基于OpenGL的虚拟场景生成技术

介绍了虚拟地形场景生成的基本技术,说明了规则格网方法的地形建模方法。使用线性迭加法模拟了海浪并加以绘制,并描述了树木、天空、船只、道路等自然景观的建模过程;给出了一种在PC环境中使用OpenGL图形接口和Visual C＋＋开发虚拟地形场景的技术和方法.讨论了虚拟场景的实时绘制技术,利用多线程技术实现了三维虚拟地形的实时绘制,绘制速度基本达到实时绘制的要求.最后,给出了一个虚拟地形场景的实例,并实现了人机交互,可以进行实时漫游。

A Generating Technique of Virtual Terrain Environment Based on OpenGL

The basic generating technique of virtual terrain environment is introduced.The rendering process of terrain using linear iterative method is illuminated and implemented.The modeling process of trees,sea surface,ships,geometry,roads is summarized.A technique and method of developing virtual terrain environment is given,this method is using OpenGL technique and Visual C++ based on PC.The technique and implement of virtual environment real-time rendering is discussed and the real-time rendering of virtual env...