$ git clone https://github.com/ChanJoon/turtlesim_circular_motion.git
$ cd ~catkin_ws && catkin_make
$ source /opt/ros/melodic/setup.bash
or
$ source ~/.bashrc
$ roslaunch turtlesim_circular_motion main.launch
ChanJoon/turtlesim_circular_motion
ros melodic package. Make turtle have circular motion on turtlesim with custom msg.
CMake