lesson47\Lesson47\Cg\Wave.cg ........\........\Lesson47.cpp ........\........\Lesson47.dsp ........\........\Lesson47.dsw ........\........\Lesson47.exe ........\........\Lesson47.ncb ........\........\Lesson47.opt ........\........\NeHe's Readme.txt ........\........\NeHeGL.cpp ........\........\NeHeGL.h ........\........\Cg ........\Lesson47 lesson47