Книга: DirectX 8 Programming Tutorial

Introduction

Introduction

All 3D shapes are made up from a number of polygons, normally triangles. Triangles are used because they are the most efficient polygons to draw. So, if you wanted to draw a square, it is more efficient to draw two triangles next to each other rather than one square. Therefore, this tutorial will show you how to create one of the building blocks of 3D graphics: a triangular polygon.


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