Download

Animated Rain/Waterdrop Material

Animated Rain/Waterdrop Material

[UE Marketplace Link]](https://www.unrealengine.com/marketplace/animated-rain-waterdrop-material)

Material Close-up Video

Material Tweak Video](Rain Material Tweaks on Unreal Engine - YouTube)

Unreal Engine - Rain Material Implementation Tutorial](Unreal Engine - Rain Material Implementation Tutorial - YouTube)

Rain Material on Unreal Engine Interface](Rain Material on Unreal Engine Interface - YouTube)

Rain Material on Unreal Engine Interface 2](Rain Material on Unreal Engine Interface 2 - YouTube)

Material has 2 types of usage:

  1. For vertical surfaces that let the rain flow down (Rain_flow_material)

  2. For horizontal surfaces that rain fall on them (Ground_rain_normal_overlay)
    Technical Details

Installation: Copy the archive content to your unreal project content folder.

**Follow the steps on this video: **Unreal Engine - Rain Material Implementation Tutorial - YouTube

**General flow speed: **Set 0 to stop all flowing.

**Mask general flow speed: **If general flow speed is not 0, this will set the general speed of vertical flow piles.

**Bottom layer flow speed: **Set 0 to stop 1/3 of drops.

**Bottom mask flow speed: **This will set the partial speed of vertical flow piles on bottom layer. Set it 0 to hide 1/3 of vertical flows.

**Middle layer flow speed: **Set 0 to stop 1/3 of drops.

**Middle mask flow speed: **This will set the partial speed of vertical flow piles on middle layer. Set it 0 to hide 1/3 of vertical flows.

**Top layer flow speed: **Set 0 to stop 1/3 of drops.

**Top mask flow speed: **This will set the partial speed of vertical flow piles on top layer. Set it 0 to hide 1/3 of vertical flows.

**IOR: **Index of refraction value

**Opacity-control: **Material opacity value

**Specular amount: **Material specular value

**Static speed: **This value will set the flow speed of tiny drops between static drops.

**Static drop on?: **Set it to 1 for horizontal surfaces that has no flow. (General flow speed must also set to 0)

**Static drop speed: **This is the refresh rate of changing positions of the drops which looks like rain fall on surface.

**UV multiplier: **Tile multiplier of the general Material.