lesson48\Lesson48\ArcBall.cpp
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.......7\Lesson47\Lesson47.cpp
........\........\Lesson47.dsw
........\........\Lesson47.exe
........\........\NeHe's Readme.txt
........\........\NeHeGL.cpp
........\........\NeHeGL.h
........\........\Lesson47.ncb
........\........\Lesson47.opt
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........\........\Cg\Wave.cg
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.......8\Lesson48
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lesson48
lesson47