April 05
Prof. Ismael H. F. Santos -  ismael@tecgraf.puc-rio.br                                                          2
Culling de faces
nDefine orientação das faces
nglFrontFace (GL_CCW);
n
nDescarta faces (culling)
nglCullFace (GL_BACK);
nglEnable(GL_CULL_FACE);