public static void UpdatePieLabelPosition(Serie serie, SerieData serieData)
{
if (serieData.labelObject == null)
{
return;
}
var startAngle = serie.context.startAngle;
var currAngle = serieData.context.halfAngle;
var currRad = currAngle * Mathf.Deg2Rad;
var offsetRadius = serieData.context.offsetRadius;
var insideRadius = serieData.context.insideRadius;
var outsideRadius = serieData.context.outsideRadius;
var serieLabel = SerieHelper.GetSerieLabel(serie, serieData);
var labelLine = SerieHelper.GetSerieLabelLine(serie, serieData);
switch (serieLabel.position)
{
case LabelStyle.Position.Center:
serieData.context.labelPosition = serie.context.center;
break;
case LabelStyle.Position.Inside:
var labelRadius = offsetRadius + insideRadius + (outsideRadius - insideRadius) / 2 + serieLabel.distance;
var labelCenter = new Vector2(serie.context.center.x + labelRadius * Mathf.Sin(currRad),
serie.context.center.y + labelRadius * Mathf.Cos(currRad));
serieData.context.labelPosition = labelCenter;
break;
default:
//LabelStyle.Position.Outside
if (labelLine != null && labelLine.lineType == LabelLine.LineType.HorizontalLine)
{
var radius1 = serie.context.outsideRadius;
var radius3 = insideRadius + (outsideRadius - insideRadius) / 2;
var currSin = Mathf.Sin(currRad);
var currCos = Mathf.Cos(currRad);
var pos0 = new Vector3(serie.context.center.x + radius3 * currSin, serie.context.center.y + radius3 * currCos);
if ((currAngle - startAngle) % 360 > 180)
{
currSin = Mathf.Sin((360 - currAngle) * Mathf.Deg2Rad);
currCos = Mathf.Cos((360 - currAngle) * Mathf.Deg2Rad);
}
var r4 = Mathf.Sqrt(radius1 * radius1 - Mathf.Pow(currCos * radius3, 2)) - currSin * radius3;
r4 += labelLine.lineLength1 + labelLine.lineWidth * 4;
r4 += serieData.labelObject.text.GetPreferredWidth() / 2;
serieData.context.labelPosition = pos0 + ((currAngle - startAngle) % 360 > 180 ? Vector3.left : Vector3.right) * r4;
}
else
{
labelRadius = serie.context.outsideRadius + (labelLine == null ? 0 : labelLine.lineLength1);
labelCenter = new Vector2(serie.context.center.x + labelRadius * Mathf.Sin(currRad),
serie.context.center.y + labelRadius * Mathf.Cos(currRad));
serieData.context.labelPosition = labelCenter;
}
break;
}
}
private void DrawPieLabelLine(VertexHelper vh, Serie serie, SerieData serieData, Color color)
{
var serieLabel = SerieHelper.GetSerieLabel(serie, serieData);
var labelLine = SerieHelper.GetSerieLabelLine(serie, serieData);
if (serieLabel != null && serieLabel.show &&
labelLine != null && labelLine.show &&
(serieLabel.IsDefaultPosition(LabelStyle.Position.Outside)))
{
var insideRadius = serieData.context.insideRadius;
var outSideRadius = serieData.context.outsideRadius;
var center = serie.context.center;
var currAngle = serieData.context.halfAngle;
if (!ChartHelper.IsClearColor(labelLine.lineColor))
{
color = labelLine.lineColor;
}
else if (labelLine.lineType == LabelLine.LineType.HorizontalLine)
{
color *= color;
}
float currSin = Mathf.Sin(currAngle * Mathf.Deg2Rad);
float currCos = Mathf.Cos(currAngle * Mathf.Deg2Rad);
var radius1 = labelLine.lineType == LabelLine.LineType.HorizontalLine ?
serie.context.outsideRadius : outSideRadius;
var radius3 = insideRadius + (outSideRadius - insideRadius) / 2;
if (radius1 < serie.context.insideRadius)
{
radius1 = serie.context.insideRadius;
}
radius1 -= 0.1f;
var pos0 = new Vector3(center.x + radius3 * currSin, center.y + radius3 * currCos);
var pos1 = new Vector3(center.x + radius1 * currSin, center.y + radius1 * currCos);
var pos2 = serieData.context.labelPosition;
Vector3 pos4, pos6;
var horizontalLineCircleRadius = labelLine.lineWidth * 4f;
var lineCircleDiff = horizontalLineCircleRadius - 0.3f;
var startAngle = serie.context.startAngle;
if (currAngle < 90)
{
var r4 = Mathf.Sqrt(radius1 * radius1 - Mathf.Pow(currCos * radius3, 2)) - currSin * radius3;
r4 += labelLine.lineLength1 - lineCircleDiff;
pos6 = pos0 + Vector3.right * lineCircleDiff;
pos4 = pos6 + Vector3.right * r4;
}
else if (currAngle < 180)
{
var r4 = Mathf.Sqrt(radius1 * radius1 - Mathf.Pow(currCos * radius3, 2)) - currSin * radius3;
r4 += labelLine.lineLength1 - lineCircleDiff;
pos6 = pos0 + Vector3.right * lineCircleDiff;
pos4 = pos6 + Vector3.right * r4;
}
else if (currAngle < 270)
{
var currSin1 = Mathf.Sin((360 - currAngle) * Mathf.Deg2Rad);
var currCos1 = Mathf.Cos((360 - currAngle) * Mathf.Deg2Rad);
var r4 = Mathf.Sqrt(radius1 * radius1 - Mathf.Pow(currCos1 * radius3, 2)) - currSin1 * radius3;
r4 += labelLine.lineLength1 - lineCircleDiff;
pos6 = pos0 + Vector3.left * lineCircleDiff;
pos4 = pos6 + Vector3.left * r4;
}
else
{
var currSin1 = Mathf.Sin((360 - currAngle) * Mathf.Deg2Rad);
var currCos1 = Mathf.Cos((360 - currAngle) * Mathf.Deg2Rad);
var r4 = Mathf.Sqrt(radius1 * radius1 - Mathf.Pow(currCos1 * radius3, 2)) - currSin1 * radius3;
r4 += labelLine.lineLength1 - lineCircleDiff;
pos6 = pos0 + Vector3.left * lineCircleDiff;
pos4 = pos6 + Vector3.left * r4;
}
var pos5X = (currAngle - startAngle) % 360 > 180 ?
pos2.x - labelLine.lineLength2 : pos2.x + labelLine.lineLength2;
var pos5 = new Vector3(pos5X, pos2.y);
var angle = Vector3.Angle(pos1 - center, pos2 - pos1);
if (angle > 15)
{
UGL.DrawLine(vh, pos1, pos5, labelLine.lineWidth, color);
}
else
{
switch (labelLine.lineType)
{
case LabelLine.LineType.BrokenLine:
UGL.DrawLine(vh, pos1, pos2, pos5, labelLine.lineWidth, color);
break;
case LabelLine.LineType.Curves:
UGL.DrawCurves(vh, pos1, pos5, pos1, pos2, labelLine.lineWidth, color,
chart.settings.lineSmoothness);
break;
case LabelLine.LineType.HorizontalLine:
UGL.DrawCricle(vh, pos0, horizontalLineCircleRadius, color);
UGL.DrawLine(vh, pos6, pos4, labelLine.lineWidth, color);
break;
}
}
}
}
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));
}