Game DevelopmentUnreal Engine

Unreal Engine – Realistic Dynamic Sky System v4.25

Unreal Engine - Realistic Dynamic Sky SystemRealistic Dynamic Sky System


Realistic Dynamic Sky System or RDS is a unique dynamic sky that is extremely realistic because it uses real sky textures, smoothly changing them day and night.In addition, there is the implementation of a fully dynamic weather(Rain and thunderstorms ),the wet surfaces,volumetric clouds,wind,changes in the density of the fog,Sun flare effect and support of Custom Lens Flare VFX .Designed and optimized specially for Virtual Reality and PC/Console games.


  • Smooth HDR sky textures changing
  • Dynamic Weather (Rain effect,thunderstorms,dynamic wind and fog)
  • Full day/Night Cycle with editable length (in real minutes)
  • Wet Surfaces simulation(Custom Material function,which can be easy added to any material)
  • Moon phases
  • Dynamic Stars layers
  • Lens flare effect for sun
  • Custom Lens Flare VFX compatibility
  • Over 100 parameters to customize
  • Volumetric clouds with dynamic density and coverage
  • Can be used for Dynamic or static lighting

Technical Details


  • Sky material shader
  • Volumetric Clouds shader
  • Moon shader
  • LensFlare shader
  • Rain PP shader


1 Blueprint


  • 3 Meshes


  • 43 Sky HDR textures in 8192×2048 resolution
  • 43 Sky HDR textures in 4096×1024 resolution( lite versions of 8k textures,enabled by default )
  • 1 Moon texture 4096×4096
  • 4 Stars textures (1 – 8192×4096, 3 – 2048×2048 resolution)
  • 3 LensFlare textures 1024×1024
  • 1 LensDirt texture for Post-Processing 2048×1024
  • 4 Volumetric Clouds noise textures 1024×1024

Pictures of this Game Development :

Watch the Introduction Video :


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