Mars Rover Technical Challenge
A squad of robotic rovers are to be landed by NASA on a plateau on Mars.
This plateau, which is curiously rectangular, must be navigated by the rovers so that their on board cameras can get a complete view of the surrounding terrain to send back to Earth.
A rover's position is represented by a combination of an x and y co-ordinates and a letter representing one of the four cardinal compass points. The plateau is divided up into a grid to simplify navigation. An example position might be 0, 0, N, which means the rover is in the bottom left corner and facing North.
In order to control a rover, NASA sends a simple string of letters. The possible letters are 'L', 'R' and 'M'. 'L' and 'R' makes the rover spin 90 degrees left or right respectively, without moving from its current spot.
'M' means move forward one grid point, and maintain the same heading.
Assume that the square directly North from (x, y) is (x, y+1).
The Mars plateau will not be larger than the terminal's screen for display purposes.
A rover has to get to its destination before another rover can be landed and start its journey.
You have a working Ruby environment.
Clone the repository.
git clone /~https://github.com/kobusjoubert/mars_rover.git
Change into the project directory.
cd mars_rover
Install dependencies.
bin/setup
Deploy rovers to Mars.
bundle exec exe/mars_rover
After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests and rake rubocop to check styling. You can also run MARS_ROVER_ENV=development bin/console for an interactive prompt that will allow you to experiment.
Bug reports and pull requests are welcome on GitHub at /~https://github.com/kobusjoubert/mars_rover.
The project is available as open source under the terms of the MIT License.