private void DrawLabelLine(VertexHelper vh, Serie serie, SerieData serieData, Color color)
{
if (serie.label.show &&
serie.label.position == SerieLabel.Position.Outside &&
serie.label.line)
{
var insideRadius = serieData.runtimePieInsideRadius;
var outSideRadius = serieData.runtimePieOutsideRadius;
var center = serie.runtimePieCenterPos;
var currAngle = serieData.runtimePieHalfAngle;
if (serie.label.lineColor != Color.clear)
{
color = serie.label.lineColor;
}
else if (serie.label.lineType == SerieLabel.LineType.HorizontalLine)
{
color *= color;
}
float currSin = Mathf.Sin(currAngle * Mathf.Deg2Rad);
float currCos = Mathf.Cos(currAngle * Mathf.Deg2Rad);
var radius1 = serie.label.lineType == SerieLabel.LineType.HorizontalLine ?
serie.runtimePieOutsideRadius : outSideRadius;
var radius2 = serie.runtimePieOutsideRadius + serie.label.lineLength1;
var radius3 = insideRadius + (outSideRadius - insideRadius) / 2;
if (radius1 < serie.runtimePieInsideRadius)
{
radius1 = serie.runtimePieInsideRadius;
}
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 = new Vector3(center.x + radius2 * currSin, center.y + radius2 * currCos);
float tx, ty;
Vector3 pos3, pos4, pos6;
var horizontalLineCircleRadius = serie.label.lineWidth * 4f;
var lineCircleDiff = horizontalLineCircleRadius - 0.3f;
if (currAngle < 90)
{
ty = serie.label.lineWidth * Mathf.Cos((90 - currAngle) * Mathf.Deg2Rad);
tx = serie.label.lineWidth * Mathf.Sin((90 - currAngle) * Mathf.Deg2Rad);
pos3 = new Vector3(pos2.x - tx, pos2.y + ty - serie.label.lineWidth);
var r4 = Mathf.Sqrt(radius1 * radius1 - Mathf.Pow(currCos * radius3, 2)) - currSin * radius3;
r4 += serie.label.lineLength1 - lineCircleDiff;
pos6 = pos0 + Vector3.right * lineCircleDiff;
pos4 = pos6 + Vector3.right * r4;
}
else if (currAngle < 180)
{
ty = serie.label.lineWidth * Mathf.Sin((180 - currAngle) * Mathf.Deg2Rad);
tx = serie.label.lineWidth * Mathf.Cos((180 - currAngle) * Mathf.Deg2Rad);
pos3 = new Vector3(pos2.x - tx, pos2.y - ty + serie.label.lineWidth);
var r4 = Mathf.Sqrt(radius1 * radius1 - Mathf.Pow(currCos * radius3, 2)) - currSin * radius3;
r4 += serie.label.lineLength1 - lineCircleDiff;
pos6 = pos0 + Vector3.right * lineCircleDiff;
pos4 = pos6 + Vector3.right * r4;
}
else if (currAngle < 270)
{
ty = serie.label.lineWidth * Mathf.Sin((180 + currAngle) * Mathf.Deg2Rad);
tx = serie.label.lineWidth * Mathf.Cos((180 + currAngle) * Mathf.Deg2Rad);
var currSin1 = Mathf.Sin((360 - currAngle) * Mathf.Deg2Rad);
var currCos1 = Mathf.Cos((360 - currAngle) * Mathf.Deg2Rad);
pos3 = new Vector3(pos2.x + tx, pos2.y - ty + serie.label.lineWidth);
var r4 = Mathf.Sqrt(radius1 * radius1 - Mathf.Pow(currCos1 * radius3, 2)) - currSin1 * radius3;
r4 += serie.label.lineLength1 - lineCircleDiff;
pos6 = pos0 + Vector3.left * lineCircleDiff;
pos4 = pos6 + Vector3.left * r4;
}
else
{
ty = serie.label.lineWidth * Mathf.Cos((90 + currAngle) * Mathf.Deg2Rad);
tx = serie.label.lineWidth * Mathf.Sin((90 + currAngle) * Mathf.Deg2Rad);
pos3 = new Vector3(pos2.x + tx, pos2.y + ty - serie.label.lineWidth);
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 += serie.label.lineLength1 - lineCircleDiff;
pos6 = pos0 + Vector3.left * lineCircleDiff;
pos4 = pos6 + Vector3.left * r4;
}
var pos5 = new Vector3(currAngle > 180 ? pos3.x - serie.label.lineLength2 : pos3.x + serie.label.lineLength2, pos3.y);
switch (serie.label.lineType)
{
case SerieLabel.LineType.BrokenLine:
ChartDrawer.DrawLine(vh, pos1, pos2, serie.label.lineWidth, color);
ChartDrawer.DrawLine(vh, pos3, pos5, serie.label.lineWidth, color);
break;
case SerieLabel.LineType.Curves:
ChartDrawer.DrawCurves(vh, pos1, pos5, pos1, pos2, serie.label.lineWidth, color, m_Settings.lineSmoothness);
break;
case SerieLabel.LineType.HorizontalLine:
ChartDrawer.DrawCricle(vh, pos0, horizontalLineCircleRadius, color);
ChartDrawer.DrawLine(vh, pos6, pos4, serie.label.lineWidth, color);
break;
}
}
}