mirror of
https://github.com/XCharts-Team/XCharts.git
synced 2026-05-15 21:00:11 +00:00
528 lines
30 KiB
C#
528 lines
30 KiB
C#
using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.UI;
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namespace XCharts
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{
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public class LineChart : CoordinateChart
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{
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[SerializeField] private Line m_Line = Line.defaultLine;
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public Line line { get { return m_Line; } }
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#if UNITY_EDITOR
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protected override void Reset()
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{
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base.Reset();
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m_Line = Line.defaultLine;
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}
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#endif
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protected override void DrawChart(VertexHelper vh)
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{
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base.DrawChart(vh);
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if (m_XAxises[0].type == Axis.AxisType.Category)
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{
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DrawXCategory(vh);
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}
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else
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{
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DrawYCategory(vh);
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}
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}
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private void DrawXCategory(VertexHelper vh)
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{
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var stackSeries = m_Series.GetStackSeries();
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int seriesCount = stackSeries.Count;
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int serieCount = 0;
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List<Vector3> points = new List<Vector3>();
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List<Vector3> smoothPoints = new List<Vector3>();
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List<Color> colorList = new List<Color>();
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int dataCount = 0;
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for (int j = 0; j < seriesCount; j++)
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{
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var seriesCurrHig = new Dictionary<int, float>();
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var serieList = stackSeries[j];
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for (int n = 0; n < serieList.Count; n++)
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{
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Serie serie = serieList[n];
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if (!IsActive(serie.name)) continue;
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List<Vector3> lastPoints = new List<Vector3>();
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List<Vector3> lastSmoothPoints = new List<Vector3>();
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List<float> serieData = serie.GetData(m_DataZoom);
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Color color = m_ThemeInfo.GetColor(serieCount);
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Vector3 lp = Vector3.zero;
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Vector3 np = Vector3.zero;
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var yAxis = m_YAxises[serie.axisIndex];
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var xAxis = m_XAxises[serie.axisIndex];
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if (!xAxis.show) xAxis = m_XAxises[(serie.axisIndex + 1) % m_XAxises.Count];
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float scaleWid = xAxis.GetDataWidth(coordinateWid, m_DataZoom);
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float startX = zeroX + (xAxis.boundaryGap ? scaleWid / 2 : 0);
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int maxCount = maxShowDataNumber > 0 ?
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(maxShowDataNumber > serieData.Count ? serieData.Count : maxShowDataNumber)
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: serieData.Count;
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dataCount = (maxCount - minShowDataNumber);
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if (m_Line.area && points.Count > 0)
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{
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if (!m_Line.smooth && points.Count > 0)
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{
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for (int m = points.Count - dataCount; m < points.Count; m++)
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{
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lastPoints.Add(points[m]);
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}
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}
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else if (m_Line.smooth && smoothPoints.Count > 0)
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{
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for (int m = 0; m < smoothPoints.Count; m++)
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{
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lastSmoothPoints.Add(smoothPoints[m]);
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}
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smoothPoints.Clear();
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}
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}
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int smoothPointCount = 1;
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for (int i = minShowDataNumber; i < maxCount; i++)
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{
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if (!seriesCurrHig.ContainsKey(i))
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{
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seriesCurrHig[i] = 0;
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}
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float value = serieData[i];
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float pX = startX + i * scaleWid;
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float pY = seriesCurrHig[i] + coordinateY + m_Coordinate.tickness;
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float dataHig = (value - yAxis.minValue) / (yAxis.maxValue - yAxis.minValue) * coordinateHig;
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np = new Vector3(pX, pY + dataHig);
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if (i > 0)
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{
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if (m_Line.step)
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{
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Vector2 middle1, middle2;
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switch (m_Line.stepTpe)
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{
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case Line.StepType.Start:
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middle1 = new Vector2(lp.x, np.y + m_Line.tickness);
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middle2 = new Vector2(lp.x - m_Line.tickness, np.y);
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ChartHelper.DrawLine(vh, lp, middle1, m_Line.tickness, color);
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ChartHelper.DrawLine(vh, middle2, np, m_Line.tickness, color);
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if (m_Line.area)
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{
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Color areaColor = new Color(color.r, color.g, color.b, color.a * 0.75f);
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ChartHelper.DrawPolygon(vh, new Vector2(middle1.x, zeroY), middle1, np,
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new Vector2(np.x, zeroY), areaColor);
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}
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break;
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case Line.StepType.Middle:
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middle1 = new Vector2((lp.x + np.x) / 2 + m_Line.tickness, lp.y);
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middle2 = new Vector2((lp.x + np.x) / 2 - m_Line.tickness, np.y);
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ChartHelper.DrawLine(vh, lp, middle1, m_Line.tickness, color);
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ChartHelper.DrawLine(vh, new Vector2(middle1.x - m_Line.tickness, middle1.y),
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new Vector2(middle2.x + m_Line.tickness, middle2.y), m_Line.tickness, color);
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ChartHelper.DrawLine(vh, middle2, np, m_Line.tickness, color);
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if (m_Line.area)
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{
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Color areaColor = new Color(color.r, color.g, color.b, color.a * 0.75f);
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ChartHelper.DrawPolygon(vh, new Vector2(lp.x, zeroY), lp, middle1,
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new Vector2(middle1.x, zeroY), areaColor);
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ChartHelper.DrawPolygon(vh, new Vector2(middle2.x + 2 * m_Line.tickness, zeroY),
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new Vector2(middle2.x + 2 * m_Line.tickness, middle2.y), np,
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new Vector2(np.x, zeroY), areaColor);
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}
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break;
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case Line.StepType.End:
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middle1 = new Vector2(np.x + m_Line.tickness, lp.y);
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middle2 = new Vector2(np.x, lp.y);
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ChartHelper.DrawLine(vh, lp, middle1, m_Line.tickness, color);
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ChartHelper.DrawLine(vh, middle2, np, m_Line.tickness, color);
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if (m_Line.area)
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{
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Color areaColor = new Color(color.r, color.g, color.b, color.a * 0.75f);
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ChartHelper.DrawPolygon(vh, new Vector2(lp.x, zeroY), lp,
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new Vector2(middle1.x - m_Line.tickness, middle1.y),
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new Vector2(middle1.x - m_Line.tickness, zeroY), areaColor);
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}
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break;
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}
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}
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else if (m_Line.smooth)
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{
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var list = ChartHelper.GetBezierList(lp, np, m_Line.smoothStyle);
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Vector3 start, to;
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start = list[0];
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for (int k = 1; k < list.Length; k++)
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{
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smoothPoints.Add(list[k]);
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to = list[k];
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ChartHelper.DrawLine(vh, start, to, m_Line.tickness, color);
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if (m_Line.area)
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{
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Vector3 alp = new Vector3(start.x, start.y - m_Line.tickness);
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Vector3 anp = new Vector3(to.x, to.y - m_Line.tickness);
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Vector3 tnp = serieCount > 0 ?
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(smoothPointCount > lastSmoothPoints.Count - 1 ?
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new Vector3(lastSmoothPoints[lastSmoothPoints.Count - 1].x,
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lastSmoothPoints[lastSmoothPoints.Count - 1].y + m_Line.tickness) :
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new Vector3(lastSmoothPoints[smoothPointCount].x,
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lastSmoothPoints[smoothPointCount].y + m_Line.tickness)) :
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new Vector3(to.x, zeroY + m_Coordinate.tickness);
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Vector3 tlp = serieCount > 0 ?
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(smoothPointCount > lastSmoothPoints.Count - 1 ?
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new Vector3(lastSmoothPoints[lastSmoothPoints.Count - 2].x,
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lastSmoothPoints[lastSmoothPoints.Count - 2].y + m_Line.tickness) :
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new Vector3(lastSmoothPoints[smoothPointCount - 1].x,
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lastSmoothPoints[smoothPointCount - 1].y + m_Line.tickness)) :
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new Vector3(start.x, zeroY + m_Coordinate.tickness);
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Color areaColor = new Color(color.r, color.g, color.b, color.a * 0.75f);
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ChartHelper.DrawPolygon(vh, alp, anp, tnp, tlp, areaColor);
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}
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smoothPointCount++;
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start = to;
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}
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}
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else
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{
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ChartHelper.DrawLine(vh, lp, np, m_Line.tickness, color);
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if (m_Line.area)
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{
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Vector3 alp = new Vector3(lp.x, lp.y - m_Line.tickness);
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Vector3 anp = new Vector3(np.x, np.y - m_Line.tickness);
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Color areaColor = new Color(color.r, color.g, color.b, color.a * 0.75f);
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var cross = ChartHelper.GetIntersection(lp, np, new Vector3(zeroX, zeroY),
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new Vector3(zeroX + coordinateWid, zeroY));
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if (cross == Vector3.zero)
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{
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Vector3 tnp = serieCount > 0 ?
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new Vector3(lastPoints[i].x, lastPoints[i].y + m_Line.tickness) :
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new Vector3(np.x, zeroY + m_Coordinate.tickness);
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Vector3 tlp = serieCount > 0 ?
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new Vector3(lastPoints[i - 1].x, lastPoints[i - 1].y + m_Line.tickness) :
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new Vector3(lp.x, zeroY + m_Coordinate.tickness);
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ChartHelper.DrawPolygon(vh, alp, anp, tnp, tlp, areaColor);
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}
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else
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{
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Vector3 cross1 = new Vector3(cross.x, cross.y + (alp.y > zeroY ? m_Coordinate.tickness : -m_Coordinate.tickness));
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Vector3 cross2 = new Vector3(cross.x, cross.y + (anp.y > zeroY ? m_Coordinate.tickness : -m_Coordinate.tickness));
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Vector3 xp1 = new Vector3(alp.x, zeroY + (alp.y > zeroY ? m_Coordinate.tickness : -m_Coordinate.tickness));
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Vector3 xp2 = new Vector3(anp.x, zeroY + (anp.y > zeroY ? m_Coordinate.tickness : -m_Coordinate.tickness));
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ChartHelper.DrawTriangle(vh, alp, cross1, xp1, areaColor);
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ChartHelper.DrawTriangle(vh, anp, cross2, xp2, areaColor);
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}
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}
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}
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}
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if (m_Line.point)
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{
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points.Add(np);
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colorList.Add(color);
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}
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seriesCurrHig[i] += dataHig;
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lp = np;
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}
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if (serie.show)
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{
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serieCount++;
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}
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}
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// draw point
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if (m_Line.point)
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{
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for (int i = 0; i < points.Count; i++)
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{
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Vector3 p = points[i];
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float pointWid = m_Line.pointWidth;
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if (m_Tooltip.show && i % dataCount == m_Tooltip.dataIndex - 1)
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{
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pointWid = pointWid * 1.8f;
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}
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if (m_Theme == Theme.Dark)
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{
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ChartHelper.DrawCricle(vh, p, pointWid, colorList[i],
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(int)m_Line.pointWidth * 5);
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}
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else
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{
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ChartHelper.DrawCricle(vh, p, pointWid, Color.white);
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ChartHelper.DrawDoughnut(vh, p, pointWid - m_Line.tickness,
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pointWid, 0, 360, colorList[i]);
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}
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}
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}
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}
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//draw tooltip line
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if (m_Tooltip.show && m_Tooltip.dataIndex > 0)
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{
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for (int i = 0; i < m_XAxises.Count; i++)
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{
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var axis = m_XAxises[i];
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if (!axis.show) continue;
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float splitWidth = axis.GetSplitWidth(coordinateWid, m_DataZoom);
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float px = zeroX + (m_Tooltip.xValues[i] - 1) * splitWidth
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+ (axis.boundaryGap ? splitWidth / 2 : 0);
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Vector2 sp = new Vector2(px, coordinateY);
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Vector2 ep = new Vector2(px, coordinateY + coordinateHig);
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ChartHelper.DrawLine(vh, sp, ep, m_Coordinate.tickness, m_ThemeInfo.tooltipLineColor);
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if (m_Tooltip.crossLabel)
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{
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sp = new Vector2(zeroX, m_Tooltip.pointerPos.y);
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ep = new Vector2(zeroX + coordinateWid, m_Tooltip.pointerPos.y);
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DrawSplitLine(vh, true, Axis.SplitLineType.Dashed, sp, ep, m_ThemeInfo.tooltipLineColor);
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}
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}
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}
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}
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private void DrawYCategory(VertexHelper vh)
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{
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var stackSeries = m_Series.GetStackSeries();
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int seriesCount = stackSeries.Count;
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int serieCount = 0;
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List<Vector3> points = new List<Vector3>();
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List<Vector3> smoothPoints = new List<Vector3>();
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List<Color> colorList = new List<Color>();
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int dataCount = 0;
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for (int j = 0; j < seriesCount; j++)
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{
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var seriesCurrHig = new Dictionary<int, float>();
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var serieList = stackSeries[j];
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for (int n = 0; n < serieList.Count; n++)
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{
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Serie serie = serieList[n];
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if (!IsActive(serie.name)) continue;
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List<Vector3> lastPoints = new List<Vector3>();
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List<Vector3> lastSmoothPoints = new List<Vector3>();
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Color color = m_ThemeInfo.GetColor(serieCount);
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Vector3 lp = Vector3.zero;
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Vector3 np = Vector3.zero;
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var xAxis = m_XAxises[serie.axisIndex];
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var yAxis = m_YAxises[serie.axisIndex];
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if (!yAxis.show) yAxis = m_YAxises[(serie.axisIndex + 1) % m_YAxises.Count];
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float scaleWid = yAxis.GetDataWidth(coordinateHig, m_DataZoom);
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float startY = zeroY + (yAxis.boundaryGap ? scaleWid / 2 : 0);
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int maxCount = maxShowDataNumber > 0 ?
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(maxShowDataNumber > serie.data.Count ? serie.data.Count : maxShowDataNumber)
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: serie.data.Count;
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dataCount = (maxCount - minShowDataNumber);
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if (m_Line.area && points.Count > 0)
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{
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if (!m_Line.smooth && points.Count > 0)
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{
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for (int m = points.Count - dataCount; m < points.Count; m++)
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{
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lastPoints.Add(points[m]);
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}
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}
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else if (m_Line.smooth && smoothPoints.Count > 0)
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{
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for (int m = 0; m < smoothPoints.Count; m++)
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{
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lastSmoothPoints.Add(smoothPoints[m]);
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}
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smoothPoints.Clear();
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}
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}
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int smoothPointCount = 1;
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for (int i = minShowDataNumber; i < maxCount; i++)
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{
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if (!seriesCurrHig.ContainsKey(i))
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{
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seriesCurrHig[i] = 0;
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}
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float value = serie.data[i];
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float pY = startY + i * scaleWid;
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float pX = seriesCurrHig[i] + coordinateX + m_Coordinate.tickness;
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float dataHig = (value - xAxis.minValue) / (xAxis.maxValue - xAxis.minValue) * coordinateWid;
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np = new Vector3(pX + dataHig, pY);
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if (i > 0)
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{
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if (m_Line.step)
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{
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Vector2 middle1, middle2;
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switch (m_Line.stepTpe)
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{
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case Line.StepType.Start:
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middle1 = new Vector2(np.x, lp.y);
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middle2 = new Vector2(np.x, lp.y - m_Line.tickness);
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ChartHelper.DrawLine(vh, lp, middle1, m_Line.tickness, color);
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ChartHelper.DrawLine(vh, middle2, np, m_Line.tickness, color);
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if (m_Line.area)
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{
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Color areaColor = new Color(color.r, color.g, color.b, color.a * 0.75f);
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ChartHelper.DrawPolygon(vh, new Vector2(zeroX, middle1.y), middle1, np,
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new Vector2(zeroX, np.y), areaColor);
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}
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break;
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case Line.StepType.Middle:
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middle1 = new Vector2(lp.x, (lp.y + np.y) / 2 + m_Line.tickness);
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middle2 = new Vector2(np.x, (lp.y + np.y) / 2 - m_Line.tickness);
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ChartHelper.DrawLine(vh, lp, middle1, m_Line.tickness, color);
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ChartHelper.DrawLine(vh, new Vector2(middle1.x, middle1.y - m_Line.tickness),
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new Vector2(middle2.x, middle2.y + m_Line.tickness), m_Line.tickness, color);
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ChartHelper.DrawLine(vh, middle2, np, m_Line.tickness, color);
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if (m_Line.area)
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{
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Color areaColor = new Color(color.r, color.g, color.b, color.a * 0.75f);
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ChartHelper.DrawPolygon(vh, new Vector2(zeroX, lp.y), lp, middle1,
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new Vector2(zeroX, middle1.y), areaColor);
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ChartHelper.DrawPolygon(vh, new Vector2(zeroX, middle2.y + 2 * m_Line.tickness),
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new Vector2(middle2.x, middle2.y + 2 * m_Line.tickness), np,
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new Vector2(zeroX, np.y), areaColor);
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}
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break;
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case Line.StepType.End:
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middle1 = new Vector2(np.x, lp.y);
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middle2 = new Vector2(np.x, lp.y - m_Line.tickness);
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ChartHelper.DrawLine(vh, lp, middle1, m_Line.tickness, color);
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ChartHelper.DrawLine(vh, middle2, np, m_Line.tickness, color);
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if (m_Line.area)
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{
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Color areaColor = new Color(color.r, color.g, color.b, color.a * 0.75f);
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ChartHelper.DrawPolygon(vh, new Vector2(zeroX, lp.y), middle1,
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new Vector2(np.x, np.y),
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new Vector2(zeroX, np.y), areaColor);
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}
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break;
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}
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}
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else if (m_Line.smooth)
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{
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var list = ChartHelper.GetBezierListVertical(lp, np, m_Line.smoothStyle);
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Vector3 start, to;
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start = list[0];
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for (int k = 1; k < list.Length; k++)
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{
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smoothPoints.Add(list[k]);
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to = list[k];
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ChartHelper.DrawLine(vh, start, to, m_Line.tickness, color);
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if (m_Line.area)
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{
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Vector3 alp = new Vector3(start.x, start.y - m_Line.tickness);
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Vector3 anp = new Vector3(to.x, to.y - m_Line.tickness);
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Vector3 tnp = serieCount > 0 ?
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(smoothPointCount > lastSmoothPoints.Count - 1 ?
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new Vector3(lastSmoothPoints[lastSmoothPoints.Count - 1].x,
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lastSmoothPoints[lastSmoothPoints.Count - 1].y + m_Line.tickness) :
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new Vector3(lastSmoothPoints[smoothPointCount].x,
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lastSmoothPoints[smoothPointCount].y + m_Line.tickness)) :
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new Vector3(zeroX + m_Coordinate.tickness, to.y);
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Vector3 tlp = serieCount > 0 ?
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(smoothPointCount > lastSmoothPoints.Count - 1 ?
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new Vector3(lastSmoothPoints[lastSmoothPoints.Count - 2].x,
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lastSmoothPoints[lastSmoothPoints.Count - 2].y + m_Line.tickness) :
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new Vector3(lastSmoothPoints[smoothPointCount - 1].x,
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lastSmoothPoints[smoothPointCount - 1].y + m_Line.tickness)) :
|
|
new Vector3(zeroX + m_Coordinate.tickness, start.y);
|
|
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);
|
|
Color areaColor = new Color(color.r, color.g, color.b, color.a * 0.75f);
|
|
var cross = ChartHelper.GetIntersection(lp, np, new Vector3(zeroX, zeroY),
|
|
new Vector3(zeroX, zeroY + coordinateHig));
|
|
if (cross == Vector3.zero)
|
|
{
|
|
Vector3 tnp = serieCount > 0 ?
|
|
new Vector3(lastPoints[i].x, lastPoints[i].y + m_Line.tickness) :
|
|
new Vector3(zeroX + m_Coordinate.tickness, np.y);
|
|
Vector3 tlp = serieCount > 0 ?
|
|
new Vector3(lastPoints[i - 1].x, lastPoints[i - 1].y + m_Line.tickness) :
|
|
new Vector3(zeroX + m_Coordinate.tickness, lp.y);
|
|
ChartHelper.DrawPolygon(vh, alp, anp, tnp, tlp, areaColor);
|
|
}
|
|
else
|
|
{
|
|
Vector3 cross1 = new Vector3(cross.x + (alp.x > zeroX ? m_Coordinate.tickness : -m_Coordinate.tickness), cross.y);
|
|
Vector3 cross2 = new Vector3(cross.x + (anp.x > zeroX ? m_Coordinate.tickness : -m_Coordinate.tickness), cross.y);
|
|
Vector3 xp1 = new Vector3(zeroX + (alp.x > zeroX ? m_Coordinate.tickness : -m_Coordinate.tickness), alp.y);
|
|
Vector3 xp2 = new Vector3(zeroX + (anp.x > zeroX ? m_Coordinate.tickness : -m_Coordinate.tickness), anp.y);
|
|
ChartHelper.DrawTriangle(vh, alp, cross1, xp1, areaColor);
|
|
ChartHelper.DrawTriangle(vh, anp, cross2, xp2, 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)
|
|
{
|
|
for (int i = 0; i < m_YAxises.Count; i++)
|
|
{
|
|
var axis = m_YAxises[i];
|
|
if (!axis.show) continue;
|
|
float splitWidth = axis.GetSplitWidth(coordinateHig, m_DataZoom);
|
|
float pY = zeroY + (m_Tooltip.yValues[i] - 1) * splitWidth + (axis.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);
|
|
if (m_Tooltip.crossLabel)
|
|
{
|
|
sp = new Vector2(m_Tooltip.pointerPos.x, zeroY);
|
|
ep = new Vector2(m_Tooltip.pointerPos.x, zeroY + coordinateHig);
|
|
DrawSplitLine(vh, false, Axis.SplitLineType.Dashed, sp, ep, m_ThemeInfo.tooltipLineColor);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|