Place a Sky Atmosphere component in the scene. You can have two atmospheric Directional Lights that receive sun disk representation in the atmosphere with sky color that depends on the sunlight and atmosphere properties.Ī sky color that will vary, depending on the altitude of the sun, or in other terms, how close the dominant Directional Light's vector gets to being parallel with the ground.Ĭontrol over scattering and fuzzy settings, allowing for full control of your atmospheric density.Īerial perspective that simulates the curvature of the world when transitioning from ground to sky to space views.Įnable the Sky Atmosphere component by following these steps using the Modes panel in the Level Editor: The Sky Atmosphere gives an approximation of light scattering through a planetary atmosphere's participating media, giving outdoor levels a more realistic or exotic look by including the following:
It also provides an aerial perspective to which you can simulate transitions from ground to sky to outer space with proper planetary curvature.
It's flexible enough to create an Earth-like atmosphere with time-of-day featuring sunrise and sunset, or to create extraterrestrial atmospheres of an exotic nature. The Sky Atmosphere component in Unreal Engine 4 (UE4) is a physically-based sky and atmosphere-rendering technique.
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