所以我正在制作一个基本的弹球游戏。我试图让它每 10 秒就有一个项目从屏幕上掉下来。我通过time_score每秒上升一次来做到这一点。在第 34 行，它应该每十秒激活一次。但只是在开始时才这样做。为什么它不是每 10 秒执行一次？
`from tkinter import *
import random
import time
import pickle
tk = Tk()
tk.title("Game")
tk.resizable(0,0)
tk.wm_attributes("-topmost", 1)
canvas = Canvas (tk, width=1500,height=700, bd=0, highlightthickness=0)
canvas.pack()
game_over = canvas.create_text(750,350, text='GAME OVER', font=('Helvetica', 100,), fill='red')
canvas.itemconfig(game_over, state='hidden')
time_score=0
tk.update()
speeder = 0
ClickTS = canvas.create_text(750,350, text='CLICK TO START', font=('Helvetica', 70,), fill='blue')
load_file = open('C:\\Users\\hatchfamily\\Desktop\\Python\\Saved Functions\\Saves\\save.dat','rb')
high_score = round(pickle.load(load_file))
load_file.close()
paddle_add=150
class Item:
def __init__(self,canvas,paddle):
self.canvas=canvas
self.paddle = paddle
self.id= canvas.create_polygon(10,0,20,20,0,20, outline='black', fill='cyan')
self.canvas.move(self.id, random.randint(100,1300), -22)
self.y = 2
pos = self.canvas.coords(self.id)
def draw(self):
pos = self.canvas.coords(self.id)
self.canvas.move(self.id, 0, self.y)
if (time_score) % 10 == 0:
print('pie')
canvas.itemconfig(item.id, state='normal')
self.canvas.move(self.id, random.randint(100,1300), -22)
def hit_paddle(self, pos):
paddle_pos = self.canvas.coords(self.paddle.id)
pos = self.canvas.coords(self.id)
if pos[4] >= paddle_pos[0] and pos[2]<= paddle_pos[2]:
if pos[3] == ((paddle_pos[1]+1) or (paddle_pos[1]-1)) and pos[3] <= paddle_pos[3]:
return True
return False
def re_create(self):
if round(time_score) % 10 == 0:
print('lobster')
canvas.itemconfig(item.id, state='normal')
self.canvas.move(self.id, random.randint(100,1300), -22)
class Ball:
def __init__(self, canvas, paddle, color):
self.canvas = canvas
self.paddle = paddle
self.id = canvas.create_oval(10, 10, 25, 25, fill=color, outline = "")
self.canvas.move(self.id, random.randint(0,1500), random.randint(0,150))
starts = [-3, 3]
startsb = [-3, 3]
random.shuffle(starts)
random.shuffle(startsb)
self.x = starts[0]
self.y = startsb[0]
self.canvas_height = self.canvas.winfo_height()
self.canvas_width = self.canvas.winfo_width()
self.hit_bottom = False
def draw(self):
self.canvas.move(self.id, self.x, self.y)
pos = self.canvas.coords(self.id)
if pos[1] <= 0:
self.y = 3+speeder
if self.hit_paddle(pos) == True:
self.y = -3-speeder
if pos[3] >= self.canvas_height:
self.hit_bottom = True
if pos[0] <= 0:
self.x = 3+speeder
if pos[2] >= self.canvas_width:
self.x = -3-speeder
def hit_paddle(self, pos):
paddle_pos = self.canvas.coords(self.paddle.id)
if pos[2] >= paddle_pos[0] and pos[0]<= paddle_pos[2]:
if pos[3] >= paddle_pos[1] and pos[3] <= paddle_pos[3]:
return True
return False
class Paddle:
def __init__(self, canvas, color):
self.canvas = canvas
self.id = canvas.create_rectangle(0,0,130,15, fill=color)
self.canvas.move(self.id, 750, 625)
self.x = 0
self.started = False
self.canvas_width = self.canvas.winfo_width()
self.canvas.bind_all('<KeyPress-a>', self.turn_left)
self.canvas.bind_all('<KeyPress-Left>', self.turn_left)
self.canvas.bind_all('<KeyPress-Right>', self.turn_right)
self.canvas.bind_all('<KeyPress-d>', self.turn_right)
self.canvas.bind_all('<Button-1>', self.start_game)
def turn_left(self, evt):
pos = self.canvas.coords(self.id)
if pos[0] <= 0:
self.x = 0
else: self.x = -4-speeder
def turn_right(self, evt):
pos = self.canvas.coords(self.id)
if pos [2] >= self.canvas_width:
self.x= 0
else: self.x = 4+speeder
def start_game(self, evt):
self.started= True
def grow(self):
pos = self.canvas.coords(self.id)
global paddle_add
paddle_add = paddle_add + 10
self.canvas.coords(self.id, pos[0]-paddle_add,pos[1],pos[2]+paddle_add,pos[3])
def draw(self):
self.canvas.move(self.id, self.x, 0)
pos = self.canvas.coords(self.id)
if pos[0] <= 0:
self.x = 0
elif pos [2] >= self.canvas_width:
self.x= 0
if item.hit_paddle(pos) == True:
canvas.itemconfig(item.id, state='hidden')
self.grow()
paddle = Paddle(canvas, 'black')
ball = Ball(canvas, paddle, 'red')
item = Item(canvas, paddle)
while 1:
if ball.hit_bottom == False and paddle.started == True:
canvas.itemconfig(ClickTS, state='hidden')
ball.draw()
paddle.draw()
item.draw()
speeder = speeder + .001
time_score = time_score + .01
if ball.hit_bottom == True:
time.sleep(1)
canvas.itemconfig(game_over, state='normal')
canvas.itemconfig(ball.id, state='hidden')
canvas.itemconfig(paddle.id, state='hidden')
canvas.create_text(750,500, text='Time: %s' % round(time_score), font=('Helvetica', 60,), fill='black')
canvas.create_text(750,600, text='High Score: %s' % high_score, font=('Helvetica', 50,), fill='black')
if time_score > high_score:
high_score = time_score
canvas.create_text(750,100, text='NEW HIGH SCORE', font=('Ariel', 60), fill='cyan')
save_file = open('C:\\Users\\hatchfamily\\Desktop\\Python\\Saved Functions\\Saves\\save.dat','wb')
pickle.dump(high_score, save_file)
save_file.close()
break
tk.update_idletasks()
tk.update()
time.sleep(0.01)
`