Example #1
0
        internal static void ApplyAnimationToBezierSegments(Int32 index, Storyboard storyBoard, BezierSegment bezierSegment,
            Point[] oldCtrlPoints, Point[] newCtrlPoints, PathFigure pathFigure, Point oldFirstPointOfBezierSeg, 
            Point newFirstPointOfBezierSeg)
        {
            if (index == 1)
            {
                PointAnimation pointAnimation = new PointAnimation()
                {
                    From = oldFirstPointOfBezierSeg,
                    To = newFirstPointOfBezierSeg,
                    SpeedRatio = 2,
                    Duration = new Duration(new TimeSpan(0, 0, 1))
                };

                Storyboard.SetTarget(pointAnimation, pathFigure);
                Storyboard.SetTargetProperty(pointAnimation, new PropertyPath("StartPoint"));
                Storyboard.SetTargetName(pointAnimation, (String)pathFigure.GetValue(FrameworkElement.NameProperty));

                storyBoard.Children.Add(pointAnimation);
#if WPF
                pathFigure.BeginAnimation(PathFigure.StartPointProperty, pointAnimation);
#endif
            }

            // Animate control points
            if (oldCtrlPoints != null && newCtrlPoints != null && oldCtrlPoints.Count() == 3 && newCtrlPoints.Count() == 3)
            {
                // Loop for 3 control points
                for (int i = 0; i < 3; i++)
                {
                    // Creates PointAnimation for each control points
                    if (!oldCtrlPoints[i].Equals(newCtrlPoints[i]))
                    {
                        PointAnimation pointAnimation = new PointAnimation()
                        {
                            From = oldCtrlPoints[i],
                            To = newCtrlPoints[i],
                            SpeedRatio = 2,
                            Duration = new Duration(new TimeSpan(0, 0, 1))
                        };

                        Storyboard.SetTarget(pointAnimation, bezierSegment);
                        Storyboard.SetTargetProperty(pointAnimation, new PropertyPath("Point" + (i + 1).ToString()));
                        Storyboard.SetTargetName(pointAnimation, (String)bezierSegment.GetValue(FrameworkElement.NameProperty));

                        storyBoard.Children.Add(pointAnimation);

#if WPF
                    switch(i)
                    {
                        case 0:
                            bezierSegment.BeginAnimation(BezierSegment.Point1Property, pointAnimation);
                            break;
                        case 1:
                            bezierSegment.BeginAnimation(BezierSegment.Point2Property, pointAnimation);
                            break;
                        case 2:
                            bezierSegment.BeginAnimation(BezierSegment.Point3Property, pointAnimation);
                            break;
                    }
#endif
                    }
                }
            }

        }