经典3D游戏编程入门电子书英文版《Introduction To 3D Game Programming With DirectX 9.0 2003)
一般很好很经典的3D游戏编程教材，适合初学者PartIMathematicalPrerequisites..............1Vectorsin3-Space..........................2VectorEquality.........................5ComputingtheMagnitudeofaVector.............6NormalizingaVector............