一个大牛的系列文章:An intro to modern OpenGL. Chapter 3: 3D transformation and projection
TheGPU'sspecialty,andbyextensionOpenGL's,isinrenderingthree-dimensionalscenes.Ifyoucomparelastchapter'shello-glprogramto,say,Crysis,youmightnoticethatourdemoismissingoneofthosedimensions(amongotherthi