CW Nebula
DOCUMENTATION
What is CW Nebula?
CW Nebula is a pack of high detail nebula prefabs that can be added to the background of your 3D scenes.
You can place the prefabs anywhere in the sky, adjust their size, color, and other visual properties. Just keep in mind these are background-only objects, so you cannot fly toward them.
Is URP/HDRP supported?
This asset supports all 3 render pipelines (Standard, URP, HDRP) in a seamless way that automatically detects your current project settings, and makes the required modifications to the scene so they look similar.
Better Shaders
This compatibility was made possible using the Better Shaders system (not required).
The Better Shaders asset generates multiple variants of each shader ahead of time, so even if you don't have this asset you will still be able to have full render pipeline compatibility with this asset.
BetterShaders (and therefore this asset) currently supports:
Standard - All versions supported by this asset.
URP7.x in Unity 2019.3LTS
URP10.x in Unity 2020.3LTS
URP12.x in Unity 2021.2
URP14.x in Unity 2022.2->2022.3LTS
HDRP7.x in Unity 2019.3LTS
HDRP10.x in Unity 2020.3LTS
HDRP12.x in Unity 2021.3LTS
HDRP14.x in Unity 2022.2->2022.3LTS
Support for newer versions will appear when it does in this asset.
How do I add nebulas to my scene?
Step 1 - Background
Before you add background objects, make sure your scene has a GameObject with the CwBackground component attached.
Step 2 - Nebulas
In your Project tab you can go to the Plugins/CW/Nebula/Prefabs folder, find the nebula prefab you want, and drag and drop it into your scene.
Step 3 - Adjust Settings
After you add the prefab to your scene, you can adjust its visual settings via the inspector.
To adjust the nebula's position in the sky, you can modify the Transform component's Rotation setting.
To adjust the nebula's size in the sky, you can modify the CwBackgroundTexture component's Arc setting.
To adjust the material settings you can find the CwBackgroundTexture component's MaterialOverrides setting, and click the Add button to a new one. For example, the _CW_AlbedoShift property can be overridden to change the nebula colors.
Step 4 - Done!
Enter play mode and enjoy the high detail nebula!
How do I add stars to my scene?
Step 1 - Add Stars
In your Project tab you can go to the Plugins/CW/Backgrounds/Required/Prefabs folder. Inside here you can find the Starfield1/2/3 and Sun1 prefabs. Pick the prefab you want, and drag and drop it into your scene.
Step 2 - Done!
Enter play mode and enjoy the high detail stars!
Assets
Here's a list of all my other assets, please check them out!
You can also view this list on my Asset Store page.
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Versions
Components
CwBackgroundClouds
This component allows you to render thousands of high quality background clouds with minimal memory usage, and minimal performance impact.
SHADER SETTINGS
_CW_Brightness = The final cloud color will be multiplied by this.
_CW_AlbedoShift = The cloud texture color hue will be rotated by this.
_CW_AlbedoTint = The cloud texture color will be multiplied/tinted by this color.
_CW_GridX = The cloud texture is split up into this many columns.
_CW_GridY = The cloud texture is split up into this many rows.
_CW_DetailTiling = The detail texture is tiled this many times across the clouds.
_CW_DetailJitter = The detail texture is randomly offset by up to this distance.
_CW_DetailExposure = The detail texture has this much influence over the cloud texture.
_CW_DetailPowerMin = The final cloud color will darkened by this amount in areas where the detail texture is dark.
_CW_DetailPowerMax = The final cloud color will darkened by this amount in areas where the detail texture is light.
Material
Material
The material used to render this component.
int
Seed
The random seed used when generating this component.
int
Count
The amount of clouds that will be generated.
float
Arc
The size of each cloud in the sky.
float
Noise
Clouds will randomly be offset up to this distance so they appear less uniform.
CwMaterialOverrides
MaterialOverrides
This allows you to make this component override any settings of the base material.
CwBackgroundPlanet
This component allows you to render a planet in the background of your scene.
SHADER SETTINGS
_CW_Brightness = The final planet color will be multiplied by this.
_CW_Opacity = The final planet opacity will be multiplied by this.
_CW_SurfaceRadius = The radius of the planet relative to the radius of the planet mesh it's being rendered on. This is normally close to 1, but a lower value allows you to have a thicker atmosphere.
_CW_SurfaceWarp = This controls how much the planet texture is distorted toward the edges of the planet. A higher value can be used to give the illusion of a larger planet, or a more distant camera.
_CW_SurfaceTiling = The amount of times the planet texture is repeated across the planet mesh.
_CW_SurfaceScroll = The surface texture is scroll at this rate to give the illusion of rotation.
_CW_SurfaceEdge = The edge of the planet will fade out at this rate, to make the edge softer.
_CW_AlbedoShift = The planet texture color hue will be rotated by this amount.
_CW_AlbedoTint = The planet texture color will be tinted/multiplied by this color
_CW_LightingAngle = The light will hit the planet from this angle in radians.
_CW_LightingOffset = The light/dark side will be offset across the planet by this distance.
_CW_LightingSharpness = The light/dark side transition distance sharpness.
_CW_LightingColor = The planet surface color will transition toward this, before it goes to the dark side.
_CW_LightingPower = The above color will transition with this sharpness.
_CW_CloudsEdge = The clouds will disappear at this point toward the edge of the planet.
_CW_CloudsTiling = The cloud texture will be tiled this many times.
_CW_CloudsScroll = The cloud texture will scroll at this rate to give the illusion of rotation.
_CW_CloudsThreshold = This allows you to reduce the amount of visible clouds.
_CW_CloudsColor = The clouds will be given this color.
_CW_CloudsShadowColor = The cloud shadows will have this color.
_CW_CloudsShadowOffset = The cloud shadow position will be offset by this distance.
_CW_CloudsShadowBlur = The cloud shadow blur amount.
_CW_AtmosphereEdgeShift = The atmosphere transition will be shifted in/out by this distance.
_CW_AtmosphereFog = The atmosphere will be at least this thick at the center of the planet.
_CW_AtmosphereFogMul = The atmosphere's final thickness will be multiplied by this.
_CW_AtmosphereFogPower = The atmosphere's center to horizon thickness transition will be this sharp.
_CW_AtmosphereBrightness = The atmosphere color will be multiplied by this.
_CW_AtmosphereOuter = The atmosphere's horizon to outer color transition will be offset by this distance.
_CW_AtmosphereInnerColor = The atmosphere's color at the center of the planet.
_CW_AtmosphereOuterColor = The atmosphere's color at the horizon and into space.
Material
Material
The material used to render this component.
// bool
AutoRotateLighting
If this planet has lighting, should the lighting angle automatically change based on the scene light position?
float
Arc
The size of this planet in the sky.
CwMaterialOverrides
MaterialOverrides
This allows you to make this component override any settings of the base material.
CwBackgroundRing
This component allows you to render a skybox in the background of your scene.
SHADER SETTINGS
_CW_Color = The final ring color will be tinted by this color.
_CW_Brightness = The final ring color will be multiplied by this.
_CW_Opacity = The final ring opacity will be multiplied by this.
_CW_AlbedoShift = The ring texture colors will be hue rotated by this many radians.
_CW_ShadowAngle = The ring shadow will cast at this angle in radians.
_CW_ShadowCircle = The oblateness/roundness of the shadow shape.
_CW_ShadowRadius = The size of the shadow.
_CW_ShadowBlur = The penumbra thickness of the shadow.
_CW_ShadowPenumbraColor = The color of the penumbra.
_CW_ShadowUmbraColor = The color of the umbra.
Material
Material
The material used to render this component.
// bool
AutoRotateLighting
If this ring has lighting, should the lighting angle automatically change based on the scene light position?
float
Radius
The radius of the outer edge of the ring.
float
Thickness
Thickness of the ring, where 0.1 is 10% of the radius.
float
Angle
The ring will be squashed by this 0..1 amount.
float
Perspective
How much the foreground and background parts of the ring will differ in thickness.
CwMaterialOverrides
MaterialOverrides
This allows you to make this component override any settings of the base material.
CwBackgroundSkybox
This component allows you to render a skybox in the background of your scene.
SHADER SETTINGS
_CW_Brightness = The final brightness of the skybox will be multiplied by this.
_CW_DetailTiling = The detail texture will repeat across the sky this many times.
_CW_DetailStrength = The brightness of the detail texture will be multiplied by this.
_CW_DetailOffsetTiling = The detail offset texture will repeat across the sky this many times.
_CW_DetailOffsetStrength = The detail offset texture will influence the final sampling by this much.
_CW_DetailBands = The detail texture will be sliced into this many bands above and below the origin.
_CW_DetailJitter = The detail bands will each be offset by up to this random distance.
_CW_DetailTransition = The detail bands will fade into each other with this transition sharpness.
Material
Material
The material used to render this component.
int
Seed
The random seed used when generating this component.
int
Detail
The amount of rows in the generated cloud mesh.
CwMaterialOverrides
MaterialOverrides
This allows you to make this component override any settings of the base material.
CwBackgroundTexture
This component allows you to render a single texture in the background of your scene (e.g. an image of the sun).
SHADER SETTINGS
_CW_Color = The texture color will be multiplied/tinted by this color.
_CW_Brightness = The final texture color will be multiplied by this.
_CW_AlbedoShift = The texture color hue will be rotated by this angle.
Material
Material
The material used to render this component.
Vector2
Arc
The size of this texture in the sky.
Vector2
Offset
The offset of this texture in the sky.
Rect
Rect
This background texture will use this texture rect from the Material's texture.
CwMaterialOverrides
MaterialOverrides
This allows you to make this component override any settings of the base material.
CwMaterialOverrides
Each modular background component has the MaterialOverrides setting, which allows you to override a specific material setting.
These overrides are stored in the Pairs list, which you can manually modify if your know the material property name and type.
To find the types, you can configure your background component in the editor, and click the Material Overrides / Add button to see a list.
List<Pair>
Pairs
All material override property name and value pairs are stored here.