Setting joystick axes motion as allowed response on joystick plugin

Comments

• eduard

  October 2017

  Hi,

  I have literally no idea about Joysticks or that plugin, but the error you describe usually occurs if you forget the [] in Opensesame items (see here) . So maybe try something like: [joyaxismotion]?

  Sorry for not being a better help here.

  Eduard

  
• moltenMonkey

  November 2017

  Hi Eduard!

  First and foremost - Thanks for your reply :-)

  I've tried to put [ ] around the variables I used for the "allowed response" field in the joystick plugin. It didn't work...I begin to wonder if you can set joystick motions as allowed responses at all with the plugin?
• eduard

  November 2017

  Okay. Then I don't know myself. Maybe you can access the joystick in an inline_script? Similarly to how you can access for example keyboards. Then you can implement an if statement that makes sure only a certain response is triggering the continuation of the script. Again, this is just guessing on my end. I don't know whether these variables are available and what they would look like.

  sorry,
  Eduard

  
• moltenMonkey

  November 2017

  Hey!

  In the end, I'm going to use the joystick plugin only to initialize the joystick. To get my problem fixed I now use:

  running = True

  t0 = time.time()        
  while running:
      # get input
      position, timestamp = joystick.get_joyaxes(timeout=50000)   #get joystick movement
      if position[1] > 0.8:                                       #define threshold of y-axis movement
          joy_dir = "down"
          joy_rt = time.time() - t0                               #reaction time
          if var.stimulus_occ == "yes":                           #correct response
              joy_cor = 1
          else:
              joy_cor = 0
          running = False
      elif position[1] < (-0.8):
          joy_dir = "up"
          joy_rt = time.time() - t0
          if var.stimulus_occ == "yes":
              joy_cor = 0
          else:
              joy_cor = 1
          running = False
  else:
      print(joy_dir)
      print(joy_rt)
      print(joy_cor)
  print("done")
  
  var.joy_y = position[1]
  var.joy_dir = joy_dir                                                   # create variables
  var.joy_rt = joy_rt
  var.joy_cor=joy_cor
  

  I feel like it's a bit inconvenient and could definitely be more elegant. Also, I'm passing on accuracy outputs and reaction time information from the plug in...but hey, it works! I'm getting the joystick movement and if it was the correct movement for the stimulus occurrence.

  I'm running in other difficulties now - I'll open another discussion for that though. Thanks a lot for your support Ed!