我刚开始学习Python,所以我们必须做这个家庭作业,用matplotlib编写一个程序来运行康威的人生游戏。教授已经完成了我的注释和代码。所以我写了它,我不知道为什么它没有运行动画。我做错了什么?谢谢你们!!!因为程序中的注释很长。在
# life.py - Once complete, this program will play the game of
# life.
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.animation as animation
# The update function is needed for the animation
# to work properly. It has four parameters:
# frameNum - this is handled by the animation, don't change this.
# img - the plot that is passed and changed, don't change this.
# world - the two-D array that represents the world for the
# game of life. This will be updated to the next gen.
# N - the size of the world (which is square).
def update( frameNum, img, world, N ) :
newWorld = world.copy( )
## TODO - Write code here to update the cells in newWorld
## for the next generation of life. Remember to
## use the toroidal model. Rather than making
## special cases for row/column 0 and N-1, just
## use the % operator.
for i in range (N):
for j in range (N):
total= (world[(i-1)%N][(j-1)%N]+world[(i-1)%N][j]+world[(i-1)%N][(j+1)%N]+
world[i][(j-1)%N]+world[i][(j+1)%N]+ world[(i+1)%N][(j-1)%N]+
world[(i+1)%N][j]+ world[(i+1)%N][(j+1)%N])/255
if world[i][j]== 255:
if total>3 or total<2:
newWorld[i][j]== 0
elif total==3:
newWorld[i][j]== 255
img.set_data( newWorld )
world[:] = newWorld[:]
return img
N = 50
SPEED = 100
PROB_LIFE = 40
## TODO - Write code here to create the initial population
## of the world. I recommend creating an N x N array that
## is initially filled with random numbers from 0 to 99.
## Then use the PROB_LIFE to change the entries to be
## either alive (255) or dead (0).
world= np.random.choice([0,255], N*N, p=[1-((PROB_LIFE)/100),(PROB_LIFE)/100]).reshape(N,N)
fig, ax = plt.subplots( )
img = ax.imshow( world, interpolation='nearest' )
ani = animation.FuncAnimation( fig, update, fargs = ( img, world, N ),
frames = 10, interval = SPEED,
save_count = 50 )
plt.show( )
# This is the end of the program. You should not need
# anything after this point.
必须使用
=
而不是==
在中分配新值现在你将看到动画。在
但是你也有错误的
^{pr2}$elif
-错误的缩进-正确或者更具可读性
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