光った順番を覚えてボタンをタップしていくiPhoneアプリのサンプルコードを描いてみます。
動かすとこんな感じです
サンプルコード
#import “ViewController.h”
@interface ViewController ()
@property (nonatomic, strong) NSMutableArray *positions;
@property int8_t state;
@end
#define GameStateTap 1
@implementation ViewController
– (void)viewDidLoad
{
[super viewDidLoad];
self.view.backgroundColor = [UIColor grayColor];
[self createRandom];
[self createLight];
[self createButton];
}
– (void)createRandom
{
NSMutableArray *seed = [@[@(1), @(2), @(3), @(4), @(5), @(6)] mutableCopy];
NSUInteger count = seed.count;
self.positions = [[NSMutableArray alloc] initWithCapacity:count];
for (int i=0; i<count; i++) {
NSUInteger idx = arc4random() % seed.count;
[self.positions addObject:seed[idx]];
[seed removeObjectAtIndex:idx];
}
}
– (void)createLight
{
CGPoint o = CGPointMake(CGRectGetMidX(self.view.frame), 200);
float dAngle = 2.0 * M_PI / 6.0;
float r = 100;
for (int i=0; i<6; i++) {
float x = r * cos(dAngle * i) + o.x;
float y = r * sin(dAngle * i) + o.y;
UIView *light = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 60)];
light.tag = i + 1;
light.center = CGPointMake(x, y);
light.backgroundColor = [UIColor colorWithHue:0.15 * (i+1) saturation:0.5 brightness:0.3 alpha:1];
light.transform = CGAffineTransformMakeRotation(dAngle * i + M_PI_2);
[self.view addSubview:light];
UILabel *l = [[UILabel alloc] init];
l.text = [self.positions[i] stringValue];
l.font = [UIFont systemFontOfSize:50];
l.textColor = [light.backgroundColor colorWithAlphaComponent:0.3];
[l sizeToFit];
l.center = [light convertPoint:light.center fromView:self.view];
[light addSubview:l];
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tap:)];
[light addGestureRecognizer:tap];
}
}
– (void)createButton
{
UIButton *start = [UIButton buttonWithType:UIButtonTypeSystem];
start.titleLabel.font = [UIFont boldSystemFontOfSize:40];
[start setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[start setTitle:@”start!” forState:UIControlStateNormal];
[start sizeToFit];
start.center = CGPointMake(CGRectGetMidX(self.view.frame), CGRectGetMaxY(self.view.frame) – 150);
[self.view addSubview:start];
[start addTarget:self action:@selector(start:) forControlEvents:UIControlEventTouchUpInside];
}
– (void)start:(UIButton *)sender
{
[UIView transitionWithView:sender duration:0.5 options:UIViewAnimationOptionTransitionCurlDown animations:^{
[sender setTitle:@”look!” forState:UIControlStateNormal];
} completion:nil];
for (int i=0; i < self.positions.count; i++) {
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(i * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
[self lighting:[self.view viewWithTag:[self.positions indexOfObject:@(i+1)] + 1]];
});
}
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(6 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
[UIView transitionWithView:sender duration:0.5 options:UIViewAnimationOptionTransitionCurlDown animations:^{
[sender setTitle:@”tap!” forState:UIControlStateNormal];
} completion:^(BOOL finished) {
self.state = GameStateTap;
}];
});
}
– (void)tap:(UITapGestureRecognizer*)gr
{
if (self.state == GameStateTap) {
[self lighting:gr.view];
}
}
– (void)lighting:(UIView *)view
{
[UIView animateWithDuration:0.2 animations:^{
view.layer.backgroundColor = [UIColor colorWithHue:0.15 * view.tag saturation:0.8 brightness:1.0 alpha:1].CGColor;
} completion:^(BOOL finished) {
id obj = [self.positions valueForKeyPath:@”@min.self”];
UILabel *l = (UILabel*)view.subviews[0];
if (self.state == GameStateTap && [[obj stringValue] isEqual:l.text] ) {
// correct
[self.positions removeObject:obj];
if (self.positions.count == 0) {
[self performSelector:@selector(restart) withObject:nil afterDelay:2.0];
}
return;
}
UIColor *originColor = [UIColor colorWithHue:0.15 * view.tag saturation:0.5 brightness:0.3 alpha:1];
[UIView animateWithDuration:1.5 animations:^{
view.layer.backgroundColor = originColor.CGColor;
} completion:^(BOOL finished) {
((UILabel*)view.subviews[0]).textColor = originColor;
}];
}];
}
– (void)restart
{
self.view = [[UIView alloc] initWithFrame:self.view.frame];
self.view.backgroundColor = [UIColor grayColor];
self.state = 0;
[self createRandom];
[self createLight];
[self createButton];
}
– (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
@end