python实现滑雪游戏

本文实例为大家分享了python实现滑雪游戏的具体代码，供大家参考，具体内容如下

# coding: utf-8
# 滑雪小游戏
import sys
import pygame
import random
from pygame.locals import *

# 滑雪者类
class SkierClass(pygame.sprite.Sprite):
 def __init__(self):
 pygame.sprite.Sprite.__init__(self)
 # 滑雪者的朝向(-2到2)
 self.direction = 0
 self.imgs = ["./images/skier_forward.png", "./images/skier_right1.png", "./images/skier_right2.png", "./images/skier_left2.png", "./images/skier_left1.png"]
 self.person = pygame.image.load(self.imgs[self.direction])
 self.rect = self.person.get_rect()
 self.rect.center = [320, 100]
 self.speed = [self.direction, 6-abs(self.direction)*2]
 # 改变滑雪者的朝向
 # 负数为向左，正数为向右，0为向前
 def turn(self, num):
 self.direction += num
 self.direction = max(-2, self.direction)
 self.direction = min(2, self.direction)
 center = self.rect.center
 self.person = pygame.image.load(self.imgs[self.direction])
 self.rect = self.person.get_rect()
 self.rect.center = center
 self.speed = [self.direction, 6-abs(self.direction)*2]
 return self.speed
 # 移动滑雪者
 def move(self):
 self.rect.centerx += self.speed[0]
 self.rect.centerx = max(20, self.rect.centerx)
 self.rect.centerx = min(620, self.rect.centerx)

# 障碍物类
# Input:
# -img_path: 障碍物图片路径
# -location: 障碍物位置
# -attribute: 障碍物类别属性
class ObstacleClass(pygame.sprite.Sprite):
 def __init__(self, img_path, location, attribute):
 pygame.sprite.Sprite.__init__(self)
 self.img_path = img_path
 self.image = pygame.image.load(self.img_path)
 self.location = location
 self.rect = self.image.get_rect()
 self.rect.center = self.location
 self.attribute = attribute
 self.passed = False
 # 移动
 def move(self, num):
 self.rect.centery = self.location[1] - num

# 创建障碍物
def create_obstacles(s, e, num=10):
 obstacles = pygame.sprite.Group()
 locations = []
 for i in range(num):
 row = random.randint(s, e)
 col = random.randint(0, 9)
 location = [col*64+20, row*64+20]
 if location not in locations:
  locations.append(location)
  attribute = random.choice(["tree", "flag"])
  img_path = './images/tree.png' if attribute=="tree" else './images/flag.png'
  obstacle = ObstacleClass(img_path, location, attribute)
  obstacles.add(obstacle)
 return obstacles

# 合并障碍物
def AddObstacles(obstacles0, obstacles1):
 obstacles = pygame.sprite.Group()
 for obstacle in obstacles0:
 obstacles.add(obstacle)
 for obstacle in obstacles1:
 obstacles.add(obstacle)
 return obstacles

# 显示游戏开始界面
def Show_Start_Interface(Demo, width, height):
 Demo.fill((255, 255, 255))
 tfont = pygame.font.Font('./font/simkai.ttf', width//4)
 cfont = pygame.font.Font('./font/simkai.ttf', width//20)
 title = tfont.render(u'滑雪游戏', True, (255, 0, 0))
 content = cfont.render(u'按任意键开始游戏', True, (0, 0, 255))
 trect = title.get_rect()
 trect.midtop = (width/2, height/10)
 crect = content.get_rect()
 crect.midtop = (width/2, height/2.2)
 Demo.blit(title, trect)
 Demo.blit(content, crect)
 pygame.display.update()
 while True:
 for event in pygame.event.get():
  if event.type == QUIT:
  sys.exit()
  elif event.type == pygame.KEYDOWN:
  return

# 主程序
def main():
 '''
 初始化
 '''
 pygame.init()
 # 声音
 pygame.mixer.init()
 pygame.mixer.music.load("./music/bg_music.mp3")
 pygame.mixer.music.set_volume(0.4)
 pygame.mixer.music.play(-1)
 # 屏幕
 screen = pygame.display.set_mode([640, 640])
 pygame.display.set_caption('滑雪游戏-公众号:Charles的皮卡丘')
 # 主频
 clock = pygame.time.Clock()
 # 滑雪者
 skier = SkierClass()
 # 记录滑雪的距离
 distance = 0
 # 创建障碍物
 obstacles0 = create_obstacles(20, 29)
 obstacles1 = create_obstacles(10, 19)
 obstaclesflag = 0
 obstacles = AddObstacles(obstacles0, obstacles1)
 # 分数
 font = pygame.font.Font(None, 50)
 score = 0
 score_text = font.render("Score: "+str(score), 1, (0, 0, 0))
 # 速度
 speed = [0, 6]
 Show_Start_Interface(screen, 640, 640)
 '''
 主循环
 '''
 # 更新屏幕
 def update():
 screen.fill([255, 255, 255])
 pygame.display.update(obstacles.draw(screen))
 screen.blit(skier.person, skier.rect)
 screen.blit(score_text, [10, 10])
 pygame.display.flip()

 while True:
 # 左右键控制人物方向
 for event in pygame.event.get():
  if event.type == pygame.QUIT:
  sys.exit()
  if event.type == pygame.KEYDOWN:
  if event.key == pygame.K_LEFT or event.key == pygame.K_a:
   speed = skier.turn(-1)
  elif event.key == pygame.K_RIGHT or event.key == pygame.K_d:
   speed = skier.turn(1)
 skier.move()
 distance += speed[1]
 if distance >= 640 and obstaclesflag == 0:
  obstaclesflag = 1
  obstacles0 = create_obstacles(20, 29)
  obstacles = AddObstacles(obstacles0, obstacles1)
 if distance >= 1280 and obstaclesflag == 1:
  obstaclesflag = 0
  distance -= 1280
  for obstacle in obstacles0:
  obstacle.location[1] = obstacle.location[1] - 1280
  obstacles1 = create_obstacles(10, 19)
  obstacles = AddObstacles(obstacles0, obstacles1)
 # 用于碰撞检测
 for obstacle in obstacles:
  obstacle.move(distance)
 # 碰撞检测
 is_hit = pygame.sprite.spritecollide(skier, obstacles, False)
 if is_hit:
  if is_hit[0].attribute == "tree" and not is_hit[0].passed:
  score -= 50
  skier.person = pygame.image.load("./images/skier_fall.png")
  update()
  # 摔倒后暂停一会再站起来
  pygame.time.delay(1000)
  skier.person = pygame.image.load("./images/skier_forward.png")
  skier.direction = 0
  speed = [0, 6]
  is_hit[0].passed = True
  elif is_hit[0].attribute == "flag" and not is_hit[0].passed:
  score += 10
  obstacles.remove(is_hit[0])
 score_text = font.render("Score: "+str(score), 1, (0, 0, 0))
 update()
 clock.tick(40)

if __name__ == '__main__':
 main()

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