python模拟布朗运动_python开发之thread实现布朗运动的⽅
法
本⽂实例讲述了python开发之thread实现布朗运动的⽅法。分享给⼤家供⼤家参考,具体如下:
这⾥我将给⼤家介绍有关python中thread来实现布朗运动的⼀个例⼦
下⾯是运⾏效果:
代码部分:
# Brownian motion -- an example of a multi-threaded Tkinter program.
from tkinter import *
import random
import threading
import time
import sys
#画布⼤⼩
WIDTH = 400
HEIGHT = 300
SIGMA = 10
BUZZ = 2
RADIUS = 2
LAMBDA = 10
FILL = 'red'
stop = 0 # Set when main loop exits
def particle(canvas):
r = RADIUS
x = random.gauss(WIDTH/2.0, SIGMA)
y = random.gauss(HEIGHT/2.0, SIGMA)
p = ate_oval(x-r, y-r, x+r, y+r, fill=FILL)
while not stop:
dx = random.gauss(0, BUZZ)
dy = random.gauss(0, BUZZ)
dt = povariate(LAMBDA)
try:
except TclError:
break
time.sleep(dt)
def main():
global stop
root = Tk()
canvas = Canvas(root, width=WIDTH, height=HEIGHT) canvas.pack(fill='both', expand=1)
#粒⼦数⽬
np = 30
if sys.argv[1:]:
np = int(sys.argv[1])
for i in range(np):
t = threading.Thread(target=particle, args=(canvas,)) t.start()
try:
root.mainloop()random python
finally:
stop = 1
main()
希望本⽂所述对⼤家Python程序设计有所帮助。
本⽂标题: python开发之thread实现布朗运动的⽅法
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