整理代码，去掉warning

Runtime/Internal/CoordinateChart.cs

@@ -531,7 +531,6 @@ namespace XCharts
             float totalWidth = 0;
             float eachWidth = AxisHelper.GetEachWidth(yAxis, m_CoordinateHeight, m_DataZoom);
             float gapWidth = yAxis.boundaryGap ? eachWidth / 2 : 0;
-            float textWidth = AxisHelper.GetScaleWidth(yAxis, m_CoordinateWidth, 0, m_DataZoom);
             for (int i = 0; i < splitNumber; i++)
             {
                 Text txt;

Runtime/Internal/CoordinateChart_DrawLine.cs

@@ -1221,7 +1221,6 @@ namespace XCharts
                 TryAddToList(isTurnBack, isYAxis, smoothPoints, lastSmoothPoint, startUp, false);
                 TryAddToList(isTurnBack, isYAxis, smoothDownPoints, lastSmoothDownPoint, startDn, false);
             }
-            var sourAreaColor = areaColor;
             var bezierPointsCount = bezierPoints.Count;
             for (int k = 1; k < bezierPointsCount; k++)
             {

Runtime/LiquidChart.cs

@@ -102,7 +102,6 @@ namespace XCharts
                 {
                     var cenPos = vessel.runtimeCenterPos;
                     var radius = vessel.runtimeRadius;
-                    var serie = SeriesHelper.GetSerieByVesselIndex(m_Series, vessel.index);
                     ChartDrawer.DrawCricle(vh, cenPos, vessel.runtimeInnerRadius, vessel.backgroundColor, m_Settings.cicleSmoothness);
                 }
             }

Runtime/PieChart.cs

@@ -89,7 +89,6 @@ namespace XCharts
                 for (int n = 0; n < data.Count; n++)
                 {
                     var serieData = data[n];
-                    var itemStyle = SerieHelper.GetItemStyle(serie, serieData, serieData.highlighted);
                     serieData.index = n;
                     float value = isAllZeroValue ? zeroReplaceValue : serieData.GetCurrData(1, dataChangeDuration);
                     serieData.runtimePieStartAngle = startDegree;
@@ -178,8 +177,6 @@ namespace XCharts
                 }
                 if (serie.pieClickOffset) isClickOffset = true;
                 bool dataChanging = false;
-                float dataChangeDuration = serie.animation.GetUpdateAnimationDuration();
-                bool isAllZeroValue = SerieHelper.IsAllZeroValue(serie, 1);
                 for (int n = 0; n < data.Count; n++)
                 {
                     var serieData = data[n];
@@ -298,14 +295,11 @@ namespace XCharts
                 {
                     pos2 = new Vector3(center.x + radius2 * currSin, center.y + radius2 * currCos);
                 }
-                float tx, ty;
                 Vector3 pos4, pos6;
                 var horizontalLineCircleRadius = serieLabel.lineWidth * 4f;
                 var lineCircleDiff = horizontalLineCircleRadius - 0.3f;
                 if (currAngle < 90)
                 {
-                    ty = serieLabel.lineWidth * Mathf.Cos((90 - currAngle) * Mathf.Deg2Rad);
-                    tx = serieLabel.lineWidth * Mathf.Sin((90 - currAngle) * Mathf.Deg2Rad);
                     var r4 = Mathf.Sqrt(radius1 * radius1 - Mathf.Pow(currCos * radius3, 2)) - currSin * radius3;
                     r4 += serieLabel.lineLength1 - lineCircleDiff;
                     pos6 = pos0 + Vector3.right * lineCircleDiff;
@@ -313,8 +307,6 @@ namespace XCharts
                 }
                 else if (currAngle < 180)
                 {
-                    ty = serieLabel.lineWidth * Mathf.Sin((180 - currAngle) * Mathf.Deg2Rad);
-                    tx = serieLabel.lineWidth * Mathf.Cos((180 - currAngle) * Mathf.Deg2Rad);
                     var r4 = Mathf.Sqrt(radius1 * radius1 - Mathf.Pow(currCos * radius3, 2)) - currSin * radius3;
                     r4 += serieLabel.lineLength1 - lineCircleDiff;
                     pos6 = pos0 + Vector3.right * lineCircleDiff;
@@ -322,8 +314,6 @@ namespace XCharts
                 }
                 else if (currAngle < 270)
                 {
-                    ty = serieLabel.lineWidth * Mathf.Sin((180 + currAngle) * Mathf.Deg2Rad);
-                    tx = serieLabel.lineWidth * Mathf.Cos((180 + currAngle) * Mathf.Deg2Rad);
                     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;
@@ -333,8 +323,6 @@ namespace XCharts
                 }
                 else
                 {
-                    ty = serieLabel.lineWidth * Mathf.Cos((90 + currAngle) * Mathf.Deg2Rad);
-                    tx = serieLabel.lineWidth * Mathf.Sin((90 + currAngle) * Mathf.Deg2Rad);
                     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;

Runtime/PolarChart.cs

@@ -20,12 +20,9 @@ namespace XCharts
         [SerializeField] private RadiusAxis m_RadiusAxis = RadiusAxis.defaultRadiusAxis;
         [SerializeField] private AngleAxis m_AngleAxis = AngleAxis.defaultAngleAxis;
 
-        private bool m_CheckMinMaxValue = false;
-
         protected override void Awake()
         {
             base.Awake();
-            m_CheckMinMaxValue = false;
             CheckMinMaxValue();
             UpdateRuntimeValue();
             InitRadiusAxis(m_RadiusAxis);
@@ -233,10 +230,8 @@ namespace XCharts
 
         private void CheckMinMaxValue()
         {
-
             if (m_RadiusAxis.IsCategory() && m_AngleAxis.IsCategory())
             {
-                m_CheckMinMaxValue = true;
                 return;
             }
             UpdateAxisMinMaxValue(0, m_RadiusAxis);
@@ -259,7 +254,6 @@ namespace XCharts
             AxisHelper.AdjustMinMaxValue(axis, ref tempMinValue, ref tempMaxValue, true);
             if (tempMinValue != axis.runtimeMinValue || tempMaxValue != axis.runtimeMaxValue)
             {
-                m_CheckMinMaxValue = true;
                 m_IsPlayingAnimation = true;
                 var needCheck = !m_IsPlayingAnimation && axis.runtimeLastCheckInverse == axis.inverse;
                 axis.UpdateMinValue(tempMinValue, needCheck);

Runtime/RadarChart.cs

@@ -734,7 +734,6 @@ namespace XCharts
             var serie = m_Series.GetSerie(serieIndex);
             var radar = m_Radars[serie.radarIndex];
             var dataIndex = tooltip.runtimeDataIndex[1];
-            StringBuilder sb = new StringBuilder();
             var content = TooltipHelper.GetFormatterContent(m_Tooltip, dataIndex, m_Series, m_ThemeInfo, null, null, false, radar);
             TooltipHelper.SetContentAndPosition(tooltip, content, chartRect);
         }