File:Conways game of life breeder animation.gif

a=file('000001.bmp','rb+')
head=a.read(54);mat=[];wid=379;hei=192
for l in range(wid): mat.append([False]*hei)
for y in range(hei):
 for x in range(wid):
  mat[x][y]=(a.read(3)==chr(0)*3)
 useless=a.read(wid%4)
def num(x,y):
 options=[]
 options.append(mat[(x+1)%wid][(y  )%hei])
 options.append(mat[(x+1)%wid][(y+1)%hei])
 options.append(mat[(x  )%wid][(y+1)%hei])
 options.append(mat[(x-1)%wid][(y+1)%hei])
 options.append(mat[(x-1)%wid][(y  )%hei])
 options.append(mat[(x-1)%wid][(y-1)%hei])
 options.append(mat[(x  )%wid][(y-1)%hei])
 options.append(mat[(x+1)%wid][(y-1)%hei])
 return options.count(True)
def newgen():
 newmat=[]
 for l in range(wid): newmat.append([False]*hei)
 for y in range(hei):
  for x in range(wid):
   numnum=num(x,y)
   if not mat[x][y] and numnum==3: newmat[x][y]=True
   elif mat[x][y] and (numnum==2 or numnum==3): newmat[x][y]=True
 return newmat

for l in range(2,499):
 b=file(str(l).zfill(6)+'.bmp','wb+')
 b.write(head);mat=newgen()
 for y in range(hei):
  for x in range(wid):
   b.write(chr(255-255*int(mat[x][y]))*3)
  b.write(chr(0)*(wid%4))
 print chr(8)*30+str(l).zfill(6)+'.bmp finished.',