かごめ模様を描いてみようと調べていたら、「竹かごをかぶった犬張子が縁起物」というのを知ったのでなんとなくそんなiPhoneアプリを書いてみます(笑)。
動作イメージ
XcodeからiOS6 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”
#import <QuartzCore/QuartzCore.h>
@interface ViewController ()
{
UIView *kago;
UIImageView *inuHariko;
}
@end
@implementation ViewController
– (void)viewDidLoad
{
[super viewDidLoad];
self.view.backgroundColor = [UIColor whiteColor];
[self createInuHariko];
[self createKagomeMoyou];
}
– (void)createKagomeMoyou
{
kago = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 207)];
kago.layer.masksToBounds = YES;
kago.backgroundColor = [UIColor clearColor];
[self.view addSubview:kago];
[self createSlantingLineA];
[self createSlantingLineB];
[self createHorizontalLine];
}
– (void)createInuHariko
{
inuHariko = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@”inu”]];
inuHariko.center = CGPointMake(160, 200);
[self.view addSubview:inuHariko];
inuHariko.userInteractionEnabled = YES;
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tap:)];
[inuHariko addGestureRecognizer:tap];
}
– (void)tap:(UITapGestureRecognizer*)gr
{
for (UIView *v in self.view.subviews) {
if ([v isKindOfClass:[UILabel class]]) {
[v removeFromSuperview];
}
}
UILabel *take = [[UILabel alloc] init];
take.text = @”竹“;
take.font = [UIFont systemFontOfSize:100];
take.backgroundColor = [UIColor clearColor];
[take sizeToFit];
take.center = CGPointMake(250, 300);
take.transform = CGAffineTransformMakeTranslation(0, –320);
[self.view addSubview:take];
UILabel *inu = [[UILabel alloc] init];
inu.text = @”犬“;
inu.font = [UIFont systemFontOfSize:100];
inu.backgroundColor = [UIColor clearColor];
[inu sizeToFit];
inu.center = CGPointMake(250, 320);
inu.transform = CGAffineTransformMakeTranslation(-320, 0);
[self.view addSubview:inu];
[UIView animateWithDuration:0.5 animations:^{
take.transform = CGAffineTransformIdentity;
} completion:^(BOOL finished) {
[UIView animateWithDuration:0.5 animations:^{
take.transform = CGAffineTransformMakeScale(1.0, 0.2);
} completion:^(BOOL finished) {
[UIView animateWithDuration:0.5 animations:^{
inu.transform = CGAffineTransformIdentity;
} completion:^(BOOL finished) {
[UIView animateWithDuration:0.5 animations:^{
inu.transform = CGAffineTransformMakeScale(1.0, 0.2);
} completion:^(BOOL finished) {
// flip
[UIView animateWithDuration:0.5 animations:^{
inu.layer.transform = CATransform3DRotate(inu.layer.transform, M_PI/2.0, 0,1,0);
take.layer.transform = CATransform3DRotate(take.layer.transform, M_PI/2.0, 0,1,0);
} completion:^(BOOL finished) {
inu.text = @”笑“;
inu.font = [UIFont systemFontOfSize:50];
[inu sizeToFit];
inu.center = CGPointMake(260, 320);
[UIView animateWithDuration:0.5 animations:^{
inu.layer.transform = CATransform3DIdentity;
} completion:^(BOOL finished) {
CABasicAnimation *wara = [CABasicAnimation animationWithKeyPath:@”transform.rotation”];
wara.duration = 0.5;
wara.autoreverses = YES;
wara.toValue = @(M_PI * 0.2);
wara.repeatCount = 5;
[inu.layer addAnimation:wara forKey:nil];
}];
}];
}];
}];
}];
}];
}
– (void)createSlantingLineA
{
UIBezierPath *path = [UIBezierPath bezierPath];
// y = √３x + c
for (int i=0; i<50; i++) {
float x0 = 0;
float y0 = i * 30 – 500;
[path moveToPoint:CGPointMake(x0, y0)];
float x1 = 320;
float y1 = 320 * sqrt(3.0) + y0;
[path addLineToPoint:CGPointMake(x1, y1)];
}
CAShapeLayer *sl = [CAShapeLayer layer];
sl.fillColor = [UIColor clearColor].CGColor;
sl.strokeColor = [UIColor brownColor].CGColor;
sl.lineWidth = 3;
sl.path = path.CGPath;
[kago.layer addSublayer:sl];
}
– (void)createSlantingLineB
{
UIBezierPath *path = [UIBezierPath bezierPath];
// y = √３x + c
for (int i=0; i<50; i++) {
float x0 = 320;
float y0 = i * 30 – 500;
[path moveToPoint:CGPointMake(x0, y0)];
float x1 = 0;
float y1 = 320 * sqrt(3.0) + y0;
[path addLineToPoint:CGPointMake(x1, y1)];
}
CAShapeLayer *sl = [CAShapeLayer layer];
sl.fillColor = [UIColor clearColor].CGColor;
sl.strokeColor = [UIColor brownColor].CGColor;
sl.lineWidth = 3;
sl.path = path.CGPath;
[kago.layer addSublayer:sl];
}
– (void)createHorizontalLine
{
UIBezierPath *path = [UIBezierPath bezierPath];
// y = x + c
for (int i=0; i<35; i++) {
float x0 = 0;
float y0 = i * 15 + 9;
[path moveToPoint:CGPointMake(x0, y0)];
float x1 = 320;
float y1 = y0;
[path addLineToPoint:CGPointMake(x1, y1)];
}
CAShapeLayer *sl = [CAShapeLayer layer];
sl.fillColor = [UIColor clearColor].CGColor;
sl.strokeColor = [UIColor brownColor].CGColor;
sl.lineWidth = 3;
sl.path = path.CGPath;
[kago.layer addSublayer:sl];
}
– (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end