Messages

1

General / Re: Linking Error

« on: July 06, 2013, 06:31:31 pm »

Thank you, Laurent! I've completely forgotten that I have copied SFML/include into Visual Studio/include folder. Problem solved

2

General / Re: Linking Error

« on: July 06, 2013, 05:09:38 pm »

Yes! Also there are many linkage errors(not just one) if I don't link any libraries at all, so it seems like I'm linking them correctly.

3

General / [SOLVED]Linking Error

« on: July 06, 2013, 12:35:00 pm »

Hi, I've been using SFML for quite a long time and didn't have any linker-related errors. Today I downloaded SFML 2.0 for vs2012 x64, set up project(include and lib folders, input libs for linker, x64 platform setting etc.) and tried to compile this tutorial code example, but I get following error:

Error   1       error LNK2019: unresolved external symbol "__declspec(dllimport) public: __cdecl sf::RenderWindow::RenderWindow(class sf::VideoMode,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,unsigned int,struct sf::ContextSettings const &)" (__imp_??0RenderWindow@sf@@QEAA@VVideoMode@1@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@IAEBUContextSettings@1@@Z) referenced in function main      E:\dev\Projects\arcadium\arcadium\EntryPoint.obj

But if I change constructor for sf::RenderWindow window to default like this:

#include <SFML/Graphics.hpp>

int main()
{
        sf::RenderWindow window;
        window.setActive(true);
        window.setVisible(true);
        sf::CircleShape shape(100.f);
        shape.setFillColor(sf::Color::Green);

        while (window.isOpen())
        {
                sf::Event event;
                while (window.pollEvent(event))
                {
                        if (event.type == sf::Event::Closed)
                                window.close();
                }

                window.clear();
                window.draw(shape);
                window.display();
        }

        return 0;
}
 

This code compiles without errors but evidently doesn't create any window. Am I missing something here?
Any help will be appreciated.

4

Graphics / SFML 2.0 flickering textures

« on: April 20, 2011, 06:32:55 pm »

Hi There! I've started using SFML 2.0 a few days ago and realized that it's awesome sf::View::SetRotation is also great.
Now I'm trying to create simple flight simulator.
When camera moves with constant speed everything is ok, but when I set speed according to App.GetFrameTime() grass texture starts flickering. Any help?

Code: [Select]


#include <SFML/Graphics.hpp>
#define TEXTURE_WIDTH 1200
#define TEXTTURE_HEIGHT 798
#define PI 3.141592654
#define SPEED 111
int main()
{
sf::VideoMode dm = sf::VideoMode::GetDesktopMode();
sf::RenderWindow App(dm, "SFML Views", sf::Style::Fullscreen);
App.EnableVerticalSync(true);
App.SetFramerateLimit(60);
sf::Image BackgroundImage;
if (!BackgroundImage.LoadFromFile("Grass.jpg" )) //http://www.dizayner.ucoz.com/3ddd/3dmitri/Grass_from_cg_textures.jpg
return 1;
sf::Sprite Background(BackgroundImage);
Background.Resize(TEXTURE_WIDTH , TEXTTURE_HEIGHT);
sf::Vector2f Center(1000, 1000); //init position
sf::Vector2f HalfSize(dm.Width / 2, dm.Height/ 2);
sf::View View(Center, HalfSize);
float angle = 45; // init camera angle
sf::Vector2f position;

position.x = Background.GetPosition().x + Background.GetSize().x / 2;
position.y = Background.GetPosition().y + Background.GetSize().y / 2;
while (App.IsOpened())
{
float time = App.GetFrameTime();
sf::Event Event;
while (App.GetEvent(Event))
{
if ((Event.Type == sf::Event::KeyPressed) && (Event.Key.Code == sf::Key::Escape))
App.Close();
}

//flickering

//position.x += SPEED * time * cos((angle - 90) * 2 * PI / 360);
//position.y += SPEED * time * sin((angle - 90) * 2 * PI / 360);

//no flickering
const float MYSPEED = 3; // depends on your hardware
position.x += MYSPEED * cos((angle - 90) * 2 * PI / 360);
position.y += MYSPEED * sin((angle - 90) * 2 * PI / 360);


if (App.GetInput().IsKeyDown(sf::Key::Left)) angle -= 1.5f;
if (App.GetInput().IsKeyDown(sf::Key::Right)) angle += 1.5f;


View.SetCenter(position.x, position.y);
View.SetRotation(angle);
App.SetView(View);
App.Clear();

for(int w = 0; w < 5; w++)
for(int j = 0; j < 5; j++)
{
Background.SetPosition(TEXTURE_WIDTH * w, TEXTTURE_HEIGHT * j);
App.Draw(Background);
}
App.Display();
}
return 0;
}