def play_movie(self, ns, eyetracker, mouse, gaze_debug):
self.images['l'].pos = [-self.peripheral_offset, 0]
self.images['r'].pos = [self.peripheral_offset, 0]
# Play movie
self.win.callOnFlip(self.add_event, ns, eyetracker, 'mov1', 'movie start', self.code_table)
attending_frames = 0
while not self.video_stim.stim.status == visual.FINISHED:
# Draw video frames and stimuli
self.video_stim.stim.draw()
for image in self.images.values():
image.draw()
draw_eye_debug(gaze_debug, eyetracker, mouse)
self.win.flip()
# Get gaze position from eyetracker or mouse
gaze_position = (0, 0)
if eyetracker is not None:
gaze_position = eyetracker.getCurrentGazePosition()
gaze_position = (0.5 * (gaze_position[0] + gaze_position[2]),
0.5 * (gaze_position[1] + gaze_position[3]))
elif mouse is not None:
gaze_position = mouse.getPos()
# Check if looking at face
if fixation_within_tolerance(gaze_position, self.init_frame.pos, 10, self.win):
if gaze_debug is not None:
gaze_debug.fillColor = (-1, -1, 1)
attending_frames += 1
if attending_frames == 1:
self.win.callOnFlip(self.add_event, ns, eyetracker, 'att2', 'attn face', self.code_table)
else:
if gaze_debug is not None:
gaze_debug.fillColor = (1, -1, -1)
if gaze_debug is not None:
gaze_debug.fillColor = (1, -1, -1)
def highlight_peripheral_stimulus_click(self, ns, eyetracker, mouse, gaze_debug):
# Set which stimulus to highlight
self.highlight.pos = self.images[self.attention].pos
resp = None
mouse.clickReset()
highlight_on = False
idx = 0
attending_frames = 0
self.win.callOnFlip(self.add_event, ns, eyetracker, 'ima2', 'attn start', self.code_table)
while resp is None and idx < self.max_attending_frames:
# Draw init frame of movie and two stimuli
self.init_frame.draw()
current_pos = self.images[self.attention].pos
if idx % 5 == 0:
new_pos = current_pos
if current_pos[1] == 0 or current_pos[1] == -1:
new_pos[1] = 1
else:
new_pos[1] = -1
self.images[self.attention].setPos(new_pos)
self.highlight.setPos(self.images[self.attention].pos)
for image in self.images.values():
image.draw()
# Highlight stimulus
if idx % 5 == 0:
if highlight_on:
highlight_on = False
else:
highlight_on = True
if highlight_on:
self.highlight.draw()
draw_eye_debug(gaze_debug, eyetracker, mouse)
self.win.flip()
idx += 1
# Get gaze position from eyetracker or mouse
gaze_position = (0, 0)
if eyetracker is not None:
gaze_position = eyetracker.getCurrentGazePosition()
gaze_position = (0.5 * (gaze_position[0] + gaze_position[2]),
0.5 * (gaze_position[1] + gaze_position[3]))
elif mouse is not None:
gaze_position = mouse.getPos()
# Check if looking at right stimulus
if fixation_within_tolerance(gaze_position, self.images[self.attention].pos,
self.images[self.attention].size[0] / 2.0+3, self.win):
if gaze_debug is not None:
gaze_debug.fillColor = (-1, -1, 1)
attending_frames += 1
if attending_frames == 1:
self.win.callOnFlip(self.add_event, ns, eyetracker, 'att1', 'attn stim', self.code_table)
else:
if gaze_debug is not None:
gaze_debug.fillColor = (1, -1, -1)
attending_frames = 0
buttons, times = mouse.getPressed(getTime=True)
if buttons[0]:
resp='l'
elif buttons[2]:
resp = 'r'
# Check user input
all_keys = event.getKeys()
if len(all_keys):
if all_keys[0].upper() in ['Q', 'ESCAPE'] or all_keys[0].upper() == 'P' or all_keys[0].upper() == 'E' or\
all_keys[0].upper() == 'G' or all_keys[0].upper() == 'D':
return all_keys[0].upper()
event.clearEvents()
if gaze_debug is not None:
gaze_debug.fillColor = (1, -1, -1)
if idx>=self.max_attending_frames and resp is None:
return ''
return None
def highlight_peripheral_stimulus_gaze(self, ns, eyetracker, mouse, gaze_debug):
# Set which stimulus to highlight
self.highlight.pos = self.images[self.attention].pos
# Show initial frame of video until highlighted stimulus if fixated on or abort
attending_frames = 0
highlight_on = False
idx = 0
self.win.callOnFlip(self.add_event, ns, eyetracker, 'ima2', 'attn start', self.code_table)
while attending_frames < self.min_attending_frames and idx < self.max_attending_frames:
# Draw init frame of movie and two stimuli
self.init_frame.draw()
current_pos = self.images[self.attention].pos
if idx % 5 == 0:
new_pos = current_pos
if current_pos[1] == 0 or current_pos[1] == -1:
new_pos[1] = 1
else:
new_pos[1] = -1
self.images[self.attention].setPos(new_pos)
self.highlight.setPos(self.images[self.attention].pos)
for image in self.images.values():
image.draw()
# Highlight stimulus
if idx % 5 == 0:
if highlight_on:
highlight_on = False
else:
highlight_on = True
if highlight_on:
self.highlight.draw()
draw_eye_debug(gaze_debug, eyetracker, mouse)
self.win.flip()
idx += 1
# Get gaze position from eyetracker or mouse
gaze_position = (0, 0)
if eyetracker is not None:
gaze_position = eyetracker.getCurrentGazePosition()
gaze_position = (0.5 * (gaze_position[0] + gaze_position[2]),
0.5 * (gaze_position[1] + gaze_position[3]))
elif mouse is not None:
gaze_position = mouse.getPos()
# Check if looking at right stimulus
if fixation_within_tolerance(gaze_position, self.images[self.attention].pos,
self.images[self.attention].size[0] / 2.0+3, self.win):
if gaze_debug is not None:
gaze_debug.fillColor = (-1, -1, 1)
attending_frames += 1
if attending_frames == 1:
self.win.callOnFlip(self.add_event, ns, eyetracker, 'att1', 'attn stim', self.code_table)
else:
if gaze_debug is not None:
gaze_debug.fillColor = (1, -1, -1)
attending_frames = 0
if gaze_debug is not None:
gaze_debug.fillColor = (1, -1, -1)
return attending_frames
