Point>
            {
                new Point(50, 0),   // Верхняя вершина 
                new Point(100, 38), // Правая верхняя 
                new Point(81, 100), // Правая нижняя 
                new Point(19, 100), // Левая нижняя 
                new Point(0, 38)    // Левая верхняя 
            },
            Fill = Brushes.Black
        };

        Canvas.SetLeft(pentagon, rnd.NextInt64((int)Width));
        Canvas.SetTop(pentagon, rnd.NextInt64((int)Height));

        _shapeManager.AddShape(pentagon);
    }

    private void OnDrawHexagonClick(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
    {
        var hexagon = new Polygon
        {
            Points = new Avalonia.Collections.AvaloniaList<Point>
            {
                new Point(50, 0),   // Верхняя центральная 
                new Point(100, 25), // Правая верхняя 
                new Point(100, 75), // Правая нижняя 
                new Point(50, 100), // Нижняя центральная 
                new Point(0, 75),   // Левая нижняя 
                new Point(0, 25)    // Левая верхняя 
            },
            Fill = Brushes.Black
        };

        Canvas.SetLeft(hexagon, rnd.NextInt64((int)Width));
        Canvas.SetTop(hexagon, rnd.NextInt64((int)Height));

        _shapeManager.AddShape(hexagon);
    }
}