def __init__(self, fn):
if E_Support:
self.subj_info = cw.getSubjectInfo()
cw.writeHistoryFile(fn, self.subj_info)
logging.LogInfo('subject', 'init', self.subj_info)
return
def main():
### pick random color ###
def pick_random_color(notthis="none"):
allavailable = [cnf.BLACK, cnf.WHITE, cnf.RED, cnf.GREEN,
cnf.BLUE, cnf.YELLOW, cnf.PURPLE]
# no color restriction
if notthis=="none":
color = random.sample(allavailable, 1)[0]
# there is a color restriction
else:
listofnowavailablecolors = []
for thecolor in allavailable:
if thecolor == notthis:
pass
else:
listofnowavailablecolors.append(thecolor)
color = random.sample(listofnowavailablecolors, 1)[0]
return color
### collision detection ###
def does_collide(pot_coord, restricted_coords):
padding = cnf.BLOCK_SIZE * cnf.WINDOW_WIDTH + 5
for item in restricted_coords:
if (item[0] - padding) <= pot_coord[0] <= (item[0] + padding):
if (item[1]-padding) <= pot_coord[1] <= (item[1] + padding):
return True
return False
### random coordinates for left ###
def random_coordinates_left():
real_block_size = cnf.BLOCK_SIZE * cnf.WINDOW_WIDTH
x_start = random.randrange(cnf.LEFT_MARGIN,
cnf.CENTRE_COORDINATE_X -
cnf.CENTRE_MARGIN - real_block_size)
y_start = random.randrange(cnf.TOP_MARGIN,
cnf.WINDOW_HEIGHT -
cnf.BOTTOM_MARGIN - real_block_size)
return x_start, y_start
### random coordinates for rightt ###
def random_coordinates_right():
real_block_size = cnf.BLOCK_SIZE * cnf.WINDOW_WIDTH
x_start = random.randrange(cnf.CENTRE_COORDINATE_X +
cnf.CENTRE_MARGIN,
cnf.WINDOW_WIDTH - cnf.RIGHT_MARGIN -
real_block_size)
y_start = random.randrange(cnf.TOP_MARGIN,
cnf.WINDOW_HEIGHT - cnf.BOTTOM_MARGIN -
real_block_size)
return x_start, y_start
### draw fixation cross ###
def draw_cross():
pygame.draw.line( screen, cnf.CROSS_COLOR,
(cnf.CENTRE_COORDINATE_X,
cnf.CENTRE_COORDINATE_Y - cnf.CROSS_WIDTH *
cnf.WINDOW_WIDTH),
(cnf.CENTRE_COORDINATE_X,
cnf.CENTRE_COORDINATE_Y +
cnf.CROSS_WIDTH * cnf.WINDOW_WIDTH),
cnf.LINE_WIDTH)
pygame.draw.line( screen, cnf.CROSS_COLOR,
(cnf.CENTRE_COORDINATE_X - cnf.CROSS_WIDTH *
cnf.WINDOW_WIDTH, cnf.CENTRE_COORDINATE_Y),
(cnf.CENTRE_COORDINATE_X + cnf.CROSS_WIDTH *
cnf.WINDOW_WIDTH, cnf.CENTRE_COORDINATE_Y),
cnf.LINE_WIDTH )
pygame.display.flip()
### draw arrows ###
def draw_arrow( direction ):
if direction == "left":
pygame.draw.polygon( screen, cnf.CROSS_COLOR,
[ (cnf.CENTRE_COORDINATE_X - 40,
cnf.CENTRE_COORDINATE_Y - 70),
(cnf.CENTRE_COORDINATE_X - 40 + 15,
cnf.CENTRE_COORDINATE_Y - 70 + 5),
(cnf.CENTRE_COORDINATE_X - 40 + 15,
cnf.CENTRE_COORDINATE_Y - 70 - 5)], 0)
pygame.draw.line( screen, cnf.CROSS_COLOR,
(cnf.CENTRE_COORDINATE_X - 40,
cnf.CENTRE_COORDINATE_Y - 70),
(cnf.CENTRE_COORDINATE_X + 40,
cnf.CENTRE_COORDINATE_Y - 70), 1)
if direction == "right":
pygame.draw.polygon(screen, cnf.CROSS_COLOR,
[ (cnf.CENTRE_COORDINATE_X + 40,
cnf.CENTRE_COORDINATE_Y - 70),
(cnf.CENTRE_COORDINATE_X + 40 - 15,
cnf.CENTRE_COORDINATE_Y - 70 + 5),
(cnf.CENTRE_COORDINATE_X + 40 - 15,
cnf.CENTRE_COORDINATE_Y - 70 - 5)], 0)
pygame.draw.line(screen, cnf.CROSS_COLOR,
(cnf.CENTRE_COORDINATE_X - 40,
cnf.CENTRE_COORDINATE_Y - 70),
(cnf.CENTRE_COORDINATE_X + 40,
cnf.CENTRE_COORDINATE_Y - 70), 1)
pygame.display.flip()
pygame.time.wait(cnf.ARROW_FLASH_TIME)
clear()
if not cnf.CROSS_DISAPPEARS_ON_ARROW:
draw_cross()
### draw blocks ###
def draw_blocks( direction, same_or_different_flag ):
ret_list = []
real_block_size = cnf.BLOCK_SIZE * cnf.WINDOW_WIDTH
blocksetleft = []
blocksetright = []
restricted_coords_left = []
restricted_coords_right = []
for position in range(cnf.NUMBER_OF_BLOCKS):
#blocksetleft
x_start, y_start = random_coordinates_left()
if does_collide((x_start,y_start), restricted_coords_left):
x_start, y_start = random_coordinates_left()
if does_collide((x_start,y_start), restricted_coords_left):
x_start, y_start = random_coordinates_left()
if does_collide((x_start,y_start), restricted_coords_left):
x_start, y_start = random_coordinates_left()
restricted_coords_left.append((x_start,y_start))
x_end = x_start + real_block_size
y_end = y_start + real_block_size
color = pick_random_color()
blocksetleft.append(([ (x_start,y_start), (x_start,y_end),
(x_end,y_end), (x_end,y_start) ], color))
#blocksetright
x_start, y_start = random_coordinates_right()
if does_collide((x_start,y_start), restricted_coords_right):
x_start, y_start = random_coordinates_right()
if does_collide((x_start,y_start), restricted_coords_right):
x_start, y_start = random_coordinates_right()
if does_collide((x_start,y_start), restricted_coords_right):
x_start, y_start = random_coordinates_right()
restricted_coords_right.append((x_start,y_start))
x_end = x_start + real_block_size
y_end = y_start + real_block_size
color = pick_random_color()
blocksetright.append(([ (x_start,y_start), (x_start,y_end),
(x_end,y_end), (x_end,y_start) ], color))
#draw the blocks for the first flash
for block, color in blocksetleft:
pygame.draw.polygon(screen, color, block, 0)
for block, color in blocksetright:
pygame.draw.polygon(screen, color, block, 0)
ret_list.append(blocksetleft)
ret_list.append(blocksetright)
pygame.display.flip()
pygame.time.wait(cnf.STIMULUS_FLASH_TIME1)
clear()
if not cnf.CROSS_DISAPPEARS_ON_ARROW:
draw_cross()
pygame.time.wait(cnf.WAIT4)
#if the test (2nd) array is supposed to be the same
if same_or_different_flag == "same":
ret_list.append("NA")
ret_list.append("NA")
ret_list.append("NA")
for block, color in blocksetleft:
pygame.draw.polygon(screen, color, block, 0)
for block, color in blocksetright:
pygame.draw.polygon(screen, color, block, 0)
#if the test (2nd) array is supposed to be different, carry on
if same_or_different_flag == "different":
change_index = random.randrange(0, cnf.NUMBER_OF_BLOCKS-1, 1)
ret_list.append(change_index)
index = 0
if direction == "left":
for block, color in blocksetleft:
if index == change_index:
newcolor = pick_random_color(color)
ret_list.append(color)
ret_list.append(newcolor)
pygame.draw.polygon(screen, newcolor, block, 0)
else:
pygame.draw.polygon(screen, color, block, 0)
index += 1
for block, color in blocksetright:
pygame.draw.polygon(screen, color, block, 0)
if direction == "right":
for block, color in blocksetleft:
pygame.draw.polygon(screen, color, block, 0)
for block, color in blocksetright:
if index == change_index:
newcolor = pick_random_color(color)
ret_list.append(color)
ret_list.append(newcolor)
pygame.draw.polygon(screen, newcolor, block, 0)
else:
pygame.draw.polygon(screen, color, block, 0)
index += 1
pygame.display.flip()
pygame.time.wait(cnf.STIMULUS_FLASH_TIME2)
clear()
if not cnf.CROSS_DISAPPEARS_ON_ARROW:
draw_cross()
return ret_list
#############################
### handle game events ###
def handle_events():
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit(0)
if event.type == pygame.KEYDOWN and event.key == pygame.K_ESCAPE:
sys.exit(0)
### clear the screen ###
def clear():
screen.fill(cnf.BACKGROUND)
pygame.display.update()
### ask subject if the blocks were the same, or different ###
def same_or_different():
font = pygame.font.Font(None, 70)
text = font.render("Same or different ('a' or 'l')", 1, cnf.BLACK)
screen.blit(text, (cnf.CENTRE_COORDINATE_X-300,
cnf.CENTRE_COORDINATE_Y-200))
pygame.display.update()
while True:
event = pygame.event.wait()
if event.type == pygame.KEYDOWN and event.key == pygame.K_a:
clear()
return "same"
elif event.type == pygame.KEYDOWN and event.key == pygame.K_l:
clear()
return "different"
elif event.type == pygame.QUIT:
sys.exit(0)
elif event.type == pygame.KEYDOWN and event.key == pygame.K_ESCAPE:
sys.exit(0)
# tell the subject to press SPACE to continue, before experiment starts #
def space_to_continue(message="Press SPACE to continue or ESCAPE to exit"):
font = pygame.font.Font(None, 70)
text = font.render(message, 1, cnf.BLACK)
screen.blit(text, (cnf.CENTRE_COORDINATE_X-500,
cnf.CENTRE_COORDINATE_Y-200))
pygame.display.update()
while True:
event = pygame.event.wait()
if event.type == pygame.KEYDOWN and event.key == pygame.K_SPACE:
clear()
return "space"
elif event.type == pygame.QUIT:
sys.exit( 0 )
elif event.type == pygame.KEYDOWN and event.key == pygame.K_ESCAPE:
sys.exit(0)
user_dict = pycogworks.getSubjectInfo()
pycogworks.writeHistoryFile(cnf.historyfilename, {"rin": user_dict["rin"]})
### pygame goings-on ###
pygame.init()
logfile = open(cnf.logfilename, "a")
headers = "trial_number,leftorright,sameordiff,"
headers += "subjanswer,correct?,trialtime,cumulative_time,"
headers += "leftblocks,rightblocks,blockchanged,oldcolor,newcolor\n"
logfile.write(headers)
if cnf.FULLSCREEN:
possible_sizes = pygame.display.list_modes(0, pygame.FULLSCREEN)
cnf.WINDOW_WIDTH = possible_sizes[0][0]
cnf.WINDOW_HEIGHT = possible_sizes[0][1]
screen = pygame.display.set_mode((cnf.WINDOW_WIDTH,cnf.WINDOW_HEIGHT),
pygame.FULLSCREEN)
else:
screen = pygame.display.set_mode((cnf.WINDOW_WIDTH, cnf.WINDOW_HEIGHT))
cnf.CENTRE_COORDINATE_X = cnf.WINDOW_WIDTH / 2
cnf.CENTRE_COORDINATE_Y = cnf.WINDOW_HEIGHT / 2
pygame.display.set_caption(cnf.WINDOW_CAPTION)
clock = pygame.time.Clock()
screen.fill(cnf.BACKGROUND)
pygame.mouse.set_visible(False)
space_to_continue()
start_time = time.time()
previous_time = start_time
trial_number = 0
### MainLoop ###
while True:
if trial_number >= cnf.NUM_OF_TRIALS:
space_to_continue("Thank you for your participation!")
handle_events()
s_or_d = random.sample(("same", "different"), 1)[0]
l_or_r = random.sample(("left", "right"), 1)[0]
draw_cross()
pygame.time.wait(cnf.WAIT1)
draw_cross()
pygame.time.wait(cnf.WAIT2)
draw_arrow(l_or_r)
pygame.time.wait(cnf.WAIT3)
draw_info = draw_blocks(l_or_r, s_or_d)
pygame.time.wait(cnf.WAIT5)
trial_number += 1
answer = same_or_different()
cumulative_time = pycogworks.get_time() - start_time
if trial_number == 1:
this_trial_time = cumulative_time
else:
this_trial_time = cumulative_time - previous_time
previous_time = cumulative_time
if answer == s_or_d:
isCorrect = "Correct"
else:
isCorrect = "Incorrect"
logline = ",".join([ str(trial_number), l_or_r, s_or_d, str(answer),
isCorrect, str(this_trial_time),
str(cumulative_time),
str(draw_info[0]).replace(",", ":"),
str(draw_info[1]).replace(",", ":"),
str(draw_info[2]),
str(draw_info[3]).replace(",", ":"),
str(draw_info[4]).replace(",", ":")])
logline += "\n"
logfile.write(logline)
pygame.display.flip()
logfile.close()
pygame.quit()
