public CrossMarker()
{
Reader = dataReader = new DynamicPositionMaskDataReader(1);
// Set zero thickness to disable line.
Thickness = 0.0f;
// Set marker style.
MarkerStyle = MarkerStyle.Cross;
// Set marker size.
MarkerSize = 20;
// Set marker color.
MarkerColor = Colors.DarkBlue;
}
public override void Do(IDemoChartControl chartControl)
{
// Generate initial points.
initialPoints = DemoHelper.GenerateRandomPoints(PointCount, new Vector3F(0f, 0f, 0f), new Vector3F(5f, 5f, 0f));
currentPoints = new Vector3F[initialPoints.Length];
Array.Copy(initialPoints, currentPoints, currentPoints.Length);
// Create check marker.
var crossMarker = new CrossMarker
{
Name = "Marker",
IsLegendVisible = false
};
// Create series dynamic data reader.
dataReader = new DynamicPositionMaskDataReader(currentPoints.Length);
dataReader.UpdatePositions(currentPoints);
// Create series markers.
var series = new Series
{
Reader = dataReader,
Thickness = 0,
MarkerColor = Colors.DarkRed,
MarkerStyle = MarkerStyle.Circle,
MarkerSize = 8,
Name = "Points"
};
// Create our snap target.
snapTarget = new MySnapTarget {
Points = currentPoints
};
// Regsiter event listener.
chartControl.ActionController.RegisterHandler(1, eventListener = new ChartEventListener(crossMarker, snapTarget));
// Setup chart view options.
chartControl.ContextView.Camera2D.Projection = Projection2DTypes.XPosYPos;
chartControl.ContextView.Mode2D = true;
chartControl.ViewResetOptions.ResetOnDataChanged = false;
// Setup chart data source.
chartControl.DataSource = new RenderData[] { crossMarker, series };
// Start animation.
animationHelper.Start(
argument =>
{
for (int i = 0; i < currentPoints.Length; i++)
{
float currentAngle = argument;
currentPoints[i] = initialPoints[i] +
AnimationRadius * new Vector3F((float)Math.Cos(currentAngle), (float)Math.Sin(currentAngle), 0);
}
return(argument);
},
argument =>
{
dataReader.UpdatePositions(currentPoints);
snapTarget.Points = currentPoints;
}, 0f, 0.025f, 16);
}