Python第七周项目

# -*- coding: utf-8 -*-
# "欢天喜地接元宝"游戏之基础篇

import simpleguitk as simplegui
import math
import random

# 定义全局变量
WIDTH = 800             # 画布宽度
HEIGHT = 600            # 画布高度
score = 0               # 游戏得分
fallings = 100          # 坠物个数
lives = 3               # 游戏机会次数（财神的命）
wealthgod = None        # 财神对象
falling_group = set()   # 所有坠物对象的集合

# 定义图片信息类
class ImageInfo:
    def __init__(self, center, size, radius=0, number=0, animated=False, count=None):
        self.center = center                # 图片的中心坐标
        self.size = size                    # 图片的大小
        self.radius = radius                # 图片的半径，用来计算是否和其它对象发生碰撞
        self.number = number                # 图片的编号，用于判断是哪一种坠物
        self.animated = animated            # 由该图片生成对象是否具备动画效果
        self.count = count                  # 为实现动画效果所提供的平铺图片数量

    def get_center(self):
        return self.center

    def get_size(self):
        return self.size

    def get_radius(self):
        return self.radius

    def get_number(self):
        return self.number

    def get_animated(self):
        return self.animated


# 定义财神类
class Wealthgod:
    def __init__(self, pos, vel, acc, image, info):
        self.pos = pos                         # 财神的位置坐标
        self.vel = vel                         # 财神的水平速度
        self.acc = acc                         # 财神的水平加速度
        self.image = image                     # 财神图像对象
        self.image_center = info.get_center()  # 图片的中心坐标
        self.image_size = info.get_size()      # 图片的大小
        self.radius = info.get_radius()        # 图片的半径，用来计算是否和其它对象发生碰撞
        self.current_frame = 0
   
    def get_position(self):
        # 步骤1 补充代码
        return self.pos
   
    def get_radius(self):
        # 步骤1 补充代码
        return self.radius
  
    # 改变位置、速度
    def update(self):
        # 步骤1 实现带加速度、摩擦、边界限制的水平移动
        self.vel += self.acc
        self.vel *= 0.95
        self.pos[0] += self.vel
       
        if self.pos[0] < self.radius:
            self.pos[0] = self.radius
            self.vel = 0
        if self.pos[0] > WIDTH - self.radius:
            self.pos[0] = WIDTH - self.radius
            self.vel = 0

    # 显示财神
    def draw(self, canvas):
        # 步骤1 实现财神动画
        self.update()
        self.current_frame = (self.current_frame + 0.1) % 3
        frame = int(self.current_frame)
        center = [self.image_center[0] + frame * self.image_size[0], self.image_center[1]]
        canvas.draw_image(self.image, center, self.image_size, self.pos, self.image_size)


# 定义坠落物类
class Falling:
    def __init__(self, pos, image, info, sound=None):
        self.pos = pos
        self.image = image
        self.image_center = info.get_center()
        self.image_size = info.get_size()
        self.radius = info.get_radius()
        self.number = info.get_number()
        self.animated = info.get_animated()
        self.age = 0
        if sound:
            sound.rewind()
            sound.play()
       
    def get_position(self):
        return self.pos   
   
    def get_radius(self):
        return self.radius
   
    def get_number(self):
        return self.number
        
    def draw(self, canvas):
        canvas.draw_image(self.image, self.image_center , self.image_size, self.pos, self.image_size, 0)

    def update(self):       
        # 步骤2 坠物向下移动
        self.pos[1] += 3
        return self.pos[1] < HEIGHT

# 加载图片资源
start_info = ImageInfo([400, 300], [800, 600])
start_image = simplegui.load_image("http://mooc.xjau.edu.cn:80/asset-v1:XJAU_CS+CS001+2019_T1+type@asset+block@start.png")                    # 开始背景

background_info = ImageInfo([195, 110], [391, 220])
background_image = simplegui.load_image("http://mooc.xjau.edu.cn:80/asset-v1:XJAU_CS+CS001+2019_T1+type@asset+block@background.jpg")          # 游戏背景

wealthgod_info = ImageInfo([56.66, 72.5], [113.33, 145], 20, 0, True, 3)
wealthgod_image = simplegui.load_image("http://mooc.xjau.edu.cn:80/asset-v1:XJAU_CS+CS001+2019_T1+type@asset+block@wealthgod.png")            # 财神，图像文件中包含3副图片用来实现动画

diamond_info = ImageInfo([25, 25], [50, 50],20, 1)
diamond_image = simplegui.load_image("http://mooc.xjau.edu.cn:80/asset-v1:XJAU_CS+CS001+2019_T1+type@asset+block@diamond.png")                # 钻石

ingot_info = ImageInfo([25, 25], [50, 50],20, 2)
ingot_image = simplegui.load_image("http://mooc.xjau.edu.cn:80/asset-v1:XJAU_CS+CS001+2019_T1+type@asset+block@ingot.png")                    # 元宝

copper_info = ImageInfo([25, 25], [50, 50],20, 3)
copper_image = simplegui.load_image("http://mooc.xjau.edu.cn:80/asset-v1:XJAU_CS+CS001+2019_T1+type@asset+block@copper.png")                  # 铜钱

dog_info = ImageInfo([25, 25], [50, 50],20, 4)
dog_image = simplegui.load_image("http://mooc.xjau.edu.cn:80/asset-v1:XJAU_CS+CS001+2019_T1+type@asset+block@dog.png")                        # 恶狗

bomb_info = ImageInfo([25, 25], [50, 50],20, 5)
bomb_image = simplegui.load_image("http://mooc.xjau.edu.cn:80/asset-v1:XJAU_CS+CS001+2019_T1+type@asset+block@bomb.png")                      # 炸弹

startButton_info = ImageInfo([114, 50], [228, 99])
startButton_image = simplegui.load_image("http://mooc.xjau.edu.cn:80/asset-v1:XJAU_CS+CS001+2019_T1+type@asset+block@startbutton.png")       # 游戏开始按钮

end_info = ImageInfo([400, 300], [800, 600])
end_image = simplegui.load_image("http://mooc.xjau.edu.cn:80/asset-v1:XJAU_CS+CS001+2019_T1+type@asset+block@end.png")                        # 游戏结束按钮

collision_info = ImageInfo([55, 43], [110, 86])
collision_image = simplegui.load_image("http://mooc.xjau.edu.cn:80/asset-v1:XJAU_CS+CS001+2019_T1+type@asset+block@bomb.png")           # 炸弹爆炸效果

blood_info = ImageInfo([85.5, 85.5], [171, 171])
blood_image = simplegui.load_image("http://mooc.xjau.edu.cn:80/asset-v1:XJAU_CS+CS001+2019_T1+type@asset+block@blood.png")                   # 被恶狗咬后的溅血效果

# 加载音效资源
back_sound = simplegui.load_sound("http://mooc.xjau.edu.cn:80/asset-v1:XJAU_CS+CS001+2019_T1+type@asset+block@sound1.OGG")                    # 背景音效
explode_sound = simplegui.load_sound("http://mooc.xjau.edu.cn:80/asset-v1:XJAU_CS+CS001+2019_T1+type@asset+block@explode.wav")                # 爆炸音效
money_sound = simplegui.load_sound("http://mooc.xjau.edu.cn:80/asset-v1:XJAU_CS+CS001+2019_T1+type@asset+block@money.wav")                    # 捡到元宝或钱的音效
dog_sound = simplegui.load_sound("http://mooc.xjau.edu.cn:80/asset-v1:XJAU_CS+CS001+2019_T1+type@asset+block@dog.wav")                        # 被恶狗咬的音效

# 游戏开始函数
def game_start():
    global wealthgod
    timer.start()
    back_sound.rewind()
    back_sound.play()
    wealthgod = Wealthgod([WIDTH/2, HEIGHT - wealthgod_info.get_size()[0]/2], 0, 0, wealthgod_image, wealthgod_info)


# 天空坠物随机出现函数
def falling_spawner():
    # 步骤3 随机生成1-5号坠物
    global fallings
    if fallings > 0:
        x = random.randint(30, WIDTH-30)
        typ = random.randint(1,5)
        if typ == 1:
            obj = Falling([x,0], diamond_image, diamond_info)
        elif typ == 2:
            obj = Falling([x,0], ingot_image, ingot_info)
        elif typ == 3:
            obj = Falling([x,0], copper_image, copper_info)
        elif typ == 4:
            obj = Falling([x,0], dog_image, dog_info)
        else:
            obj = Falling([x,0], bomb_image, bomb_info)
        falling_group.add(obj)
        fallings -= 1
    else:
        timer.stop()

   
# 处理一组坠物的辅助函数
def process_falling_group(group, canvas):
    # 步骤4 绘制并更新，移除出屏的
    remove = set()
    for f in list(group):
        f.draw(canvas)
        if not f.update():
            remove.add(f)
    group.difference_update(remove)

               
# 主绘制函数
def draw(canvas):
    global wealthgod, falling_group
    canvas.draw_image(background_image, background_info.get_center(), background_info.get_size(),
                      [WIDTH / 2, HEIGHT / 2], [WIDTH, HEIGHT])
    canvas.draw_text('坠物剩余：' + str(fallings), (100, 30), 16, 'White', 'serif')
    canvas.draw_text('成绩：' + str(score), (WIDTH/2, 30), 16, 'White', 'serif')
    canvas.draw_text('生命数：' + str(lives), (WIDTH - 200, 30), 16, 'White', 'serif')
    wealthgod.draw(canvas)
    process_falling_group(falling_group, canvas)

# 处理键盘按下事件
def key_down(key):
    global wealthgod
    # 步骤6 左右控制
    if key == simplegui.KEY_MAP['left']:
        wealthgod.acc = -0.2
    elif key == simplegui.KEY_MAP['right']:
        wealthgod.acc = 0.2

# 处理键盘松开事件
def key_up(key):
    global wealthgod
    wealthgod.acc = 0


# 创建界面
frame = simplegui.create_frame("欢天喜地接元宝", WIDTH, HEIGHT)
frame.set_draw_handler(draw)
frame.set_keydown_handler(key_down)
frame.set_keyup_handler(key_up)

timer = simplegui.create_timer(2000, falling_spawner)

game_start()
frame.start()