问题描述
我是python的菜鸟，我正在尝试重新创建Pong游戏，并且我正尝试尽可能自己做。
这些是我当前在代码中遇到的问题：
- 我基本上编码了球在边缘反弹时可能发生的一切运动。我花了数小时进行处理，然后才开始工作，我只是想知道是否有一种更有效的方法来用我的代码生成类似的输出（因为我知道这应该是一个初学者项目）？
- 每次球反弹越过边缘时，得分都会增加一秒钟，每次球重生时得分都回到0。
- 如何使球随机产生？在每个回合的开始（和重新开始）？
这是我的程序类和主要功能代码：
import pygame
import random
from rect_button import Button
pygame.init()
WIDTH = 800
HEIGHT = 500
window = pygame.display.set_mode((WIDTH,HEIGHT))
TITLE = "Pong"
pygame.display.set_caption(TITLE)
# COLORS
black = (0,0)
white = (255,255,255)
red = (255,0)
green = (0,0)
# FONTS
small_font = pygame.font.SysFont("courier",20)
large_font = pygame.font.SysFont("courier",60,True)
class Paddle:
def __init__(self,x,y,width,height,vel,color):
self.x = x
self.y = y
self.width = width
self.height = height
self.vel = vel
self.color = color
def draw(self,window):
pygame.draw.rect(window,self.color,(self.x,self.y,self.width,self.height),0)
class Ball:
def __init__(self,side,color):
self.x = x
self.y = y
self.side = side
self.vel = vel
self.color = color
self.lower_right = False
self.lower_left = True
self.upper_right = False
self.upper_left = False
self.ball_bag = []
self.last_movement = 'ball.lower_right'
def draw(self,self.side,self.side),0)
def move_lower_right(self):
self.x += self.vel
self.y += self.vel
def move_upper_right(self):
self.x += self.vel
self.y -= self.vel
def move_upper_left(self):
self.x -= self.vel
self.y -= self.vel
def move_lower_left(self):
self.x -= self.vel
self.y += self.vel
def start(self):
self.lower_right = True
self.lower_left = False
self.upper_right = False
self.upper_left = False
self.last_movement = 'ball.lower_left'
# return random.choice([self.lower_right,self.lower_left,self.upper_left,self.upper_right]) is True
def main():
run = True
fps = 60
clock = pygame.time.Clock()
# Initializing Paddles
left_paddle = Paddle(20,100,10,50,5,white)
right_paddle = Paddle(770,350,white)
balls = []
def redraw_window():
window.fill(black)
left_paddle.draw(window)
right_paddle.draw(window)
for ball in balls:
ball.draw(window)
player_A_text = small_font.render("Player A: " + str(score_A),1,white)
player_B_text = small_font.render("Player B: " + str(score_B),white)
window.blit(player_A_text,(320 - int(player_A_text.get_width() / 2),10))
window.blit(player_B_text,(480 - int(player_B_text.get_width() / 2),10))
pygame.draw.rect(window,white,(20,450,760,1),0)
pygame.draw.rect(window,49,(19,400),(780,0)
pygame.display.update()
while run:
score_A = 0
score_B = 0
clock.tick(fps)
if len(balls) == 0:
ball = Ball(random.randrange(320,465),random.randrange(200,285),15,3,white)
balls.append(ball)
if ball.lower_left:
ball.move_lower_left()
if ball.last_movement == 'ball.lower_right':
if ball.y + ball.side > HEIGHT - 50:
ball.lower_left = False
ball.last_movement = 'ball.lower_left'
ball.upper_left = True
if ball.last_movement == 'ball.upper_left':
if ball.x < 30:
if left_paddle.x < ball.x < left_paddle.x + left_paddle.width:
if left_paddle.y < ball.y + ball.side < left_paddle.y + left_paddle.height:
ball.lower_left = False
ball.last_movement = 'ball.lower_left'
ball.lower_right = True
else:
score_B += 1
balls.remove(ball)
#ball.start()
if ball.y + ball.side > HEIGHT - 50:
ball.lower_left = False
ball.last_movement = 'ball.lower_left'
ball.upper_left = True
if ball.upper_left:
ball.move_upper_left()
if ball.last_movement == 'ball.lower_left':
if ball.x < 30:
if left_paddle.x < ball.x < left_paddle.x + left_paddle.width:
if left_paddle.y < ball.y + ball.side < left_paddle.y + left_paddle.height:
ball.upper_left = False
ball.last_movement = 'ball.upper_left'
ball.upper_right = True
else:
score_B += 1
balls.remove(ball)
#ball.start()
if ball.y < 50:
ball.upper_left = False
ball.last_movement = 'ball.upper_left'
ball.lower_left = True
if ball.last_movement == 'ball.upper_right':
if ball.y < 50:
ball.upper_left = False
ball.last_movement = 'ball.upper_left'
ball.lower_left = True
if ball.upper_right:
ball.move_upper_right()
if ball.last_movement == 'ball.upper_left':
if ball.y < 50:
ball.upper_right = False
ball.last_movement = 'ball.upper_right'
ball.lower_right = True
if ball.last_movement == 'ball.lower_right':
if ball.x + ball.side > WIDTH - 30:
if right_paddle.x + right_paddle.width > ball.x + ball.side > right_paddle.x:
if right_paddle.y < ball.y + ball.side < right_paddle.y + right_paddle.height:
ball.upper_right = False
ball.last_movement = 'ball.upper_right'
ball.upper_left = True
else:
score_A += 1
balls.remove(ball)
#ball.start()
if ball.y < 50:
ball.upper_right = False
ball.last_movement = 'ball.upper_right'
ball.lower_right = True
if ball.lower_right:
ball.move_lower_right()
if ball.last_movement == 'ball.upper_right':
if ball.y + ball.side > HEIGHT - 50:
ball.lower_right = False
ball.last_movement = 'ball.lower_right'
ball.upper_right = True
if ball.x + ball.side > WIDTH - 30:
if right_paddle.x + right_paddle.width > ball.x + ball.side > right_paddle.x:
if right_paddle.y < ball.y + ball.side < right_paddle.y + right_paddle.height:
ball.lower_right = False
ball.last_movement = 'ball.lower_right'
ball.lower_left = True
else:
score_A += 1
balls.remove(ball)
#ball.start()
if ball.last_movement == 'ball.lower_left':
if ball.y + ball.side > HEIGHT - 50:
ball.lower_right = False
ball.last_movement = 'ball.lower_right'
ball.upper_right = True
for event in pygame.event.get():
if event.type == pygame.QUIT:
run = False
quit()
keys = pygame.key.get_pressed()
if keys[pygame.K_UP] and right_paddle.y > 50:
right_paddle.y -= right_paddle.vel
if keys[pygame.K_w] and left_paddle.y > 50:
left_paddle.y -= left_paddle.vel
if keys[pygame.K_DOWN] and right_paddle.y + right_paddle.height < HEIGHT - 50:
right_paddle.y += right_paddle.vel
if keys[pygame.K_s] and left_paddle.y + left_paddle.height < HEIGHT - 50:
left_paddle.y += left_paddle.vel
if keys[pygame.K_SPACE]:
pass
redraw_window()
quit()
def main_menu():
run = True
play_button = Button(green,150,75,"Play Pong")
quit_button = Button(red,550,"Quit")
pong_text = large_font.render("Let's Play Pong!!!",black)
while run:
window.fill(white)
play_button.draw(window,black)
quit_button.draw(window,black)
window.blit(pong_text,(int(WIDTH / 2 - pong_text.get_width() / 2),100))
pygame.display.update()
for event in pygame.event.get():
if event.type == pygame.QUIT:
run = False
quit()
if event.type == pygame.MOUSEMOTION:
if play_button.hover(pygame.mouse.get_pos()):
play_button.color = (0,200,0)
else:
play_button.color = green
if quit_button.hover(pygame.mouse.get_pos()):
quit_button.color = (200,0)
else:
quit_button.color = red
if event.type == pygame.MOUSEBUTTONDOWN:
if play_button.hover(pygame.mouse.get_pos()):
main()
if quit_button.hover(pygame.mouse.get_pos()):
run = False
quit()
main_menu()
谢谢！
解决方法
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