from Psychopy4Lab import gratingCorridor as lab task_sequence=[ (45,),(5,1.4), (75,),(5,1.4), (45,),(5,1.4), (35,),(5,1.4), (55,),(5,1.4) ] if __name__ == '__main__': lab.gratingFourWindows(task_sequence) #default value of defaultVel is 0.1, which means 20 cm per sec in reality.
#(2,30,30),(1.5,60,30),(1.5,30,30),(2,60,30),(2,30,30),(2,30,)]
def vel_function(raw_vel, time_tag):
global fartlek_seq
#debug_counter = 1
time_set = 0
for seq_item in fartlek_seq:
try:
current_seq_time = seq_item[2]
except IndexError:
current_seq_time = 9999
time_set += current_seq_time
if time_tag < time_set:
new_vel = raw_vel*seq_item[0]**math.sin(2*math.pi/seq_item[1]*(time_tag+current_seq_time-time_set))
#
#equation:
#v(t) = v_0 * A^{sin(2*pi/T*t)}
#
#print debug_counter
return new_vel
else:
#debug_counter += 1
continue
if __name__ == '__main__':
lab.gratingFourWindows(task_sequence,vel_func=vel_function)
#default value of defaultVel is 0.1, which means 20 cm per sec in reality.
