《基于MFC的OpenGL编程》Part 5 Transformations - Rotations, Translations and Scaling
Transformations-Translation,RotationandScalingTranslationisnothingbutmovingalonganarbitraryaxis.Rotationisspinningaboutanarbitraryaxis.Scalingisincreaseordecreaseinsizealonganarbitraryaxis.Oneimportan