所以，我正在使用tkinter库编写一个蛇程序。该程序在全球范围内都可以使用，但是如果我给两个输入太快的话，我的输入处理确实会有点问题，只有最后一个会被解释。而且我真的不知道如何解决这个问题，我试图在每个玩家输入之后强制进行更新，但这显然不是一个好的解决方案，因为它迫使蛇移动并使其能够传送，所以如果有人有解决这个问题的想法。我确信我的代码可以进行改进，但现在我想重点关注第一个问题。
import tkinter as tk
import numpy.random as rd
class snake:
def __init__(self,n,m):
self.n = n
self.m = m
self.body = [(n//2,m//2),(n//2,m//2-1)]
self.lenght = 2
self.food = (0,0)
self.relocate_food()
self.Game = -2
self.vector = (0,1) #(0,-1) = up,(0,1) = right,1) = down,(-1,0) = left
self.speed = 120
def up(self):
self.vector = (-1,0)
def right(self):
self.vector = (0,1)
def down(self):
self.vector = (1,0)
def left(self):
self.vector = (0,-1)
def relocate_food(self):
x = rd.randint(0,self.n)
y = rd.randint(0,self.m)
i = 0
test = True
while i<self.lenght and test:
if (x,y) == self.body[i]:
test = False
self.relocate_food()
else:
i += 1
if i == self.lenght:
self.food = (x,y)
def collide(self):
head = self.body[0]
for i in range(1,self.lenght):
if head == self.body[i]:
self.Game = -1
break
x,y = head
if x>=self.n or y>=self.m or x<0 or y<0:
self.Game = -1
def eat(self):
head = self.body[0]
if head == self.food:
self.lenght +=1
x0,y0 = self.body[-1]
x1,y1 = self.body[-2]
x = x0 - x1
y = y0 - y1
self.body.append((x0+x,y0+y))
self.relocate_food()
if self.lenght%5 == 0:
self.speed = int(self.speed * 0.90)
def move(self):
dx,dy = self.vector
last_x,last_y = self.body[0]
new_x = last_x + dx
new_y = last_y + dy
self.body[0] = (new_x,new_y)
for k in range(1,self.lenght):
x,y = self.body[k]
self.body[k] = (last_x,last_y)
last_x,last_y = x,y
return
class screen(snake):
def __init__(self,root,m):
snake.__init__(self,m)
root.minsize(n*20,m*20)
root.maxsize(n*20,m*20)
root.configure(background='white')
self.root = root
self.n = n
self.m = m
self.speed = 130
self.canvas = tk.Canvas(root,width = n*20,height =m*20,bg='black')
self.canvas.bind_all("<Key-Up>",self.move_up)
self.canvas.bind_all("<Key-Down>",self.move_down)
self.canvas.bind_all("<Key-Left>",self.move_left)
self.canvas.bind_all("<Key-Right>",self.move_right)
self.canvas.grid(row=1,column=0)
self.draw_snake()
self.draw_food()
def draw_snake(self):
y,x = self.body[0]
self.canvas.create_rectangle(x*20,y*20,(x+1)*20,(y+1)*20,fill= 'red4')
for k in range(1,self.lenght):
y,x = self.body[k]
self.canvas.create_rectangle(x*20,fill= 'red')
def draw_food(self):
y,x =self.food
self.canvas.create_rectangle(x*20,fill= 'green')
def move_up(self,event):
if self.Game == -2:
self.Game =0
self.up()
self.update()
else:
self.up()
def move_down(self,event):
if self.Game == -2:
self.Game =0
self.down()
self.update()
else:
self.down()
def move_left(self,event):
if self.Game == -2:
self.Game =0
self.left()
self.update()
else:
self.left()
def move_right(self,event):
if self.Game == -2:
self.Game =0
self.right()
self.update()
else:
self.right()
def update(self):
if self.Game == -2:
return
self.move()
self.eat()
self.collide()
if self.Game == -1:
self.root.destroy()
return
self.canvas.delete("all")
self.draw_snake()
self.draw_food()
self.root.after(self.speed,self.update)
window = tk.Tk()
snake = screen(window,35,35)
snake.update()
window.mainloop()