说明：  XMathLib是一个通用的3D图形数学库。 其中包含两个部分： XMathLib和XGeomLib。分别处理数学和几何运算。 数学部分包含向量、矩阵、四元数的运算。以及其它的运算。 几何部分包含Box Frustum AABB OBB Ray Line Line-Segment Plan Triangle等的运算。
(XMathLib is a generic 3D graphics math. Which consists of two parts : XMathLib and XGeomLib. Separate processing mathematical and geometric computing. The math section includes vector, matrix, quaternion arithmetic. , And other arithmetic. Geometric part consists Box Frustum AABB OBB Ray Line Line-Segme nt Plan Triangle such arithmetic.)