osg园区视景仿真，实现小车碰撞检测，粒子效果，键盘控制局部窗口，文本显示功能，程序在VS2013下配置osg3.4实现-OSG Park visual simulation, car collision detection, particle effects, keyboard control of local windows, text display, the program in the VS2013 configuration osg3.4

粒子滤波跟踪算法C++实现,内含visual studio 2010 工程文件-tracking object with algorithem of Partical_tracking