４色の丸を使っての神経衰弱ゲームをiPhoneアプリとして描いてみます。
動作イメージ
XcodeからiOS7 iPhone Simulatorで動かすとこんな感じになります。
サンプルコード
#import “ViewController.h”
@interface ViewController ()
@property (strong, nonatomic) NSMutableArray *colors;
@property (weak, nonatomic) UIView *first;
@end
@implementation ViewController
– (void)viewDidLoad
{
[super viewDidLoad];
self.view.backgroundColor = [UIColor whiteColor];
[self createChips];
}
– (void)createChips
{
for (int i = 0; i<40; i++) {
float x = (i % 5) * 60 + 15;
float y = (i / 5) * 60 + 50;
UIView *chip = [[UIView alloc] initWithFrame:CGRectMake(x, y, 50, 50)];
chip.backgroundColor = [UIColor whiteColor];
chip.layer.borderColor = [UIColor lightGrayColor].CGColor;
chip.layer.borderWidth = 1;
chip.layer.cornerRadius = 25;
chip.tag = i;
[self.view addSubview:chip];
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(flip:)];
[chip addGestureRecognizer:tap];
}
}
– (void)flip:(UIGestureRecognizer*)gr
{
// check
UIView *reservedView;
if (!self.first) {
self.first = gr.view;
} else {
reservedView = self.first;
self.first = nil;
}
[UIView animateWithDuration:0.2 animations:^{
gr.view.layer.transform = CATransform3DMakeRotation(M_PI/2.0, 1, 0, 0);
} completion:^(BOOL finished) {
gr.view.backgroundColor = [self.colors objectAtIndex:gr.view.tag];
[UIView animateWithDuration:0.2 animations:^{
gr.view.layer.transform = CATransform3DIdentity;
if (reservedView) {
if (![reservedView.backgroundColor isEqual:gr.view.backgroundColor]) {
// ng
[self performSelector:@selector(reverse:) withObject:@[reservedView, gr.view] afterDelay:0.5];
} else {
// ok
reservedView.userInteractionEnabled = NO;
gr.view.userInteractionEnabled = NO;
}
}
}];
}];
}
– (void)reverse:(NSArray*)arr
{
UIView *one = arr[0];
UIView *two = arr[1];
[UIView animateWithDuration:0.2 animations:^{
one.layer.transform = CATransform3DMakeRotation(M_PI/2.0, 1, 0, 0);
two.layer.transform = CATransform3DMakeRotation(M_PI/2.0, 1, 0, 0);
} completion:^(BOOL finished) {
one.backgroundColor = [UIColor whiteColor];
two.backgroundColor = [UIColor whiteColor];
[UIView animateWithDuration:0.2 animations:^{
one.layer.transform = CATransform3DIdentity;
two.layer.transform = CATransform3DIdentity;
}];
}];
}
– (NSMutableArray*)colors
{
if (!_colors) {
_colors = [[NSMutableArray alloc] init];
for (int i=0; i<40; i++) {
[_colors addObject:[self color:i%5]];
}
// shuffle
for (int i = 0; i < 40; ++i) {
int nElements = 40 – i;
int n = (random() % nElements) + i;
[_colors exchangeObjectAtIndex:i withObjectAtIndex:n];
}
}
return _colors;
}
#define UIColorHex(rgbValue) [UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 green:((float)((rgbValue & 0xFF00) >> 8))/255.0 blue:((float)(rgbValue & 0xFF))/255.0 alpha:1.0]
– (UIColor*)color:(int)i
{
switch (i) {
case 0:
return UIColorHex(0xBD7A43);
case 1:
return UIColorHex(0x782E42);
case 2:
return UIColorHex(0xFF745F);
case 3:
return UIColorHex(0xFFFE94);
case 4:
return UIColorHex(0xCAFF85);
default:
break;
}
return nil;
}
– (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end