添加星系显示

src/entity/galaxy.py

@@ -0,0 +1,80 @@
+# ---------------------------------------------------------------------------
+# ProjectName:   Project1
+# FileName:      galaxy.py
+# Author:       chic_robot
+# Datetime:     2026/8/25 23:45
+# Description:
+# 命名规范：文件名全小写+下划线，类名大驼峰，方法和变量小写+下划线连接，
+# 常量大写，变量和常量用名词，方法用动词
+# ---------------------------------------------------------------------------
+import math
+import random
+
+from src.config.game_config import GameConfig
+
+
+class Plant:
+    """
+    星球
+    """
+    def __init__(self, x=None, y=None, center_x=None, center_y=None, angle=0.0, r=1, v=1, size=5):
+        self.x = x  # 星球坐标
+        self.y = y
+        self.center_x = center_x  # 星球环绕中心
+        self.center_y = center_y
+        self.angle = angle  # 星球绕行所处角度
+        self.r = r  # 星球绕行半径
+        self.v = v  # 绕行速度
+        self.size = size  # 星球半径
+
+        # 如果没有输入中心坐标则默认为屏幕中心，xy分别判断
+        if not self.center_x:
+            self.center_x = GameConfig.window_x/2
+        if not self.center_y:
+            self.center_y = GameConfig.window_y/2
+
+        # 如果没有传入星球坐标则根据绕行角度更新
+        if not self.x or not self.y:
+            self._update_position_by_angle()
+
+    def _update_position_by_angle(self):
+        """
+        根据角度与绕行圆心计算坐标
+        """
+        self.x = self.center_x + self.r * math.cos(self.angle)
+        self.y = self.center_y + self.r * math.sin(self.angle)
+
+
+class Galaxy:
+    """
+    星系
+    """
+    def __init__(self, name, plants_num=0, x=None, y=None):
+        self.name = name  # 星系名称
+        self.plants = []  # 星系下行星
+        self.x = x  # 星系中心坐标
+        self.y = y
+
+        # 如果没有传入中心坐标则默认为屏幕中心
+        if not x:
+            self.x = GameConfig.window_x/2
+        if not y:
+            self.y = GameConfig.window_y/2
+        self.init_plants(plants_num)
+
+    def init_plants(self, plants_num, center_x=None, center_y=None):
+        """
+        初始化生成行星
+        """
+        for i in range(plants_num):
+            r = (i+1) * 50
+            angle = random.uniform(0, 2 * math.pi)
+            plant = Plant(center_x=center_x, center_y=center_y, r=r, angle=angle)
+            self.plants.append(plant)
+
+    # def init_plants(self, plants_num):
+    #     for i in range(plants_num):
+    #         x = random.randint(0, GameConfig.window_x)
+    #         y = random.randint(0, GameConfig.window_y)
+    #         plant = Plant(x, y)
+    #         self.plants.append(plant)

src/scenes/space_scene.py

@@ -1,9 +1,11 @@
+import math
 import os
 
 import pygame
 
 from src.config.color import Color
 from src.config.game_config import data_path, GameConfig
+from src.entity.galaxy import Galaxy
 from src.entity.player import Player
 from src.scenes.base_scene import BaseScene
 
@@ -17,6 +19,10 @@ class SpaceScene(BaseScene):
         # 实例化玩家
         self.player = Player(screen)
 
+        # 初始化星系行星
+        sun = Galaxy("sun", 7)
+        self.plants = sun.plants
+
         # 设置字体
         font_file = os.path.join(data_path(), "Dymon-ShouXieTi.otf")
         self.font = pygame.font.Font(font_file, 32)
@@ -29,6 +35,10 @@ class SpaceScene(BaseScene):
         # 玩家更新，接收键盘输入与每帧间隔
         self.player.update(pygame.key.get_pressed(), dt)
 
+        # 行星位置更新
+        self._plants_update()
+
+        self.__show("加速：" + str(self.player.is_running))
         self.__show("加速：" + str(self.player.is_running))
 
     def handle_event(self, event):
@@ -39,7 +49,6 @@ class SpaceScene(BaseScene):
             if event.key == pygame.K_ESCAPE:
                 self.switch_to_scene("MainMenuScene")
 
-
     def __show(self, info, dest=(0, 0)):
         """
         显示调试文本
@@ -48,3 +57,23 @@ class SpaceScene(BaseScene):
             info = str(info)
         info_text = self.font.render(info, True, Color.white)
         self.screen.blit(info_text, dest)
+
+    def _plants_update(self):
+        for plant in self.plants:
+            dx = plant.x - GameConfig.window_x/2
+            dy = plant.y - GameConfig.window_y/2
+            r = math.sqrt(dx**2 + dy**2)
+            info = f"({round(plant.x,2)}, {round(plant.y,2)}), {round(r,2)}"
+
+            font_file = os.path.join(data_path(), "Dymon-ShouXieTi.otf")
+            pos_font = pygame.font.Font(font_file, 16)
+            text = pos_font.render(info, True, Color.white)
+            self.screen.blit(text, (plant.x, plant.y))
+            self._show_plant(plant)
+            self._show_track(plant)
+
+    def _show_plant(self, plant):
+        pygame.draw.circle(self.screen, Color.white, (plant.x, plant.y), plant.size)
+
+    def _show_track(self, plant):
+        pygame.draw.circle(self.screen, Color.white, (plant.center_x, plant.center_y), plant.r, 1)