Scene types

210 pages.

Name	Summary
Aabb
AnimEvent
AnimIk
AnimLayer	A playback layer over the animator's state machine, on the masked bones: an upper-body action over locomotion, or an additive lean.
AnimLookAt
AnimLookAtLimits
AnimOnce
AnimParam
AnimParamSource	A fact the engine already has, written into this parameter every tick before the animator samples.
AnimPelvis
AnimRetarget
AnimSpeedParam
AnimState
AnimTransition
AssetImport
AssetProvenance
AssetRef
AssetSkeleton
AudioAsset
AudioBus
AudioBusState
AudioEffects
AudioLayer
AudioMusic
AudioSnapshot
BlendPoint
BlendTree
BuoyancyProbe	One cell of a floating body's hull: its centre in the body's local space, its volume and its height.
CameraBlend
CameraRigSettings
Entity
FoliagePrototype	One kind of plant in a foliage layer: the `instancedMesh` child that holds its instances and how a brush places them.
HudLayout
InputAction
JointMotor
LayerDef
LockAxes
NavAutoLinks
OceanBathymetry	The ground under the sea, as a 16-bit height raster.
OceanLook	The sea's look: render only, never part of a replay or a physics hash.
OceanShore	Shoreline controls: shoaling and the breaker index shape the waves the CPU sea sees; the rest are render only.
OceanWaveLayer	One layer of the sea: a fully developed wind sea or a swell train, with a direction and a spread.
OceanWaveMask	A painted scale on the waves over a world rectangle (a calm harbour, a rough patch).
OceanWeatherKey	A sea state at a moment of simulation time, as a Beaufort force or explicit layers.
PhysicsMaterial	What a collider is made of: its friction, its bounce and, for a character standing on it, how steep it may be before it is slid down.
PhysicsQualityOverrides
PhysicsSleep
PrefabInstance
RenderAo	Optional contact ambient occlusion on the standard renderer: darkens the scene where surfaces meet (a prop on the ground, a wall's foot, a kart over the road), from the depth buffer.
RenderBloom	Optional bloom on the standard renderer: a soft glow around bright pixels (emissive surfaces, the sun on metal).
RenderExposureAdaptation	Partial adaptation of HD's auto exposure: how far a dark scene is brightened.
RenderLook	The scene's colour grade: a look preset and overrides on top of it.
RenderScreenEffect	One full-screen effect of a scene: a `kind: post` shader and the values for its params and textures.
ScanCut
ScanRuler
ScanSettings
Scene
SceneAir	The scene's air: its density (the buoyancy of bodies out of the water) and its wind (what their dry probes are dragged against).
SceneAudio
SceneBudgets
SceneEnvironment
SceneFog
SceneFogHd
SceneGi	The scene's global controls of HD's ray-traced GI (`meta.environment.gi`).
SceneInput
SceneMeta
SceneNav
SceneOcean	The scene's sea: one unbounded ocean at `seaLevel`.
SceneOutliner
ScenePhysics	Physics quality: a preset plus per-field overrides.
ScenePlayers	Local players: how many seats, how devices take them, and who the keyboard belongs to.
SceneRender
SceneSky
SceneUi	The game UI this scene asks for.
SceneWind	The scene's wind: a steady speed along a bearing plus optional seeded gusts, a pure function of position and simulation time.
Shot	One shot of a timeline: a move, where it looks, a field of view, and how it blends in from the previous shot.
ShotKey	One keyframe of a path shot: a time, an eye position, and optionally a field of view and an ease.
ShotPoint	Where a shot looks, or what an orbit circles: a world point or an entity (read every sample), plus an offset.
ShotTimeline	Cinematic camera shots as data, played on sim time so recordings are reproducible.
SkyAtmosphere
SkyBackground	What the sky looks like behind the scene, apart from what it lights: the standard renderer draws these colours in place of the sky's own drawing; HD draws its own sky.
SkyClouds
SkySun
SpringChain	One chain of bones swung by springs.
SpringCollider	A sphere or capsule that follows a bone and keeps spring tails out of it.
SpriteAnimation
SpriteFrame
SpriteView
TerrainGroundCover	Grass, flowers and forest-floor cover a terrain grows near the camera in HD, dense where the terrain's channels or layers say and coloured by the ground under it.
TerrainMaterialRule	One rule of `material.rules`: a layer to weight, and where.
TerrainTileRef	A sculpt or paint op's reference to one cell's delta tile, named by the SHA-256 of its bytes.
TerrainVolumePart	One solid of a volume.shape op and how it combines with the parts before it, in order.
TerrainWhere	A filter on height, slope and named channels, with a soft edge, choosing where a material rule applies.
TilemapLayer
TilemapTileset
TouchBinding	The touch source an action reads: a screen region and what a finger in it does.
TouchRegion	A rectangle of the screen in normalised coordinates (0..1 on each axis, origin top left), so one region fits every resolution and orientation.
Transform
VehicleAero
VehicleAssists
VehicleBrakes
VehicleChassis
VehicleContact	Contact handling: a wall hit at a glance slides along it keeping its speed, a head-on one keeps some, with no yaw kick and the nose turned along the wall; a low lip is hopped; a bump from another moving body is capped.
VehicleDrift	Arcade drift: with this block, holding the `handbrake` input while steering above `minSpeed` drops the rear lateral grip and a yaw assist holds a controllable slide angle that steering modulates; releasing pays a boost proportional to the drift's duration.
VehicleDriftBoostTier	One mini-boost tier: the longest tier whose `time` the drift charge reached is the one earned on release.
VehicleDrivetrain
VehicleEngine
VehicleHandling	Arcade handling guard: no spins from steering, no pivoting at low speed, a reverse speed limit.
VehicleOffRoad	Off road is slower, not a spin: with wheels on an off-road surface the vehicle is dragged back toward a lower top speed, its handling guard is calmer, and (with a road) its nose turns gently back toward the road.
VehicleRecovery	Automatic recovery: a vehicle flipped, stuck, fallen out of the world or drowned is put back where it can go on, and `vehicle-recovered` { entity, why, from, position } is raised (`from`: where it was before the move).
VehicleSteering	Steering geometry and feel.
VehicleSuspension
VehicleTyres
VehicleWater	Water handling: the vehicle floats by the `buoyancy` component on its body and is pushed and steered through the water by the same `throttle`, `brake` (reverse thrust) and `steer` as on land.
VehicleWaterKeel	A keel: resistance to sliding sideways through the water, so the hull carves a turn instead of skidding, and optionally to heaving up and down.
VehicleWaterPlaning	Planing: hydrodynamic lift on the hull's bottom rising with speed, so a fast hull rises out of the water and the water's drag on it (the `buoyancy` drag, which acts on the submerged hull) falls.
VehicleWaterRudder	A rudder: a side force at its point, growing with the square of the speed through the water.
VehicleWaterThruster	One thruster of a vehicle's `water` handling.
WaterwaysLook	Render only; never part of a replay or a physics hash.
WaterwaysOverride	A per-id override of one river, waterfall or lake of the terrain's hydrology: its look, its flow speed, or hiding it.

AnimClipOrder

Since 0.6

Type: "sequence" | "random"

Values

sequence
random

AnimSync

Since 0.6

Type: "phase" | "markers"

Values

phase
markers

AssetKind

Since 0.6; changed in 0.7

Values

glb
texture
material
audio
envmap
splat
shader
effect
visemes

AtmospherePreset

Since 0.6

Type: "earth-clear" | "hazy" | "polluted" | "stylised"

Values

earth-clear
hazy
polluted
stylised

AudioRolloff

Since 0.6

Type: "linear" | "inverse" | "log"

Values

linear
inverse
log

Axis

Since 0.6

Type: "Y" | "Z" | "-Y" | "-Z" | "X" | "-X"

Values

Y
Z
-Y
-Z
X
-X

BlendKind

Since 0.6

Type: "linear" | "cartesian"

Values

linear
cartesian

BodyKind

Since 0.6

Type: "static" | "dynamic" | "kinematic"

Values

static
dynamic
kinematic

CameraEase

Since 0.6

Type: "linear" | "smoothstep" | "ease-in" | "ease-out"

Values

linear
smoothstep
ease-in
ease-out

CameraKind

Since 0.6

Type: "first-person" | "third-person" | "fixed" | "orbit"

Values

first-person
third-person
fixed
orbit

CameraOutput

Since 0.6

Type: "screen" | "overlay" | "viewport"

Values

screen
overlay
viewport

CameraProjection

Since 0.6

Type: "perspective" | "orthographic"

Values

perspective
orthographic

CloudPreset

Since 0.6

Type: "clear" | "fair" | "broken" | "overcast" | "storm"

Values

clear
fair
broken
overcast
storm

ColliderMode

Since 0.7

How a mesh that collides as itself collides.

"full": as its mesh (the asset's convex hulls when it carries them, a convex built-in's own hull, else its triangles). "simple": a capsule: a generated plant's own trunk capsule (its glb's extras.flora.collider) when it carries one, else an upright capsule around the model's bounds. "none": no collider, so bodies pass through it. Set on the mesh (mesh.colliderMode), the asset (assets.<id>.colliderMode) or the scene (meta.physics.colliderMode); the most specific wins. Unset everywhere: "simple" for a generated plant (a glb carrying extras.flora), "full" for anything else.

Type: "simple" | "full" | "none"

Values

simple
full
none

ColliderShape

Since 0.6

Type: "box" | "sphere" | "capsule" | "trimesh" | "hulls"

Values

box
sphere
capsule
trimesh
hulls

ControllerInputBasis

Since 0.6

Type: "world" | "controller" | "camera"

Values

world
controller
camera

ControllerInputMode

Since 0.6

Type: "auto" | "script"

Values

auto
script

ControllerKind

Since 0.6

Type: "player"

Values

player

FogMode

Since 0.6

Type: "height" | "exponential" | "linear"

Values

height
exponential
linear

FogPreset

Since 0.7

A named fog for meta.environment.fog.preset: light-haze (a faint haze, visibility 30 km), valley-mist (6 km, pooling in valleys), morning-mist (3 km, low to the ground), dense (500 m) or aerial (20 km, faint depth for a 0.3-1 km scene).

Each sets the density, height falloff and maximum opacity; anything the fog block writes wins.

Type: "light-haze" | "valley-mist" | "morning-mist" | "dense" | "aerial"

Values

light-haze
valley-mist
morning-mist
dense
aerial

GamepadBinding

Since 0.6

Values

left-stick
right-stick
dpad
south
east
north
west
left-bumper
right-bumper
left-trigger
right-trigger
left-thumb
right-thumb
select
start
mode
dpad-up
dpad-down
dpad-left
dpad-right

Genre

Since 0.6; changed in 0.7

Values

third-person
first-person
racing
platformer
top-down
side-scroller
puzzle
sandbox

GiVolumeMode

Since 0.6

How a giVolume applies: camera (default) scales the indirect light of the whole view by where the camera is, fading over blend metres outside the box; region scales only the surfaces inside the box, with a soft edge of blend metres inside its faces.

Type: "camera" | "region"

Values

camera
region

HudAnchor

Since 0.6

One of nine points.

Input also accepts the bare edges top, bottom, left and right, stored as top-center, bottom-center, center-left and center-right.

Values

top-left
top-center
top-right
center-left
center
center-right
bottom-left
bottom-center
bottom-right

HudElement

Since 0.6

Type: "objective" | "prompt" | "timer" | "score" | "custom"

Values

objective
prompt
timer
score
custom

HudFormat

Since 0.6

Type: "number" | "time"

Values

number
time

ImportCollider

Since 0.6

Type: "none" | "box" | "trimesh" | "hulls"

Values

none
box
trimesh
hulls

InputKind

Since 0.6

Type: "axis2" | "axis1" | "button"

Values

axis2
axis1
button

InstanceCollisionLayout

Since 0.7

How an instanced mesh's instances collide.

"perInstance": one static collider each, exactly as that many static meshes would. "cells": one static collider per 64 m cell holding its instances (about a tenth of the memory and broad-phase leaves at a million instances); rays and shape casts answer bit for bit as "perInstance" does, contacts per instance with stated differences (several instances under one body solved as one pair, contact recycling, GJK's warm start). Default "perInstance".

Type: "perInstance" | "cells"

Values

perInstance
cells

JointKind

Since 0.6

Type: "fixed" | "revolute" | "prismatic"

Values

fixed
revolute
prismatic

JointMotorMode

Since 0.6

Type: "velocity" | "position"

Values

velocity
position

LightKind

Since 0.6

Type: "directional" | "point" | "spot"

Values

directional
point
spot

LockAxis

Since 0.6

Type: "x" | "y" | "z"

Values

ModelForward

Since 0.6

Type: "+Z" | "-Z" | "+X" | "-X"

Values

+Z
-Z
+X
-X

MouseBinding

Since 0.6

Type: "delta" | "wheel" | "left" | "right" | "middle"

Values

delta
wheel
left
right
middle

NavLinkKind

Since 0.6

Type: "jump" | "drop" | "generic"

Values

jump
drop
generic

OceanLayerKind

Since 0.6

Which kind of wave an ocean layer is: "wind", a wind sea from a wind speed and a fetch, or "swell", a narrow-band train from a height and a period.

Type: "wind" | "swell"

Values

wind
swell

OceanWaterType

Since 0.6

The optical water type that tints the sea, after Jerlov's classes: oceanic-i clearest deep blue, oceanic-ib clear tropical teal (the default look), oceanic-ii blue-green, oceanic-iii turbid grey-green, coastal green to brown.

Render only.

Type: "oceanic-i" | "oceanic-ib" | "oceanic-ii" | "oceanic-iii" | "coastal"

Values

oceanic-i
oceanic-ib
oceanic-ii
oceanic-iii
coastal

ParticlePreset

Since 0.6

Values

smoke
fire
sparks
dust
steam
drips
debris
glow

PhysicsCcdMode

Since 0.6

Type: "off" | "fast" | "all" | "static"

Values

off
fast
all
static

PhysicsColliderDetail

Since 0.6

Type: "exact" | "convex-hull" | "box"

Values

exact
convex-hull
box

PhysicsQualityPreset

Since 0.6

Type: "low" | "medium" | "high" | "ultra"

Values

low
medium
high
ultra

PlayersJoin

Since 0.7

How a free device takes a seat: on a press (default), as soon as a pad connects, or only from a script.

Type: "press" | "auto" | "script"

Values

press
auto
script

PlayersKeyboard

Since 0.7

Who the keyboard and mouse belong to: one player (default), two players sharing it by halves, or no one.

Type: "player" | "split" | "none"

Values

player
split
none

Quat

Since 0.6

Type: unknown[]

RenderAntiAliasing

Since 0.6

Type: "fxaa" | "off"

Values

fxaa
off

RenderExposureMode

Since 0.7

How HD picks exposure: manual uses the fixed exposure value; auto meters the frame with eye adaptation, and exposure then shifts the result by log2(exposure) stops.

Type: "manual" | "auto"

Values

manual
auto

RenderFilter

Since 0.6

Type: "linear" | "nearest" | "three-point"

Values

linear
nearest
three-point

RenderLookPreset

Since 0.7

A named colour grade, HD's look presets: natural (no grade), natural-plus, cinematic, bright-day, overcast, night, stylised.

Values

natural
natural-plus
cinematic
bright-day
overcast
night
stylised

RenderShading

Since 0.6

Type: "pbr" | "unlit" | "vertex" | "toon"

Values

pbr
unlit
vertex
toon

RenderStyle

Since 0.6

Type: "default" | "retro"

Values

default
retro

RenderTonemap

Since 0.6

Values

aces
neutral
none
agx
agx-punchy
unreal-filmic

RigKind

Since 0.6

Type: "none" | "humanoid" | "custom"

Values

none
humanoid
custom

RigProfile

Since 0.6

Type: "humanoid"

Values

humanoid

ShotEnd

Since 0.6

What a shot list does after its last shot: hold the last pose, or release the view to the scene camera.

Type: "hold" | "release"

Values

hold
release

ShotInterpolation

Since 0.6

How a path travels between keys: linear (straight) or spline (a smooth curve through every key).

Type: "linear" | "spline"

Values

linear
spline

ShotMove

Since 0.6

A shot's camera position over its own time: hold, path, orbit or follow.

Type: unknown

ShotSpace

Since 0.6

What a follow shot's offset is measured in: world axes, or axes that turn with the entity.

Type: "world" | "entity"

Values

world
entity

SkyKind

Since 0.6

Type: "procedural" | "hdr" | "color" | "atmosphere"

Values

procedural
hdr
color
atmosphere

SkyPreset

Since 0.6

Type: "clear-noon" | "golden-hour" | "overcast" | "dusk" | "night"

Values

clear-noon
golden-hour
overcast
dusk
night

SplatAxes

Since 0.6

Type: "y-up" | "z-up" | "y-down"

Values

y-up
z-up
y-down

SpriteBillboard

Since 0.6

Type: "cylindrical" | "spherical" | "fixed" | "flat"

Values

cylindrical
spherical
fixed
flat

SpriteFilter

Since 0.6

Type: "nearest" | "linear"

Values

nearest
linear

TerrainBlend

Since 0.6

How an op combines with the height below it: add, set, max, min, or lerp toward its own value by the op's strength.

Type: "add" | "set" | "max" | "min" | "lerp"

Values

add
set
max
min
lerp

TerrainCollisionMode

Since 0.6

Whether the terrain makes a heightfield collider: heightfield, or off.

Type: "heightfield" | "off"

Values

heightfield
off

TerrainFluvialPreset

Since 0.6

The stream-power constants of a climate: alpine (fast uplift, steep and incised), temperate, or arid (slow, little rain).

Type: "alpine" | "temperate" | "arid"

Values

alpine
temperate
arid

TerrainLineMode

Since 0.6

What a line op does along its polyline: raise, lower, or flatten.

Type: "raise" | "lower" | "flatten"

Values

raise
lower
flatten

TerrainMaskSource

Since 0.6

What a derived mask is measured from: slope, height, curvature, flow, moisture, waterDistance, or noise.

Values

slope
height
curvature
flow
moisture
waterDistance
noise

TerrainNoiseKind

Since 0.6; changed in 0.7

The noise an op draws: fbm (smooth hills), ridged (sharp crests), billow (rounded lumps), warped (fbm bent by a second noise), or ridgedMulti (ridged multifractal: fine detail only on the coarse crests and walls, with warpM bending the sample point).

Type: "fbm" | "ridged" | "billow" | "warped" | "ridgedMulti"

Values

fbm
ridged
billow
warped
ridgedMulti

TerrainOp

Since 0.6

One step of a terrain's op stack, picked by op: a pure function of its parameters, its seed and the stack below it.

Type: unknown

TerrainPadShape

Since 0.6

The outline of a flattened pad: rect, circle, or polygon.

Type: "rect" | "circle" | "polygon"

Values

rect
circle
polygon

TerrainPadStat

Since 0.6

Which height under a pad it flattens to: the mean, median, min or max of the ground there.

Type: "mean" | "median" | "min" | "max"

Values

mean
median
min
max

TerrainRegion

Since 0.6

A rectangle on the terrain's x/z plane as [minX, minZ, maxX, maxZ], in metres in the terrain frame.

Type: unknown[]

TerrainRenderMode

Since 0.6

Whether the terrain is drawn: auto, or off.

Type: "auto" | "off"

Values

auto
off

TerrainSlopeLimitMode

Since 0.6

How slope.limit relaxes a too-steep pair: cut lowers the high side, fill raises the low side, both takes the mean.

Type: "both" | "cut" | "fill"

Values

both
cut
fill

TerrainSmoothKernel

Since 0.6

The blur a smooth op uses: box, or gaussian (three box blurs).

Type: "box" | "gaussian"

Values

box
gaussian

TerrainStampShape

Since 0.6

The shape a stamp op raises or digs: crater, hill, mesa, or image (heights read from an image asset).

Type: "crater" | "hill" | "mesa" | "image"

Values

crater
hill
mesa
image

TerrainVolumeMode

Since 0.7

How a volume part combines, in order: add (union with the rock so far), cut (subtract), keep (intersect the latest added solid: a chisel).

Type: "add" | "cut" | "keep"

Values

add
cut
keep

TerrainVolumePrim

Since 0.7

A solid of a volume.shape op: box, polytope (a seeded fractured block), slab or tube along a curve, or ellipsoid.

Type: unknown

TouchMode

Since 0.6

What a touch region does: stick (a virtual stick) and drag (finger travel, like the mouse's delta) are two-component axes; button (held while a finger that landed in the region is down) and tap (one tick on a quick lift without travel) are buttons.

Type: "stick" | "drag" | "button" | "tap"

Values

stick
drag
button
tap

Vec2

Since 0.6

Type: unknown[]

Vec3

Since 0.6

Type: unknown[]

VehicleDifferential

Since 0.6

Type: "open" | "locked" | "lsd"

Values

open
locked
lsd

VehicleModel

Since 0.6

Type: "arcade" | "simulation"

Values

arcade
simulation

VehicleRecoveryTarget

Since 0.7

Where a recovered vehicle goes back to: lastGood (its newest good spot), road (the nearest road point to it) or upright (where it is, back on its wheels).

Type: "lastGood" | "road" | "upright"

Values

lastGood
road
upright

VehicleShift

Since 0.6

Type: "auto" | "manual"

Values

auto
manual

VehicleTorquePoint

Since 0.6

Type: unknown[]

VehicleTyreModel

Since 0.6

Type: "clamp" | "curve"

Values

clamp
curve

WaterShape

Since 0.6

The outline of a water body on the ground plane.

box: a rectangle of size (x, z) metres. ellipse: the ellipse inscribed in that rectangle. Either turns with the entity's yaw and stretches with its x and z scale.

Type: "box" | "ellipse"

Values

box
ellipse

WaterwaysWaterType

Since 0.6

The optical water type of rivers and lakes from a terrain's hydrology: the sea's classes, and fresh water: alpine-clear (green-blue, very clear: the default for rivers), alpine-glacial (milky turquoise: the default for lakes), lowland (green-brown, murky), tannin (dark tea).

Render only.

Values

oceanic-i
oceanic-ib
oceanic-ii
oceanic-iii
coastal
alpine-clear
alpine-glacial
lowland
tannin