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name: Atmosphere
type: class
memory_category: Instances
summary: |
  The `Class.Atmosphere` object pushes Roblox closer toward realistic
  environments where sunlight scatters in different ways depending on density
  and other air particle properties.
description: |
  Fog properties are hidden when Lighting contains an Atmosphere object.

  The **Atmosphere** object pushes Roblox closer toward realistic environments
  where sunlight scatters in different ways depending on density and other air
  particle properties. It simulates real-world "aerial perspective" and lets you
  control light transmission from the background sky through distant objects.
  Furthermore, it controls haze and glare conditions, letting you tune a perfect
  sunset, foggy afternoon, and more.

  See also:

  - [Atmospheric Effects](../../../environment/atmosphere.md) for property
    comparisons and example environments.
  - [Skybox](../../../environment/skybox.md) for how to change the default
    skybox for games and customize the lighting.
  - [Post-Processing Effects](../../../environment/post-processing-effects.md)
    for how post-processing effects can quickly improve a game's visuals with a
    variety of customizable filters.
code_samples: []
inherits:
  - Instance
descendants: []
tags: []
deprecation_message: ''
properties:
  - name: Atmosphere.Color
    summary: |
      Changes the `Class.Atmosphere` hue for subtle environmental moods.
    description: |
      A `Datatype.Color3` value which changes the `Class.Atmosphere` hue for
      subtle environmental moods. This is best combined with increased
      `Class.Atmosphere.Haze` to expand the visible effect.
    code_samples: []
    type: Color3
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: State
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Environment
  - name: Atmosphere.Decay
    summary: |
      When used with increased `Class.Atmosphere.Haze` and
      `Class.Atmosphere.Glare`, defines the hue of the `Class.Atmosphere` away
      from the sun, gradually falling off from `Class.Atmosphere.Color` towards
      this value.
    description: |
      Defines the hue of the `Class.Atmosphere` away from the sun, gradually
      falling off from `Class.Atmosphere.Color` towards this value. Must be used
      with `Class.Atmosphere.Haze` and `Class.Atmosphere.Glare` levels higher
      than 0 to see any effect.
    code_samples: []
    type: Color3
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: State
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Environment
  - name: Atmosphere.Density
    summary: |
      Defines the amount of particles in the `Class.Atmosphere` and essentially
      controls how much in-game objects/terrain will be obscured by them.
    description: |
      Defines the amount of particles in the air. The higher the density, the
      more particles and the more in-game objects/terrain will be obscured by
      them. Note that density does not **directly** affect the skybox — it
      merely affects in-game objects/terrain and visibility of the skybox
      through them.
    code_samples: []
    type: float
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Appearance
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Environment
  - name: Atmosphere.Glare
    summary: |
      When used with increased `Class.Atmosphere.Haze`, specifies the glow/glare
      of the `Class.Atmosphere` around the sun. More glare results in an
      increased effect of sunlight cast onto the sky and world.
    description: |
      Specifies the glow/glare of the `Class.Atmosphere` around the sun. More
      glare results in an increased effect of sunlight cast onto the sky and
      world. Must be used with a `Class.Atmosphere.Haze` level higher than 0 to
      see any effect.
    code_samples: []
    type: float
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: State
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Environment
  - name: Atmosphere.Haze
    summary: |
      Defines the haziness of the `Class.Atmosphere` with a visible effect both
      above the horizon and into the distance.
    description: |
      Defines the haziness of the `Class.Atmosphere` with a visible effect both
      above the horizon and into the distance. This can be combined with
      `Class.Atmosphere.Color` to create environmental moods, like a grey tint
      for a polluted alien planet.
    code_samples: []
    type: float
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: State
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Environment
  - name: Atmosphere.Offset
    summary: |
      Controls how light transmits between the camera and the sky background.
    description: |
      Controls how light transmits between the camera and the sky background.
      Increase this value to create a horizon silhouette against the sky or
      reduce it to blend distant objects into the sky for an endless and
      seamless open world.

      Offset should be balanced against `Class.Atmosphere.Density` and carefully
      tested in your place. A low offset may cause "ghosting" where the skybox
      can be seen through objects/terrain. This can be corrected by increasing
      the offset, which more clearly silhouettes distant objects/terrain against
      the sky, but too much offset may reveal level-of-detail "popping" for far
      distant terrain and meshes.
    code_samples: []
    type: float
    tags: []
    deprecation_message: ''
    security:
      read: None
      write: None
    thread_safety: ReadSafe
    category: Appearance
    serialization:
      can_load: true
      can_save: true
    capabilities:
      - Environment
methods: []
events: []
callbacks: []