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Questions tagged [allegro]

Allegro is a low-level game programming library distributed freely, supporting desktop and mobile platforms. It is coded in C and offers several language bindings.

The latest stable version is 5.0. It is completely rewritten with a new API and full hardware accelerated graphics via OpenGL or D3D. There is official support for Windows, OS X, Linux, and iOS. There is also an unstable branch 5.1.

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Linking allegro 5 on debian

I followed this guide: http://wiki.allegro.cc/index.php?title=Debian_and_Allegro_5 Everything went smooth, and I have /usr/include/allegro5 and allegro lirary files in /usr/lib When I compile simple program, includes are resolved correctly, but I…
kovarex
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Need help in C++ with allegro library....?

I installed CodeBlocks 10.5 with minGW compiler. After setting environment variables for minGW I cheked gcc -v on cmd and it is working fine. The problem is that, I have made a small program in CodeBlocks project the code is below #include…
Bilal
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Drawing Text Using OpenGL and Allegro 5

How can I draw 2d text using openGL and Allegro 5 in C++? I want to be able to specify a font file to load, and not have to put all the characters into an image file by hand.
John Stimac
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Sprite coordinates issue

I created a class for a type of enemy using allegro4 and C++; in this class I have a function that makes move a sprite, like this: sprite_one(x, y); sprite_two(x2, y2); class enemy{ public: void mov(){ x++; ---- …
jhon k.
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How to draw a binary matrix to the display

I'm recreating tetris in c++ for a starter project. I'm using allegro for user input and drawing to the display. Every action, move, rotation is inserted into a 2x2 matrix. Now I got stuck at drawing the actual matrix to the screen. Here's my…
Vid Osep
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How to convert pixels into indices

The problem it's I need to change a matrix and I just have acess to these positions in pixels x and y, how can I convert x and y into an indice ? E.g : char *map[20][17] = { "WWWWWWWWWWWWWWWW", "WFFFFFFFFFFFFFFW", "WFWWWWWFFWWWWWFW", …
user7075574
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I can't log out the output C program

I am developping a game with allegro library. I wrote a starter C code then I compile the program on Ubuntu Terminal.After that When I open the output program,the program open but not closed.Cancel Button(X) is not working. Here is my starter…
Tarkan Genç
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Allegro Throws errors when trying to draw lines

For some reason allegro (C++ Game Engine), throws errors when i try to run... So first this code works fine ! : #include #include int main(void) { int width = 640, height = 480; …
amanuel2
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Unhandled exception error Visual Studio 2012 and Allegro 4

I´m using allegro 4.4.2 on Visual Studio 2012 for a school project. Allegro is installed and working, and I'm trying to get it to load a map.txt file which is located in the project folder. When debugging, allegro freezes and becomes incredibly slow…
Turkeydipking
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How can I learn advanced game programming?

I am Computer Science student, but there is no particular provision or course for learning game programming in our college. I have been studying allegro API for the past year. But I am still unsure how to apply physics in games and realistic games.…
Paul Thomas
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Why do allegro crash when blitting? What does these debug reports mean?

I was programming in c++ using the allegro library in code::blocks. I declared a bitmap, loaded the bitmap and blit the image to test if the bitmap is being drawn into the screen. I compiled this program and the compiler found no errors. When I run…
George Ebeid
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Software to track several memory errors in old project?

I am programming a game since 2 years ago. sometimes some memory errors (ie: a function returning junk instead of what it was supposed to return, or a crash that only happen on Linux, and never happen with GDB or Windows) happen seemly at random.…
speeder
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Allegro 5 assertion fail

I am trying to load a bitmap with allegro 5.0.10 ALLEGRO_PATH *path = al_get_standard_path(ALLEGRO_RESOURCES_PATH); al_set_path_filename(path, "Bitmap.bmp"); al_init_image_addon(); ALLEGRO_BITMAP *bmp = al_load_bitmap(al_path_cstr(path, '/')); if…
junyi00
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Creating a mutex class using Allegro mutexes

I'm trying to create a custom mutex class based on the Allegro mutex (cross-platform). I am not using C++11. I'm trying to do it like this, but it seems to be a bit superfluous: template class Mutex { private: ALLEGRO_MUTEX *mutex =…
creXALBO
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Why is this member's value changing?

I am creating an object called "ID1000" of type "Maps". The object contains a member, "Platforms[][]". Platforms[][] is a two-dimensional array. class Maps{ int Platforms[][4] } ID1000; ID1000.Platforms[0][0] = 100; Here, I set Platforms[0][0]…
John Smith
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