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| Kodu Game Lab | |
|---|---|
| Initial release | June 30, 2009; 16 years ago (2009-06-30)[1] |
| Stable release | |
| Written in | C# |
| Operating system | Windows |
| Type | Visual programming |
| Website | kodugamelab |
Kodu Game Lab, originally namedBoku, is aprogrammingintegrated development environment (IDE) byMicrosoft'sFUSE Labs. It runs onXbox 360 andMicrosoft Windows. It was released on the Xbox Live Marketplace on June 30, 2009.[3] A Windows version is available to the general public for download from Microsoft's FUSE web portal.[4] As of 2023, it still receives occasional updates.[5]
Kodu is avisual programming tool which is used to teach basic coding principles with the use of blocks and pictures. Its design allows it to be accessible to anyone. Most of the creation takes place within the 3D environment, where programming is done through characters (sometimes referred to as "bots").[citation needed]
Kodu is different from other game development or programming apps in several key ways:
Kodu Game Lab has been used as an educational learning tool in selected schools and learning centers. Games created in Kodu can be given a title, description, and any combination of built-in tags, as well as be shared online in the "Community" tab.
Kodu's programming model is simplified and can be navigated using a gaming controller or a combination of the keyboard and mouse. It does not use most "serious" programming conventions, including symbolic variables, branching, loops, number and string manipulation, subroutines, polymorphism, and so on. Kodu uses a logic-based system, making it simple to understand for beginners.
The simplicity is achieved by situating the programming task in a largely complete simulation environment. The user programs the behaviors of characters in the 3D world, and programs are expressed in a high-level, sensory paradigm consisting of arule-based system or language, based on conditions and actions similarly toAgentSheets.
The typical "hello world" of Kodu is:
WHEN see apple DO move toward
The grammar, as it were, of this expression is:
<condition> <action>
Where <condition> is:
<sensor> [<filter(s)> ...]
And <action> is:
<verb> [<modifier(s)> ...]
An illustrative variant of the above program, with filters and modifiers applied, is:
WHEN see apple blue close-by DO move toward quickly
In the above example, the character with this line of code would move quickly toward a nearby apple, provided it is colored blue, and close to the character. Code blocks in Kodu can be indented, allowing for more than one condition per action.
Kodu allows for user input by setting particularWHEN tiles. Keyboard, mouse, and controller input are accepted. This is primarily used to create controllable characters, but can be applied to anyDO function.
When programming controller input, player slot can be specified. This (on the Xbox version) can be used to create multiplayer games.
Kodu provides users with a large variety of characters called "bots" which can be placed anywhere in the 3D world. Generally, a bot will have unique attributes and physics properties that cannot be changed. "Object" bots, such as rocks and apples, cannot be programmed to move. Certain characters have unique, character-specific abilities (for example, only the Rover can use various science-themed actions. It also lacks the ability to jump or shoot).
Bots can be colored one of 11 colors, and have their size and various properties changed. They are the only part of the game that can be programmed using the tile system, and are the primary way of creating games in Kodu.
Because player input is optional, Kodu can be used to createzero-player games where bots only interact with each other and the world.
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