Component:VolumeUnlitMaterial

Component image

**Volume Unlit Material** component as seen in the Scene Inspector

The VolumeUnlitMaterial component is used to display 3d textures like Xrays, sunbeams, MRIs, CT scans, or any other 3d texture in a volumetric 3d cube that can optionally be sliced. Can also be used for volumetric lighting, but high texture resolutions can be large and cause considerable render lag.

Fields

Fields
Name	Type	Description
`persistent`	Bool	Determines whether or not this item will be saved to the server.
`UpdateOrder`	Int	Controls the order in which this component is updated.
`Enabled`	Bool	Controls whether or not this component is enabled. Some components stop their functionality when this field is disabled, but some don't.
`HighPriorityIntegration`	Bool	If true, integrating this asset (e.g. processing procedural assets) gets higher priority than assets with this flag off. An example is user laser procedural meshes.
`_shader`	Shader	Internal.
`Mode`	DisplayMode	How to display the texture in 3D space.
`BlendMode`	BlendMode	How to blend this material's colors vs what it rendered on top of.
`RenderQueue`	Int	changes at which point a material renders on the render stack
`Volume`	Texture3D	The 3D texture this material should display.
`StepSize`	Float	How many cell details there should be.
`Gain`	Float	How much to gain up the color.
`Exp`	Float	What exponent to raise colors to.
`AccumulationCutoff`	Float	if color goes beyond this brightness, don't render it.
`HitThreshold`	Float
`InputRange`	Float	What range duration within 0<->1 do the colors in the 3d image have? Useful for isolating particular ranges for densities in a CT scan.
`InputOffset`	Float	at what point does the range start?
`UseAlphaChannel`	Bool	Whether to use the alpha channel in the pixel data of `Volume`.
`Slices`	list of SlicePlane	Slice planes that cut the volume along local positions and directions.
`Highlights`	list of Highlight	A list of Highlights to use.

Usage

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DisplayMode

Values
Name	Value	Description
`Additive`	0	Volumetric adds onto the color of things behind it unclamped.
`AdditiveCutoff`	1	Volumetric adds onto the color of things behind it clamped.
`HitThreshold`	2

SlicePlane

Fields
Name	Type	Description
`Normal`	Float3	The normal direction of the slice in local space.
`Offset`	Float	The position of the slice in local space.

Highlight

Fields
Name	Type	Description
`Normal`	Float3
`Offset`	Float
`Range`	Float
`Color`	ColorX

Examples

Khawn2u's RTX world with sunbeams.
displays for imported 3D textures