Sky
Interact with built-in Sky & Weather system.
🗿Static Class
This is a Static Class. Access it's methods directly with
.. It's not possible to spawn new instances.💂Authority
This static class can be accessed only on 🟧 Client side.
HELIX natively integrates Ultra Dynamic Sky, one of best Unreal Marketplace Asset Packs, it provides a dynamic sky and weather solution for games!
Through the Sky class, we expose it's methods to allow customizing it's parameters in real time!
Examples​
Client/Index.lua
-- Spawns a new Ultra Dynamic Sky actor
Sky.Spawn()
-- Sets the time to 16:30
Sky.SetTimeOfDay(16, 30)
Static Functions​
| Returns | Name | Description | |
|---|---|---|---|
 | Spawn | Replaces all Sky/Sun actors with the Ultra Dynamic Sky Actor, to be able to use the functions from this page | |
| DestroyAllSky | Destroys all Directional Lights, Sky Lights, Exponential Height Fogs, Volumetric Clouds, Sky Atmosphere, Ultra Dynamic Sky Actors and all Actors with the Sun Actor Tag from the Level | |
| Reconstruct | Reconstruct the Ultra Dynamic Sky Actor, forces most of the changes to be applied | |
| SetMoonTexture | Sets the Moon Texture | |
| SetMoonTextureRotation | Sets the Moon Texture Rotation | |
| SetMoonVerticalOffset | Sets the Moon Vertical Offset | |
| SetMoonScale | Sets the Moon Scale | |
| SetMoonPhase | Sets the Moon Phase | |
| SetMoonGlowIntensity | Sets the Moon Glow Intensity | |
| SetMoonLightIntensity | Sets the Moon Light Intensity | |
| SetSunAngle | Sets the Sun Angle | |
| SetSunRadius | Sets the Sun Radius | |
| SetSunLightIntensity | Sets the Sun Light Intensity | |
| SetSkyMode | Sets the Sky Mode | |
| SetVolumetricCloudColor | Sets the Volumetric Cloud Color | |
| SetCloudCoverage | The amount of coverage for the cloud layer, from a clear sky to overcast | |
| SetFog | The fogginess of the scene. The impact this has on fog density is scaled from the Fog Density category | |
| SetContrast | A simple contrast boost for the sky material. Cannot affect volumetric clouds | |
| SetOverallIntensity | The overall brightness of the shader | |
| SetNightBrightness | Can be used to scale the brightness of the sky and lighting, at night | |
| SetAnimateTimeOfDay | Sets whether or not to animate the time of day | |
| SetTimeOfDay | Sets the current time | |
| integer, integer, integer | GetTimeOfDay | Gets the current time |
| boolean | IsSpawned | Returns if the Ultra Dynamic Sky was spawned |
| WeatherType | GetWeather | Gets the current weather |
| ChangeWeather | Gets the current time |
Spawn​
Replaces all Sky/Sun actors with the Ultra Dynamic Sky Actor, to be able to use the functions from this page. Internally this calls Sky.DestroyAllSky() automaticallySky.Spawn(spawn_weather?)
| Type | Parameter | Default | Description |
|---|---|---|---|
| boolean | spawn_weather? | false | Whether or not to spawn the Weather Actor (to be able to use Weather related methods) |
DestroyAllSky​
Destroys all Directional Lights, Sky Lights, Exponential Height Fogs, Volumetric Clouds, Sky Atmosphere, Ultra Dynamic Sky Actors and all Actors with the Sun Actor Tag from the LevelSky.DestroyAllSky()
Reconstruct​
Reconstruct the Ultra Dynamic Sky Actor, forces most of the changes to be applied
Sky.Reconstruct()
SetMoonTexture​
Sets the Moon Texture
Set it to empty to restore the default. After setting it, you must callSky.Reconstruct()to have it applied properly
Sky.SetMoonTexture(texture)
| Type | Parameter | Default | Description |
|---|---|---|---|
| Image Path | texture |
SetMoonTextureRotation​
Sets the Moon Texture Rotation
Sky.SetMoonTextureRotation(rotation)
| Type | Parameter | Default | Description |
|---|---|---|---|
| float | rotation |
SetMoonVerticalOffset​
Sets the Moon Vertical Offset
Sky.SetMoonVerticalOffset(offset)
| Type | Parameter | Default | Description |
|---|---|---|---|
| float | offset |
SetMoonScale​
Sets the Moon Scale
Sky.SetMoonScale(scale)
| Type | Parameter | Default | Description |
|---|---|---|---|
| float | scale |
SetMoonPhase​
Sets the Moon Phase
Sky.SetMoonPhase(phase)
| Type | Parameter | Default | Description |
|---|---|---|---|
| float | phase | Ranges from 0-30 |
SetMoonGlowIntensity​
Sets the Moon Glow Intensity
Sky.SetMoonGlowIntensity(glow_intensity)
| Type | Parameter | Default | Description |
|---|---|---|---|
| float | glow_intensity |
SetMoonLightIntensity​
Sets the Moon Light Intensity
Sky.SetMoonLightIntensity(intensity)
| Type | Parameter | Default | Description |
|---|---|---|---|
| float | intensity |
SetSunAngle​
Sets the Sun Angle
Sky.SetSunAngle(angle)
| Type | Parameter | Default | Description |
|---|---|---|---|
| float | angle |
SetSunRadius​
Sets the Sun Radius
Sky.SetSunRadius(radius)
| Type | Parameter | Default | Description |
|---|---|---|---|
| float | radius |
SetSunLightIntensity​
Sets the Sun Light Intensity
Sky.SetSunLightIntensity(intensity)
| Type | Parameter | Default | Description |
|---|---|---|---|
| float | intensity |
SetSkyMode​
Sets the Sky Mode
After setting it, you must callSky.Reconstruct()to have it applied properly
Sky.SetSkyMode(sky_mode)
| Type | Parameter | Default | Description |
|---|---|---|---|
| SkyMode | sky_mode |
SetVolumetricCloudColor​
Sets the Volumetric Cloud Color
This is only applied ifSetSkyMode(SkyMode.VolumetricClouds)is set
Sky.SetVolumetricCloudColor(color)
| Type | Parameter | Default | Description |
|---|---|---|---|
| Color | color |
SetCloudCoverage​
The amount of coverage for the cloud layer, from a clear sky to overcast
Sky.SetCloudCoverage(cloud_coverage)
| Type | Parameter | Default | Description |
|---|---|---|---|
| float | cloud_coverage |
SetFog​
The fogginess of the scene. The impact this has on fog density is scaled from the Fog Density category
Sky.SetFog(fog_percentage)
| Type | Parameter | Default | Description |
|---|---|---|---|
| float | fog_percentage |
SetContrast​
A simple contrast boost for the sky material. Cannot affect volumetric clouds
Sky.SetContrast(contrast)
| Type | Parameter | Default | Description |
|---|---|---|---|
| float | contrast |
SetOverallIntensity​
The overall brightness of the shader
Sky.SetOverallIntensity(intensity)
| Type | Parameter | Default | Description |
|---|---|---|---|
| float | intensity |
SetNightBrightness​
Can be used to scale the brightness of the sky and lighting, at night
Sky.SetNightBrightness(brightness)
| Type | Parameter | Default | Description |
|---|---|---|---|
| float | brightness |
SetAnimateTimeOfDay​
Sets whether or not to animate the time of day
Sky.SetAnimateTimeOfDay(animate, day_length?, night_length?)
| Type | Parameter | Default | Description |
|---|---|---|---|
| boolean | animate | Whether or not to animate the time of day | |
| float or nil | day_length? | 30.0 | The time (in minutes) from sunrise to sunset |
| float or nil | night_length? | 15.0 | The time (in minutes) from sunset to sunrise |
SetTimeOfDay​
Sets the current time
Sky.SetTimeOfDay(hours, minutes)
GetTimeOfDay​
Gets the current time
— Returns integer, integer, integer (hours, minutes, seconds).
local ret_01, ret_02, ret_03 = Sky.GetTimeOfDay()
IsSpawned​
Returns if the Ultra Dynamic Sky was spawned
— Returns boolean.
local ret = Sky.IsSpawned(including_weather)
| Type | Parameter | Default | Description |
|---|---|---|---|
| boolean | including_weather | if to check for Weather Actor too |
GetWeather​
Gets the current weather
— Returns WeatherType.
local ret = Sky.GetWeather()
ChangeWeather​
Gets the current time
Sky.ChangeWeather(weather, transition_time)
| Type | Parameter | Default | Description |
|---|---|---|---|
| WeatherType | weather | weather to change | |
| float | transition_time | fade time to completely change to new weather |