SwiftGodotKit provides a way of embedding Godot into an existing Swift application and driving Godot from Swift, without having to use an extension.
Take a look at the TrivialSample here to see how it works.
You will need Swift 5.9 for this (Xcode 15 release candidate will do).
Reference this Package.swift and then you can write a simple program like this:
import Foundation
import SwiftGodot
import SwiftGodotKit
func loadScene (scene: SceneTree) {
let rootNode = Node3D()
let camera = Camera3D ()
camera.current = true
camera.position = Vector3(x: 0, y: 0, z: 2)
rootNode.addChild(node: camera)
func makeCuteNode (_ pos: Vector3) -> Node {
let n = SpinningCube()
n.position = pos
return n
}
rootNode.addChild(node: makeCuteNode(Vector3(x: 1, y: 1, z: 1)))
rootNode.addChild(node: makeCuteNode(Vector3(x: -1, y: -1, z: -1)))
rootNode.addChild(node: makeCuteNode(Vector3(x: 0, y: 1, z: 1)))
scene.root?.addChild(node: rootNode)
}
class SpinningCube: Node3D {
required init (nativeHandle: UnsafeRawPointer) {
super.init (nativeHandle: nativeHandle)
}
required init () {
super.init ()
let meshRender = MeshInstance3D()
meshRender.mesh = BoxMesh()
addChild(node: meshRender)
}
override func _input (event: InputEvent) {
guard event.isPressed () && !event.isEcho () else { return }
print ("SpinningCube: event: isPressed ")
}
public override func _process(delta: Double) {
rotateY(angle: delta)
}
}
func registerTypes (level: GDExtension.InitializationLevel) {
switch level {
case .scene:
register (type: SpinningCube.self)
default:
break
}
}
runGodot(args: [], initHook: registerTypes, loadScene: loadScene, loadProjectSettings: { settings in })A standalone sample that you can use as a starting point is available here, when used as SwiftPM:
https://github.com/migueldeicaza/SwiftGodotKit/tree/main/StandaloneExample
If you want to compile your own version of libgodot.framework, follow
these instructions
Check out SwiftGodot and SwiftGodotKit as peers as well as a version of Godot suitable to be used as a library:
git clone [email protected]:migueldeicaza/SwiftGodot
git clone [email protected]:migueldeicaza/SwiftGodotKit
git clone [email protected]:migueldeicaza/libgodot
Compile libgodot, this sample shows how I do this myself, but you could have different versions
cd libgodot
scons target=template_debug dev_build=yes library_type=shared_library debug_symbols=yes
The above will produce the binary that you want, then create an xcframework out of it, using the script in SwiftGodot (a peer to this repository):
cd ../SwiftGodot/scripts
sh -x make-libgodot.xcframework ../../SwiftGodot ../../libgodot /tmp/
Then you can reference that version of the libgodot.xcframework
This relies currently on the LibGodot patch that is currently pending approval:
https://github.com/godotengine/godot/pull/72883
For your convenience, I have packaged the embeddable Godot for Mac as an xcframework
so merely taking a dependency on this package should get everything that you need
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