feat(子弹系统): 添加扫帚系列子弹及相关资源

添加扫帚子弹、扫帚炮和扫帚回旋镖三种新子弹类型
包含子弹脚本、音效、动画和特效资源
修改EnergyBlock实体以支持新子弹的攻击逻辑
更新子弹基类添加销毁信号

scripts/Contents/Bullets/Broom.gd

@@ -0,0 +1,5 @@
+extends BulletBase
+class_name BroomBullet
+
+func ai():
+	PresetBulletAI.lockLauncher(self , launcher, true)

scripts/Contents/Bullets/Broom.gd.uid

@@ -0,0 +1 @@
+uid://b7bstudbunlxr

scripts/Contents/Bullets/BroomBoomerang.gd

@@ -0,0 +1,8 @@
+extends BulletBase
+class_name BroomBoomerangBullet
+
+func ai():
+	PresetBulletAI.forward(self , rotation)
+	speed -= 0.5
+	if speed < 0 && position.distance_to(launcher.position) < 100:
+		tryDestroy()

scripts/Contents/Bullets/BroomBoomerang.gd.uid

@@ -0,0 +1 @@
+uid://k63hoju1eyd

scripts/Contents/Bullets/BroomGun.gd

@@ -0,0 +1,7 @@
+extends BulletBase
+class_name BroomGun
+
+func shake():
+	CameraManager.shake(2000, 200)
+func ai():
+	PresetBulletAI.trace(self , launcher.currentFocusedPosition, 0.05)

scripts/Contents/Bullets/BroomGun.gd.uid

@@ -0,0 +1 @@
+uid://cuu5b0gibd054