static void Main(string[] args)
{
var shapes = new GeometricShape[] {
new Rectangle(10, 5),
new Triangle(4, 6, 30),
new Circle(4)
};
var drawVisitor = new DrawVisitor(0, 0);
var areaVisitor = new GetAreaVisitor();
var parameterVisitor = new GetPerimeterVisitor();
foreach (var shape in shapes)
{
Console.WriteLine(shape.Name);
shape.Accept(drawVisitor);
Console.WriteLine($"Points = {string.Join(", ", drawVisitor.Points[shape])}");
shape.Accept(areaVisitor);
Console.WriteLine($"Area = {areaVisitor.Areas[shape]}");
shape.Accept(parameterVisitor);
Console.WriteLine($"Parameter = {parameterVisitor.Parameters[shape]}");
Console.WriteLine();
}
;
}
static void Main(string[] args)
{
var figures = new List <Figure> {
new Circle(10), new Square(20), new Triangle(3, 4, 5)
};
var areaVisitor = new AreaVisitor();
var colorVisitor = new ColorizeVisitor();
var drawVisitor = new DrawVisitor();
foreach (var figure in figures)
{
figure.AcceptColorizeVisitor(Color.Blue, colorVisitor);
figure.AcceptDrawVisitor(0, 0, drawVisitor);
figure.AcceptGetAreaVisitor(areaVisitor);
}
//Output:
//Drawing Circle on position 0, 0
//Circle's area: 314,159265358979
//Drawing Square on position 0, 0
//Square's area: 400
//Drawing Triangle on position 0, 0
//Triangle's area: 6
}
