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滑雪小游戏2.py

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+# 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): import pygame, sys, random
+
+
+skier_images = ["skier_down.png", "skier_right1.png", "skier_right2.png",
+                "skier_left2.png", "skier_left1.png"]
+
+
+class SkierClass(pygame.sprite.Sprite):  # 创建滑雪者
+    def __init__(self):
+        pygame.sprite.Sprite.__init__(self)  # 基类的init方法
+        self.image = pygame.image.load("skier_crash.png")  # 这个是滑雪者的美照。
+        self.rect = self.image.get_rect()  # 用于获得Image的矩形大小
+        self.rect.center = [320, 100]  # 指定矩形的中心位置
+        self.angle = 0
+
+    def turn(self, direction):  # 滑雪者 转向函数 其中的direction参数是指定滑雪者移动的方向和程度（点击两次右键比一次右键滑动的幅度要大，一会自己试着运行一下试试。）
+        self.angle = self.angle + direction  # 滑雪者当前的移动速度
+        if self.angle < -2:  self.angle = -2  # 用于将滑雪者的移动方式固定到这五个方式当中
+        if self.angle > 2:  self.angle = 2
+        center = self.rect.center
+        self.image = pygame.image.load(skier_images[self.angle])  # 这个时候滑雪者应该有的姿态图片。
+        self.rect = self.image.get_rect()
+        self.rect.center = center
+        speed = [self.angle, 6 - abs(self.angle) * 2]  # 滑雪者的速度。
+        return speed
+
+    def move(self, speed):  # 滑雪者左右移动
+        self.rect.centerx = self.rect.centerx + speed[0]  # 滑雪者所在位置
+        if self.rect.centerx < 20:  self.rect.centerx = 20  # 滑雪者所在位置不应该超过的最大最小值。
+        if self.rect.centerx > 620: self.rect.centerx = 620
+
+
+class ObstacleClass(pygame.sprite.Sprite):  # 创建树和小旗
+    def __init__(self, image_file, location, type):
+        pygame.sprite.Sprite.__init__(self)
+        self.image_file = image_file  # image_file可能是树或者小旗
+        self.image = pygame.image.load(image_file)  # 载入当前的图片
+        self.location = location
+        self.rect = self.image.get_rect()
+        self.rect.center = location
+        self.type = type
+        self.passed = False
+
+    def scroll(self, terrainPos):  # 场景上滚，造成下滑假象。
+        self.rect.centery = self.location[1] - terrainPos
+
+
+def create_map(start, end):  # 创建一个窗口，包含随机的树和小旗
+    obstacles = pygame.sprite.Group()  # 创建独立运动的组织
+    locations = []
+    gates = pygame.sprite.Group()
+    for i in range(10):
+        row = random.randint(start, end)  # 获得随机数在 start-end之间
+        col = random.randint(0, 9)
+        location = [col * 64 + 20, row * 64 + 20]  # 确定所在位置
+        if not (location in locations):  # 如果上面定义的物体不在已经确定属性（位置等参数）的物体里面。
+            locations.append(location)
+            type = random.choice(["tree", "flag"])  # 随机选择是树还是小旗
+            if type == "tree":
+                img = "skier_tree.png"  # 选择相应的图片
+            elif type == "flag":
+                img = "skier_flag.png"
+            obstacle = ObstacleClass(img, location, type)  # 将上面的形成的物体添加到游戏
+            obstacles.add(obstacle)
+    return obstacles
+
+
+def animate():  # 如果发生移动就重新绘制屏幕
+    screen.fill([255, 255, 255])  # 指定背景颜色 （RGB）
+    pygame.display.update(obstacles.draw(screen))
+    screen.blit(skier.image, skier.rect)  # 用于绘制位图 在屏幕的skier.rect位置绘制skier.image
+    screen.blit(score_text, [10, 10])
+    pygame.display.flip()
+
+
+def updateObstacleGroup(map0, map1):  # 切换到场景的下一屏
+    obstacles = pygame.sprite.Group()
+    for ob in map0:  obstacles.add(ob)
+    for ob in map1:  obstacles.add(ob)
+    return obstacles
+
+pygame.init()  # 初始化pygame的所有模块
+def Show_Start_Interface(Demo, width, height,con1,con2):
+    Demo.fill((255, 255, 255))
+    tfont = pygame.font.Font('./font.ttf', 100)
+    cfont = pygame.font.Font('./font.ttf',50 )
+    title = tfont.render(con1, True, (255, 0, 0))
+    content = cfont.render(con2, True, (0, 0, 255))
+    trect = title.get_rect()
+    trect.midtop = (width / 2, height / 10)
+    crect = content.get_rect()
+    crect.midtop = (width / 3, 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 == pygame.QUIT:
+                sys.exit()
+            elif event.type == pygame.KEYDOWN:
+                return
+
+
+Demo = pygame.display.set_mode((900, 900))
+
+Show_Start_Interface(Demo, 900, 900,"滑雪游戏",'按任意键开始')
+
+
+screen = pygame.display.set_mode([900, 900])  # 用于初始化窗口，其中的参数就是分辨率
+clock = pygame.time.Clock()  # 载入监听时间的模块 clock在下面还可以看到 clock.tick等方法
+skier = SkierClass()  # 初始化SkierClass对象
+speed = [0, 6]
+map_position = 0
+points = 0
+map0 = create_map(20, 29)
+map1 = create_map(10, 19)
+activeMap = 0
+
+obstacles = updateObstacleGroup(map0, map1)
+
+font = pygame.font.Font(None, 50)
+
+while True:
+    clock.tick(100)  # 每秒更新30次图形 ---这就是帧率。
+    for event in pygame.event.get():  # 检查按键或者窗口是否关闭
+        if event.type == pygame.QUIT: sys.exit()
+        if event.type == pygame.KEYDOWN:
+            if event.key == pygame.K_LEFT:
+                speed = skier.turn(-1)
+            elif event.key == pygame.K_RIGHT:
+                speed = skier.turn(1)
+    skier.move(speed)  # 移动滑雪者
+    map_position += speed[1]  # 滚动场景
+
+    if map_position >= 640 and activeMap == 0:  # 从场景的一个窗口切换到下一个窗口
+        activeMap = 1
+        map0 = create_map(20, 29)
+        obstacles = updateObstacleGroup(map0, map1)
+    if map_position >= 1280 and activeMap == 1:
+        activeMap = 0
+        for ob in map0:
+            ob.location[1] = ob.location[1] - 1280
+        map_position = map_position - 1280
+        map1 = create_map(10, 19)
+        obstacles = updateObstacleGroup(map0, map1)
+
+    for obstacle in obstacles:
+        obstacle.scroll(map_position)
+
+    hit = pygame.sprite.spritecollide( skier,obstacles, False)  # 检查是否碰到树或者小旗。
+    if hit:
+        if hit[0].type == "tree" and not hit[0].passed:
+            points = points - 10
+            skier.image = pygame.image.load("skier_crash.png")
+            animate()
+            pygame.time.delay(400)
+            skier.image = pygame.image.load("skier_down.png")
+            skier.angle = 0
+            speed = [0, 6]
+            hit[0].passed = True
+            if points<0:
+                Show_Start_Interface(Demo, 900, 900,"游戏结束",'按任意键重新开始')
+                points=0
+        elif hit[0].type == "flag" and not hit[0].passed:
+            points += 10
+            obstacles.remove(hit[0])
+    # 显示得分
+    score_text = font.render("Score: " + str(points), 1, (0, 0, 0))
+    animate()
+
+pygame.sprite.Sprite.__init__(self)
+# 滑雪者的朝向(-2到2)
+self.direction = 0
+self.imgs = ["skier_crash.png", "skier_right1.png", "skier_right2.png", "skier_left2.png", "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
+
+# 主程序
+def main():
+    '''
+ 初始化
+ '''
+    pygame.init()
+    # 屏幕
+    screen = pygame.display.set_mode([900, 900])
+    # 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:
+        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
+    if 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__':
+    print("  ")