Files
XCharts/Scripts/UI/LineChart.cs
2019-05-24 09:51:45 +08:00

395 lines
18 KiB
C#

using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
namespace XCharts
{
public class LineChart : CoordinateChart
{
[SerializeField] private Line m_Line = Line.defaultLine;
public Line line { get { return line; } }
protected override void Awake()
{
base.Awake();
}
protected override void Update()
{
base.Update();
}
protected override void Reset()
{
base.Reset();
m_Line = Line.defaultLine;
}
protected override void DrawChart(VertexHelper vh)
{
base.DrawChart(vh);
if (m_XAxis.type == Axis.AxisType.Category)
{
DrawXCategory(vh);
}
else
{
DrawYCategory(vh);
}
}
private void DrawXCategory(VertexHelper vh)
{
var stackSeries = m_Series.GetStackSeries();
int seriesCount = stackSeries.Count;
float scaleWid = m_XAxis.GetDataWidth(coordinateWid);
int serieCount = 0;
List<Vector3> points = new List<Vector3>();
List<Vector3> smoothPoints = new List<Vector3>();
List<Color> colorList = new List<Color>();
int dataCount = 0;
for (int j = 0; j < seriesCount; j++)
{
var seriesCurrHig = new Dictionary<int, float>();
var serieList = stackSeries[j];
for (int n = 0; n < serieList.Count; n++)
{
Serie serie = serieList[n];
if (!IsActive(serie.name)) continue;
List<Vector3> lastPoints = new List<Vector3>();
List<Vector3> lastSmoothPoints = new List<Vector3>();
Color color = m_ThemeInfo.GetColor(serieCount);
Vector3 lp = Vector3.zero;
Vector3 np = Vector3.zero;
float startX = zeroX + (m_XAxis.boundaryGap ? scaleWid / 2 : 0);
int maxCount = maxShowDataNumber > 0 ?
(maxShowDataNumber > serie.data.Count ? serie.data.Count : maxShowDataNumber)
: serie.data.Count;
dataCount = (maxCount - minShowDataNumber);
if (m_Line.area && points.Count > 0)
{
if(!m_Line.smooth && points.Count > 0)
{
for (int m = points.Count - dataCount; m < points.Count; m++)
{
lastPoints.Add(points[m]);
}
}
else if(m_Line.smooth && smoothPoints.Count > 0)
{
for(int m = 0; m < smoothPoints.Count; m++)
{
lastSmoothPoints.Add(smoothPoints[m]);
}
smoothPoints.Clear();
}
}
int smoothPointCount = 1;
for (int i = minShowDataNumber; i < maxCount; i++)
{
if (!seriesCurrHig.ContainsKey(i))
{
seriesCurrHig[i] = 0;
}
float value = serie.data[i];
float pX = startX + i * scaleWid;
float pY = seriesCurrHig[i] + zeroY + m_Coordinate.tickness;
float dataHig = value / (maxValue - minValue) * coordinateHig;
np = new Vector3(pX, pY+ dataHig);
if (i > 0)
{
if (m_Line.smooth)
{
var list = ChartHelper.GetBezierList(lp, np, m_Line.smoothStyle);
Vector3 start, to;
start = list[0];
for (int k = 1; k < list.Length; k++)
{
smoothPoints.Add(list[k]);
to = list[k];
ChartHelper.DrawLine(vh, start, to, m_Line.tickness, color);
if (m_Line.area)
{
Vector3 alp = new Vector3(start.x, start.y - m_Line.tickness);
Vector3 anp = new Vector3(to.x, to.y - m_Line.tickness);
Vector3 tnp = serieCount > 0 ?
(smoothPointCount>lastSmoothPoints.Count-1?
new Vector3(lastSmoothPoints[lastSmoothPoints.Count - 1].x, lastSmoothPoints[lastSmoothPoints.Count - 1].y + m_Line.tickness):
new Vector3(lastSmoothPoints[smoothPointCount].x, lastSmoothPoints[smoothPointCount].y + m_Line.tickness)) :
new Vector3(to.x, zeroY + m_Coordinate.tickness);
Vector3 tlp = serieCount > 0 ?
(smoothPointCount>lastSmoothPoints.Count-1?
new Vector3(lastSmoothPoints[lastSmoothPoints.Count - 2].x, lastSmoothPoints[lastSmoothPoints.Count - 2].y + m_Line.tickness):
new Vector3(lastSmoothPoints[smoothPointCount - 1].x, lastSmoothPoints[smoothPointCount - 1].y + m_Line.tickness)) :
new Vector3(start.x, zeroY + m_Coordinate.tickness);
Color areaColor = new Color(color.r, color.g, color.b, color.a * 0.75f);
ChartHelper.DrawPolygon(vh, alp, anp, tnp, tlp, areaColor);
}
smoothPointCount++;
start = to;
}
}
else
{
ChartHelper.DrawLine(vh, lp, np, m_Line.tickness, color);
if (m_Line.area)
{
Vector3 alp = new Vector3(lp.x,lp.y-m_Line.tickness);
Vector3 anp = new Vector3(np.x,np.y-m_Line.tickness);
Vector3 tnp = serieCount > 0 ?
new Vector3(lastPoints[i].x, lastPoints[i].y + m_Line.tickness) :
new Vector3(np.x, zeroY + m_Coordinate.tickness);
Vector3 tlp = serieCount > 0 ?
new Vector3(lastPoints[i-1].x, lastPoints[i-1].y + m_Line.tickness) :
new Vector3(lp.x, zeroY + m_Coordinate.tickness);
Color areaColor = new Color(color.r, color.g, color.b, color.a * 0.75f);
ChartHelper.DrawPolygon(vh, alp, anp, tnp, tlp, areaColor);
}
}
}
if (m_Line.point)
{
points.Add(np);
colorList.Add(color);
}
seriesCurrHig[i] += dataHig;
lp = np;
}
if (serie.show)
{
serieCount++;
}
}
// draw point
if (m_Line.point)
{
for (int i = 0; i < points.Count; i++)
{
Vector3 p = points[i];
float pointWid = m_Line.pointWidth;
if (m_Tooltip.show && i% dataCount == m_Tooltip.dataIndex - 1)
{
pointWid = pointWid * 1.8f;
}
if (m_Theme == Theme.Dark)
{
ChartHelper.DrawCricle(vh, p, pointWid, colorList[i],
(int)m_Line.pointWidth * 5);
}
else
{
ChartHelper.DrawCricle(vh, p, pointWid, Color.white);
ChartHelper.DrawDoughnut(vh, p, pointWid - m_Line.tickness,
pointWid, 0, 360, colorList[i]);
}
}
}
}
//draw tooltip line
if (m_Tooltip.show && m_Tooltip.dataIndex > 0)
{
float splitWidth = m_XAxis.GetSplitWidth(coordinateWid);
float px = zeroX + (m_Tooltip.dataIndex - 1) * splitWidth + (m_XAxis.boundaryGap ? splitWidth / 2 : 0);
Vector2 sp = new Vector2(px, coordinateY);
Vector2 ep = new Vector2(px, coordinateY + coordinateHig);
ChartHelper.DrawLine(vh, sp, ep, m_Coordinate.tickness, m_ThemeInfo.tooltipFlagAreaColor);
}
}
private void DrawYCategory(VertexHelper vh)
{
var stackSeries = m_Series.GetStackSeries();
int seriesCount = stackSeries.Count;
float scaleWid = m_YAxis.GetDataWidth(coordinateHig);
int serieCount = 0;
List<Vector3> pointList = new List<Vector3>();
List<Color> pointColorList = new List<Color>();
for (int j = 0; j < seriesCount; j++)
{
var seriesCurrHig = new Dictionary<int, float>();
var serieList = stackSeries[j];
for (int n = 0; n < serieList.Count; n++)
{
Serie serie = serieList[n];
if (!m_Legend.IsActive(serie.name)) continue;
Color color = m_ThemeInfo.GetColor(serieCount);
Vector3 lp = Vector3.zero;
Vector3 np = Vector3.zero;
float startY = coordinateY + (m_YAxis.boundaryGap ? scaleWid / 2 : 0);
int maxCount = maxShowDataNumber > 0 ?
(maxShowDataNumber > serie.data.Count ? serie.data.Count : maxShowDataNumber)
: serie.data.Count;
for (int i = minShowDataNumber; i < maxCount; i++)
{
if (!seriesCurrHig.ContainsKey(i))
{
seriesCurrHig[i] = 0;
}
float value = serie.data[i];
float pY = startY + i * scaleWid;
float pX = seriesCurrHig[i] + zeroY + m_Coordinate.tickness;
float dataHig = value / (maxValue - minValue) * coordinateWid;
seriesCurrHig[i] += dataHig;
np = new Vector3(pX+ dataHig, pY);
if (m_Line.point)
{
pointList.Add(np);
pointColorList.Add(color);
}
if (i > 0)
{
if (m_Line.smooth)
{
var list = ChartHelper.GetBezierList(lp, np, m_Line.smoothStyle);
Vector3 start, to;
start = list[0];
for (int k = 1; k < list.Length; k++)
{
to = list[k];
ChartHelper.DrawLine(vh, start, to, m_Line.tickness, color);
start = to;
}
}
else
{
ChartHelper.DrawLine(vh, lp, np, m_Line.tickness, color);
if (m_Line.area)
{
ChartHelper.DrawPolygon(vh, lp, np, new Vector3(np.x, zeroY),
new Vector3(lp.x, zeroY), color);
}
}
}
lp = np;
}
if (serie.show)
{
serieCount++;
}
}
// draw point
if (m_Line.point)
{
for (int i = 0; i < pointList.Count; i++)
{
Vector3 p = pointList[i];
Color color = pointColorList[i];
float pointWid = m_Line.pointWidth;
if (m_Tooltip.show && i == m_Tooltip.dataIndex - 1)
{
pointWid = pointWid * 1.8f;
}
if (m_Theme == Theme.Dark)
{
ChartHelper.DrawCricle(vh, p, pointWid, color,
(int)m_Line.pointWidth * 5);
}
else
{
ChartHelper.DrawCricle(vh, p, pointWid, Color.white);
ChartHelper.DrawDoughnut(vh, p, pointWid - m_Line.tickness,
pointWid, 0, 360, color);
}
}
}
}
//int seriesCount = m_Series.Count;
//float scaleWid = m_YAxis.GetDataWidth(coordinateHig);
//for (int j = 0; j < seriesCount; j++)
//{
// if (!IsActive(j)) continue;
// Serie serie = m_Series.series[j];
// Color32 color = m_ThemeInfo.GetColor(j);
// Vector3 lp = Vector3.zero;
// Vector3 np = Vector3.zero;
// float startY = coordinateY + (m_YAxis.boundaryGap ? scaleWid / 2 : 0);
// int maxCount = maxShowDataNumber > 0 ?
// (maxShowDataNumber > serie.data.Count ? serie.data.Count : maxShowDataNumber)
// : serie.data.Count;
// for (int i = minShowDataNumber; i < maxCount; i++)
// {
// float value = serie.data[i];
// float dataHig = coordinateX + (value - minValue) / (maxValue - minValue) * coordinateWid;
// np = new Vector3(dataHig,startY + i * scaleWid);
// if (i > 0)
// {
// if (m_Line.smooth)
// {
// var list = ChartHelper.GetBezierList(lp, np, m_Line.smoothStyle);
// Vector3 start, to;
// start = list[0];
// for (int k = 1; k < list.Length; k++)
// {
// to = list[k];
// ChartHelper.DrawLine(vh, start, to, m_Line.tickness, color);
// start = to;
// }
// }
// else
// {
// ChartHelper.DrawLine(vh, lp, np, m_Line.tickness, color);
// if (m_Line.area)
// {
// ChartHelper.DrawPolygon(vh, lp, np, new Vector3(np.x, zeroY),
// new Vector3(lp.x, zeroY), color);
// }
// }
// }
// lp = np;
// }
// // draw point
// if (m_Line.point)
// {
// for (int i = 0; i < serie.data.Count; i++)
// {
// float value = serie.data[i];
// float dataHig = coordinateX + (value - minValue) / (maxValue - minValue) * coordinateWid;
// Vector3 p = new Vector3(dataHig,startY + i * scaleWid);
// float pointWid = m_Line.pointWidth;
// if (m_Tooltip.show && i == m_Tooltip.dataIndex - 1)
// {
// pointWid = pointWid * 1.8f;
// }
// if (m_Theme == Theme.Dark)
// {
// ChartHelper.DrawCricle(vh, p, pointWid, color,
// (int)m_Line.pointWidth * 5);
// }
// else
// {
// ChartHelper.DrawCricle(vh, p, pointWid, Color.white);
// ChartHelper.DrawDoughnut(vh, p, pointWid - m_Line.tickness,
// pointWid, 0, 360, color);
// }
// }
// }
//}
//draw tooltip line
if (m_Tooltip.show && m_Tooltip.dataIndex > 0)
{
float splitWidth = m_YAxis.GetSplitWidth(coordinateHig);
float pY = zeroY + (m_Tooltip.dataIndex - 1) * splitWidth + (m_YAxis.boundaryGap ? splitWidth / 2 : 0);
Vector2 sp = new Vector2(coordinateX,pY);
Vector2 ep = new Vector2(coordinateX + coordinateWid, pY);
ChartHelper.DrawLine(vh, sp, ep, m_Coordinate.tickness, m_ThemeInfo.tooltipFlagAreaColor);
}
}
}
}