ARENA Message Objects
Object Message
Description
ARENAUI Button Panel
ARENAUI element which displays a vertical or horizontal panel of buttons.
ARENAUI Card Panel
ARENAUI element which displays text and optionally an image.
ARENAUI Prompt
ARENAUI element which displays prompt with button actions.
Box
Box Geometry.
Camera Override
Capsule
Capsule Geometry.
Circle
Circle Geometry.
Cone
Cone Geometry.
Cube (deprecated; don’t use)
Cube (=Box) Geometry (deprecated); Supported for Legacy reasons; Please use Box in new scenes
Cylinder
Cylinder Geometry.
Dodecahedron
Dodecahedron Geometry.
Entity (generic object)
Entities are the base of all objects in the scene. Entities are containers into which components can be attached.
Event
Generate an event message for an object.
Gaussian Splat
Load a 3D Gaussian Splat for Real-Time Radiance Field Rendering. More information: A-Frame Gaussian Splatting . See guidance to store paths under ARENA File Store, CDN, or DropBox .
GLTF Model
Load a GLTF model. Besides applying standard rotation and position attributes to the center-point of the GLTF model, the individual child components can also be manually manipulated. See format details in the modelUpdate data attribute. See guidance to store paths under ARENA File Store, CDN, or DropBox .
Hand
Hand is the (left or right) hand metadata pose and controller type of the user avatar.
Hand
Hand is the (left or right) hand metadata pose and controller type of the user avatar.
Icosahedron
Icosahedron Geometry.
Image
Display an image on a plane. See guidance to store paths under ARENA File Store, CDN, or DropBox .
Light
A light. More properties at A-Frame Light .
Line
Draw a line.
Camera Override
OBJ Model
Loads a 3D model and material using a Wavefront (.OBJ) file and a .MTL file. See guidance to store paths under ARENA File Store, CDN, or DropBox .
Ocean
Flat-shaded ocean primitive.
Octahedron
Octahedron Geometry.
PCD Model
Load a PCD model. Format: Point Clouds . See guidance to store paths under ARENA File Store, CDN, or DropBox .
Plane
Plane Geometry.
Program
Ring
Ring Geometry.
Rounded Box
Rounded Box Geometry.
Scene Config
Sphere
Sphere Geometry.
Camera Override
Tetrahedron
Tetrahedron Geometry.
Text
Display text. More properties at A-Frame Text .
Thickline
Draw a line that can have a custom width.
Three.js Scene
Load a Three.js Scene. Could be THREE.js version-specific; you can see the THREE.js version in the JS console once you open ARENA; using glTF is preferred. Format: THREE.js Scene . See guidance to store paths under ARENA File Store, CDN, or DropBox .
Torus
Torus Geometry.
Torus Knot
Torus Knot Geometry.
Triangle
Triangle Geometry.
URDF Model
Load a URDF model. See guidance to store paths under ARENA File Store, CDN, or DropBox .
Videosphere
Videosphere Geometry.