# 大鱼吃小鱼

import pygame
import random
from pygame.locals import *
from pygame.math import *
from sys import exit

pygame.init()   # 初始化
pygame.mixer.init()

# 图片资源导入
music_botton=pygame.image.load(r'D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\music.png')       # 图片-音乐
background = pygame.image.load(r'D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\background.png')  # 图片-背景
img_fish = pygame.image.load(r"D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\thefish.png")       # 图片-玩家操控的鱼
img_small = pygame.image.load(r"D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\small.png")        # 图片-小鱼
img_middle1 = pygame.image.load(r"D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\middle1.png")    # 图片-中鱼1
img_middle2 = pygame.image.load(r"D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\middle2.png")    # 图片-中鱼2
img_big1 = pygame.image.load(r"D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\big1.png")          # 图片-大鱼1
img_big2 = pygame.image.load(r"D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\big2.png")          # 图片-大鱼2
img_shark = pygame.image.load(r"D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\shark.png")        # 图片-鲨鱼

# 图片资源处理
new_fish = pygame.transform.rotozoom(img_fish,0,0.2)       # 图片旋转180°，并缩放为原来的0.2倍

new_small1 = pygame.transform.rotozoom(img_small,0,0.18)   # 图片旋转180°，缩放为原来的0.18倍。并生成水平翻转的图片2
new_small2 = pygame.transform.rotozoom(img_small,0,0.18)

new_middle12 = pygame.transform.rotozoom(img_middle1,0,0.35) # 图片旋转180°，缩放为原来的0.35倍。并生成水平翻转的图片2
new_middle11 = pygame.transform.flip(new_middle12,1,0)
new_middle22 = pygame.transform.rotozoom(img_middle2,0,0.35)
new_middle21 = pygame.transform.flip(new_middle22,1,0)

new_big12 = pygame.transform.rotozoom(img_big1,0,0.6)
new_big11 = pygame.transform.flip(new_big12,1,0)
new_big22 = pygame.transform.rotozoom(img_big2,0,0.6)
new_big21 = pygame.transform.flip(new_big22,1,0)
new_shark1 = pygame.transform.rotozoom(img_shark,0,1.2)
new_shark2 = pygame.transform.flip(new_shark1,1,0)


pygame.mixer.music.load(r'D:\网易云\昙轩 - 海の形.mp3')    # 加载为背景音乐
pygame.mixer.music.play(-1,0.0)                          # 播放背景音乐

size = width, height = 1419,640
screen = pygame.display.set_mode(size ) # 设置屏幕

pygame.display.set_caption("大鱼吃小鱼")        # 设置标题
clock = pygame.time.Clock()                          # 设置时钟

sp = Vector2(480,240)          # 小鱼坐标为二维向量sp
speed = 2.0                    # 速度为两个单位
mouse_xy = (480,240)
distanse = Vector2(0,0)
fish_dir = Vector2(-1,0)
time_i=0
fish_list=[] #四维数组:x,y,方向,品种
npc_fish=[]
score = 0
x1,y1=1379,0
is_music_playing = False  # 定义背景音乐的状态，默认是打开

while True:
    clock.tick_busy_loop(60)
    time_i=time_i+1

    screen.blit(background, (0, 0))  # 背景图片
    screen.blit(music_botton, (x1,y1))   # 音乐开关图片


    if time_i%100 == 0:
        ram_num1=random.randint(0,1)  # 左右随机数
        ram_num2=random.randint(1,20)  # 品种随机数：smal-12，midle-5，big-2，shark-1

        if ram_num1 == 1:
            npc_fish.append("left")
        else:
            npc_fish.append("right")

        if ram_num2 == 1:
            npc_fish.append("shark")
        elif ram_num2 >= 2 | ram_num2 <= 3:
            npc_fish.append("big1")
        elif ram_num2 >= 4 | ram_num2 <= 5:
            npc_fish.append("big2")
        elif ram_num2 >= 6 | ram_num2 <= 8:
            npc_fish.append("middle1")
        elif ram_num2 >= 9 | ram_num2 <= 11 :
            npc_fish.append("middle2")
        else:
            npc_fish.append("small")

        if npc_fish[0]=="left":
            npc_fish.append(0)
        else:
            npc_fish.append(1000)

        npc_fish.append(random.randint(0,380))

        fish_list.append(npc_fish)
        print(npc_fish)
        npc_fish=[]

    for fish in fish_list:

        if fish[1] == "small":
            if fish[0] == "left":
                screen.blit(new_small1,(fish[2],fish[3]))
            else:
                screen.blit(new_small2,(fish[2],fish[3]))
        if fish[1] == "middle1":
            if fish[0] == "left":
                screen.blit(new_middle11,(fish[2],fish[3]))
            else:
                screen.blit(new_middle12,(fish[2],fish[3]))
        if fish[1] == "middle2":
            if fish[0] == "left":
                screen.blit(new_middle21,(fish[2],fish[3]))
            else:
                screen.blit(new_middle22,(fish[2],fish[3]))
        if fish[1] == "big1":
            if fish[0] == "left":
                screen.blit(new_big11,(fish[2],fish[3]))
            else:
                screen.blit(new_big12,(fish[2],fish[3]))
        if fish[1] == "big2":
            if fish[0] == "left":
                screen.blit(new_big21,(fish[2],fish[3]))
            else:
                screen.blit(new_big22,(fish[2],fish[3]))
        if fish[1] == "shark":
            if fish[0] == "left":
                screen.blit(new_shark1,(fish[2],fish[3]))
            else:
                screen.blit(new_shark2,(fish[2],fish[3]))

        if fish[0] == "left":
            fish[2] = fish[2] + 1
            if fish[2] == 1000:
                fish_list.remove(fish)
        else:
            fish[2] = fish[2] - 1
            if fish[2] == -200:
                fish_list.remove(fish)

    distanse = mouse_xy - sp
    dis_len=distanse.length()
    if dis_len < speed:
        mouse_xy=sp
    elif dis_len != 0:
        distanse.normalize_ip()
        distanse=distanse*speed
        sp+=distanse

    for fish in fish_list:
        fish_pos=Vector2(fish[2],fish[3])
        distanse2 = sp - fish_pos
        if distanse2.length() <= 100:
            img_fish = pygame.transform.rotozoom(img_fish,0,1.1)
            fish_list.remove(fish)
            score += 2

    font = pygame.font.Font(r'D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\ziti.ttf', 50)
    score_text = font.render("分数：" + str(score), 1, (255, 255, 255))  # 创建文本列表
    screen.blit(score_text, (10, 10))  # 在屏幕左上角显示分数

    if score > 30:  # 判断游戏是否达到分数
        game_over = True
    else:
        game_over = False

    if game_over:
        font = pygame.font.Font(r'D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\ziti.ttf', 36)
        text = font.render("游戏结束了，你的分数是：" + str(score), 1, (255, 255, 255))
        text_rect = text.get_rect(center=(width // 2, height // 2 - 100))
        screen.blit(text, text_rect)

        font = pygame.font.Font(r'D:\pycharm\PycharmProjects\大鱼吃小鱼\.venv\image\ziti.ttf', 36)
        quit_button = font.render("结束游戏", 1, (255, 255, 255))
        quit_button_rect = quit_button.get_rect(center=(width // 2, height // 2))
        pygame.draw.rect(screen, (0, 255, 0), quit_button_rect, 2)
        screen.blit(quit_button, quit_button_rect)

        for event in pygame.event.get():
            if event.type == QUIT:
                pygame.quit()
                exit()
            if event.type == MOUSEBUTTONDOWN:
                mouse_pos = pygame.mouse.get_pos()  # 获取鼠标位置

                if 630 <= mouse_pos[0] <= 780 and 300 <= mouse_pos[1] <= 340:
                    pygame.quit()
                    xit()

        pygame.display.flip()


    for event in pygame.event.get():
        if event.type == MOUSEBUTTONDOWN:      # 鼠标按下事件
            mouse_xy=Vector2(event.pos)        # 将玩家控制的小鱼移动到鼠标点击的坐标
            distanse = mouse_xy - sp
            angle = distanse.angle_to(fish_dir)
            new_fish = pygame.transform.rotozoom(img_fish,angle,0.2)

        if event.type == MOUSEBUTTONDOWN and width - 50 <= mouse_xy[0] <= width and 10 <= mouse_xy[1] <= 60:
            if not is_music_playing:   # 如果未播放音乐则打开
                pygame.mixer.music.play(-1, 0.0)
                is_music_playing = True
            else:                       # 如果已经播放了音乐则关闭
                pygame.mixer.music.stop()
                is_music_playing = False

        if event.type == pygame.QUIT:
            pygame.mixer.music.stop()   # 停止播放背景音乐
            exit()

    screen.blit(new_fish, sp)
    pygame.display.update()   # 刷新显示界面