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

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0
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1answer
159 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
votes
3answers
260 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 ...
0
votes
1answer
478 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 ...
6
votes
2answers
4k views

How do I load textures with SFML for OpenGL?

I'm looking at NeHe's texture mapping tutorial. It looks 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
votes
1answer
151 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
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2answers
1k 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
votes
1answer
614 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
281 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
388 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
610 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
285 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
280 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
197 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 ...
10
votes
4answers
2k 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
528 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
434 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
votes
3answers
1k 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
889 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
466 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? ...
4
votes
1answer
5k 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
834 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 ...
2
votes
1answer
3k 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 ...
3
votes
2answers
660 views

How can I keep a GUI on-screen without moving/resizing it according to camera motion?

I'm trying to make a GUI library with SFML, and everything's done except for one problem: making the interface stay still even when the camera moves or zooms in and out. This would be easy to fix if ...
1
vote
1answer
516 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
806 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
2k 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
votes
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 ...
-3
votes
2answers
343 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 ...
13
votes
5answers
3k views

Python Performance vs Game Maker [closed]

I was originally thinking of creating a game with Python and SFML. I understand Python is slow compared to C++, but how is it compared to Game Maker? The main reason I ask is I recently played a Game ...
1
vote
1answer
349 views

Theoretic question about rendering in sfml and in general

I have read whole tutorial section on sfml-dev.org and have some question. What are exactly views and how to use them ? Should I render things in views or in renderwindow ?
4
votes
5answers
2k views

Does SFML support these specific features that I require?

I've been working on a game in c++ for about a week and a half, and I've been using SDL. However, my current engine only needs the following from whatever library I use: enable double buffering load ...
1
vote
1answer
530 views

SFML title bar with weird characters when using UTF-8

(Previously asked at http://stackoverflow.com/questions/4922478/sfml-title-bar-with-weird-characters-when-using-utf-8) I've just started using SFML and one of the first problems I've come across is ...