private void DrawSmoothAreaPoints(VertexHelper vh, int serieIndex, Serie serie, Axis xAxis, Vector3 lp,
Vector3 np, int dataIndex, Color lineColor, Color areaColor, bool isStack)
{
bool isYAxis = xAxis is YAxis;
if (isYAxis)
{
ChartHelper.GetBezierListVertical(ref smoothSegmentPoints, lp, np, m_Line.smoothStyle);
}
else
{
ChartHelper.GetBezierList(ref smoothSegmentPoints, lp, np, m_Line.smoothStyle);
}
Vector3 start, to;
start = smoothSegmentPoints[0];
var smoothPoints = serie.GetSmoothList(dataIndex, smoothSegmentPoints.Count);
smoothPoints.Clear();
var lastSerie = m_Series.GetSerie(serie.index - 1);
var lastSmoothPoints = lastSerie != null?lastSerie.GetSmoothList(dataIndex, smoothSegmentPoints.Count) : new List <Vector3>();
smoothPoints.Add(start);
var lastCount = 1;
for (int k = 1; k < smoothSegmentPoints.Count; k++)
{
smoothPoints.Add(smoothSegmentPoints[k]);
to = smoothSegmentPoints[k];
ChartHelper.DrawLine(vh, start, to, m_Line.tickness, lineColor);
if (m_Line.area)
{
Vector3 alp, anp, tnp, tlp;
if (isYAxis)
{
alp = new Vector3(start.x - m_Line.tickness, start.y);
anp = new Vector3(to.x - m_Line.tickness, to.y);
}
else
{
alp = new Vector3(start.x, start.y - m_Line.tickness);
anp = new Vector3(to.x, to.y - m_Line.tickness);
}
if (serieIndex > 0 && isStack)
{
if (k == smoothSegmentPoints.Count - 1)
{
if (k < lastSmoothPoints.Count - 1)
{
tnp = lastSmoothPoints[lastCount - 1];
if (isYAxis)
{
tnp.x += m_Line.tickness;
}
else
{
tnp.y += m_Line.tickness;
}
ChartHelper.DrawTriangle(vh, alp, anp, tnp, areaColor);
while (lastCount < lastSmoothPoints.Count)
{
tlp = lastSmoothPoints[lastCount];
if (isYAxis)
{
tlp.x += m_Line.tickness;
}
else
{
tlp.y += m_Line.tickness;
}
ChartHelper.DrawTriangle(vh, tnp, anp, tlp, areaColor);
lastCount++;
tnp = tlp;
}
start = to;
continue;
}
}
if (lastCount >= lastSmoothPoints.Count)
{
tlp = lastSmoothPoints[lastSmoothPoints.Count - 1];
if (isYAxis)
{
tlp.x += m_Line.tickness;
}
else
{
tlp.y += m_Line.tickness;
}
ChartHelper.DrawTriangle(vh, anp, alp, tlp, areaColor);
start = to;
continue;
}
if (isYAxis)
{
tnp = new Vector3(lastSmoothPoints[lastCount].x + m_Line.tickness, lastSmoothPoints[lastCount].y);
}
else
{
tnp = new Vector3(lastSmoothPoints[lastCount].x, lastSmoothPoints[lastCount].y + m_Line.tickness);
}
var diff = isYAxis ? tnp.y - to.y : tnp.x - to.x;
if (Math.Abs(diff) < 1)
{
if (isYAxis)
{
tlp = new Vector3(lastSmoothPoints[lastCount - 1].x + m_Line.tickness, lastSmoothPoints[lastCount - 1].y);
}
else
{
tlp = new Vector3(lastSmoothPoints[lastCount - 1].x, lastSmoothPoints[lastCount - 1].y + m_Line.tickness);
}
ChartHelper.DrawPolygon(vh, alp, anp, tnp, tlp, areaColor);
lastCount++;
}
else
{
if (diff < 0)
{
if (isYAxis)
{
tnp = new Vector3(lastSmoothPoints[lastCount - 1].x + m_Line.tickness, lastSmoothPoints[lastCount - 1].y);
}
else
{
tnp = new Vector3(lastSmoothPoints[lastCount - 1].x, lastSmoothPoints[lastCount - 1].y + m_Line.tickness);
}
ChartHelper.DrawTriangle(vh, alp, anp, tnp, areaColor);
while (diff < 0 && lastCount < lastSmoothPoints.Count)
{
if (isYAxis)
{
tlp = new Vector3(lastSmoothPoints[lastCount].x + m_Line.tickness, lastSmoothPoints[lastCount].y);
}
else
{
tlp = new Vector3(lastSmoothPoints[lastCount].x, lastSmoothPoints[lastCount].y + m_Line.tickness);
}
ChartHelper.DrawTriangle(vh, tnp, anp, tlp, areaColor);
lastCount++;
diff = isYAxis ? tlp.y - to.y : tlp.x - to.x;
tnp = tlp;
}
}
else
{
if (isYAxis)
{
tlp = new Vector3(lastSmoothPoints[lastCount - 1].x + m_Line.tickness, lastSmoothPoints[lastCount - 1].y);
}
else
{
tlp = new Vector3(lastSmoothPoints[lastCount - 1].x, lastSmoothPoints[lastCount - 1].y + m_Line.tickness);
}
ChartHelper.DrawTriangle(vh, alp, anp, tlp, areaColor);
}
}
}
else
{
if (isYAxis)
{
tnp = new Vector3(coordinateX + xAxis.axisLine.width, to.y);
tlp = new Vector3(coordinateX + xAxis.axisLine.width, start.y);
}
else
{
tnp = new Vector3(to.x, coordinateY + xAxis.axisLine.width);
tlp = new Vector3(start.x, coordinateY + xAxis.axisLine.width);
}
ChartHelper.DrawPolygon(vh, alp, anp, tnp, tlp, areaColor);
}
}
start = to;
}
}