A simple game using Turtlesim

Introduction

A game made with TurtleSim in :::ROS, the task is to drive the turtle around a predefined path without going out of the line.

Prerequisites

• Ubuntu version : 20.04 / 18.04
• ROS version : Noetic / Melodic
• Editor used : Vscode
• Compiler : catkin

Building & Installation

cd catkin_ws/src

https://github.com/jerinpeter/turtle_game

cd ..

catkin_make

roslaunch turtle_launch.launch

Working in brief

• Subscribed to "/turtle1/color_sensor" topic to get the background colour of the turtle.

    " /turtle1/set_pen
    "/turtle1/teleport_absolute"

The above services where used to draw a predefined shape in the turtlsim for the user to drive the robot.

• If the turtle when out of line a warning message is given to the user.

DEMO

Improvements

• Room for addition of more shapes and complex shapes to drive the turtle around.

• Different levels with the ability to adjust thickness of the line using the "width" parameter in "/turtle1/set_pen" service.

Reference

• ROS wiki TurtleSim

• ROS Service

• Launch file creation