from psychopy import visual, core, event

# Define the background

win=visual.Window([800,600],monitor="testMonitor",units="deg",fullscr=True)

# Number of epochs (repetitions)

EPOCH=15

# Duration of expansion

EXPANSION_MS=250

# Hold duration

HOLD_TIME_MS=250

# ISI duration

ISI_MS=500

# Start radius

START_RADIUS=1

# Time-to-frame conversion assuming a 60Hz FR and RR

FRAMES=int((60*EXPANSION_MS)/1000)

HOLD_FRAMES=int((60*HOLD_TIME_MS)/1000)

ISI_FRAMES=int((60*ISI_MS)/1000)

print(FRAMES)

# Define the stimulus

circle=visual.Circle(win,radius=START_RADIUS,edges=1000,fillColor='black',lineColor='black')

while EPOCH > 0:

#for e in range(EPOCH):

for f in range(FRAMES):

if circle.radius<10:

circle.radius=(circle.radius+(9/FRAMES))

circle.draw()

win.flip()

for f in range(HOLD_FRAMES):

circle.radius=10

circle.draw()

win.flip()

for f in range(ISI_FRAMES):

win.flip()

print(circle.radius)

circle.radius=1

EPOCH -= 1

# Get keys to quit.

if len(event.getKeys())>0:

event.clearEvents()

win.close()

'''

# For recording dropped frames

win.recordFrameIntervals=True

# By default, the threshold is set to 120% of the estimated refresh

# duration, but arbitrary values can be set.

#

# I've got 85Hz monitor and want to allow 4 ms tolerance; any refresh that

# takes longer than the specified period will be considered a "dropped"

# frame and increase the count of win.nDroppedFrames.

win.refreshThreshold = 1/85 + 0.004

# Set the log module to report warnings to the standard output window

# (default is errors only).

logging.console.setLevel(logging.WARNING)

print('Overall, %i frames were dropped.' % win.nDroppedFrames)

'''