Describe: DX collision sphere to achieve a number of demonstration.

File list(time 2003040706~2009102008)(Click to check if it's the file you need, and recomment it at the bottom):
  liuhujia
  ........\bin
  ........\...\ball.X
  ........\...\basketball.dds
  ........\...\MechWarrior.exe
  ........\...\MechWarrior.ilk
  ........\...\MechWarrior.pdb
  ........\...\texture.dds
  ........\...\vssver.scc
  ........\...\wood.dds
  ........\MechWarrior
  ........\...........\Debug
  ........\...........\.....\BuildLog.htm
  ........\...........\.....\Game.obj
  ........\...........\.....\MechWarrior.obj
  ........\...........\.....\MechWarrior.pch
  ........\...........\.....\MechWarrior.res
  ........\...........\.....\Quad.obj
  ........\...........\.....\StaticMesh.obj
  ........\...........\.....\stdafx.obj
  ........\...........\.....\Utility.obj
  ........\...........\.....\vc70.idb
  ........\...........\.....\vc70.pdb
  ........\...........\.....\vfxdebug.obj
  ........\...........\.....\vfxmemory.obj
  ........\...........\Game.cpp
  ........\...........\Game.h
  ........\...........\MechWarrior.cpp
  ........\...........\MechWarrior.h
  
  ........\...........\MechWarrior.ncb
  ........\...........\MechWarrior.rc
  ........\...........\MechWarrior.sln
  ........\...........\MechWarrior.vcproj
  ........\...........\Quad.cpp
  ........\...........\Quad.h
  ........\...........\ReadMe.txt
  ........\...........\Resource.h
  
  ........\...........\StaticMesh.cpp
  ........\...........\StaticMesh.h
  ........\...........\stdafx.cpp
  ........\...........\stdafx.h
  ........\...........\Utility.cpp
  ........\...........\Utility.h
  ........\...........\vfxdebug.cpp
  ........\...........\vfxdebug.h
  ........\...........\vfxmemory.cpp
  ........\...........\vfxmemory.h

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