//
//  ViewController.m
//  SpreadCard
//
//  Created by MizushimaYusuke on 2017/03/26.
//  Copyright © 2017 MizushimaYusuke. All rights reserved.
//

#import "ViewController.h"
@import SpriteKit;

@interface ViewController ()
@property (nonatomic, weak) SKScene *scene;
@end

@implementation ViewController

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

- (void)setupScene {
    SKView *sv = [[SKView alloc] initWithFrame:self.view.bounds];
    SKScene *s = [SKScene sceneWithSize:sv.frame.size];
    s.backgroundColor = [UIColor colorWithHue:0 saturation:1 brightness:0.8 alpha:1];
    [sv presentScene:s];
    [self.view addSubview:sv];
    self.scene = s;
}

- (void)createCardPattern {
    float dx = CGRectGetMaxX(self.view.bounds) / 6.0;
    for (int i=0; i<6; i++) {
        for (int j=0; j<10; j++) {
            float x = dx * (i + 0.5);
            float y = dx * (j + 0.5);
            SKNode *c = [self createCard];
            c.position = CGPointMake(x, y);
        }
    }
}

- (SKNode *)createCard {
    SKNode *node = [SKNode node];
    int num = arc4random_uniform(5);

    for (int i=0; i<8; i++) {
        UIColor *color = num == i ? [UIColor blackColor] : [UIColor whiteColor];
        SKSpriteNode *card = [SKSpriteNode spriteNodeWithColor:color size:CGSizeMake(40, 25)];
        card.anchorPoint = CGPointMake(-0.2, 0.5);
        [node addChild:card];

        [card runAction:[SKAction repeatActionForever:
            [SKAction sequence:
            @[[SKAction rotateByAngle:i * M_PI / 4.0 duration:1.0],
              [SKAction waitForDuration:1.0],
              [SKAction rotateByAngle:-i * M_PI / 4.0 duration:1.0]
        ]]]];
    }
    [self.scene addChild:node];
    return node;
}

@end