Vector2 GetLinesCrossPoint(Vector2 A, Vector2 B, Vector2 C, Vector2 D)
{
    var a1 = B.Y - A.Y;
    var b1 = A.X - B.X;
    var c1 = a1 * (A.X) + b1 * (A.Y);
    var a2 = D.Y - C.Y;
    var b2 = C.X - D.X;
    var c2 = a2 * (C.X) + b2 * (C.Y);
    var determinant = a1 * b2 - a2 * b1;
    if (determinant == 0)
        return new Vector2(float.NaN, float.NaN);
    else
    {
        var x = (b2 * c1 - b1 * c2) / determinant;
        var y = (a1 * c2 - a2 * c1) / determinant;
        return new Vector2(x, y);
    }
}
bool LineContainsPoint(Vector2 point, Vector2 A, Vector2 B)
{
    var length = Vector2.Distance(A, B);
    var sum = Vector2.Distance(A, point) + Vector2.Distance(B, point);
    return sum.IsBetween(length - 0.01f, length + 0.01f);
}