ARKit

#import "ViewController.h"@interface ViewController ()@property (nonatomic, strong) IBOutlet ARSCNView *sceneView;@end    @implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    // Set the view's delegate    self.sceneView.delegate = self;        // Show statistics such as fps and timing information    self.sceneView.showsStatistics = YES;        // Create a new scene    SCNScene *scene = [SCNScene sceneNamed:@"art.scnassets/ship.scn"];        // Set the scene to the view    self.sceneView.scene = scene;}- (void)viewWillAppear:(BOOL)animated {    [super viewWillAppear:animated];        // Create a session configuration    ARWorldTrackingSessionConfiguration *configuration = [ARWorldTrackingSessionConfiguration new];        // Run the view's session    [self.sceneView.session runWithConfiguration:configuration];}- (void)viewWillDisappear:(BOOL)animated {    [super viewWillDisappear:animated];        // Pause the view's session    [self.sceneView.session pause];}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Release any cached data, images, etc that aren't in use.}#pragma mark - ARSCNViewDelegate/*// Override to create and configure nodes for anchors added to the view's session.- (SCNNode *)renderer:(id)renderer nodeForAnchor:(ARAnchor *)anchor {

SCNNode *node = [SCNNode new];

// Add geometry to the node...

return node;

}

*/

- (void)session:(ARSession *)session didFailWithError:(NSError *)error {

// Present an error message to the user

}

- (void)sessionWasInterrupted:(ARSession *)session {

// Inform the user that the session has been interrupted, for example, by presenting an overlay

}

- (void)sessionInterruptionEnded:(ARSession *)session {

// Reset tracking and/or remove existing anchors if consistent tracking is required

}

@end