feat(子弹): 调整子弹属性和添加粒子效果

- 提高FireScan子弹的速度和伤害
- 修改Chick角色的攻击距离判定
- 调整ChickLaser的碰撞区域位置
- 将FireScan的碰撞形状改为矩形
- 为Diamond子弹添加粒子效果系统

scripts/Contents/Characters/Chick.gd

@@ -14,9 +14,9 @@ func register():
 
 func ai():
 	move(currentFocusedBoss.position - position)
-	if currentFocusedBoss.position.distance_to(position) < 200:
+	if currentFocusedBoss.position.distance_to(position) < 300:
 		tryAttack(2)
-	elif currentFocusedBoss.position.distance_to(position) < 500:
+	elif currentFocusedBoss.position.distance_to(position) < 700:
 		tryAttack(1)
 	else:
 		tryAttack(0)