对正方体的进行移动、比例和旋转变换，并显示透视或平行投影结果。-Of the cube to move, scale and rotation, perspective or parallel projection and display the results.

一个C++三维投影透视的代码，通过本代码你可以了解下三维投影、三维透视的相关原理与实现方法，本例相对简单些，运行示例截图如上所示。-A three-dimensional projection perspective C++ code through the code you can understand the three-dimensional projection, the relevant principles and implementation of a three-dimensio

一个C++三维投影透视的例子，通过本例子你可以了解下三维投影、三维透视的相关原理与实现方法，本例相对简单些，运行示例截图如上所示-A C++ examples of three-dimensional perspective projection, through this example you can see three-dimensional projection of a three-dimensional perspective of the relevant principles a