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优化PieChart文本堆叠和引线效果#85

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monitor1394
2020-08-11 08:47:20 +08:00
parent e1936fcffc
commit d0fafae3db
6 changed files with 48 additions and 13 deletions
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32
Runtime/Internal/Utility/ChartDrawer.cs
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@@ -49,6 +49,38 @@ namespace XCharts
vh.AddUIVertexQuad(vertex);
}
public static void DrawLine(VertexHelper vh, Vector3 start, Vector3 middle, Vector3 end, float size, Color32 color)
{
var dir1 = (middle - start).normalized;
var dir2 = (end - middle).normalized;
var dir1v = Vector3.Cross(dir1, Vector3.forward).normalized;
var dir2v = Vector3.Cross(dir2, Vector3.forward).normalized;
var dir3 = (dir1 + dir2).normalized;
var isDown = Vector3.Cross(dir1, dir2).z <= 0;
var angle = (180 - Vector3.Angle(dir1, dir2)) * Mathf.Deg2Rad / 2;
var diff = size / Mathf.Sin(angle);
var dirDp = Vector3.Cross(dir3, Vector3.forward).normalized;
var dnPos = middle + (isDown ? dirDp : -dirDp) * diff;
var upPos1 = middle + (isDown ? -dir1v : dir1v) * size;
var upPos2 = middle + (isDown ? -dir2v : dir2v) * size;
var startUp = start - dir1v * size;
var startDn = start + dir1v * size;
var endUp = end - dir2v * size;
var endDn = end + dir2v * size;
if (isDown)
{
DrawPolygon(vh, startDn, startUp, upPos1, dnPos, color);
DrawPolygon(vh, dnPos, upPos2, endUp, endDn, color);
DrawTriangle(vh, dnPos, upPos1, upPos2, color);
}
else
{
DrawPolygon(vh, startDn, startUp, dnPos, upPos1, color);
DrawPolygon(vh, upPos2, dnPos, endUp, endDn, color);
DrawTriangle(vh, dnPos, upPos1, upPos2, color);
}
}
public static void DrawDashLine(VertexHelper vh, Vector3 p1, Vector3 p2, float size, Color32 color,
float dashLen = 15f, float blankLen = 7f, List<Vector3> posList = null)
{