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Fly a Drone with Python Code

Watch the drone fly a program, then write that program yourself from a blank page. This is real Python — a real library, imported the ordinary way, running in your browser.

Mission

—

1 WatchSee the program and what each line does to the drone.
2 Your turnBlank page. Write it yourself and fly the same mission.
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The program 

        

        

      


      

        

          
          1
          Next line
          
        

        

        
        
      

      
Starting Python...

    


    

      

        Flight deck
        

          Waiting
          
          
          
          
          
          
        

      

      

        
        Drag to turn · right-drag or shift-drag to pan · scroll to zoom
      

      

        POWER off
        X 0
        Y 0
        HEIGHT 0
        FACING N
        BATTERY —
        WATER 0
        CARGO empty
      

    


  


  

    

      The library — mpi.drone
      

        Every program starts the same way. You import the class, then you build a drone from it.
        Drone is a class;
        drone is the one you made.
      


from mpi.drone import Drone

drone = Drone()
drone.power_on()
drone.takeoff()
drone.forward(3)
drone.land()
drone.shutdown()

      

        Power
        drone.power_on() — boot it up; nothing works before this
        drone.shutdown() — switch off, on the ground
        drone.charge() — refill the battery on a green pad

        Flying
        drone.takeoff() / drone.land()
        drone.forward(n) / drone.back(n)
        drone.left(n) / drone.right(n)
        drone.up(n) / drone.down(n)
        drone.turn_left(90) / drone.turn_right(90)

        Working
        drone.pickup() / drone.release()
        drone.fill() — draw water from the pond
        drone.spray() — dump water below
        drone.water() — water the garden below
        drone.pick() — take the fruit from a grown bed

        Going somewhere
        drone.fly_to(x, y) — across, then along
        PLACES["pond"] — the map of named squares
        drone.fly_to(*PLACES["pond"])

        Asking
        drone.scan() → "open" or "blocked"
        drone.fire_here() → True / False
        drone.garden_here() → a dry bed below
        drone.fruit_here() → fruit ready to pick
        drone.gardens_left() → beds still dry
        drone.water_left() → loads left
        drone.energy_left() → battery left
        drone.carrying() → True / False
        drone.position() → (x, y, height)
        print(drone) — the drone describes itself