SceneARSample.playground

import ARKit
import PlaygroundSupport

var arView = ARSCNView(frame: CGRect(x: 0, y: 0, width: 300, height: 300))
arView.autoenablesDefaultLighting = true

let scene = SCNScene()
arView.scene = scene

let configuration = ARWorldTrackingConfiguration()
arView.session.run(configuration)

PlaygroundPage.current.liveView = arView


// cone nodeの作成
let cone = SCNCone(topRadius: 0.0, bottomRadius: 0.03, height: 0.1)
let coneNode = SCNNode(geometry: cone)
coneNode.position = SCNVector3(0.0, 0.02, -0.25)

cone.firstMaterial?.diffuse.contents = UIColor.systemTeal
cone.firstMaterial?.specular.contents = UIColor.white
coneNode.rotation = SCNVector4(x: 0.0, y: 0.0, z: 1.0, w: 0.0)

var conePivot = SCNMatrix4MakeTranslation(0.0, 0.02, 0.0)
coneNode.pivot = conePivot

scene.rootNode.addChildNode(coneNode)

// capsule nodeの作成
let capsule = SCNCapsule(capRadius: 0.03, height: 0.08)
let capsuleNode = SCNNode(geometry: capsule)
capsule.firstMaterial?.diffuse.contents = UIColor.systemPink
capsule.firstMaterial?.specular.contents = UIColor.white
capsuleNode.rotation = SCNVector4(x:1.0, y:0.8, z:0.0, w:0.0)
capsuleNode.position = SCNVector3(0.0, 0.05, -0.3)

scene.rootNode.addChildNode(capsuleNode)

// cone node のアニメーションの設定
var spinAnimation = CABasicAnimation(keyPath: "rotation.w")
spinAnimation.repeatCount = HUGE
spinAnimation.toValue = Double.pi * 2.0
spinAnimation.duration = 4.0
spinAnimation.autoreverses = true

coneNode.addAnimation(spinAnimation, forKey: "spin animation")

// capsule node のアニメーションの設定
var moveAnimation = CABasicAnimation(keyPath: "position.y")
moveAnimation.repeatCount = HUGE
moveAnimation.toValue = 0.2
moveAnimation.duration = 1.0
moveAnimation.autoreverses = true

capsuleNode.addAnimation(moveAnimation, forKey: "move animation")