python pygame实现挡板弹球游戏

学了一天pygame，用python和pygame写一个简单的挡板弹球游戏

GitHub：

EasyBaffleBallGame

# -*- coding:utf-8 -*-

from sys import exit

import pygame
from pygame.locals import *

pygame.init()

# 创建窗口
ScreenWidth = 500
ScreenHright = 720
ScreenSize = (ScreenWidth, ScreenHright)
Screen = pygame.display.set_mode(ScreenSize, 0, 32)
pygame.display.set_caption("Ly's Easy Ball Game")
# 背景音乐
pygame.mixer.music.load('Sugar.mp3')
pygame.mixer.music.play(-1, 0.0)
# 碰撞音效
CollisionMusic = pygame.mixer.Sound('collision.wav')
# 重新开始按钮音效
ButtonMusic = pygame.mixer.Sound('button.wav')
# 游戏结束音效
GameOverMusic = pygame.mixer.Sound('over.wav')

def GameStart():
 # 游戏背景Surface对象
 Background = pygame.image.load('GameBackground.jpg').convert()
 # 挡板Surface对象
 Baffle = pygame.image.load('Baffle.png').convert_alpha()
 # 球Surface对象
 Ball = pygame.image.load('Ball.png').convert_alpha()
 # 挡板位置信息
 BaffleX = 140
 BaffleY = 600
 BaffleSpeed = 1000
 BaffleXSpeed = BaffleSpeed
 BaffleYSpeed = BaffleSpeed
 BaffleMove = {K_LEFT: 0, K_RIGHT: 0, K_UP: 0, K_DOWN: 0}
 # 球位置信息
 BallX = 235
 BallY = 0
 BallSpeed = 1000.
 BallXSpeed = BallSpeed
 BallYSpeed = BallSpeed

# 帧率控制Clock对象
 FPSClock = pygame.time.Clock()
 # 时间显示Clock对象
 ProgramRunClock = pygame.time.get_ticks()
 # 时间显示Font对象
 RunTimeFont = pygame.font.Font('Jura-DemiBold.ttf', 24)

# 游戏结果
 GameResult = ''

while True:
   # 接收信息处理
   for event in pygame.event.get():
     if event.type == QUIT:
       exit()
     if event.type == KEYDOWN:
       if event.key in BaffleMove:
         BaffleMove[event.key] = 1
     elif event.type == KEYUP:
       if event.key in BaffleMove:
         BaffleMove[event.key] = 0

# 绘制背景
   Screen.blit(Background, (0, 0))

RunTimeStr = str((pygame.time.get_ticks() - ProgramRunClock) / 1000.0)
   # print(RunTimeStr)
   # 使用render方法显示时间字体
   RunTimeSurface = RunTimeFont.render(RunTimeStr, True, (255, 52, 179))
   # 显示时间
   Screen.blit(RunTimeSurface, (0, 0))

# 距上次调用clock对象时间
   SecondTimePassed = FPSClock.tick(60) / 1000.0

# 绘制球
   Screen.blit(Ball, (BallX, BallY))

BallX += BallXSpeed * SecondTimePassed
   BallY += BallYSpeed * SecondTimePassed

# 判断球边界条件
   if BallX > 500 - Ball.get_width():
     BallXSpeed = -BallXSpeed
     BallX = 500 - Ball.get_width()
   elif BallX < 0:
     BallXSpeed = -BallXSpeed
     BallX = 0
   if BallY > 720 - Ball.get_width():
     BallYSpeed = -BallYSpeed
     BallY = 720 - Ball.get_width()
   elif BallY < 0:
     BallYSpeed = -BallYSpeed
     BallY = 0

# 定位挡板移动后坐标
   BaffleX -= BaffleMove[K_LEFT] * BaffleXSpeed * SecondTimePassed
   BaffleX += BaffleMove[K_RIGHT] * BaffleXSpeed * SecondTimePassed
   BaffleY -= BaffleMove[K_UP] * BaffleYSpeed * SecondTimePassed
   BaffleY += BaffleMove[K_DOWN] * BaffleYSpeed * SecondTimePassed

# 判断挡板边界条件
   if BaffleX > 500 - Baffle.get_width():
     BaffleX = 500 - Baffle.get_width()
   elif BaffleX < 0:
     BaffleX = 0
   if BaffleY > 720 - 45 - Baffle.get_height():
     BaffleY = 720 - 45 - Baffle.get_height()
   elif BaffleY < 720 - Baffle.get_height() * 3:
     BaffleY = 720 - Baffle.get_height() * 3
   # 绘制挡板
   Screen.blit(Baffle, (BaffleX, BaffleY))

# 判断球碰撞挡板条件
   # 挡板左上角
   if BallX == BaffleX - Ball.get_width() and BallY == BaffleY - Ball.get_height():
     BallXSpeed = -BallXSpeed
     BallYSpeed = -BallYSpeed
     CollisionMusic.play()
   # 挡板左下角
   elif BallX == BaffleX - Ball.get_width() and BallY == BaffleY + Baffle.get_height():
     BallXSpeed = -BallXSpeed
     BallYSpeed = -BallYSpeed
     CollisionMusic.play()
   # 挡板右上角
   elif BallX == BaffleX + Baffle.get_width() and BallY == BaffleY - Ball.get_height():
     BallXSpeed = -BallXSpeed
     BallYSpeed = -BallYSpeed
     CollisionMusic.play()
   # 挡板右下角
   elif BallX == BaffleX + Baffle.get_width() and BallY == BaffleY + Baffle.get_height():
     BallXSpeed = -BallXSpeed
     BallYSpeed = -BallYSpeed
     CollisionMusic.play()
   # 挡板上表面
   elif BallX > BaffleX and BallX < BaffleX + Baffle.get_width() and BallY > BaffleY - Ball.get_height() and BallY < BaffleY:
     BallYSpeed = -BallYSpeed
     BallY = BaffleY - Ball.get_height()
     CollisionMusic.play()
   # 挡板下表面
   elif BallX > BaffleX and BallX < BaffleX + Baffle.get_width() and BallY < BaffleY + Baffle.get_height() and BallY > BaffleY:
     BallYSpeed = -BallYSpeed
     BallY = BaffleY + Baffle.get_height()
     CollisionMusic.play()
   # 挡板左侧面
   elif BallY > BaffleY and BallY < BaffleY + Baffle.get_height() and BallX > BaffleX - Ball.get_width() and BallX < BaffleX:
     BallXSpeed = -BallXSpeed
     BallX = BaffleX
     CollisionMusic.play()
   # 挡板右侧面
   elif BallY > BaffleY and BallY < BaffleY + Baffle.get_height() and BallX > BaffleX + Baffle.get_width() - Ball.get_width() and BallX < BaffleX + Baffle.get_width():
     BallXSpeed = -BallXSpeed
     BallX = BaffleX + Baffle.get_width()
     CollisionMusic.play()

if BallY > 720 - 45:
     GameResult = RunTimeStr
     GameOverMusic.play()
     return GameResult

# 刷新显示
   pygame.display.update()

def GameResult(GameResult):
 # 游戏结果背景Surface对象
 GameResultBackground = pygame.image.load('GameResultBackground.png').convert()
 # 游戏结果引导
 ResultHint = pygame.image.load('ResultFont.png').convert_alpha()
 # 游戏结果Font对象
 GameResultFont = pygame.font.Font('EuroBold.ttf', 100)
 # 重新开始按钮
 ReStartButton = pygame.image.load('ReStartButton.png').convert_alpha()
 # 重新开始Hover按钮
 ReStartButtonHover = pygame.image.load('ReStartButtonHover.png').convert_alpha()

while True:
   for event in pygame.event.get():
     if event.type == QUIT:
       exit()
     if event.type == pygame.MOUSEBUTTONDOWN and 150 <= event.pos[
       0] <= 150 + ReStartButton.get_width() and 450 <= event.pos[1] <= 450 + ReStartButton.get_height():
       ButtonMusic.play()
       return True
   # 游戏结果背景
   Screen.blit(GameResultBackground, (0, 0))
   # 游戏结果引导
   Screen.blit(ResultHint, (45, 200))
   RunTimeSurface = GameResultFont.render(GameResult, True, (255, 69, 0))
   Screen.blit(RunTimeSurface, (90, 270))
   # 重新开始游戏按钮
   MouseX, MouseY = pygame.mouse.get_pos()
   if 150 <= MouseX <= 150 + ReStartButton.get_width() and 450 <= MouseY <= 450 + ReStartButton.get_height():
     Screen.blit(ReStartButtonHover, (150, 450))
   else:
     Screen.blit(ReStartButton, (150, 450))
   # 游戏结果
   pygame.display.update()

if __name__ == '__main__':
 flag = True
 while flag:
   GameResultStr = GameStart()
   if GameResultStr != '':
     flag = GameResult(GameResultStr)

运行结果：

来源：https://blog.csdn.net/Tony5t4rk/article/details/80740492