screen = Screen()
blankscreen = Screen()
hitscreen = Screen()
hitscreen.clear(colour=(0,255,0))
misscreen = Screen()
misscreen.clear(colour=(255,0,0))
# create eyelink objecy
eyetracker = EyeTracker(disp)
# eyelink calibration
eyetracker.calibrate()
# display surface
disp.fill(screen=blankscreen)
disp.show()
# # # # #
# game
# run several rounds
for trialnr in range(0,TRIALS):
# start eye tracking
eyetracker.start_recording()
eyetracker.log("start_trial %d" % trialnr)
trialstart = libtime.get_time()
# run game
points = 0
stimpos = STIMPOS
instfile = open(INSTFILE)
instructions = instfile.read()
instfile.close()
instfile = open(INSTFILE_DC)
instruction_dc = instfile.read()
instfile.close()
# read all image names
images = os.listdir(IMGDIR)
image_size = (555, 987)
# display instructions
scr.draw_text(text="Press any key to start the calibration.",
fontsize=TEXTSIZE_L)
disp.fill(scr)
disp.show()
# wait for a keypress
kb.get_key(keylist=None, timeout=None, flush=True)
# calibrate the eye tracker
tracker.calibrate()
# # # # #
# RUN
# display task instructions
scr.clear()
scr.draw_text(text=instructions, fontsize=TEXTSIZE_M)
disp.fill(scr)
# eye tracking
tracker = EyeTracker(disp, trackertype='dummy')
frl = FRL(pos='center', dist=125, size=200)
# input collection and storage
kb = Keyboard(keylist=['escape', 'space'], timeout=None)
log = Logfile()
log.write(["trialnr", "trialstart", "trialend", "duration", "image"])
# run trials
tracker.calibrate()
for trialnr in range(0, len(IMAGES)):
# blank display
disp.fill()
disp.show()
libtime.pause(1000)
# prepare stimulus
scr.clear()
scr.draw_image(IMAGES[trialnr])
# start recording eye movements
tracker.drift_correction()
tracker.start_recording()
tracker.status_msg("trial %d" % trialnr)
tracker.log("start trial %d" % trialnr)
# present stimulus
response = None
trialstart = libtime.get_time()
while not response:
gazepos = tracker.sample()
frl.update(disp, scr, gazepos)
# # # # # # PREPARE # load instructions from file instfile = open(INSTFILE) instructions = instfile.read() instfile.close() # read all image names images = os.listdir(IMGDIR) # display instructions scr.draw_text(text="Press any key to start the calibration.", fontsize=TEXTSIZE) disp.fill(scr) disp.show() # wait for a keypress kb.get_key(keylist=None, timeout=None, flush=True) # calibrate the eye tracker tracker.calibrate() # # # # # # RUN # display task instructions scr.clear() scr.draw_text(text=instructions, fontsize=TEXTSIZE) disp.fill(scr)
