shooting game developed by C++, SDL

《SDL入门教程》，SDL是一款C语言图形库，能用来进行窗口化图形等一系列开发，这是一本入门的书。-SDL introductory tutorial SDL graphics library is a C language can be used to windowing graphical development, this is an introductory book.

SDL（Simple DirectMedia Layer）是一套開放原始碼的跨平台多媒體開發函式庫，使用C語言寫成。SDL提供了數種控制圖像、聲音、輸出入的函式-SDL (Simple DirectMedia Layer) is an open-source cross-platform multimedia library developed using C language. SDL provides several control images, sound, input and outp