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I want to display some text and numerical data over my OpenGL scene in SFML 2.0. I've looked at the SFML 1.6 text tutorials here. But I can't get the code to work. There is (as of yet) no text tutorial for 2.0

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SFML 1.6 and 2.0 are very different. I suggest you follow the 2.0 documentation rather than the 1.6 one. – Bugster Nov 9 '12 at 19:52
@ThePlan, SFML 2.0 documentation is still fairly sparse, that's why I put this question and answer here – Ken Nov 9 '12 at 21:20
up vote 5 down vote accepted

A lot of the method names have changed in the transition from SFML 1.6 to 2.0. So the 1.6 tutorials will not work without modification.

First you will need to creat a font, you can do this using a .ttf file

//create a font
sf::Font font;

// Load it from a file
if (!font.loadFromFile("../sansation.ttf"))
    //find this file in the "pong" example in the SFML examples folder
    std::cout << "Error loading font\n" ;

Inside your render loop, after drawing your scene, you can add this code to render some text and numerical data:

//Draw scene
//.........Draw Scene stuff......

//save the openGLstate if using OpenGL
//becase text drawing may well change some OpenGL settings

static float frameCount=0;

std::ostringstream ss; //string buffer to convert numbers to string
ss << "Hello World , frame count is: " << frameCount;// put float into string buffer

//set up text properties
sf::Text atext;

atext.setString(ss.str()); //ss.str() converts the string buffer into a regular string 

//draw the string

//restore OpenGL setting that were saved earlier
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It's also worth noting that unlike in 1.6, there isn't a default font in SFML 2.0. – Alayric Dec 1 '12 at 15:22

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