This is a paid asset, but now you can download Massive Clouds – Screen Space Volumetric Clouds Free.
Detail this asset from Unity Store: Original Link
Massive Clouds – Screen Space Volumetric Clouds v4.1.2 (Latest version)
Massive Clouds – Screen Space Volumetric Clouds v4.1.1
Make various clouds with Massive Clouds
Massive Clouds renders 3D clouds with volume rendering in screen space. More than 60 different presets are available and you can start using them right away. Of course, all the parameters can be customized freely, so you can create your own clouds to color the scene.
0Version 4.1.1
※If you have old version, you must remove them before install.
Supported environment
– Unity 2017.4 StandardRP / VR (MultiPass SinglePass)
– Unity 2018.3 StandardRP / LWRP / HDRP / VR (MultiPass SinglePass)
– Unity 2019.1 StandardRP / LWRP / LWRP VR
– Unity 2019.3 StandardRP / UniversalRP / UniversalRP VR / HDRP
※ HDRP works on Unity2019.3 later with HDRP CustomPass
※ It is not compatible with Unity 2019.1 HDRP / VR
※ It works as PostProcessingStack V2 custom effect in LWRP (4.x / 5.x) / HDRP (4.x) environment before Untiy2018.x
※ Renderer Feature can be used in LWRP (6.5 or later) environment
※ The VR device has confirmed the operation with (Oculus Rift / Google VR)
※ Does not support VR Single Pass Instanced
Operational Verification Platform
– Windows (DirectX11)
– Mac (Metal / OpenGLCore)
– iOS (Metal)
– Android (OpenGL ES 3.0)
– WebGL2.0 (only compatible with Google Chrome)
Features
– 3D cloud representation by volume rendering
– A wealth of presets (including for VFX and mobile)
– Horizontal rendering to cover the entire sky
– Drawing of cloud shadows (screen space)
– GodRay Representation by Volumetric Shadow
– UniversalRP / LWRP VR compatible
– HDRP7.1.8 compatible
– VR compatible (Oculus Rift / Google VR)
– Automatic interlocking with AnbientProbe, DirectionalLight, FogColor
– 4 different rendering engine
– Load control with scaling function to reduce resolution only for drawing clouds
– Draw multiple layers of clouds
– Height Fog
– Scroll animation
– The clouds that can be dived
– Coloring by lamp texture
– Includes all script files
– Materialization with MassiveClouds MaterialExporter
Demo
WebGL Demo-Various Cloud Presets (Only for Google Chrome)
WebGL Demo-Beyond the Clouds (Supports Only Google Chrome)