"""这是一个用海龟画图模块和pygame的混音模块制作的简易播放器。
作者：李兴球，日期：2018/8/26"""
 
from turtle import *
 
def init_screen():
 """初始化屏幕"""
 screen = Screen()
 screen.setup(width,height)
 screen.bgpic("舞台.png")
 screen.title(gametitle)
 screen.delay(0)
 return screen
 
def init_mixer():
 """初始化混音器，注意在函数内部导入的模块的作用范围"""
 have_pygame = False
 try:
 import pygame
 pygame.mixer.init()
 have_pygame = True
 except:
 pygame = None
 return have_pygame ,pygame
 
class Button(Turtle):
 """按钮类，每个按钮有两张图片，自带音乐"""
 
 def __init__(self,costume_list,x,y,music,width,height):
 Turtle.__init__(self,visible=False)
 self.penup()
 self.costume_list = costume_list # 造型列表
 self.costume_index = 0  # 造型初始索引号
 self.shape(self.costume_list[self.costume_index]) # 设置造型为索引为0的图
 self.goto(x,y)
 self.width = width
 self.height = height
 self.left = x - width/2 # 左边x坐标
 self.right = x + width/2 # 右边x坐标
 self.top = y + height/2 # 上边y坐标
 self.bottom = y - height/2 # 下边y坐标
 self.music = music  
 self.showturtle()
 self.onclick(self.play) # 单击按钮调用play方法
 
 def play(self,x,y):
 """先停止音乐再播放音乐"""
 pygame.mixer.music.stop()  # 停止正在播放的音乐
 pygame.mixer.music.load(self.music)
 screen.title(gametitle + "，正在播放：" + self.music)
 pygame.mixer.music.play(-1,0) # -1表示循环播放，0表示从头开始播放
 
 def onmousemove(self,event):
 """判断鼠标指针是否在按钮坐标范围内"""
 pass
 
def make_button():
 """加载资源，生成播放按钮"""
 c1_list = ("Losing_Sleep0.gif","Losing_Sleep1.gif")
 [screen.addshape(image) for image in c1_list]
 music1 = "Alan Walker - Losing Sleep.mp3"
 b1 = Button(c1_list,-250,0,music1,200,150)
 screen.cv.bind("<Motion>",b1.onmousemove,add=True)
 
 c2_list = ("和兰花在一起0.gif","和兰花在一起1.gif")
 [screen.addshape(image) for image in c2_list]
 music2 = "Yanni - With An Orchid.mp3"
 b2 = Button(c2_list,00,0,music2,200,150)
 screen.cv.bind("<Motion>",b2.onmousemove,add=True)
 
 c3_list = ("Faded0.gif","Faded1.gif")
 [screen.addshape(image) for image in c3_list]
 music3 = "Alan Walker - Faded (纯音乐).wav"
 b3 = Button(c3_list,250,0,music3,200,150)
 screen.cv.bind("<Motion>",b3.onmousemove,add=True)
 
 c4_list = ("兰贵人0.gif","兰贵人1.gif")
 [screen.addshape(image) for image in c4_list]
 music4 = "胡伟立-兰贵人.mp3"
 b4 = Button(c4_list,-250,-200,music4,200,150)
 screen.cv.bind("<Motion>",b4.onmousemove,add=True)
 
 c5_list = ("Spectre0.gif","Spectre1.gif")
 [screen.addshape(image) for image in c5_list]
 music5 = "Alan Walker - Spectre.mp3"
 b5 = Button(c5_list,0,-200,music5,200,150)
 screen.cv.bind("<Motion>",b5.onmousemove,add=True)
 
 c6_list = ("新古典主义0.gif","新古典主义1.gif")
 [screen.addshape(image) for image in c6_list]
 music6 = "新古典主义-组曲.mp3"
 b6 = Button(c6_list,250,-200,music6,200,150)
 screen.cv.bind("<Motion>",b6.onmousemove,add=True)
 
 
if __name__ == "__main__":
 
 gametitle = "花框音乐盒"
 width,height = 800,600
 screen = init_screen()
 mixer_success,pygame = init_mixer()
 if mixer_success:
 print("成功初始化混音器。")
 else:
 print("初始化混音器出现问题。")
 make_button()
 screen.mainloop()