天气系统完成

GameManager/WeatherSystem.gd

@@ -0,0 +1,51 @@
+extends Node2D
+
+@onready var cherry_blossom_rain: Node2D = $CherryBlossomRain #栀子花雨
+@onready var gardenia_rain: Node2D = $GardeniaRain #樱花雨
+@onready var willow_leaf_rain: Node2D = $WillowLeafRain #柳叶雨
+@onready var rain: GPUParticles2D = $Rain #下雨
+@onready var snow: GPUParticles2D = $Snow #下雪
+
+# 天气系统
+# 要显示哪种天气直接调用相应天气的show()然后一并隐藏其他天气hide()
+
+# 设置天气的统一方法
+func set_weather(weather_type: String):
+	# 先隐藏所有天气效果
+	hide_all_weather()
+	
+	# 根据天气类型显示对应效果
+	match weather_type:
+		"clear", "stop":
+			# 晴天或停止天气 - 所有天气效果都隐藏
+			pass
+		"rain":
+			if rain:
+				rain.show()
+		"snow":
+			if snow:
+				snow.show()
+		"cherry":
+			if cherry_blossom_rain:
+				cherry_blossom_rain.show()
+		"gardenia":
+			if gardenia_rain:
+				gardenia_rain.show()
+		"willow":
+			if willow_leaf_rain:
+				willow_leaf_rain.show()
+		_:
+			print("未知的天气类型: ", weather_type)
+
+# 隐藏所有天气效果
+func hide_all_weather():
+	if cherry_blossom_rain:
+		cherry_blossom_rain.hide()
+	if gardenia_rain:
+		gardenia_rain.hide()
+	if willow_leaf_rain:
+		willow_leaf_rain.hide()
+	if rain:
+		rain.hide()
+	if snow:
+		snow.hide()