Gazebo中为模型添加颜色和纹理
https://blog.youkuaiyun.com/yuguo0_331/article/details/89205163
ROS与GAZEBO实时硬件仿真(1)——urdf的编写
https://blog.youkuaiyun.com/wubaobao1993/article/details/80947968
ROS与GAZEBO实时硬件仿真(2)——urdf的gazebo属性
https://blog.youkuaiyun.com/wubaobao1993/article/details/80960584
ROS与GAZEBO实时硬件仿真(3)——将gazebo和ros连接起来
https://blog.youkuaiyun.com/wubaobao1993/article/details/80947968