python实现简单flappy bird

本文实例为大家分享了python实现flappy bird的简单代码，供大家参考，具体内容如下

import pygame
from pygame.locals import *
from sys import exit
import random

# 屏幕宽度
SCREENWIDTH = 288
# 屏幕高度
SCREENHEIGHT = 512
IMAGES = {}
# 背景图片地址
BACKGROUND_PATH = 'back_ground.png'
PIPE_PATH = 'pipe.png'
BASE_PATH = 'base.png'
PLAYER_PATH = (
 'bird2_0.png',
 'bird2_1.png',
 'bird2_2.png',
)
# 初始化
pygame.init()
# 创建窗口
SCREEN = pygame.display.set_mode((SCREENHEIGHT, SCREENHEIGHT))
# 设置窗口标题
pygame.display.set_caption("Flappy Bird")

# 加载图片,透明用convert_alpha,不透明用convert
IMAGES['background'] = pygame.image.load(BACKGROUND_PATH).convert()
IMAGES['base'] = pygame.image.load(BASE_PATH).convert_alpha()
IMAGES['bird'] = (
 pygame.image.load(PLAYER_PATH[0]).convert_alpha(),
 pygame.image.load(PLAYER_PATH[1]).convert_alpha(),
 pygame.image.load(PLAYER_PATH[2]).convert_alpha(),
)
IMAGES['pipe'] = (
 pygame.transform.rotate(pygame.image.load(PIPE_PATH).convert_alpha(), 180),
 pygame.image.load(PIPE_PATH).convert_alpha()

)
BASEY = SCREENHEIGHT * 0.82

# 设置帧率
FPS = 30
FPSCLOCK = pygame.time.Clock()

PIPE_WIDTH = IMAGES['pipe'][0].get_width()
PIPE_HEIGHT = IMAGES['pipe'][0].get_height()
PLAYER_WIDTH = IMAGES['bird'][0].get_width()
PLAYER_HEIGHT = IMAGES['bird'][0].get_height()

PIPEGAPSIZE = 100 # 两个水管之间的距离
x = SCREENWIDTH//2
y = SCREENHEIGHT//2
move_x = 0
move_y = 0

flap = 0 # 小鸟初始状态
pipeVelX = -4 # 管道x方向的速度
playerVelY = 0 # 小鸟y方向的初速度
playerMaxVelY = 10 # 小鸟y方向的最大速度
playerMinVelY = -8 # 小鸟y方向的最小速度
playerAccY = 2 # 小鸟y方向的下降加速度
playerFlapAcc = -3 # 小鸟y方向的上升加速度
playerFLapped = False # 当小鸟飞的时候为真
playery = int((SCREENHEIGHT - PLAYER_HEIGHT)/2)

# 随机移动柱子
def getRandomPipe():
 # 两个水管之间的距离有如下变量
 gapYs = [20, 30, 40, 50, 60, 70, 80, 90]
 index = random.randint(0, len(gapYs) - 1)
 gapY = gapYs[index]

gapY += int(BASEY * 0.2)
 # 水管x坐标
 pipeX = SCREENWIDTH + 10

return [
   {'x': pipeX, 'y': gapY - PIPE_HEIGHT},  # 上面水管的左上角位置
   {'x': pipeX, 'y': gapY + PIPEGAPSIZE},  # 下面水管的左上角位置
 ]

newPipel = getRandomPipe()

upperPipes = [
 {'x': SCREENWIDTH, 'y':newPipel[0]['y']}
]
lowerPipes = [
 {'x': SCREENWIDTH, 'y':newPipel[1]['y']}
]

while True:

for event in pygame.event.get():
   if event.type == QUIT:
     exit()
   elif event.type == KEYDOWN:
     if event.key == K_LEFT:
       move_x = -3
     elif event.key == K_RIGHT:
       move_x = 3
     elif event.key == K_UP:
       move_y = -3
     elif event.key == K_DOWN:
       move_y = 3
   elif event.type == KEYUP:
     move_x = 0
     move_y = 0

x = x + move_x
 y = y + move_y

# 防止冲出边界
 if x > SCREENWIDTH:
   x = 0
 elif x < 0:
   x = SCREENWIDTH

if y > SCREENHEIGHT:
   y = 0
 elif y < 0:
   y = SCREENHEIGHT

# 贴图在左上角
 SCREEN.blit(IMAGES['background'], (0, 0)) # 背景
 # 显示水管
 for uPipe, lPipe in zip(upperPipes, lowerPipes):
   SCREEN.blit(IMAGES['pipe'][0], (uPipe['x'], uPipe['y']))
   SCREEN.blit(IMAGES['pipe'][1], (lPipe['x'], lPipe['y']))

# 放小鸟
 SCREEN.blit(IMAGES['bird'][flap], (x, y))
 flap = flap + 1

if flap ％ 3 == 0:
   flap = 0

for uPipe, lPipe in zip(upperPipes, lowerPipes):
   uPipe['x'] += pipeVelX
   lPipe['x'] += pipeVelX

# 当水管移动到某一位置的时候，生成新的水管

if 0 < upperPipes[0]['x'] < 5:
   newPipe = getRandomPipe()
   upperPipes.append(newPipe[0])
   lowerPipes.append(newPipe[1])

# 如果水管从右往左移动到边缘，则摧毁水管
 if upperPipes[0]['x'] < -PIPE_WIDTH:
   # 队列头出队
   upperPipes.pop(0)
   lowerPipes.pop(0)

# 刷新画面
 pygame.display.update()
 FPSCLOCK.tick(FPS)

来源：https://blog.csdn.net/wwxy1995/article/details/81436788