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lesson8-diy3.py

+import pygame
+from pygame import locals
+import random
+
+pygame.init()  # 初始化
+
+class Block(pygame.sprite.Sprite):
+    def __init__(self,image1,image2,image3):
+        super().__init__()
+        # 加载障碍物的图片
+        self.image = random.choice([image1, image2, image3])
+        # 根据障碍物位图的宽高设置矩形
+        self.rect = self.image.get_rect()
+        # 障碍物绘制坐标
+        self.rect.x = 1000
+        self.rect.y = 500 - self.rect.height
+
+# 创建一个窗口
+screen = pygame.display.set_mode((1000, 600))
+FPS = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
+pygame.display.set_caption("悟空酷跑")
+# 载入图片
+background = pygame.image.load('bg.png')    # 背景
+road = pygame.image.load('road.png')      # 路
+stone = pygame.image.load('stone.png')      # 石头
+cacti = pygame.image.load('cacti.png')      # 仙人掌
+bush = pygame.image.load('bush.png')      # 灌木丛
+hero = [pygame.image.load('hero1.png'),
+        pygame.image.load('hero2.png'),
+        pygame.image.load('hero3.png'),
+        pygame.image.load('hero4.png'),
+        pygame.image.load('hero5.png')]
+index = 0   
+y = 400
+jumpState = "runing"
+t = 30
+
+bg_x = 0
+road_x = 0
+time = 0
+
+# obstacle = Block(bush,cacti,stone)
+block_list =pygame.sprite.Group()
+
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            # 接收到退出事件后退出程序
+            exit()
+        if event.type == locals.KEYDOWN:
+            if jumpState == "runing":
+                if event.key == locals.K_SPACE:
+                    jumpState = "up"
+
+    if jumpState == "up":    # 起跳状态
+        if t > 0:
+            y -= t
+            t -= 2
+        else:
+            jumpState = "down"  
+    if jumpState == "down":    # 降落状态
+        if t <= 30:
+            y += t
+            t += 2
+        else:
+            jumpState = "runing"
+            t =30
+    
+    # 悟空造型
+    wukong = hero[index]
+    if jumpState == "runing":       # 跑步状态下
+        index += 1
+        if index >= 5:
+            index = 0
+    # 将背景图画上去
+    bg_x -= 1
+    if bg_x<=-1000:
+        bg_x = 0
+    screen.blit(background, (bg_x, 0))
+    road_x -= 8
+    if road_x<=-1000:
+        road_x = 0
+    screen.blit(road, (road_x, 500))
+    screen.blit(wukong, (150, y))     # 悟空
+
+    # 绘制障碍物
+    # if obstacle.rect.x <= 0-obstacle.rect.width:
+    #     obstacle = Block(bush,cacti,stone)
+    # obstacle.rect.x -= 8
+    # obstacle.draw()
+    # +++++++++++++++++++++++++++++++++++++++
+    # 创建障碍物对象
+    time += 1
+    if time >= 60:
+        r = random.randint(0, 100)
+        if r > 40:
+            obstacle = Block(bush,cacti,stone)
+            block_list.add(obstacle)     
+        time = 0
+    # 遍历障碍物并展示
+    for prop in block_list:
+        prop.rect.x -= 8
+        screen.blit(prop.image, (prop.rect.x, prop.rect.y)) 
+        if prop.rect.x<=0-prop.rect.width:
+            prop.kill()
+    # print(len(block_list))
+    # 刷新画面
+    pygame.display.update()
+    FPS.tick(60)
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