コメント追加

HiroshiOshiro · Dec 3, 2018 · 8f53d00 · 8f53d00
1 parent 4e15d67
commit 8f53d00
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Showing 2 changed files with 6 additions and 6 deletions.
diff --git a/...odeproj/project.xcworkspace/xcuserdata/hiroshi.xcuserdatad/UserInterfaceState.xcuserstate b/...odeproj/project.xcworkspace/xcuserdata/hiroshi.xcuserdatad/UserInterfaceState.xcuserstate
diff --git a/RollingImage/ViewController.swift b/RollingImage/ViewController.swift
@@ -14,25 +14,25 @@ class ViewController: UIViewController {
         super.viewDidLoad()
         // Do any additional setup after loading the view, typically from a nib.
 
+        // 背景のグレー
         let grayView = UIView(frame: self.view.frame)
         grayView.backgroundColor = UIColor.gray
         self.view.addSubview(grayView)
 
+        // 画像
         let image = UIImage(named: "moon") // http://icooon-mono.com/11223-夜空のフリーアイコン/ より
         let imageView = UIImageView(image: image)
         imageView.center = grayView.center
         grayView.addSubview(imageView)
 
+        // アニメーション
         let rollingAnimation = CABasicAnimation(keyPath: "transform.rotation")
         rollingAnimation.fromValue = 0
         rollingAnimation.toValue = CGFloat.pi * 2.0
-
-        rollingAnimation.duration = 2.0
-        rollingAnimation.repeatDuration = CFTimeInterval.infinity
-        imageView.layer.add(rollingAnimation, forKey: "rotateAnim")
+        rollingAnimation.duration = 2.0 // 周期２秒
+        rollingAnimation.repeatDuration = CFTimeInterval.infinity // 無限に
+        imageView.layer.add(rollingAnimation, forKey: "rotateAnim") // アニメーションを追加
 
     }
-
-
 }