public void UpdateMousePosition(MapPoint position)
{
if (PointsCount > 0 && !IsStop)
{
double dist = PointsBaseInfomation.GetDelta(_mapPoints[PointsCount - 1], position);
drawLine(_mapPoints[PointsCount - 1], position, presLine);
presDistance.Text = getDistanceText(_distance + dist);
drawTextAnnotation(presDistance, position);
drawEllipse(presEllipse, position);
}
}
public void Drag(MapPoint mousePosition, MapPoint endPosition)
{
if (_radar.RadarStatus == null)
{
return;
}
var radarStatus = _radar.RadarStatus;
double angleBegin, angleEnd;
double distBegin = PointsBaseInfomation.GetDelta(_radar.Position, mousePosition, out angleBegin);
double distEnd = PointsBaseInfomation.GetDelta(_radar.Position, endPosition, out angleEnd);
double scale = (distEnd - radarStatus.StartRange) / (distBegin - radarStatus.StartRange);
if (scale > 0)
{
radarStatus.Range *= scale;
}
double angle = angleBegin - angleEnd;//顺时针旋转
radarStatus.OffsetAngle = PointsBaseInfomation.GetStandardAngle(radarStatus.OffsetAngle - angle);
_radar.SetRadarConfig(radarStatus);
}
public void Push(MapPoint position)
{
_mapPoints.Add(position);
Ellipse e = new Ellipse();
_ellipses.Add(e);
drawEllipse(e, position);
this.Children.Add(e);
if (PointsCount > 1)
{
_lines.Add(new Line());
this.Children.Add(_lines[_lines.Count - 1]);
_distance += PointsBaseInfomation.GetDelta(_mapPoints[PointsCount - 2], _mapPoints[PointsCount - 1]);
TextBlock text = new TextBlock();
text.Text = getDistanceText(_distance);
_distances.Add(text);
this.Children.Add(_distances[_distances.Count - 1]);
drawLine(_mapPoints[PointsCount - 2], _mapPoints[PointsCount - 1], _lines[_lines.Count - 1]);
drawTextAnnotation(_distances[_distances.Count - 1], _mapPoints[PointsCount - 1]);
}
}
public bool InRadarCoverageArea(MapPoint position)
{
double dist = PointsBaseInfomation.GetDelta(_radar.Position, position);
return(Math.Abs(dist) <= _radar.RadarInfo.EndRange);
}
