1.在休息时间段，个体都有一定概率去卫生间，若达到概率，个体状态将记为

1. During the rest period, the individual has a certain probability to go to the bathroom. If the probability is reached, the individual state will be recorded as being in the bathroom, and the time that the individual goes to the bathroom is recorded. The time for the individual to go to the bathroom obeys the gamma distribution, which is about 3 minutes. <br>2. When the individual reaches the time to go to the bathroom, the individual continues to walk randomly from the bathroom exit (a certain coordinate range).

1. During the rest period, individuals have a certain probability to go to the bathroom. If the probability is reached, the individual status will be recorded as in the bathroom, and the individual time to the bathroom will be recorded. The individual time to the bathroom follows the gamma distribution, about 3 minutes.<br>2. When the individual reaches the toilet time, the individual continues to walk randomly from the toilet exit (a certain coordinate range).

1. During the rest period, individuals have a certain probability of going to the bathroom. If the probability is reached, the individual status will be recorded as being in the bathroom, and the time of going to the bathroom will be recorded. The time of going to the bathroom obeys the gamma distribution, which is about 3 minutes. 2. When the individual reaches the toilet time, the individual continues to walk randomly from the toilet exit (a certain coordinate range).