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修复LineChart有数据为0时区域图绘制可能异常的问题

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This commit is contained in:
monitor1394
2019-09-16 19:18:36 +08:00
parent f1d7041108
commit 1427e79c3d
1 changed files with 86 additions and 76 deletions
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24
Scripts/UI/LineChart.cs
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@@ -525,24 +525,19 @@ namespace XCharts
var points = ((isYAxis && lp.x < zeroPos.x) || (!isYAxis && lp.y < zeroPos.y)) ? smoothPoints : smoothDownPoints;
Vector3 aep = isYAxis ? new Vector3(zeroPos.x, zeroPos.y + coordinateHig) : new Vector3(zeroPos.x + coordinateWid, zeroPos.y);
var cross = ChartHelper.GetIntersection(points[0], points[points.Count - 1], zeroPos, aep);
var isZeroValue = (isYAxis && cross.x == zeroPos.x) || (!isYAxis && cross.y == zeroPos.y);
if (cross == Vector3.zero || isZeroValue)
if (cross == Vector3.zero || smoothDownPoints.Count <= 3)
{
Vector3 sp = points[0];
Vector3 ep;
for (int i = 1; i < points.Count; i++)
{
ep = points[i];
if(isZeroValue && i == 1){
sp = ep;
continue;
}
if (serie.animation.CheckDetailBreak(ep, isYAxis)) break;
DrawPolygonToZero(vh, sp, ep, axis, zeroPos, areaColor, areaToColor, Vector3.zero);
sp = ep;
}
}
else if (smoothDownPoints.Count > 3)
else
{
var sp1 = smoothDownPoints[1];
var ep1 = smoothDownPoints[smoothDownPoints.Count - 2];
@@ -554,9 +549,23 @@ namespace XCharts
var ldPos = ChartHelper.GetIntersection(sp1, ep1, axisDownStart, axisDownEnd);
sp1 = smoothPoints[1];
ep1 = smoothPoints[smoothPoints.Count - 2];
var ruPos = ChartHelper.GetIntersection(sp1, ep1, axisUpStart, axisUpEnd);
var rdPos = ChartHelper.GetIntersection(sp1, ep1, axisDownStart, axisDownEnd);
Vector3 sp, ep;
if (luPos == Vector3.zero || ldPos == Vector3.zero || ruPos == Vector3.zero || rdPos == Vector3.zero)
{
sp = points[0];
for (int i = 1; i < points.Count; i++)
{
ep = points[i];
if (serie.animation.CheckDetailBreak(ep, isYAxis)) break;
DrawPolygonToZero(vh, sp, ep, axis, zeroPos, areaColor, areaToColor, Vector3.zero);
sp = ep;
}
}
else
{
if ((isYAxis && lp.x >= zeroPos.x) || (!isYAxis && lp.y >= zeroPos.y))
{
sp = smoothDownPoints[0];
@@ -652,6 +661,7 @@ namespace XCharts
}
}
}
}
stPos1 = isDown ? upPos2 : dnPos;
stPos2 = isDown ? dnPos : upPos2;
lastDnPos = dnPos;