oglpmesh.dsp glmodelwin.h mesh.h pmesh.h resource.h triangle.h vec3.h vertex.h glmodelwin.cpp main.cpp mesh.cpp pmesh.cpp triangle.cpp vec3.cpp vertex.cpp pmesh.exe polydemo.rc readme.txt big_porsche.ply hind.ply cow.ply cat.ply huge_bunny.ply apple.ply