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增加环形图doughnut

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monitor1394
2018-09-23 09:09:17 +08:00
parent cfb6cdb4b5
commit a1aa6269c8
3 changed files with 65 additions and 23 deletions
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43
Scripts/ChartUtils.cs
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@@ -156,14 +156,22 @@ namespace xcharts
}
public static void DrawCricle(VertexHelper vh, Vector3 p, float radius, Color color,
int segments)
int segments = 0)
{
if(segments <= 0)
{
segments = (int)((2 * Mathf.PI * radius) / 10f);
}
DrawSector(vh, p, radius, color, segments, 0, 360);
}
public static void DrawSector(VertexHelper vh, Vector3 p, float radius, Color color,
int segments, float startDegree, float toDegree)
float startDegree, float toDegree, int segments = 0)
{
if (segments <= 0)
{
segments = (int)((2 * Mathf.PI * radius) / 10f);
}
List<UIVertex> vertexs = new List<UIVertex>();
vh.GetUIVertexStream(vertexs);
Vector3 p2, p3;
@@ -179,6 +187,37 @@ namespace xcharts
}
}
public static void DrawDoughnut(VertexHelper vh,Vector3 p,float insideRadius,float outsideRadius,
float startDegree, float toDegree, Color color, int segments = 0)
{
if(insideRadius<=0)
{
DrawSector(vh, p, outsideRadius, color,startDegree, toDegree, segments);
return;
}
if (segments <= 0)
{
segments = (int)((2 * Mathf.PI * outsideRadius) / 10f);
}
List<UIVertex> vertexs = new List<UIVertex>();
vh.GetUIVertexStream(vertexs);
Vector3 p1, p2, p3, p4;
float startAngle = startDegree * Mathf.Deg2Rad;
float angle = (toDegree - startDegree) * Mathf.Deg2Rad / segments;
p1 = new Vector3(p.x + insideRadius * Mathf.Sin(startAngle), p.y + insideRadius * Mathf.Cos(startAngle));
p2 = new Vector3(p.x + outsideRadius * Mathf.Sin(startAngle), p.y + outsideRadius * Mathf.Cos(startAngle));
for (int i = 0; i <= segments; i++)
{
float currAngle = startAngle + i * angle;
p3 = new Vector3(p.x + outsideRadius * Mathf.Sin(currAngle), p.y + outsideRadius * Mathf.Cos(currAngle));
p4 = new Vector3(p.x + insideRadius * Mathf.Sin(currAngle), p.y + insideRadius * Mathf.Cos(currAngle));
DrawPolygon(vh, p1, p2, p3, p4, color);
p1 = p4;
p2 = p3;
}
}
public static List<Vector3> GetBezierList(Vector3 sp, Vector3 ep, float k = 2.0f)
{