Simple and Fast Multimedia Library - a free, portable API that provides access to graphics, input, audio, etc.

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2answers
496 views

How does one load TMX files into a SFML game?

How does one load .tmx files from Tiled into a SFML game?
2
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0answers
656 views

2D water shader in SFML

I want to implement the algorithm for a 2D water surface described here and here. Before somebody finds out, beats me up and deletes this, I'm gonna say it myself. I posted this question over at ...
4
votes
2answers
402 views

Game state management: the buck doesn't stop “here” soon enough

I realize there are already many Q&As on this site about GameState/GameScreen management, state machines, state stacks, etc. This question is meant as a follow-up: Suppose hypothetically I ...
2
votes
4answers
636 views

How can I have parent-child transform in a component system?

Before when using inheritance, I could draw all my objects using this recursive function: void Object::innerDraw(sf::RenderTarget& target, sf::RenderStates states) { states.transform *= ...
1
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1answer
358 views

Indoor 3D game worlds

I'm looking for a little direction. I'm building a game engine as a part of my university project, and I'm having a little trouble about what to look for when it comes to indoor 3D game worlds. Now ...
0
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1answer
547 views

Does SFML render it's graphics using OpenGL internally?

By that, I mean that SFML has an abstraction for OpenGL? Sort of like SDL's blit functions, but using OpenGL internally? "Yes SFML uses OpenGL for all the graphical stuff. " Received this comment ...
1
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1answer
358 views

OpenGL Depth Buffer/Coordinate issue with SFML

For some reason, my coordinate system in OpenGL is getting all messed up with depth. When I put something more than 1 unit away from zero (in terms of the Z coordinate), I can't see the object. ...
2
votes
1answer
365 views

SFML - Completely Unlimit Framerate

I am trying to completely unlimit the SFML framerate, so that as many frames will be displayed as possible. The reason for this is I want to loop through one section of code which calculates positions ...
0
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1answer
291 views

Picking a suitable resolution for a modern low-res game?

I'm working on a 2D game project right now (using SFML+OpenGL and C++) and I'm trying to figure out how to go about choosing a resolution. I want my game to have a pixel resolution that is around that ...
0
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1answer
158 views

How to achieve selection of a tile from a tile sheet based on an ID?

Let's say I have a tile sheet that contains 8 sprites per sheet. Each sprite is a tile of 30x30. I wrote my own custom map parser/map loader however I'm having trouble extracting a certain tile ...
2
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1answer
1k views

Does SFML render graphics outside the window?

While working on a tile-based map I figured it would be a good idea if I would only render what the player sees on the game window, but then it occurred to me that SFML could already be optimized ...
2
votes
1answer
3k views

How to display text and numbers in SFML 2.0

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 ...
8
votes
1answer
2k views

Fast, accurate 2d collision

I'm working on a 2d topdown shooter, and now need to go beyond my basic rectangle bounding box collision system. I have large levels with many different sprites, all of which are different shapes and ...
2
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1answer
754 views

Can't use SFML sprite drawing and OpenGL rendering at the same time

I'm using some SFML built in functions to draw sprites and text as an overlay on top of some OpenGL rending in an SFML RenderWindow. The opengl rendering appears fine until I add the code to draw the ...
6
votes
1answer
160 views

Get SFML to report the version of OpenGL that is being used

How can I get SFML to report the version of OpenGL that is being used by the render window?
0
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1answer
678 views

How can you run events after a set amount of time in SFML 2.0?

I've been using SFML 1.6 for a while and recently upgraded to 2.0, apparently there's a new sf::Time type however I'm clueless as to how I can achieve running of a certain function after a set amount ...
10
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5answers
607 views

Do you need expensive servers and fancy hosting in order to make a multiplayer game?

I've finished working on an RPG and it would seem so much more fun to make it multiplayer. SFML has a networking feature, I figured it's possible but then again, never in my life have I even tried ...
52
votes
9answers
5k views

How can you put all images from a game to 1 file?

I've just finished a basic RPG game written in C++ SFML, I've put a lot of effort into the game and I'd want to distribute it, however I've ran into a small issue. Problem is, I have well over 200 ...
4
votes
3answers
411 views

Current library situation [closed]

Allright so I've been doing some searches, here what I got: SDL: It is a standard, very mature but very old. (I got posts of late 2009 where they were still waiting for the 1.3 to come up...we are ...
0
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1answer
153 views

Strange behavior for “make x face y” algorithm (with video)

I know, I know, on the internet there are a lot of tutorial on how to get the angle between the center of two objects or "make x face y". I have this code: // (180 / PI = 57.3065) float ...
2
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3answers
228 views

Collision organization problems

I just started playing around with c++ and some SFML. I'm going to create a 2D game with top view to test my ability and I came across a very big problem: collision detection and physics. So I see at ...
-1
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1answer
361 views

Collision Detection Failing at faster Speed?

I am new to programming so thought I would make a Pac-Man clone to teach myself. I am doing it in C++ using SFML. Anyway, I use a bunch of collision tests. Everything works great.. but if I am going ...
4
votes
1answer
3k views

Loading textures with sfml for Open GL

I'm looking at nehe's texturemapping tutorial and it looks a bit overly complicated for just loading a texture. Is there a way to load a texture in SFML and then use it in Open GL? I use SFML for my ...
0
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1answer
141 views

Open GL polygons not displaying

I have tried to follow nehe's opengl tutorial lesson 2. I use sfml for my window creation. The problem I have is that both the triangle and the quad don't show up on the screen: #include ...
0
votes
2answers
792 views

Action button: only true once per press

I'm using SFML2.0 and am trying to make a wrapper class for my controller/joystick. I read all the input data from my controller and send it off to my controllable object. I want to have two types of ...
-1
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1answer
468 views

How to fix OpenGL Co-ordinate System in SFML?

My OpenGL setup is somehow configured to work like so: (-1, 1) (0, 1) (1, 1) (-1, 0) (0, 0) (1, 0) (-1, -1) (0, -1) (1, -1) How do I configure it so that it works like so: (0, 0) (SW/2, 0) (SW, 0) ...
0
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1answer
230 views

Animating isometric sprites

I'm having trouble coming up with a way to animate these 2D isometric sprites. The sprites are stored like this: (Game Folder Root)/Assets/Sprites/(Sprite Name)/(Sprite Animation)/(Sprite ...
0
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1answer
328 views

Creating movement path displays in a top-down 2d RTS

My game is a top-down 2d RTS coded in C# using SFML's libraries. I want that during unit selection, a unit will display it's movement path on the map. Currently, after the path is computed as a list ...
1
vote
1answer
312 views

How do I get the coordinates of a rotated shape in SFML? [closed]

I am trying to get collisions of bullets working, and am using SFML. I am using code to get the position of the points of the rectangle for collisions, however I think there's a way to do this without ...
1
vote
1answer
249 views

Unit selection - logic & screen communication

I'm building a game using SFML, with disconnected logic & screen systems that run on different threads and communicate through synchronised buffers. Now, this system worked perfectly well when I ...
1
vote
0answers
254 views

Keeping crosshairs & GUI onscreen - SFML

I read this question, but didn't understand the implementation suggestions with SFML on C#. For example, right now I'm just trying to make sure that the mouse crosshairs stay onscreen constantly. I ...
1
vote
1answer
181 views

Duplicating Images in SFML

I was wondering how one would go about duplicating the same sprite in SFML, instead of having to create new sprites every time I would want have another sprite of the same image. Just some basic ...
9
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4answers
1k views

Collision rectangle response

I'm having difficulties getting a moveable rectangle to collide with more than one rectangle. I'm using SFML and it has a handy function called intersects which takes 2 rectangles and returns the ...
2
votes
2answers
412 views

3D Translation using only distance and angles

So I'm starting to foray into 3D game programming, but I've hit something of a snag. I have an object I want to move around. It should always move either forward or backward relative to its local Z ...
-2
votes
1answer
365 views

Check one side of a rectangle for collision detection?

How can I check to see if only one side of a rectangle is colliding with another?
0
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3answers
944 views

How to handle many sprites and update?

I am making a game, and I just started to think about how I am going to update and render all the sprites on the screen. Should I store all sprites in some type of list (vector or something?) and then ...
0
votes
1answer
690 views

Creating an abstract Animation class

I'm creating a simple 2d game with c++ and SFML, and I've got a simple framework going for animating a sprite using a "SpriteSheet" image (an big image containing all the "frames" of an animation) ...
4
votes
1answer
350 views

How could I implement my library/game to run in a browser plugin?

I usually code cross-platform, to build as native code for Mac Linux and Windows, but I clearly see the value in being able to display my game in a browser. Could you guide me in doing such a task? ...
3
votes
1answer
4k views

glCreateShader causes segmentation fault

I can't create a shader when trying to use shaders with sfml. The function glCreateShader(GL_VERTEX_SHADER); causes a segmentation fault. At first I googled it and found that it does that when the ...
1
vote
1answer
759 views

Should I write my own game engine, and if so what are the main features? [duplicate]

Possible Duplicate: When to roll your own game engine? I've been interested in writting games for a while, and now that I have acquired a bit of experience in programming, I feel like I ...
1
vote
1answer
2k views

SFML - Moving a sprite on mouseclick

I want to be able to move a sprite from a current location to another based upon where the user clicks in the window. This is the code that I have: #include <SFML/Graphics.hpp> int main() { ...
7
votes
1answer
2k views

Is it possible to use SFML with the Android NDK?

I've started using SFML recently and I absolutely love it. I'd like to make games that could be ported to android, linux, mac and windows, but it seems that SFML lacks portability. I've searched for ...
2
votes
3answers
1k views

Question about “Entity System” design

I am developing a top down 'thing' in SFML and C++ and was wondering about how best to handle so called Entities in my game. An entity, for example is defined by me as an object in-game, such as a ...
2
votes
2answers
470 views

how to keep a GUI on-screen without moving or resizing it according to camera movement

Hey i'm trying to make a GUI lib with SFML, and everything's done except one problem: Making the Interface stay still even when the camera moves or zooms in/out. This would be easy to fix if zooming ...
1
vote
1answer
464 views

How to form a concave shape out of convex shapes? [closed]

I'm trying to get around the rule of only being able to form convex shapes in the SFML C++ library. To do this I'm planning on testing given vertices, and if concave, splitting the vertices ...
0
votes
1answer
655 views

How to render images/textures in shape/polygon form?

I'm working with SFML right now, and upon finishing the tutorials I still do not know how to give a shape a texture or image -- not just a solid color/outline. The only thing I know can take an ...
7
votes
2answers
1k views

Better animation of elements in SFML/C++

This is not about animating individual characters or elements, I'm happy with spritesheets for that. What I'm looking for is the animation of elements on screen. For example my game starts and the ...
0
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2answers
1k views

my SFML sprite Move() function: FeedBack?

Hey so i'm making a pong game with SFML and in the process made a function that takes a Time, Speed, Angle of movement, buffer for the movement on the X axis, and buffer for the movement on the Y ...
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2answers
318 views

What are some good combinations of libraries? [closed]

Lately I have been working on a game that i plan to make online. I have used different libraries to make this game as far as i could, but I feel that I should rethink on how Im sertting this game up, ...
2
votes
1answer
3k views

Converting 3D coordinates to 2D and back?

I'm wondering if there is a simple way to convert 3D coordinates to 2D coordinates. Also, if it's possible, to convert in the reverse direction. I'm using OpenGL(GLUT) in my C++ project. I am also ...