接小球游戏：

操作方法：鼠标操作

截图：

直接放代码：

# -*- coding:utf-8 -*-
import sys,pygame,random #导入库
from pygame.locals import *

def print_text(font,x,y,text,color=(255,255,255)):
	imgText = font.render(text,True,color) # 创建字体，三个参数是文本.抗锯齿.颜色
	screen.blit(imgText,(x,y)) #built screen 创建文本窗口

pygame.init() #init 初始化

#窗口设置
screen = pygame.display.set_mode((600,500))#screen-size 窗口大小设置
pygame.display.set_caption('BallFall') #title 窗口标题
font1 = pygame.font.Font(None,24) #font,size 字体类型（None为pygame默认字体）.字体大小
pygame.mouse.set_visible(False) #mouse-visible 光标可视

#颜色设置
white = 255,255,255 #rgb 
red = 220,50,50
yellow = 230,230,50
blue = 0,0,100

#计数设置
lives = 3 #初始生命
score = 0 #初始分数

#初始化设置
game_over = True #游戏结束判断
mouse_x = mouse_y = 0 #光标初始化
pos_x = 300	#挡板位置初始化
pos_y = 460 
bomb_x = random.randint(0,500) #小球位置随机初始化
bomb_y = -50 #小球下落高度初始化
vel_y = 0.3 #小球下落速度

while True:
	for event in pygame.event.get(): #事件判断
		if event.type == QUIT:
			pygame.quit()
			sys.exit()
		elif event.type == MOUSEMOTION: #鼠标运动
			mouse_x,mouse_y = event.pos 
		elif event.type == MOUSEBUTTONUP: #鼠标抬起
			if game_over:
				game_over = False
				lives = 3
				score = 0

	keys = pygame.key.get_pressed() #获取键盘
	if keys[K_ESCAPE]: #键盘右上角esc键
		pygame.quit()
		sys.exit()

	screen.fill(blue) #背景颜色

	if game_over:
		print_text(font1,100,200,'click to play')
	else: #判断小球运行轨迹
		bomb_y += vel_y
		if bomb_y > 500: #fallen
			bomb_x = random.randint(0,500) #小球随机出现
			bomb_y = -50
			lives -= 1
			if lives == 0:
				game_over = True
		elif bomb_y > pos_y:
			if bomb_x > pos_x and bomb_x < pos_x + 120:
				score += 1
				bomb_x = random.randint(0,500)
				bomb_y = -50	

	pygame.draw.circle(screen,yellow,(bomb_x,int(bomb_y)),30,0) #绘制圆形 五个参数为屏幕.颜色.位置.实心半径.空心半径

	pos_x = mouse_x #挡板位置变化设置
	if pos_x < 0:
		pos_x = 0
	elif pos_x > 500:
		pos_x = 500

	pygame.draw.rect(screen,red,(pos_x,pos_y,120,40),0) #绘制矩形 参数跟圆形一样

	print_text(font1,0,0,'Lives:' + str(lives)) #文字显示
	print_text(font1,500,0,'Score:' + str(score))

	pygame.display.update() #更新