Main features

  • Portable
    SFML compiles on standard platforms like Windows (98, 2000, XP, Vista) and Unix systems (Linux, Mac OS X). As the library grows up, support for more operating systems will be added.
  • Object-oriented
    SFML is written in C++ and provides an efficient, object-oriented design. It relies on standard patterns and idioms to provide a simple and robust framework.
  • Easy to use
    SFML aims at being easy to manipulate. Effort is put on internal code to provide the simplest public interface.
  • Flexible
    Instead of being one big API, SFML rather contains a lot of small packages, that can be chosen and combined according to the intended usage. You can use only the base package to get input and windowing, as well as the full graphics package with sprites and post-effects.
  • Easily integrable
    SFML can be used in one or more windows, and/or can be integrated in existing interface components. Integration with existing graphical user interface (GUI) libraries is easy, so that you can add SFML views into complex interfaces built with Qt, wxWidgets, MFC or whatever.

Languages

  • C++
  • C
  • .Net (C#, VB.Net, C++/CLI, ...)
  • Python
  • D
  • Ruby

System

  • Portable and accurate time measurement
  • Simple and object oriented threads and mutexes
  • Unicode module for proper conversions between UTF and locale-dependant encodings

Window

  • Can be used as a minimal, portable package to replace GLUT or SDL for windowing and input with OpenGL
  • Can create several rendering windows
  • Can be integrated into components of existing Qt / MFC / wxWidgets / Win32 / X11 / ... interfaces
  • Provides both a message-based and a real-time interface for handling input
  • Can handle mouses with up to 5 buttons
  • Can handle four joysticks with up to 7 axes and 32 buttons

Graphics

  • Interfaces very easily with OpenGL (see OpenGL samples)
  • Modern effects available and hardware-accelerated : alpha-blending, rotations, shaders, ...
  • Manages memory efficiently, so that you don't have to worry about resources lifetime or storage ; you can even load your graphical resources before any window is created
  • Can load and save standard image formats : bmp, dds, jpg, png, tga, psd
  • Can load all graphics resources directly from files in memory
  • Can use views like in a 3D scene, to zoom / translate / rotate the whole world
  • Uses a simplified shader language for adding real-time post-effects
  • Easy manipulation of graphical text through bitmap fonts
  • Supports unicode characters
  • Can load standard font file formats : ttf, cff, pcf, fnt, bdf, pfr, sfnt, type 1, type 42

Audio

  • Uses hardware acceleration whenever possible
  • Can load and save standard sound formats : ogg, wav, flac, aiff, au, raw, paf, svx, nist, voc, ircam, w64, mat4, mat5 pvf, htk, sds, avr, sd2, caf, wve, mpc2k, rf64
  • Can load all audio resources directly from files in memory
  • 3D sound spacialization
  • Easy interface for capturing audio
  • Manages memory efficiently, so that you don't have to worry about resources lifetime or storage
  • Supports streaming for big files ; you can even write your custom streaming class for any source (network, ...)
  • Supports multi-channels formats (mono, stereo, 4.0, 5.1, 6.1, 7.1)

Network

  • Implements a portable layer over TCP and UDP sockets
  • Easy data transfers through stream-based extensible packets
  • Classes to use the HTTP and FTP internet protocols
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Back in May, I made a simple demo for a University Thesis, now it’s less than two weeks away from being released onto Steam. This is such an exciting occassion for me, but also a nerve wracking one. If all goes to plan, Gemstone Keeper will be available on Steam on March 31st at 6pm GMT.

For the time being I will be working hard on polishing the game and getting the word out, I appreciate any help from that. There have been several updates from when the game was shown at LAGC, especially thanks to the feedback I got of the game from both GEEK Play Expo and GDC. Game has been balanced (repeatedly), boss battles have been redone and several bugs have been fixed.

I’d also like to give my thanks to Gemstone Keeper’s composer for the soundtrack, Vincent Rubinetti. He is probably best known for producing the music to the game INK, the colourful yet minimal platformer by Zack Bell. We’ve been in regular discussions both online and at GDC about the game’s music, and you can hear one of the tracks from the game’s brand new trailer above, I think it’s some brilliant work.

I’d like to thank everyone who has shown support for Gemstone Keeper over the last year or more, this game has been a huge milestone to conquer and I hope all those who try it will have a great experience.

It’s just amazing to think of how it all started…

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Comments
MagnusJoker
MagnusJoker

SFML the best engine to develop games for desktop.

Reply Good karma Bad karma+3 votes
marek.zelinka
marek.zelinka

Creator`s of this site could add Library Used or anything like that to the Profile of game, so that game developers can make credits to the library they are using!

Reply Good karma Bad karma+2 votes
marek.zelinka
marek.zelinka

SFML is not an ENGINE!!!
SFML is a free multimedia C++ API that provides you low and high level access to graphics, input, audio, etc... !!!

Reply Good karma Bad karma+7 votes
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