draw a cube in 3d in swift

To draw a cube in 3D using SceneKit in Swift, you can follow these steps:

Create a SCNView to display your 3D scene.


main.swift
let sceneView = SCNView(frame: view.bounds)
sceneView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
view.addSubview(sceneView)
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Create a SCNScene object to hold your 3D content.


main.swift
let scene = SCNScene()
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Create a SCNNode object to represent the cube.


main.swift
let boxGeometry = SCNBox(width: 1.0, height: 1.0, length: 1.0, chamferRadius: 0.0)
let boxNode = SCNNode(geometry: boxGeometry)
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Position the cube in 3D space (optional).


main.swift
boxNode.position = SCNVector3(x: 0.0, y: 0.0, z: -5.0)
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Add the cube node to the scene.


main.swift
scene.rootNode.addChildNode(boxNode)
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Add some lighting to the scene to make the cube visible.


main.swift
let ambientLight = SCNLight()
ambientLight.type = .ambient
let ambientLightNode = SCNNode()
ambientLightNode.light = ambientLight
scene.rootNode.addChildNode(ambientLightNode)

let directionalLight = SCNLight()
directionalLight.type = .directional
let directionalLightNode = SCNNode()
directionalLightNode.light = directionalLight
directionalLightNode.position = SCNVector3(x: 0.0, y: 10.0, z: 0.0) // Position the light above the cube
scene.rootNode.addChildNode(directionalLightNode)
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Set the scene to your SCNView.


main.swift
sceneView.scene = scene
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That's it! You now have a 3D cube displayed on your screen. You can customize the appearance and behavior of the cube using SCNGeometry, SCNMaterial, and SCNAction objects.

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