c/c++的游戏库
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allegro是一个c/c++的游戏库，免费，开源，支持定点和浮点。具有数学函数、3D函数、文件管理函数、数据文件压缩和GUI等功能。最初作者是shawn hargreaves。
Dos:
Adlib, SB, SB Pro, SB16, AWE32
MPU-401
ESS AudioDrive
Ensoniq Soundscape
Windows Sound System
Math functions
fixed point arithmetic and trigonometric routines
precalculated trigonometric tables
vector/matrix/quaternions 3d manipulation (translation, rotation, scaling, projection)
Misc
mouse, keyboard and joystick management
high resolution interrupt timers (resolution of 10, 5 or less ms depending on platform)
vertical retrace simulation
manipulate configuration files
manipulate compressed files in LZSS format
manipulate multi-object resource-like compressed datafiles
tool for creating datafiles (grabber)
simple GUI for dialogs and file selector
