ARKit by Magdalena Pa?ka
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ARKit is a new framework introduced in iOS 11 for augmented reality applications. It allows developers to place virtual objects in 3D space that interact with the real world. The document provides code snippets and explanations of key ARKit classes like ARCamera for camera tracking state, SCNNode for creating and transforming 3D nodes, ARPlaneAnchor for detecting horizontal surfaces, SCNPhysicsBody for adding physics, and SCNAnimationProtocol for animating nodes. Supported devices include recent iPhones and iPads as well as some Android devices.
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Wspierane modele
let arKitPhones: iOSDevices = [ iPhoneSE,
iPad,
iPad Pro,
iPhone6s,
iPhone7,
iPhone8,
iPhoneX ]
let arCorePhones: androidDevices = [ Pixel,
Pixel 2,
Samsung S8 ]](https://image.slidesharecdn.com/arkitmpalka-180131170355/85/ARKit-by-Magdalena-Palka-3-320.jpg)
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ARKit by Magdalena Pa?ka
- 1. ARKit /* iOS 11 new framework */ // // Presentation.key // ARKitPresentation // // Created by Mpalka on 24.01.2018 // Copyright (c) 2018 MPalka. All rights reserved // 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
- 3. 0 2 4 5 7 iOS Android Wspierane modele let arKitPhones: iOSDevices = [ iPhoneSE, iPad, iPad Pro, iPhone6s, iPhone7, iPhone8, iPhoneX ] let arCorePhones: androidDevices = [ Pixel, Pixel 2, Samsung S8 ]
- 10. ARKitDemo
- 11. ARCamera.TrackingState extension ARCamera { /** A value describing the camera's tracking state. */ public enum TrackingState { public enum Reason { /** Tracking is limited due to initialization in progress. */ case initializing /** Tracking is limited due to a excessive motion of the camera. */ case excessiveMotion /** Tracking is limited due to a lack of features visible to the camera. */ case insufficientFeatures } /** Tracking is not available. */ case notAvailable /** Tracking is limited. See tracking reason for details. */ case limited(ARCamera.TrackingState.Reason) /** Tracking is normal. */ case normal } }
- 12. SCNNode Creating a Node init(geometry: SCNGeometry?) Managing the Node¡¯s Transformation var?position: SCNVector3 var?rotation: SCNVector4 var?eulerAngles: SCNVector3 var?orientation: SCNQuaternion var?scale: SCNVector3 var?pivot: SCNMatrix4
- 13. ARPlaneAnchor func renderer(_ renderer: SCNSceneRenderer, didAdd node: SCNNode, for anchor: ARAnchor) { guard let planeAnchor = anchor as? ARPlaneAnchor else { return } let gridNode = GridNode(anchor: planeAnchor) node.addChildNode(gridNode) }
- 14. SCNPhysicsBody let geometry = SCNPlane(width: 0.5, height: 0.5) let shape = SCNPhysicsShape(geometry: geometry, options: nil) let body = SCNPhysicsBody(type: .kinematic, shape: shape) body.categoryBitMask = PhysicsBitMask.objectCategory.rawValue self.physicsBody = body
- 15. SCNAnimationProtocol func addAnimation(_ animation: SCNAnimationProtocol, forKey key: String?)