Won't Display Polygon

[Wander]

I'm trying to draw a polygon here, but the points I put in won't display.

Code: [Select]

#include <iostream>
#include <SFML/Graphics.hpp>


using namespace std;

int main()
{
    sf::RenderWindow App(sf::VideoMode::GetMode(0), "Laz's Interactive Map :: The Wrath... :: PvP Created");

    // Creates the PE map :: 7000x3000
    sf::Shape Map;
    Map.AddPoint(0,100,sf::Color(100,100,200));
    Map.AddPoint(100,100,sf::Color(100,100,200));
    Map.EnableFill(true);
    Map.EnableOutline(false);
    //Map.Rotate(45);
    //Map.Move(0,354);

    while (App.IsOpened())
    {
        sf::Event Event;
        while (App.GetEvent(Event))
        {
            if (Event.Type == sf::Event::Closed)
                App.Close();
        }

        float ElapsedTime = App.GetFrameTime();

        App.Clear();

        App.Draw(Map);

        App.Display();

    }



    return 0;
}


[Laurent]

Your "polygon" has two points, don't expect to see anything

[Wander]

Oh okay, well if you can't make it display lines like that, how can I make it display points? Like single dots.

[Walker]

You'll have to make a rectangle or use sf::Shape::Line, I'm pretty sure that's a rectangle as well, just with a handy method for creating it.

If you want to draw individual pixels you may be better served by manipulating an image. Otherwise you'll just have to make really small polygons.

[Wander]

So there is not way to actually draw single points?

[Walker]

I'm not entirely sure what you mean by single points. You should be able to make an sf::Shape the size of one pixel. If not, or if that's not suitable, you can play with individual pixels on an sf::Image (through LoadFromMemory and an array) that you use like a buffer that you draw to before actually drawing it to your window (with a sprite).

[Wander]

Oh okay. Thank you very much.

[general sirhc]

or a couple of if statements =)

if (points==1)
draw_rectangle of 1pixel
if (points==2)
draw a line
if (points>2)
draw polygon