Engine Introduction Many people have asked me for the DirectX demo C++ source code, so here it is. The Demo framework I ve build for creating the demos consist of the following components: * Kernel system, with scene manager, camera and simple

DirectX下 Viewing Frustum 的实现。 这里介绍的算法，可以直接从世界、观察以及投影矩阵中计算出Viewing Frustum的六个面。它快速，准确，并且允许我们在相机空间（camera space）、世界空间（world space）或着物体空间（object space）快速确定Frustum planes。 -DIRECT the three planes in the game programming to introduce a small example pr