■ MatrixAnimationUsingPath 클래스의 IsOffsetCumulative 속성을 사용해 경로를 따라 객체에 애니메이션 효과를 주는 방법을 보여준다. (오프셋 누적)
▶ MainWindow.xaml
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<Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Width="800" Height="600" Title="TestProject" FontFamily="나눔고딕코딩" FontSize="16"> </Window> |
▶ MainWindow.xaml.cs
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using System; using System.Windows; using System.Windows.Controls; using System.Windows.Media; using System.Windows.Media.Animation; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); NameScope.SetNameScope(this, new NameScope()); #region 매트릭스 변환을 생성한다. MatrixTransform matrixTransform = new MatrixTransform(); RegisterName("matrixTransform", matrixTransform); #endregion #region 버튼을 생성한다. Button button = new Button(); button.Width = 100; button.Height = 30; button.RenderTransform = matrixTransform; button.Content = "테스트"; #endregion #region 캔버스를 생성한다. Canvas canvas = new Canvas(); canvas.Width = 400; canvas.Height = 400; canvas.Background = Brushes.LightGray; canvas.Children.Add(button); #endregion #region 폴리 베지어 세그먼트를 생성한다. PolyBezierSegment polyBezierSegment = new PolyBezierSegment(); polyBezierSegment.Points.Add(new Point(35 , 0 )); polyBezierSegment.Points.Add(new Point(135, 0 )); polyBezierSegment.Points.Add(new Point(160, 100)); polyBezierSegment.Points.Add(new Point(180, 190)); polyBezierSegment.Points.Add(new Point(285, 200)); polyBezierSegment.Points.Add(new Point(310, 100)); #endregion #region 패스 피겨를 생성한다. PathFigure pathFigure = new PathFigure(); pathFigure.StartPoint = new Point(10, 100); pathFigure.Segments.Add(polyBezierSegment); #endregion #region 패스 지오메트리를 생성한다. PathGeometry pathGeometry = new PathGeometry(); pathGeometry.Figures.Add(pathFigure); pathGeometry.Freeze(); #endregion #region 매트릭스 애니메이션을 생성한다. MatrixAnimationUsingPath matrixAnimation = new MatrixAnimationUsingPath(); matrixAnimation.PathGeometry = pathGeometry; matrixAnimation.IsOffsetCumulative = true; matrixAnimation.Duration = TimeSpan.FromSeconds(5); matrixAnimation.RepeatBehavior = new RepeatBehavior(2); Storyboard.SetTargetName(matrixAnimation, "matrixTransform"); Storyboard.SetTargetProperty(matrixAnimation, new PropertyPath(MatrixTransform.MatrixProperty)); #endregion #region 스토리보드를 생성한다. Storyboard storyboard = new Storyboard(); storyboard.Children.Add(matrixAnimation); #endregion Content = canvas; button.Click += delegate(object sender, RoutedEventArgs e) { storyboard.Begin(this); }; } #endregion } } |
※ IsOffsetCumulative 속성으로 인해 오프셋 값이 반복적으로 누적되지만 회전 값은 누적되지 않는다.
※ 회전 값이 누적되도록 하려면 애니메이션의 DoesRotateWithTangent 및 IsAngleCumulative 속성을 true로 설정한다.
