feat: 添加新武器彩虹旗和紫水晶簇，调整饲料属性和数值

refactor: 重构子弹生成逻辑，支持分裂和折射效果

fix: 修复掉落物拾取范围和碰撞检测问题

style: 优化UI显示，添加武器品质和类型标签

docs: 更新字段描述，调整部分饲料名称和分类

perf: 优化数学工具函数，添加随机数处理工具

test: 调整波次生成逻辑，添加新敌人类型

build: 添加新资源文件和相关导入配置

scripts/Contents/Characters/Rooster.gd

@@ -24,7 +24,7 @@ func ai():
 func attack(type):
 	if type == 0:
 		var weaponPos = findWeaponAnchor("normal")
-		return BulletBase.generate(preload("res://components/Bullets/PurpleCrystal.tscn"), self, weaponPos, (get_global_mouse_position() - weaponPos).angle())
+		BulletBase.generate(preload("res://components/Bullets/LGBTBullet.tscn"), self, weaponPos, deg_to_rad(randf_range(0, 360)))
 	elif type == 1:
 		var weaponPos = findWeaponAnchor("normal")
 		return BulletBase.generate(preload("res://components/Bullets/BigLaser.tscn"), self, weaponPos, (get_global_mouse_position() - weaponPos).angle())