openGL程序 简单的程序叫你如何掌握用递归思想（L-system）画一棵树（有树干有叶子）。这也是画地形的必修课。-openGL program simple procedure called recursive thinking you how to master the (L-system) draw a tree (a tree with leaves). This is a required course terrain painting.

用opengl和vc++写的画树程序，适合初学者-draw tree program using opengl

最新osg包，欢迎下载。OpenSceneGraph是在OpenGL基础上对其进行了封装和改进的图形开发包，采用树型结构来组织和绘制整个场景。-OSG latest package, welcome to download. OpenSceneGraph is based on OpenGL for their package and improved graphics development kit, the use of tree structure to organize and draw

使用opengl 进行画树的实现 有纹理贴图 光源阴影 -Use opengl to draw the tree shadows to achieve a light texture mapping