Your first class
Let's create a file src/main/kotlin/com/yourcompany/game/Simple.kt
with the following content:
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The classes section covers in detail what we did here, but for now @RegisterClass
will register the class to Godot. Now we can trigger a build.
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Once the build completes, you will be able to use your class in Godot. Simply attach the kt
file containing registered class to a node like you would do in GDScript. If you rebuild the project while the editor is open, your classes will be reloaded automatically in Godot and you can use them.
Info
As Kotlin is a compiled language you can only use newly created classes after you have built them, otherwise, Godot will not be able to find them.
Configuring dependencies
The majority of the JVM ecosystem is at your disposal, just add a dependency like you would in a normal java based project to your build file:
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