private static void CheckSerieDataLabel(Serie serie, SerieData serieData, int total, bool isLeft, ComponentTheme theme,
ref Vector3 lastCheckPos, ref float lastX)
{
if (!serieData.context.canShowLabel)
{
serieData.SetLabelActive(false);
return;
}
if (!serieData.show)
{
return;
}
var serieLabel = SerieHelper.GetSerieLabel(serie, serieData);
var isOutside = serieLabel.position == LabelStyle.Position.Outside ||
serieLabel.position == LabelStyle.Position.Default;
if (!serieLabel.show)
{
return;
}
if (!isOutside)
{
return;
}
var labelLine = SerieHelper.GetSerieLabelLine(serie, serieData);
var fontSize = serieData.labelObject.GetHeight();
if (lastCheckPos == Vector3.zero)
{
lastCheckPos = serieData.context.labelPosition;
}
else if (serieData.context.labelPosition.x != 0)
{
if (lastCheckPos.y - serieData.context.labelPosition.y < fontSize)
{
var labelRadius = serie.context.outsideRadius + labelLine.lineLength1;
var y1 = lastCheckPos.y - fontSize;
var cy = serie.context.center.y;
var diff = Mathf.Abs(y1 - cy);
var diffX = labelRadius * labelRadius - diff * diff;
diffX = diffX <= 0 ? 0 : diffX;
var x1 = serie.context.center.x + Mathf.Sqrt(diffX) * (isLeft ? -1 : 1);
var newPos = new Vector3(x1, y1);
serieData.context.labelPosition = newPos;
var angle = ChartHelper.GetAngle360(Vector2.up, newPos - serie.context.center);
if (angle >= 180 && angle <= 270)
{
serieData.context.labelPosition = new Vector3(isLeft?(++lastX): (--lastX), y1);
}
else if (angle < 180 && angle >= 90)
{
serieData.context.labelPosition = new Vector3(isLeft?(++lastX): (--lastX), y1);
}
else
{
lastX = x1;
}
}
else
{
lastX = serieData.context.labelPosition.x;
}
lastCheckPos = serieData.context.labelPosition;
serieData.labelObject.SetPosition(SerieLabelHelper.GetRealLabelPosition(serie, serieData, serieLabel, labelLine));
}
}
public override Vector3 GetSerieDataLabelPosition(SerieData serieData, LabelStyle label)
{
var labelLine = SerieHelper.GetSerieLabelLine(serie, serieData);
return(SerieLabelHelper.GetRealLabelPosition(serie, serieData, label, labelLine));
}
