Unity Package

Skybox

The COALA Skybox, introduced in version 0.2.3, visualizes all the celestial objects visible with a naked eye above your COALA maps, with their accurate positions and paths across the celestial grid and adjusted for your location on Earth.

The SkyboxControler

The CoalaSkyboxControler combines a few different modules and scripts to correctly adjust the Skybox. It can be found in the PaperMap sample scene.

Seconds Between Updates: Determines how often the Skybox will be updated
Coala Skybox 2021/2022: Depending on the Unity version you're using, the Skybox will automatically use the correct Skybox Material. Adjust these if the Skybox looks broken
Sunset Angle: The Sun-Horizon angle that will trigger the sunset/sunrise colors to take over
Sun/Sunset/Moon Light Colors: The colors of the Sun, the sunset light and the Moon light.

The Skybox Material

Found under Runtime/Resources/Skybox, the Skybox material has options to customize and change everything

Sun: Sun settings
Sky: Sky settings
- Top Color: The color of the day sky above the sky horizon
- Sunset Top Color: The color of the sunrise/sunset sky above the sky horizon
- Bottom Color: The color of the day sky below the sky horizon
- Sunset Bottom Color: The color of the sunrise/sunset sky below the sky horizon
- Sky Horizon Position: Determines the height of the sky horizon that separates the top and the bottom colors set above
- Horizon Squish: Determines the size of the bottom and top sections
Clouds: Cloud settings
- Clouds: The cloud texture file
- Cloud Speed: The speed the clouds move in the sky
- Cloud Intensity: The intensity of the clouds
Star Map: Textures and intensity/opacity settings for the star map
- Celestial Grid Enabled: Enable the Celestial Grid
- Constellations Enabled: Enable the Constellations texture
- Constellations Borders Enabled: Enable the Constellations Borders texture
Moon: Settings for the size/intensity/transparency and tiling of the Moon
- Moon Phases: The different textures for the Moon phases, in a 2D Array file

SkyboxShowcase sample scene

With version 0.2.3 of the COALA package for Unity, a new sample scene has been added, the SkyboxShowcase scene. You can import it through the Package Manager window.

In this scene, you can find the Star Map Showcase prefab, through which you can control the skybox.

Sunset Angle: The Sun-Horizon angle that will trigger the sunset/sunrise colors to take over
Sun/Sunset/Moon Light Colors: The colors of the Sun, the sunset light and the Moon light.
Coala Skybox 2021/2022: Depending on the Unity version you're using, the Skybox will automatically use the correct Skybox Material. Adjust these if the Skybox looks broken
Latitude/Longitude: The Lat/Lon coordinates of the location on Earth whose sky the Skybox depicts
Speed: Control the Skybox to go fast forward or even backward in time

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