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The ARENA
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First Time in the ARENA
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Scenes
Objects
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Animations and Morphs
Python API
arena.arena_mqtt
arena.attributes
arena.attributes.animation
arena.attributes.animation_mixer
arena.attributes.armarker
arena.attributes.attribute
arena.attributes.attribution
arena.attributes.blip
arena.attributes.box_collision_listener
arena.attributes.click_listener
arena.attributes.color
arena.attributes.data
arena.attributes.data_event
arena.attributes.dynamic_body
arena.attributes.gltf_model_lod
arena.attributes.gltf_morph
arena.attributes.goto_landmark
arena.attributes.goto_url
arena.attributes.impulse
arena.attributes.jitsi_video
arena.attributes.landmark
arena.attributes.material
arena.attributes.material_extras
arena.attributes.model_update
arena.attributes.multisrc
arena.attributes.position
arena.attributes.remote_render
arena.attributes.rotation
arena.attributes.scale
arena.attributes.shadow
arena.attributes.sound
arena.attributes.spe_particles
arena.attributes.static_body
arena.attributes.textinput
arena.attributes.translate
arena.attributes.video_control
arena.auth
arena.base_object
arena.device
arena.env
arena.event_loop
arena.event_loop.async_worker
arena.event_loop.asyncio_mqtt
arena.event_loop.event_loop
arena.event_loop.lazy_worker
arena.event_loop.persistent_worker
arena.event_loop.single_worker
arena.event_loop.worker
arena.events
arena.events.event
arena.objects
arena.objects.arena_object
arena.objects.arenaui_button_panel
arena.objects.arenaui_card
arena.objects.arenaui_prompt
arena.objects.box
arena.objects.camera
arena.objects.capsule
arena.objects.circle
arena.objects.cone
arena.objects.cube
arena.objects.cylinder
arena.objects.dodecahedron
arena.objects.entity
arena.objects.gaussian_splatting
arena.objects.gltf_model
arena.objects.hand_left
arena.objects.hand_right
arena.objects.icosahedron
arena.objects.image
arena.objects.light
arena.objects.line
arena.objects.obj_model
arena.objects.ocean
arena.objects.octahedron
arena.objects.pcd_model
arena.objects.plane
arena.objects.program
arena.objects.ring
arena.objects.roundedbox
arena.objects.sphere
arena.objects.tetrahedron
arena.objects.text
arena.objects.thickline
arena.objects.threejs_scene
arena.objects.torus
arena.objects.torus_knot
arena.objects.triangle
arena.objects.urdf_model
arena.objects.videosphere
arena.scene
arena.scripts
arena.scripts.arena_py_permissions
arena.scripts.arena_py_pub
arena.scripts.arena_py_signout
arena.scripts.arena_py_sub
arena.scripts.arena_py_token
arena.topics
arena.utils
arena.utils.arena_telemetry
arena.utils.cmd_interpreter
arena.utils.mqtt
arena.utils.program_info
arena.utils.utils
Unity Library
Editor
Models
Runtime
Build
Objects
Headless CLI
ARENA Objects
Object Definitions Reference
ARENA A-Frame Components
ARENA A-Frame Systems
PubSub Messages
Rendering Support
Objects Schema
3D Gaussian Splat
ARENAUI Button Panel
ARENAUI Card Panel
ARENAUI Prompt
ARMarker
Animation
Animation Mixer
Attribution
Blip Effect
Box
Box Collision Listener
Camera
Camera Override
Capsule
Circle
Click Listener
Cone
Cube (deprecated; don't use)
Cylinder
Dodecahedron
Entity (generic object)
Environment Presets
Event
GLTF Model
GLTF Model Level of Detail
GLTF Model Update
GLTF Morph
Geometry
Goto Landmark
Goto URL
Hand
Icosahedron
Image
Impulse
Jitsi Video
Landmark
Light
Line
Material
Material extras
Multi Source
OBJ Model
Ocean
Octahedron
PCD Model
Physics Dynamic Body
Physics Static Body
Plane
Position
Post-Processing Effects
Program
Program Data
Remote Render
Renderer Settings
Ring
Rotation
Rounded Box
SPE Particles
Scale
Scene Config
Scene Options
Shadow
Sound
Sphere
Tetrahedron
Text
Text Input
Thickline
Three.js Scene
Torus
Torus Knot
Triangle
UI Panel
URDF Model
User Avatar
Vector2
Vector3
Video
Videosphere
Architecture
ARENA Scenes
Cross Platform Support
ATLAS and Anchoring to Reality
Access Control
Persistence DB
ARENA Runtime
Security
Tools
Authoring Program
Import/Export Scenes
Connectivity Graph
Poster Sessions
Contributing
Migration
Troubleshooting
Source and Links
The ARENA
CMU
Contact
Slack
GitHub
ARENA Objects
Objects Schema
Scale
Scale
3D object scale.
Scale Attributes
Attribute
Type
Default
Description
Required
x
number
1
x
Yes
y
number
1
y
Yes
z
number
1
z
Yes