src/config/color.py

@@ -0,0 +1,6 @@
+class Color:
+    black = (0, 0, 0)
+    white = (255, 255, 255)
+    a = (255, 0, 0)
+    b = (0, 255, 0)
+    c = (0, 0, 255)

src/config/game_config.py

@@ -0,0 +1,16 @@
+import os
+
+
+class GameConfig:
+    game_name = "Test Game"
+    window_x = 1920/2
+    window_y = 1080/2
+    bg_color = (0, 0, 0)
+
+def data_path():
+    file_path = os.path.abspath(__file__)
+    project_path = os.path.dirname(os.path.dirname(os.path.dirname(file_path)))
+    data_path = os.path.join(project_path, "data")
+    return data_path
+
+print(data_path())

src/scenes/base_scene.py

@@ -0,0 +1,16 @@
+import pygame
+
+class BaseScene:
+    def __init__(self, screen: pygame.Surface, clock: pygame.time.Clock):
+        self.screen = screen
+        self.clock = clock
+        self.next_scene = None
+
+    def update(self):
+        pass
+
+    def handle_event(self, events):
+        pass
+
+    def switch_to_scene(self, scene_class):
+        self.next_scene = scene_class(self.screen, self.clock)

src/scenes/game_scene.py

@@ -0,0 +1,52 @@
+import pygame
+
+from src.config.game_config import GameConfig
+from src.scenes.base_scene import BaseScene
+
+
+class GameScene(BaseScene):
+    def __init__(self, screen, clock):
+        super().__init__(screen, clock)
+        self.dirty_x = 400
+        self.dirty_y = 300
+
+        self.Left_status = False
+        self.right_status = False
+        self.up_status = False
+        self.down_status = False
+
+        # 颜色
+        self.WHITE = (255, 255, 255)
+        self.RED = (255, 0, 0)
+        self.BLUE = (0, 0, 255)
+
+    def update(self):
+        if self.Left_status and self.dirty_x >= 0:
+            self.dirty_x -= 1
+        if self.right_status and self.dirty_x <= GameConfig.window_x - 20:
+            self.dirty_x += 1
+        if self.up_status and self.dirty_y >= 0:
+            self.dirty_y -= 1
+        if self.down_status and self.dirty_y <= GameConfig.window_y - 30:
+            self.dirty_y += 1
+        dirty = pygame.draw.rect(self.screen, self.BLUE, [self.dirty_x, self.dirty_y, 20, 30])
+
+    def handle_event(self, event):
+        if event.type == pygame.KEYDOWN:
+            if event.key == pygame.K_LEFT or event.key == pygame.K_a:
+                self.Left_status = True
+            elif event.key == pygame.K_RIGHT or event.key == pygame.K_d:
+                self.right_status = True
+            elif event.key == pygame.K_UP or event.key == pygame.K_w:
+                self.up_status = True
+            elif event.key == pygame.K_DOWN or event.key == pygame.K_s:
+                self.down_status = True
+        elif event.type == pygame.KEYUP:
+            if event.key == pygame.K_LEFT or event.key == pygame.K_a:
+                self.Left_status = False
+            elif event.key == pygame.K_RIGHT or event.key == pygame.K_d:
+                self.right_status = False
+            elif event.key == pygame.K_UP or event.key == pygame.K_w:
+                self.up_status = False
+            elif event.key == pygame.K_DOWN or event.key == pygame.K_s:
+                self.down_status = False

src/scenes/main_menu_scene.py

@@ -0,0 +1,123 @@
+import os
+import random
+
+import pygame
+from src.config.color import Color
+from src.config.game_config import data_path, GameConfig
+from src.scenes.base_scene import BaseScene
+from src.scenes.game_scene import GameScene
+
+
+class MainMenuScene(BaseScene):
+    def __init__(self, screen, clock):
+        super().__init__(screen, clock)
+        self.button_status = False
+        self.debug_status = False
+
+        # 雨滴列表
+        self.rain_max = 50
+        self.rain_list = []
+        # 雨滴生命周期
+        self.rain_live_max = 6
+
+        # 设置字体
+        font_file = os.path.join(data_path(),"Dymon-ShouXieTi.otf")
+        self.font = pygame.font.Font(font_file,16)
+
+        # 文本
+        self.game_info_text = self.font.render('按任意键开始游戏，鼠标点击退出', True, Color.white)
+
+        # 初始化雨滴
+        self.init_rain(self.rain_max)
+
+    def update(self):
+        # 按键按下则切换场景
+        if self.button_status:
+            self.switch_to_scene(GameScene)
+
+        # 显示提示文本
+
+        screen_rect = self.screen.get_rect()  # 获取屏幕矩形
+        text_rect = self.game_info_text.get_rect()  # 获取文本矩形
+        self.__show(text_rect, (0, 15))
+        text_rect.center = screen_rect.center  # 将文本居中到屏幕
+        self.screen.blit(self.game_info_text, text_rect.topleft)
+
+        self.__show(screen_rect)
+        self.__show(text_rect,(0,30))
+        self.__show(text_rect.center,(0,45))
+
+        # 雨滴坠落
+        self.rain_fall()
+
+    def handle_event(self, event):
+        if event.type == pygame.KEYDOWN:
+            self.button_status = True
+        elif event.type == pygame.MOUSEBUTTONDOWN:
+            return "exit"  # 主循环接收返回，为exit时设置running为False，退出游戏
+
+    def __show(self, info, dest=(0, 0)):
+        if not self.debug_status:
+            return
+        if not isinstance(info, str):
+            info = str(info)
+        info_text = self.font.render(info, True, Color.white)
+        self.screen.blit(info_text, dest)
+
+    def __rain_list_append(self, status=0):
+        x = random.randint(0, int(GameConfig.window_x))
+        y = random.randint(0, int(GameConfig.window_y))
+        rain = {
+            "dest": (x, y),
+            "timer": 0,
+            "status": status
+        }
+        self.rain_list.append(rain)
+
+    def init_rain(self, max_num):
+        """
+        初始化雨滴列表，保存雨滴落点的坐标
+        """
+        for i in range(max_num):
+            status = random.randint(1, self.rain_live_max)
+            self.__rain_list_append(status)
+
+
+    def rain_fall(self):
+        """
+        展示雨滴画面
+        """
+        dt = self.clock.tick()
+
+        for rain in self.rain_list:
+
+            # 当状态在区间1时绘制雨滴线条
+            if rain["status"] <= self.rain_live_max - 3:
+                # 线条长度
+                line_len = 10*(self.rain_live_max - rain["status"])
+                # 起点位置
+                x = rain["dest"][0]
+                y = rain["dest"][1] - line_len
+                line_start_point = (x, y)
+                pygame.draw.line(self.screen, Color.white, line_start_point, rain["dest"], 1)
+            # 状态在区间2时绘制涟漪
+            elif self.rain_live_max - 3 < rain["status"]:
+                point_width = rain["status"] - (self.rain_live_max - 3)
+                pygame.draw.circle(self.screen, Color.white, rain["dest"], point_width, 1)
+            # # 椭圆
+            # rain_point_rect = [rain["dest"][0], rain["dest"][1], rain["status"], rain["status"]]
+            # pygame.draw.ellipse(self.screen, Color.white, rain_point_rect, 1)
+
+            # 雨滴状态每d_status毫秒变化一次
+            d_status = 200
+            if rain["timer"] > d_status:
+                rain["status"] += 1
+                rain["timer"] -= d_status  # 不设为0，避免累计时间误差
+
+            # 生命周期走完后销毁并添加新雨滴
+            if rain["status"] > self.rain_live_max:
+                self.rain_list.remove(rain)
+                self.__rain_list_append()
+
+            # timer累计每帧时间
+            rain["timer"] += dt

start.py

@@ -0,0 +1,50 @@
+import pygame
+
+from src.config.game_config import GameConfig
+from src.scenes.main_menu_scene import MainMenuScene
+
+
+class Game:
+    def __init__(self):
+        # 初始化
+        pygame.init()
+
+        # 设置窗口大小
+        size = (GameConfig.window_x, GameConfig.window_y)
+        self.screen = pygame.display.set_mode(size, pygame.NOFRAME)
+
+        # 设置计时器
+        self.clock = pygame.time.Clock()
+
+        # 当前场景
+        self.scene = MainMenuScene(self.screen, self.clock)
+
+        # 运行循环
+        self.running = True
+        self.run()
+
+    def run(self):
+        while self.running:
+            # 事件处理
+            for event in pygame.event.get():  # 这里已经获取了事件，事件队列被清空，在场景的update中再次获取将没有事件
+                if event.type == pygame.QUIT:
+                    self.running = False
+                result = self.scene.handle_event(event)  # 当前场景接收事件
+                if result == "exit":
+                    self.running = False
+
+            # 检查是否切换场景
+            if self.scene.next_scene is not None:
+                self.scene = self.scene.next_scene
+
+            # 清屏
+            self.screen.fill(GameConfig.bg_color)
+
+            # 场景每帧更新逻辑运行
+            self.scene.update()
+
+            # 更新显示
+            pygame.display.update()
+
+if __name__ == "__main__":
+    Game()