Ultra Dynamic Sky

Everett Gunther - Jul 8, 2015
4.77 out of 5 stars(301 ratings)
  • 87%
  • 7%
  • 2%
  • 1%
  • 2%

A flexible dynamic sky system with natural cloud motion, plus customizable sun, moon and stars.

  • Supported Platforms
  • Supported Engine Versions
    4.8 - 4.25
  • Download Type
    Asset Pack
    This product contains an assortment of Unreal Engine assets which can be imported into a pre-existing project of your choice.

Video: https://www.youtube.com/watch?v=BoQ6tnIvWew

Ultra Dynamic Sky is a sky system designed to be more dynamic and natural than most sky solutions, offer a great degree of flexibility and customization options, and work inside of a user interface designed for speed and simplicity.


   • Set a single Time of Day variable (from 0000 to 2400) and have every aspect of the sky update along with it, making changing the time your scene takes place a one step process.

   • Fully dynamic, with multiple turbulent layers of clouds, orbiting moon, and even stars that turn around the poles.

   • A built in lighting solution with sun, moon and sky lighting all synced with the sky.

   • Customize cloud coverage, from a clear sky to overcast.

   • Customize moon and stars properties like color, intensity, and even change the phase of the moon.

   • Simulate a realtime day/night cycle in game, automatically, with adjustable day length. All with a single click.

   • Dynamic aurora effects

   • Clouds can cast shadows onto the world.

   • In UE 4.24 and forward, UDS is now integrated with the Sky Atmosphere system, offering more realistic coloring, through atmospheric scattering.

Note for UE 4.8 to 4.23:

The version shown in the screenshots and video is the 4.24+ version. If you'd like to see how the legacy version of UDS looks, you can see the original product video here.

Technical Details

Update History:


Texture Sizes:

• 3x 4096 x 4096

• 2x 2048 x 2048

Vertex Count: 8194

Number of Meshes: 1

Number of Materials: 1

Number of Material Functions: 4

Number of Textures: 4

Intended Platform: Desktop

Platforms Tested: Desktop

Number of Blueprints: 1

Blueprint features:

• Applies user selected variables to a dynamic material instance on the sky sphere.

• Converts Time of Day to dynamic material parameters using curves.

• Animates Time of Day and Cloud Density during gameplay based on animation settings.

If you need support using the sky, please email me at: