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增加SampleDist采样距离的配置，对过密的曲线开启采样，优化绘制效率

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monitor1394
2019-09-27 18:58:42 +08:00
parent 2d5d5b89bc
commit 7b8fef6d81
5 changed files with 15326 additions and 15247 deletions
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1
Scripts/UI/Internal/BaseChart.cs
View File

@@ -43,6 +43,7 @@ namespace XCharts
[SerializeField] protected int m_MaxShowDataNumber;
[SerializeField] protected int m_MaxCacheDataNumber;
[SerializeField] [Range(1, 8)] private float m_LineSmoothStyle = 2f;
[SerializeField] protected float m_SampleDist;
[NonSerialized] private Theme m_CheckTheme = 0;
[NonSerialized] private Title m_CheckTitle = Title.defaultTitle;

7
Scripts/UI/Internal/BaseChart_API.cs
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@@ -80,6 +80,13 @@ namespace XCharts
/// <value></value>
public float lineSmoothStyle { get { return m_LineSmoothStyle; } set { m_LineSmoothStyle = value; } }
/// <summary>
/// the min pixel dist of sample.
/// 采样的最小像素距离，默认为0时不采样。当两个数据点间的像素距离小于改值时，开启采样，保证两点间的像素距离不小于改值。
/// </summary>
/// <value></value>
public float sampleDist { get { return m_SampleDist; } set { m_SampleDist = value < 0 ? 0 : value; } }
/// <summary>
/// Set the size of chart.
/// 设置图表的大小。

51
Scripts/UI/LineChart.cs
View File

@@ -163,24 +163,34 @@ namespace XCharts
int maxCount = maxShowDataNumber > 0 ?
(maxShowDataNumber > showData.Count ? showData.Count : maxShowDataNumber)
: showData.Count;
int i;
if (seriesHig.Count < minShowDataNumber)
{
for (int i = 0; i < minShowDataNumber; i++)
for (i = 0; i < minShowDataNumber; i++)
{
seriesHig.Add(0);
}
}
for (int i = minShowDataNumber; i < maxCount; i++)
int rate = 1;
if (m_SampleDist > 0) rate = (int)((maxCount - minShowDataNumber) / (coordinateWid / m_SampleDist));
if (rate < 1) rate = 1;
for (i = minShowDataNumber; i < maxCount; i += rate)
{
if (i >= seriesHig.Count)
{
seriesHig.Add(0);
for (int j = 0; j < rate; j++) seriesHig.Add(0);
}
float yValue = showData[i].data[1];
seriesHig[i] += GetDataPoint(xAxis, yAxis, showData, yValue, startX, i, scaleWid, seriesHig[i], ref np);
serie.dataPoints.Add(np);
lp = np;
}
if (maxCount % rate != 0)
{
i = maxCount - 1;
seriesHig.Add(0);
float yValue = showData[i].data[1];
seriesHig[i] += GetDataPoint(xAxis, yAxis, showData, yValue, startX, i, scaleWid, seriesHig[i], ref np);
serie.dataPoints.Add(np);
}
if (serie.dataPoints.Count <= 0)
{
@@ -191,7 +201,7 @@ namespace XCharts
float currDetailProgress = lp.x;
float totalDetailProgress = serie.dataPoints[dataCount - 1].x;
serie.animation.InitProgress(dataCount, currDetailProgress, totalDetailProgress);
for (int i = 1; i < serie.dataPoints.Count; i++)
for (i = 1; i < serie.dataPoints.Count; i++)
{
np = serie.dataPoints[i];
serie.ClearSmoothList(i);
@@ -237,7 +247,7 @@ namespace XCharts
if (!serie.animation.IsFinish())
{
float duration = serie.animation.duration > 0 ? (float)serie.animation.duration / 1000 : 1;
float speed = totalDetailProgress / duration;
float speed = totalDetailProgress / duration;
float symbolSpeed = serie.symbol.size / duration;
serie.animation.CheckProgress(Time.deltaTime * speed);
serie.animation.CheckSymbol(Time.deltaTime * symbolSpeed, serie.symbol.size);
@@ -331,19 +341,24 @@ namespace XCharts
int maxCount = maxShowDataNumber > 0 ?
(maxShowDataNumber > showData.Count ? showData.Count : maxShowDataNumber)
: showData.Count;
int i = 0;
if (seriesHig.Count < minShowDataNumber)
{
for (int i = 0; i < minShowDataNumber; i++)
for (i = 0; i < minShowDataNumber; i++)
{
seriesHig.Add(0);
}
}
var fine = isStack && m_Series.IsAnyGradientSerie(serie.stack);
for (int i = minShowDataNumber; i < maxCount; i++)
int rate = 1;
if (m_SampleDist > 0) rate = (int)((maxCount - minShowDataNumber) / (coordinateWid / m_SampleDist));
if (rate < 1) rate = 1;
for (i = minShowDataNumber; i < maxCount; i += rate)
{
if (i >= seriesHig.Count)
{
seriesHig.Add(0);
for (int j = 0; j < rate; j++) seriesHig.Add(0);
}
float value = showData[i].data[1];
float pY = startY + i * scaleWid;
@@ -352,15 +367,25 @@ namespace XCharts
np = new Vector3(pX + dataHig, pY);
serie.dataPoints.Add(np);
seriesHig[i] += dataHig;
lp = np;
}
if (maxCount % rate != 0)
{
i = maxCount - 1;
seriesHig.Add(0);
float value = showData[i].data[1];
float pY = startY + i * scaleWid;
float pX = seriesHig[i] + coordinateX + yAxis.axisLine.width;
float dataHig = (value - xAxis.minValue) / (xAxis.maxValue - xAxis.minValue) * coordinateWid;
np = new Vector3(pX + dataHig, pY);
serie.dataPoints.Add(np);
seriesHig[i] += dataHig;
}
lp = serie.dataPoints[0];
int dataCount = serie.dataPoints.Count;
float currDetailProgress = lp.y;
float totalDetailProgress = serie.dataPoints[dataCount - 1].y;
serie.animation.InitProgress(dataCount, currDetailProgress, totalDetailProgress);
for (int i = 1; i < serie.dataPoints.Count; i++)
for (i = 1; i < serie.dataPoints.Count; i++)
{
np = serie.dataPoints[i];
serie.ClearSmoothList(i);