LinuxCommandLibrary

u3d

Convert 2D images to 3D U3D files

TLDR

Open the project in the current directory using the correct Unity version

$ u3d
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List installed versions of Unity
$ u3d list
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List available versions of Unity that can be downloaded
$ u3d available
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Download and install latest stable Unity version
$ u3d install latest_stable
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Download and install Unity version and editor [p]ackages
$ u3d install [2021.2.0f1] -p [Unity,iOS,Android]
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SYNOPSIS

`u3d` [optional arguments to Unity executable]

PARAMETERS

-batchmode
    Run Unity in batch mode. This is useful for automated tasks and scripting.

-nographics
    Run Unity without a graphics device. Implies -batchmode.

-quit
    Quit Unity after performing all other commands specified on the command line.

-projectPath
    Specify the path to the Unity project to open.

-executeMethod
    Execute a static method after the project is loaded.

-logFile
    Specify where Unity writes the editor log file. If not specified, defaults to stdout in batch mode and Editor.log elsewhere.

-buildTarget
    Specify the target platform to build for (e.g., StandaloneWindows64, Android).

-createProject
    Creates a new project at the specified .

-importPackage
    Imports the specified Unity package into the project.

-username
    Unity username for asset server login. Used in conjunction with -password.

-password
    Unity password for asset server login.

DESCRIPTION

The `u3d` command is a placeholder representing the execution of the Unity 3D Editor on a Linux system. It's not a standard Linux command in the traditional sense, like `ls` or `grep`. Instead, it refers to running the Unity Editor executable, typically named 'Unity' or a similar variant, within a Linux environment. The actual executable's location may vary depending on how Unity was installed (e.g., via the Unity Hub, manually extracted). The `u3d` command, therefore, represents the process of launching and using the Unity Editor to create, edit, and build games and interactive applications. It leverages the Linux operating system's capabilities for resource management, process handling, and graphical output to provide the development environment. Proper execution relies on having the correct Unity version installed and the necessary dependencies (graphics drivers, libraries) configured. Since it's an application launch and not a built-in command, its 'behavior' is entirely governed by the Unity Editor itself.

CAVEATS

The `u3d` command's specific behavior and available command-line arguments depend heavily on the exact version of Unity being used. Refer to the Unity documentation for the specific version for a complete list of options. The Unity Editor binary must be executable, and the user running it must have the necessary permissions.

FINDING THE UNITY EXECUTABLE

The actual command to execute the Unity Editor is typically the path to the 'Unity' executable. The path may vary according to the installation process. In many cases, Unity Hub creates a symlink in /usr/local/bin (or a similar location) so that `unity` or `Unity` will work. If not, you might need to navigate to the Unity installation directory to find the executable file. For example:
/opt/Unity/Hub/Editor/2022.3.5f1/Editor/Unity or something similar.

EXAMPLE USAGE

To open a project in batch mode and execute a specific method:
/opt/Unity/Hub/Editor/2022.3.5f1/Editor/Unity -batchmode -projectPath /path/to/my/project -executeMethod MyClass.MyMethod -quit
This example runs Unity in batch mode, opens the project at `/path/to/my/project`, executes the static method `MyClass.MyMethod`, and then quits the Unity Editor.

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