Uuv_simulator: <neutrally_buoyant>ํƒœ๊ทธ๋Š” ์•„๋ฌด๊ฒƒ๋„ ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.</neutrally_buoyant>

์— ๋งŒ๋“  2017๋…„ 07์›” 14์ผ  ยท  23์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: uuvsimulator/uuv_simulator

์•ˆ๋…•ํ•˜์‹ญ๋‹ˆ๊นŒ,

UUV Sim์—์„œ ์ฐจ๋Ÿ‰์„ ๊ตฌํ˜„ํ•˜๋ ค๊ณ  ํ•˜๊ณ  ์žˆ์œผ๋ฉฐ ์ฐจ๋Ÿ‰์„ ๋„์šฐ๋ ค๊ณ  ํ•˜๊ณ  ๊ทธ๋ฆผ๊ณผ ๊ฐ™์ด <neutrally_buoyant>1</neutrally_buoyant> ํƒœ๊ทธ๋„ ์„ค์ •ํ–ˆ์ง€๋งŒ ์—…๋กœ๋“œ๋˜๋Š” ์ˆœ๊ฐ„ ์ฐจ๋Ÿ‰์ด ๊ณ„์† ๊ฐ€๋ผ์•‰์Šต๋‹ˆ๋‹ค. ์ด ์ฐจ๋Ÿ‰์ด ์ค‘๋ฆฝ์ ์œผ๋กœ ๋˜๋Š” ๊ธ์ •์ ์œผ๋กœ ๋ถ€๋ ฅ์„ ๊ฐ–๊ฒŒ ํ•˜๋Š” ๋ฐ ๋„์›€์ด ๋  ์ˆ˜ ์žˆ๋Š” ์กฐ์–ธ์ด ์žˆ์Šต๋‹ˆ๊นŒ?

๋ชจ๋“  23 ๋Œ“๊ธ€

์•ˆ๋…•ํ•˜์„ธ์š”,

์ œ๋ณด ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค ํ™•์ธํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค. ํ•œํŽธ, rexrov ๋ชจ๋ธ https://github.com/usuvsimulator/uuv_simulator/ ์—์„œ์™€ ๊ฐ™์ด neutrally_buoyant ํ”Œ๋ž˜๊ทธ๋ฅผ 0์œผ๋กœ ์„ค์ •ํ•˜๊ณ  ๋Œ€์‹  ๋ณผ๋ฅจ์„ ์„ค์ •ํ•˜๋ฉด ์ฐจ๋Ÿ‰์— ๊ธ์ •์ ์ธ ๋ถ€๋ ฅ์„ ๊ฐ€์งˆ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์–ผ๋ฃฉ/๋งˆ์Šคํ„ฐ/uuv_descriptions/models/rexrov/urdf/rexrov.gazebo.xacro#L32.
๊ทธ๋Ÿฐ ๋‹ค์Œ ๋ถ€ํ”ผ๋Š” ๋ถ€๋ ฅ ๋ฒกํ„ฐ๋ฅผ ๊ณ„์‚ฐํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.

์•ˆ๋…•ํ•˜์‹ญ๋‹ˆ๊นŒ,

๋ณผ๋ฅจ์„ ์ƒ๋‹นํžˆ ํฌ๊ฒŒ ์„ค์ •ํ•˜๋ ค๊ณ  ํ–ˆ์Šต๋‹ˆ๋‹ค. rexrov ๋งŒํผ ํฌ์ง€ ์•Š๊ณ  ์—ฌ์ „ํžˆ ๊ฐ€๋ผ์•‰๊ณ  ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค. ๋‚˜๋Š” ๊ทธ๊ฒƒ์„ ์‹œ๋„ํ•˜๊ณ  ๋‹น์‹ ์—๊ฒŒ ๋‹ค์‹œ ๋Œ์•„์˜ฌ ๊ฒƒ์ด์ง€๋งŒ, ๋‚˜๋Š” ๊ทธ๊ฒƒ์ด ๋œจ๋„๋ก ๊ฐ•์ œํ•˜๊ธฐ ์œ„ํ•ด ๋‚˜์˜ ๋ถ€ํ”ผ๋ฅผ ๋†’์ด๊ณ  ๋‚˜์˜ ์งˆ๋Ÿ‰์„ ๋‚ฎ์ถ”๋ ค๊ณ  ๋…ธ๋ ฅํ–ˆ์Šต๋‹ˆ๋‹ค. ๊ทธ๋ž˜๋„ ์ž ์‹œ ํ›„์— ๊ฒฐ๊ณผ๋ฅผ ์•Œ๋ ค ๋“œ๋ฆฌ๊ฒ ์Šต๋‹ˆ๋‹ค.

๊ทธ๋ž˜์„œ ๋ณผ๋ฅจ์„ 3.1093918 m3 ํ•˜๊ณ  ์งˆ๋Ÿ‰์„ 0.123497 ํ–ˆ๋Š”๋ฐ ๋‚ด ์ฐจ๋Ÿ‰์€ ์—ฌ์ „ํžˆ โ€‹โ€‹๊ฐ€๋ผ์•‰์•˜์Šต๋‹ˆ๋‹ค. ๋ณผ๋ฅจ์— ๋Œ€ํ•ด rexrov ์„ค์ •ํ•œ ๊ฐ’๊ณผ ์ •ํ™•ํžˆ ์ผ์น˜ํ•˜๋„๋ก ์„ค์ •ํ•˜๊ณ  <box> ํƒœ๊ทธ๋ฅผ rexrov ๋ฐ ์œ ์ฒด ์—ญํ•™ ๋ชจ๋ธ๋กœ ์„ค์ •ํ•˜๋ ค๊ณ  ํ•  ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค. . ๊ทธ๋ž˜์„œ ์–ด๋””์—์„œ ๋ฌธ์ œ๋ฅผ ํ™•์ธํ•ด์•ผ ํ•˜๋Š”์ง€ ๋ชจ๋ฅด๊ฒ ์Šต๋‹ˆ๋‹ค.

<neutrally_buoyant>0</neutrally_buoyant> ์„ ์„ค์ •ํ•˜์…จ์Šต๋‹ˆ๊นŒ?

@musamarcusso <neutrally_buoyant> ์„ 0 ๋ฐ 1 ์„ค์ •ํ•˜๋ ค๊ณ  ํ–ˆ์Šต๋‹ˆ๋‹ค. ์‹ค์ œ ๋ณ€ํ™”๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค.

@atomoclast๋‹˜ , ์ด ์ฐจ๋Ÿ‰์„ ๋ชจ๋ธ๋งํ•˜๊ณ 

http://www.videoray.com/images/specsheets/2016/2016_P4STANDARDBASE_FINAL.pdf

์ด๊ฒƒ์„ ์žฌํ˜„ํ•˜๊ธฐ ์œ„ํ•ด ์—ฌ๊ธฐ์—์„œ ์ด๋Ÿฌํ•œ ๋งค๊ฐœ๋ณ€์ˆ˜๋ฅผ ๊ต์ฒดํ•˜๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค.

@musamarcusso ๋„ค, ์ œ๊ฐ€ ๋ชจ๋ธ๋งํ•˜๋ ค๋Š” ์ฐจ๋Ÿ‰์ž…๋‹ˆ๋‹ค.

ํ•„์š”ํ•œ ๊ฒฝ์šฐ ๋ฉ”์‰ฌ ํŒŒ์ผ์ด ์žˆ์Šต๋‹ˆ๋‹ค.

๋ฐฉ๊ธˆ ๋‚ด๊ฐ€ ์ดํ•ดํ•˜๋Š” ๋ถ€๋ ฅ ํ”Œ๋Ÿฌ๊ทธ์ธ์œผ๋กœ ํ…Œ์ŠคํŠธ ์ƒ์ž๋ฅผ ์‹œ์ž‘ํ•˜๋ ค๊ณ  ์‹œ๋„ํ–ˆ์œผ๋ฉฐ neutrally_buoyant ํƒœ๊ทธ๋ฅผ 0 ๋กœ ์„ค์ •ํ•˜๊ณ  1 ๋ฐ ์ƒ์ž๋ฅผ ๋ชจ๋‘ ์‚ฌ์šฉํ•˜์—ฌ ์‹œ๋„ํ–ˆ์Šต๋‹ˆ๋‹ค. ์—ฌ์ „ํžˆ ๋‘ ๋ฒˆ ์นจ๋ชฐํ–ˆ๋‹ค. ๋˜ํ•œ [Wrn] [UnderwaterObjectPlugin.cc:207] Relative angular acceleration is invalid -nan ์˜ค๋ฅ˜๋ฅผ ๊ณ„์†ํ•ด์„œ ์ธ์‡„ํ•˜๊ณ  ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.

๊ฒ€ํ† ํ•  ์ˆ˜ ์žˆ๋„๋ก ์•„๋ž˜์— ๋‘ ํŒŒ์ผ์ด ์žˆ์Šต๋‹ˆ๋‹ค. ๋ฌธ์ œ๊ฐ€ ๋ฌด์—‡์ธ์ง€ ํ™•์‹คํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ๋Œ“๊ธ€์— ์˜ฌ๋ฆด ์ˆ˜ ์žˆ๋„๋ก .txt ํ™•์žฅ์ž๋ฅผ ์ถ”๊ฐ€ํ–ˆ์Šต๋‹ˆ๋‹ค.

box.urdf.txt
upload_box.launch.txt

Relative angular acceleration is invalid ์˜ค๋ฅ˜๊ฐ€ ํ‘œ์‹œ๋˜๋Š” ์ฆ‰์‹œ UnderwaterObjectPlugin์€ ๋” ์ด์ƒ ํž˜์ด๋‚˜ ํ† ํฌ๋ฅผ ์ ์šฉํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ์ด๋Š” ๋ฌผ๋ฆฌ ์—”์ง„์ด ๊ณ ์žฅ๋‚ฌ์Œ์„ ๋‚˜ํƒ€๋‚ด๋Š” ๋ถ„๋ช…ํ•œ ์ง€ํ‘œ์ด๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.

๋‚˜๋Š” ๋‹น์‹ ์˜ ์ƒ์ž ์ •์˜๋ฅผ ๋ณด์•˜์Šต๋‹ˆ๋‹ค.

<inertia ixx="0" ixy="0" ixz="0" iyy="0" iyz="0" izz="0" />

์ด๊ฒƒ์ด ๋ฒ”์ธ์ด๋‹ค. ๊ฐ•์ฒด ๋Š” ๊ด€์„ฑ ๋ชจ๋ฉ˜ํŠธ ๋‚˜ ์งˆ๋Ÿ‰์ด 0์ด์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. Gazebo๊ฐ€ ํž˜/ํ† ํฌ๋กœ๋ถ€ํ„ฐ ๊ฐ€์†๋„๋ฅผ ๊ณ„์‚ฐํ•˜๋Š” ๋ฐฉ์‹ ๋•Œ๋ฌธ์—, ์ด๊ฒƒ์€ 0์œผ๋กœ ๋‚˜๋ˆ„๋Š” ๊ฒฐ๊ณผ๋ฅผ ์ดˆ๋ž˜ํ•  ๊ฒƒ์ž…๋‹ˆ๋‹ค.

๋ฌธ์ œ๊ฐ€ ํ•ด๊ฒฐ๋˜๋Š”์ง€ ์•Œ๋ ค์ฃผ์‹ญ์‹œ์˜ค.

@sebastianscherer ๊ทธ๊ฒƒ์€ ์™„๋ฒฝํ•œ ์˜๋ฏธ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค. ๋ฐฉ๊ธˆ ๊ธฐ๋ณธ ํƒ€์›์ฒด๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋‚ด ์ฐจ๋Ÿ‰์˜ ๊ด€์„ฑ์„ ์ถ”์ •ํ–ˆ์œผ๋ฉฐ ํ˜„์žฌ ๋ถ€๋™ ์ƒํƒœ์ž…๋‹ˆ๋‹ค.

Thruster ํ”Œ๋Ÿฌ๊ทธ์ธ์„ ์•Œ์•„๋‚ด๋Š” ๊ฒƒ! ๋‚˜๋„ ๊ฑฐ๊ธฐ์— ๋ช‡ ๊ฐ€์ง€ ๋ฌธ์ œ๊ฐ€ ์žˆ์–ด์š”.

์ „๋ง๋Œ€ ํ„ฐ๋ฏธ๋„์—์„œ ๋‹ค์Œ์„ ๋ด…๋‹ˆ๋‹ค.

[Msg] Thruster #0 initialized
[Msg]   - Link: videoray_pro4/thruster_0
[Msg]   - Robot model: videoray_pro4
[Msg]   - Input command Gazebo topic: /videoray_pro4/thrusters/0/input
[Msg]   - Thrust output Gazebo topic: /videoray_pro4/thrusters/0/thrust
[Msg] Thruster #1 initialized
[Msg]   - Link: videoray_pro4/thruster_1
[Msg]   - Robot model: videoray_pro4
[Msg]   - Input command Gazebo topic: /videoray_pro4/thrusters/1/input
[Msg]   - Thrust output Gazebo topic: /videoray_pro4/thrusters/1/thrust
[Msg] Thruster #2 initialized
[Msg]   - Link: videoray_pro4/thruster_2
[Msg]   - Robot model: videoray_pro4
[Msg]   - Input command Gazebo topic: /videoray_pro4/thrusters/2/input
[Msg]   - Thrust output Gazebo topic: /videoray_pro4/thrusters/2/thrust
[Msg] JointStatePublisher::robotNamespace=videoray_pro4

์ถ”์ง„๊ธฐ ํ„ฐ๋ฏธ๋„์—์„œ ๋‹ค์Œ์„ ๋ด…๋‹ˆ๋‹ค.

process[videoray_pro4/thruster_allocator-1]: started with pid [26422]
[INFO] [1500390755.909692, 0.000000]: ThrusterManager::update_rate=50
output_dir= /home/andrew/Development/ underwater_ws/install/share/videoray_description/config/videoray_pro4
ThrusterManager: updating thruster poses
conversion_fcn= proportional
conversion_fcn_params= {'gain': 0.00031}
transform: /videoray_pro4/base_link -> /videoray_pro4/thruster_0
could not get transform from: /videoray_pro4/base_link
to: /videoray_pro4/thruster_0
[]

๋ฐฉ๊ธˆ rosrun tf view_frames ์‹คํ–‰ํ–ˆ๋Š”๋ฐ ์ด๊ฒƒ์ด ์ถœ๋ ฅ์ด์—ˆ์Šต๋‹ˆ๋‹ค. ๋‚˜๋Š” TF ํŠธ๋ฆฌ๊ฐ€ base_link์™€ ์ถ”์ง„๊ธฐ ์‚ฌ์ด์˜ ๋ณ€ํ™˜์„ ๋ณด์—ฌ์ฃผ๋Š” ๊ฒƒ์„ ๋ด…๋‹ˆ๋‹ค...
ํ”„๋ ˆ์ž„.pdf

world์™€ ์ฐจ๋Ÿ‰์˜ base_link ์‚ฌ์ด์˜ ํ”„๋ ˆ์ž„์€ hector_localization ํŒจํ‚ค์ง€์˜ ์ผ๋ถ€์ธ message_to_tf ๋…ธ๋“œ์— ์˜ํ•ด ์ƒ์„ฑ๋ฉ๋‹ˆ๋‹ค. RexROV ๋ชจ๋ธ์˜ ๋Ÿฐ์น˜ ํŒŒ์ผ ์˜ˆ๋Š” ์ด์ชฝ

https://github.com/uuvsimulator/uuv_simulator/blob/master/uuv_descriptions/models/rexrov/launch/upload_rexrov_default.launch#L31

์‹œ์ž‘ ํŒŒ์ผ์— ์ด๊ฒƒ์„ ์–ด๋–ป๊ฒŒ ๋ช…์‹œํ–ˆ์Šต๋‹ˆ๊นŒ?

@musamarcusso ์œ„ํ‚ค ํŠœํ† ๋ฆฌ์–ผ์— ๋”ฐ๋ผ ๋‹ค์Œ๊ณผ ๊ฐ™์ด ๋ณ€ํ™˜์„ ํ˜ธ์ถœํ–ˆ์Šต๋‹ˆ๋‹ค.

<!-- Publish state and tf for in relation to the world frame -->
            <group ns="$(arg namespace)">
                <node name="ground_truth_to_tf" pkg="message_to_tf" type="message_to_tf" output="screen">
                    <param name="odometry_topic" value="/$(arg namespace)/pose_gt" />
                    <param name="frame_id" value="/$(arg world_frame)" />
                    <param name="tf_prefix" value="$(arg namespace)" />
                </node>
            </group>

์œ„์—์„œ ํ˜ธ์ถœํ•œ ๋ผ์ธ๊ณผ ๋‹ค๋ฅธ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. ๋‚˜๋Š” ์ง€๊ธˆ ๊ทธ๊ฒƒ์„ ์‹œ๋„ ํ•  ๊ฒƒ์ž…๋‹ˆ๋‹ค.

๋‹น์‹ ์ด ๋‚˜์—๊ฒŒ ๋ณด๋‚ธ ๋ธ”๋ก์„ ์ด๊ฒƒ์œผ๋กœ ๊ต์ฒดํ•ด ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๊นŒ?

<include file="$(find uuv_descriptions)/models/common/launch/message_to_tf.launch">
    <arg name="namespace" value="$(arg namespace)"/>
</include>

์ด ์ˆ˜์ • ์‚ฌํ•ญ์ด ์ž‘๋™ํ•˜๋ฉด ํŠœํ† ๋ฆฌ์–ผ์„ ์ฆ‰์‹œ ์ˆ˜์ •ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.

๋‚ด ๋ธ”๋ก์„ ๋‹น์‹ ์˜ ๋ธ”๋ก์œผ๋กœ ๊ต์ฒดํ•˜๋ ค๊ณ  ํ–ˆ์ง€๋งŒ ์ž‘๋™ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ๊ทธ๊ฒƒ์ด ์ž‘๋™ํ•˜๋Š” ์œ ์ผํ•œ ๋ฐฉ๋ฒ•์€ ๋‘ ๋ธ”๋ก์ด ํ•จ๊ป˜ ํ˜ธ์ถœ๋˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.

VelocityControllerNode: initializing node Thruster #0 - proportional - thrusters/0/input transform: /videoray_pro4/base_link -> /videoray_pro4/thruster_1 Thruster #1 - proportional - thrusters/1/input transform: /videoray_pro4/base_link -> /videoray_pro4/thruster_2 Thruster #2 - proportional - thrusters/2/input transform: /videoray_pro4/base_link -> /videoray_pro4/thruster_3 could not get transform from: /videoray_pro4/base_link to: /videoray_pro4/thruster_3 [<uuv_thrusters.models.thruster_proportional.ThrusterProportional object at 0x7efc4bdb8a50>, <uuv_thrusters.models.thruster_proportional.ThrusterProportional object at 0x7efc4bdb8c10>, <uuv_thrusters.models.thruster_proportional.ThrusterProportional object at 0x7efc4bd4c190>] TAM= [[ 1. 0. 0. ] [ 0. 0. 0. ] [ 0. 0.99999968 0.99999968] [ 0. 0.09999997 -0.09999997] [ 0.1 0.15249995 0.15249995] [ 0. 0. 0. ]] ThrusterManager: ready ThrusterManager: ready
์ด์ œ ์™œ ์Šค๋Ÿฌ์Šคํ„ฐ 3์—์„œ TF๋ฅผ ์–ป์„ ์ˆ˜ ์—†๋Š”์ง€ ์•Œ์•„์•ผ ํ•ฉ๋‹ˆ๋‹ค.

joy_velocity.launch ๋ฒ„์ „์„ ์‹œ์ž‘ํ•  ์ˆ˜ ์žˆ์ง€๋งŒ ์ปจํŠธ๋กค๋Ÿฌ๋กœ ์ฐจ๋Ÿ‰์„ ์ œ์–ดํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.

๋””๋ฒ„๊น…์„ ์‹œ๋„ํ–ˆ๊ณ  ๋…ธ๋“œ์˜ rqt_graph ์‹œ๊ฐํ™” ์ถœ๋ ฅ์„ ๋น„๊ตํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ์ด๊ฒƒ์€ ๋‚ด๊ฐ€๋ณด๊ณ ์žˆ๋Š” ๋‘ ๊ฐœ์˜ ๋„คํŠธ์›Œํฌ์ž…๋‹ˆ๋‹ค. ์ •ํ™•ํžˆ ์ž‘๋™ํ•˜์ง€ ์•Š๋Š” ์ด์œ ๋Š” ํ™•์‹คํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

videoray2
rexrov

๋ฐฉ๊ธˆ ๊นจ๋‹ฌ์€ ๋˜ ๋‹ค๋ฅธ ์—…๋ฐ์ดํŠธ:

Wiki๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์ด ๋งํ•ฉ๋‹ˆ๋‹ค. <xacro:property name="prop_mesh_file" value="file://$(find uuv_descriptions_example)/models/rov_example/mesh/propeller.dae"/>

<xacro:property name="prop_mesh_file" value="file://$(find uuv_descriptions)/models/rexrov/mesh/prop.dae"/> ์ด์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

์•ˆ๋…•ํ•˜์„ธ์š” @atomoclast ์ž…๋‹ˆ๋‹ค .

์•„๋‹ˆ์š”, ํŠœํ† ๋ฆฌ์–ผ์—์„œ ๋งž์Šต๋‹ˆ๋‹ค. ํŠœํ† ๋ฆฌ์–ผ์˜ ์˜ˆ์ œ๋Š” ๊ธฐ๋Šฅ ์˜ˆ์ œ๊ฐ€ ์•„๋‹ˆ๋ฏ€๋กœ ์ด README.md ๋ฅผ ๋ฉ”์‰ฌ ํด๋”์— ๋„ฃ์—ˆ์œผ๋ฏ€๋กœ ์ด prop_mesh_file ๋Š” ์ƒˆ ์ฐจ๋Ÿ‰ ๋ชจ๋ธ์„ ๋งŒ๋“œ๋Š” ์‚ฌ๋žŒ์ด ํŽธ์ง‘ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
joy_velocity ๋Š” XBox ์ปจํŠธ๋กค๋Ÿฌ ๋งคํ•‘์— ๋Œ€ํ•ด ๊ธฐ๋ณธ์ ์œผ๋กœ ์ •์˜๋ฉ๋‹ˆ๋‹ค. ๊ฐ€์ง€๊ณ  ๊ณ„์‹  ์ปจํŠธ๋กค๋Ÿฌ์˜ ๋ชจ๋ธ์€ ๋ฌด์—‡์ž…๋‹ˆ๊นŒ?
Github ์–ด๋”˜๊ฐ€์— ํŒŒ์ผ์ด ์žˆ์Šต๋‹ˆ๊นŒ? ์‹คํ–‰ํ•ด๋ณด๊ณ  ํ”ผ๋“œ๋ฐฑ์„ ๋“œ๋ฆด ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์•ˆ๋…•ํ•˜์„ธ์š” @musamarcusso ๋‹˜ , ์•„์ง ์ด ์žˆ์œผ์…จ๋‚˜์š” ?

์˜ˆ, ๋ณต์ œํ–ˆ์Šต๋‹ˆ๋‹ค. ์˜ค๋Š˜ ๋‚˜์ค‘์— ํ”ผ๋“œ๋ฐฑ ๋“œ๋ฆฌ๊ฒ ์Šต๋‹ˆ๋‹ค.

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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