qt的学习笔记，从简单的hello qt，连接信号，对话框，菜单和工具条。。。到2D和3D图形系统，opengl调用，非常实用-qt learning notes, from a simple hello qt, connecting signal, dialog, menu and toolbar. . . To 2D and 3D graphics system, opengl calls, very useful

OpenGL喷泉效果,C++实现.用粒子系统实现喷泉-opengl

opengl粒子系统，加载了人物模型，并简单实现瀑布，下雪的效果-opengl particle system, loaded with character models and simple implementation waterfalls, snow effect