绘制基本图形实例
................\Debug
................\.....\glut1.exe
................\.....\glut1.ilk
................\.....\glut1.obj
................\.....\glut1.pch
................\.....\glut1.pdb
................\.....\vc60.idb
................\.....\vc60.pdb
................\glut1.cpp
................\glut1.dsp
................\glut1.dsw
................\glut1.ncb
................\glut1.opt
................\glut1.plg