othello board

ViewController.m

//
//  ViewController.m
//  OthelloBoard
//
//  Created by MizushimaYusuke on 2017/10/06.
//  Copyright © 2017 MizushimaYusuke. All rights reserved.
//

#import "ViewController.h"
@import SceneKit;

@interface ViewController ()
@property (nonatomic, weak) SCNView *sceneView;
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    [self setupScene];
    [self createBoard];
}

- (void)setupScene {
    SCNView *sv = [[SCNView alloc] initWithFrame:self.view.bounds];
    sv.backgroundColor = [UIColor colorWithHue:0.3 saturation:0.9 brightness:0.6 alpha:1];
    sv.scene = [SCNScene scene];
    sv.allowsCameraControl = YES;
    sv.autoenablesDefaultLighting = YES;
    [self.view addSubview:sv];
    
    self.sceneView = sv;
}

- (void)createBoard {
    for (int i=0; i<8; i++) {
        for (int j=0; j<8; j++) {
            SCNNode *n = [self createOthello];
            n.position = SCNVector3Make(2.2 * i, 0, 2.2 * j);
        }
    }
}

- (SCNNode *)createOthello {
    SCNNode *disk = [SCNNode node];
    disk.name = @"disk";
    [self.sceneView.scene.rootNode addChildNode:disk];
    
    SCNCylinder *black = [SCNCylinder cylinderWithRadius:1 height:0.1];
    black.firstMaterial.diffuse.contents = [UIColor colorWithWhite:0.1 alpha:1];
    SCNCylinder *white = [SCNCylinder cylinderWithRadius:1 height:0.1];
    white.firstMaterial.diffuse.contents = [UIColor whiteColor];
    
    SCNNode *bnode = [SCNNode nodeWithGeometry: black];
    bnode.position = SCNVector3Make(0, 0.05, 0);
    [disk addChildNode:bnode];
    SCNNode *wnode = [SCNNode nodeWithGeometry: white];
    wnode.position = SCNVector3Make(0, -0.05, 0);
    [disk addChildNode:wnode];
    
    return disk;
}

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
    [[self.sceneView.scene.rootNode childNodes] enumerateObjectsUsingBlock:^(SCNNode * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
        if (arc4random_uniform(10) == 0) {
            [obj runAction:[SCNAction rotateByX:M_PI y:0 z:0 duration:0.5]];
        }
    }];
}

@end

http://lepetit-prince.net/ios/?p=6721