Start a new scene with a Node3D as root
Start a new scene with a Node3D as root
Rename it to Rainfall
Rename it to Rainfall
Add a GPUParticles3D node
Rename it to Rain
Add a GPUParticles3D node
Rename it to Rain
Embedded Files
Rename it to Rain
In Draw Passes
In Draw Passes
Set Pass 1 to QuadMesh
Set Pass 1 to QuadMesh
Expand the QuadMesh
Expand the QuadMesh
Set Size to 1 x 2
Set Size to 1 x 2
Add a New StandardMaterial3D
Add a New StandardMaterial3D
Set Transparency to Alpah
Set Transparency to Alpah
Set Shading Mode to Unshaded
Set Shading Mode to Unshaded
Set Vertex Color to Use Albedo
Set Vertex Color to Use Albedo
Set Billboard Mode
Set Billboard Mode
To Y-Billboard
To Y-Billboard
Keep Scale to ON
Keep Scale to ON
Directly above in Process Material
Directly above in Process Material
Add a new ParticleProcess Material
Add a new ParticleProcess Material
Expand the ParticleProcess Materia
Expand the ParticleProcess Materia
In Spawn => Position
In Spawn => Position
Set Emission Shape to Box
Set Emission Shape to Box
Set the size of the box
Set the size of the box
In Velocity set Y direction to -1.0
In Velocity set Y direction to -1.0
Set Spread to 0.0
Set Spread to 0.0
Set Intitial Velocity to 20.0 to 20.0
Set Intitial Velocity to 20.0 to 20.0
In Accelerations
In Accelerations
Set Gravity to 0 on all axes
Set Gravity to 0 on all axes
In Display
In Display
Set Scale to 0.2 to 0.3
Set Scale to 0.2 to 0.3
In Color Curves
In Color Curves
Add a New Alpha Curve
Add a New Curve
Set the Curve to move from 0 to 0.3
Add a New Alpha Curve
Add a New Curve
Set the Curve to move from 0 to 0.3
Then stay flat
Then stay flat
This ensures that raindrops are mainly transparent
This ensures that raindrops are mainly transparent
In Collision
In Collision
Set the Mode to Hide On Contact
Set the Mode to Hide On Contact
Particles don't have collision detection
Particles don't have collision detection
Select the Rainfall node
Select the Rainfall node
Add a GPUParticlesCollisionBox3D
Add a GPUParticlesCollisionBox3D
Set the size to 100 x 1 x 100
Set the size to 100 x 1 x 100
Lower it to be a floor
Lower it to be a floor
We will use a Sub Emitter for the drops
We will use a Sub Emitter for the drops
Set the Mode to At Collision
Set the Mode to At Collision
Set the Amount at Collision to 3
Set the Amount at Collision to 3
Select Rain node add GPUParticles3D as child
Select Rain node add GPUParticles3D as child
Rename it to RainDrops
Rename it to RainDrops
In Draw Passes => Pass 1
In Draw Passes => Pass 1
Add a new Quad Mesh
Add a new Quad Mesh
Expand the properties of the quad
Expand the properties of the quad
In Material add a new StandardMaterial3D
In Material add a new StandardMaterial3D
Expand its properties
Expand its properties
Set the Transparency to Alpha
Set the Transparency to Alpha
In Shading
In Shading
Set Diffuse Mode to Toon
Set Diffuse Mode to Toon
Set Specular Mode to Disabled
Set Specular Mode to Disabled
In Albedo
In Albedo
Set the colour to transparent white
Set the colour to transparent white
In Billboard settings
In Billboard settings
Set Mode to Particle Billboard
Set Mode to Particle Billboard
Keep Scale to ON
Keep Scale to ON
In Process Material
In Process Material
Add a New ParticleProcess Material
Add a New ParticleProcess Material
Expand its properties
Expand its properties
In Spawn
In Spawn
In Velocity Settings
In Velocity Settings
Set the Y Direction to 1.0
Set the Y Direction to 1.0
Set Initial Velocity between 1 and 2
Set Initial Velocity between 1 and 2
In Display
In Display
Set Scale between 0.02 and 0.07
Set Scale between 0.02 and 0.07
Add a New CurveTexture
Add a New CurveTexture
Expand the CurveTexture
Expand the CurveTexture
Create a Curve
Create a Curve
Set Emitting to OFF
Set Emitting to OFF
Set Amount to 5000
Set Amount to 5000
In Drawing Visibility AABB
In Drawing Visibility AABB
Set XYZ to -50, -80, -50
Set XYZ to -50, -80, -50
Set WHD to 100 x 100 x 100
Set WHD to 100 x 100 x 100
Set Lifetime to 0.4s
Set Lifetime to 0.4s
Set One Shot to ON
Set One Shot to ON
Set Fixed FPS to 0
Set Fixed FPS to 0
Set the position of the raindrops
Set the position of the raindrops
To be far below the rain
To be far below the rain
Select the Rain Node
Select the Rain Node
Under GPUParticles3D
Under GPUParticles3D
Set Emitting to ON
Set Emitting to ON
Set Amount to 1000
Set Amount to 1000
Assign RainDrops as the Sub Emitter
Assign RainDrops as the Sub Emitter
Under the Time setting
Under the Time setting
Set Lifetime to 2.0s
Set Lifetime to 2.0s
Set Preprocess to 60.0s
Set Preprocess to 60.0s
Set Fixed FPS to 0
Set Fixed FPS to 0
Under Collision settings
Under Collision settings
Set Collision Base Size to 0.8
Set Collision Base Size to 0.8
Under Drawing Settings
Under Drawing Settings
Set the Visibility AABB
Set the Visibility AABB
This is the size of the rainfall area
This is the size of the rainfall area
Under Transform Settings
Under Transform Settings
Raise the rainfall into the sky
Raise the rainfall into the sky
Set y position to around 30
Set y position to around 30
You now have a rainfall effect!
You now have a rainfall effect!
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