Untitled

using System.Windows;
using System.Windows.Controls;
using System.Windows.Shapes;

public class ViewModel
{
    public bool AreRectanglesTouchingOuterCircle(Canvas canvas, double outerCircleRadius)
    {
        foreach (UIElement element in canvas.Children)
        {
            if (element is Rectangle rectangle)
            {
                Point rectangleCenter = new Point(Canvas.GetLeft(rectangle) + rectangle.Width / 2, Canvas.GetTop(rectangle) + rectangle.Height / 2);

                // Calculate the distance between the rectangle center and the outer circle center
                double distance = CalculateDistance(rectangleCenter, new Point(0, 0));

                // Check if the distance is less than or equal to the outer circle radius
                if (distance <= outerCircleRadius)
                {
                    return true; // At least one rectangle is touching the outer circle
                }
            }
        }

        return false; // No rectangle is touching the outer circle
    }

    private double CalculateDistance(Point p1, Point p2)
    {
        double dx = p1.X - p2.X;
        double dy = p1.Y - p2.Y;
        return Math.Sqrt(dx * dx + dy * dy);
    }
}