/// <summary> /// 添加到达城市列表,通过枚举获得 /// </summary> /// <param name="name"></param> /// <returns></returns> private MapInfomation.MapToItem MakeData(string name) { Enum.CityEnum.ProvincialCapital Cy = (Enum.CityEnum.ProvincialCapital)System.Enum.Parse(typeof(Enum.CityEnum.ProvincialCapital), name, true); Random Rd = new Random(); MapInfomation.MapToItem sendtolist = new MapInfomation.MapToItem(); sendtolist = (new MapInfomation.MapToItem() { To = Cy, Diameter = Rd.Next(10, 30) }); return(sendtolist); }
/// <summary> /// 获取运动轨迹 /// </summary> /// <param name="from">来自</param> /// <param name="toItem">去</param> /// <param name="rgb">颜色:r,g,b</param> /// <param name="l">两点间的直线距离</param> /// <returns>Path</returns> private Path GetParticlePath(Enum.CityEnum.ProvincialCapital from, MapInfomation.MapToItem toItem, byte[] rgb, out double l) { Point startPoint = PointXY.PointXY.GetPoint(from); Point endPoint = PointXY.PointXY.GetPoint(toItem.To); Path path = new Path(); Style style = (Style)FindResource("ParticlePathStyle"); path.Style = style; PathGeometry pg = new PathGeometry(); PathFigure pf = new PathFigure(); pf.StartPoint = startPoint; ArcSegment arc = new ArcSegment(); //顺时针弧 arc.SweepDirection = SweepDirection.Clockwise; arc.Point = endPoint; //半径 正弦定理a/sinA=2r r=a/2sinA 其中a指的是两个城市点之间的距离 角A指a边的对角 double sinA = Math.Sin(Math.PI * m_Angle / 180.0); //计算距离 勾股定理 double x = startPoint.X - endPoint.X; double y = startPoint.Y - endPoint.Y; double aa = x * x + y * y; l = Math.Sqrt(aa); double r = l / (sinA * 3); arc.Size = new Size(r, r); pf.Segments.Add(arc); pg.Figures.Add(pf); path.Data = pg; path.Stroke = new SolidColorBrush(Color.FromArgb(255, rgb[0], rgb[1], rgb[2])); path.StrokeThickness = 1; path.Stretch = Stretch.None; path.ToolTip = string.Format("{0} --> {1} / 距离:{2} 公里", from.ToString(), toItem.To.ToString(), (int)l * 5.8); return(path); }
/// <summary> /// 将点加入到动画故事版 /// </summary> /// <param name="runPoint">运动的点</param> /// <param name="toEll">达到城市的圆</param> /// <param name="sb">故事版</param> /// <param name="particlePath">运动轨迹</param> /// <param name="l">运动轨迹的直线距离</param> /// <param name="from">来自</param> /// <param name="toItem">去</param> private void AddPointToStoryboard(Grid runPoint, Ellipse toEll, Storyboard sb, Path particlePath, double l, Enum.CityEnum.ProvincialCapital from, MapInfomation.MapToItem toItem) { //点运动所需的时间 double pointTime = l / m_Speed; //轨迹呈现所需时间(跑的比点快两倍) double particleTime = pointTime / 2; //生成为控件注册名称的guid string name = Guid.NewGuid().ToString().Replace("-", ""); // 运动的点 TransformGroup tfg = new TransformGroup(); MatrixTransform mtf = new MatrixTransform(); tfg.Children.Add(mtf); //纠正最上角沿path运动到中心沿path运动 TranslateTransform ttf = new TranslateTransform(-runPoint.Width / 2, -runPoint.Height / 2); tfg.Children.Add(ttf); runPoint.RenderTransform = tfg; this.RegisterName("m" + name, mtf); MatrixAnimationUsingPath maup = new MatrixAnimationUsingPath(); maup.PathGeometry = particlePath.Data.GetFlattenedPathGeometry(); maup.Duration = new Duration(TimeSpan.FromSeconds(pointTime)); maup.RepeatBehavior = RepeatBehavior.Forever; maup.AutoReverse = false; maup.IsOffsetCumulative = false; //沿切线旋转 maup.DoesRotateWithTangent = true; Storyboard.SetTargetName(maup, "m" + name); Storyboard.SetTargetProperty(maup, new PropertyPath(MatrixTransform.MatrixProperty)); sb.Children.Add(maup); // 达到城市的圆 this.RegisterName("ell" + name, toEll); //轨迹到达圆时 圆呈现 DoubleAnimation ellda = new DoubleAnimation(); //此处值设置0-1会有不同的呈现效果 ellda.From = 0.9; ellda.To = 1; ellda.Duration = new Duration(TimeSpan.FromSeconds(particleTime)); //推迟动画开始时间 等轨迹连接到圆时 开始播放圆的呈现动画 ellda.BeginTime = TimeSpan.FromSeconds(particleTime); ellda.FillBehavior = FillBehavior.HoldEnd; Storyboard.SetTargetName(ellda, "ell" + name); Storyboard.SetTargetProperty(ellda, new PropertyPath(Ellipse.OpacityProperty)); sb.Children.Add(ellda); //圆呈放射状 RadialGradientBrush rgBrush = new RadialGradientBrush(); GradientStop gStop0 = new GradientStop(Color.FromArgb(255, 0, 0, 0), 0); //此为控制点 color的a值设为0 off值走0-1 透明部分向外放射 初始设为255是为了初始化效果 开始不呈放射状 等跑动的点运动到城市的圆后 color的a值才设为0开始呈现放射动画 GradientStop gStopT = new GradientStop(Color.FromArgb(255, 0, 0, 0), 0); GradientStop gStop1 = new GradientStop(Color.FromArgb(255, 0, 0, 0), 1); rgBrush.GradientStops.Add(gStop0); rgBrush.GradientStops.Add(gStopT); rgBrush.GradientStops.Add(gStop1); toEll.OpacityMask = rgBrush; this.RegisterName("e" + name, gStopT); //跑动的点达到城市的圆时 控制点由不透明变为透明 color的a值设为0 动画时间为0 ColorAnimation ca = new ColorAnimation(); ca.To = Color.FromArgb(0, 0, 0, 0); ca.Duration = new Duration(TimeSpan.FromSeconds(0)); ca.BeginTime = TimeSpan.FromSeconds(pointTime); ca.FillBehavior = FillBehavior.HoldEnd; Storyboard.SetTargetName(ca, "e" + name); Storyboard.SetTargetProperty(ca, new PropertyPath(GradientStop.ColorProperty)); sb.Children.Add(ca); //点达到城市的圆时 呈现放射状动画 控制点的off值走0-1 透明部分向外放射 DoubleAnimation eda = new DoubleAnimation(); eda.To = 1; eda.Duration = new Duration(TimeSpan.FromSeconds(2)); eda.RepeatBehavior = RepeatBehavior.Forever; eda.BeginTime = TimeSpan.FromSeconds(particleTime); Storyboard.SetTargetName(eda, "e" + name); Storyboard.SetTargetProperty(eda, new PropertyPath(GradientStop.OffsetProperty)); sb.Children.Add(eda); // 运动轨迹 //找到渐变的起点和终点 Point startPoint = PointXY.PointXY.GetPoint(from); Point endPoint = PointXY.PointXY.GetPoint(toItem.To); Point start = new Point(0, 0); Point end = new Point(1, 1); if (startPoint.X > endPoint.X) { start.X = 1; end.X = 0; } if (startPoint.Y > endPoint.Y) { start.Y = 1; end.Y = 0; } LinearGradientBrush lgBrush = new LinearGradientBrush(); lgBrush.StartPoint = start; lgBrush.EndPoint = end; GradientStop lgStop0 = new GradientStop(Color.FromArgb(255, 0, 0, 0), 0); GradientStop lgStop1 = new GradientStop(Color.FromArgb(0, 0, 0, 0), 0); lgBrush.GradientStops.Add(lgStop0); lgBrush.GradientStops.Add(lgStop1); particlePath.OpacityMask = lgBrush; this.RegisterName("p0" + name, lgStop0); this.RegisterName("p1" + name, lgStop1); //运动轨迹呈现 DoubleAnimation pda0 = new DoubleAnimation(); pda0.To = 1; pda0.Duration = new Duration(TimeSpan.FromSeconds(particleTime)); pda0.FillBehavior = FillBehavior.HoldEnd; Storyboard.SetTargetName(pda0, "p0" + name); Storyboard.SetTargetProperty(pda0, new PropertyPath(GradientStop.OffsetProperty)); sb.Children.Add(pda0); DoubleAnimation pda1 = new DoubleAnimation(); //pda1.From = 0.5; //此处解开注释 值设为0-1 会有不同的轨迹呈现效果 pda1.To = 1; pda1.Duration = new Duration(TimeSpan.FromSeconds(particleTime)); pda1.FillBehavior = FillBehavior.HoldEnd; Storyboard.SetTargetName(pda1, "p1" + name); Storyboard.SetTargetProperty(pda1, new PropertyPath(GradientStop.OffsetProperty)); sb.Children.Add(pda1); }