Created
June 11, 2017 14:01
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half color rect
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// | |
// ViewController.m | |
// HalfColorRect | |
// | |
// Created by MizushimaYusuke on 2017/06/11. | |
// 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 createRect]; | |
} | |
- (void)setupScene { | |
SKView *sv = [[SKView alloc] initWithFrame:self.view.bounds]; | |
SKScene *s = [SKScene sceneWithSize:sv.frame.size]; | |
s.backgroundColor = [UIColor colorWithWhite:0.75 alpha:1]; | |
[sv presentScene:s]; | |
[self.view addSubview:sv]; | |
self.scene = s; | |
} | |
- (void)createRect { | |
UIBezierPath *path = [UIBezierPath bezierPath]; | |
[path moveToPoint:CGPointMake(-60, -60)]; | |
[path addLineToPoint:CGPointMake(60, -60)]; | |
[path addLineToPoint:CGPointMake(60, 60)]; | |
[path closePath]; | |
for (int i=0; i<4; i++) { | |
float hue = 0.2 * i; | |
UIGraphicsBeginImageContextWithOptions(CGSizeMake(120, 120), NO, 0); | |
CGContextRef ctx = UIGraphicsGetCurrentContext(); | |
CGContextTranslateCTM(ctx, 60, 60); | |
[[UIColor colorWithHue:hue saturation:0.9 brightness:0.9 alpha:1] set]; | |
[path fill]; | |
CGContextRotateCTM(ctx, M_PI); | |
[[UIColor colorWithHue:hue saturation:0.4 brightness:0.9 alpha:1] set]; | |
[path fill]; | |
UIImage *img = UIGraphicsGetImageFromCurrentImageContext(); | |
UIGraphicsEndImageContext(); | |
SKTexture *texture = [SKTexture textureWithImage:img]; | |
for (int j=0; j<3; j++) { | |
SKSpriteNode *node =[SKSpriteNode spriteNodeWithTexture:texture]; | |
node.name = @"rect"; | |
node.position = CGPointMake(i * 120 + 150, CGRectGetMidY(self.view.bounds)); | |
node.xScale = 1.0 - j * 0.3; | |
node.yScale = 1.0 - j * 0.3; | |
node.zRotation = M_PI * j; | |
[self.scene addChild:node]; | |
} | |
} | |
} | |
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event { | |
[self.scene enumerateChildNodesWithName:@"rect" usingBlock:^(SKNode * _Nonnull node, BOOL * _Nonnull stop) { | |
if ([node.name isEqual:@"rect"] && arc4random_uniform(5) == 0) { | |
[node runAction:[SKAction rotateByAngle:M_PI * 0.5 duration:0.5]]; | |
} | |
}]; | |
} | |
@end |
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http://lepetit-prince.net/ios/?p=6361