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增加环形图doughnut

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This commit is contained in:
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)
{

11
Scripts/PieChart.cs
View File

@@ -14,7 +14,8 @@ namespace xcharts
[System.Serializable]
public class PieInfo
{
public float radius = 80f;
public float insideRadius = 0f;
public float outsideRadius = 80f;
public float space;
public float left;
public float right;
@@ -65,8 +66,8 @@ namespace xcharts
float value = pieInfo.dataList[i].value;
float degree = totalDegree * value / dataTotal;
float toDegree = startDegree + degree;
ChartUtils.DrawSector(vh, new Vector3(pieCenterX, pieCenterY), pieRadius, legend.GetColor(i), 360,
startDegree, toDegree);
ChartUtils.DrawDoughnut(vh, new Vector3(pieCenterX, pieCenterY), pieInfo.insideRadius, pieRadius,
startDegree, toDegree, legend.GetColor(i));
startDegree = toDegree;
}
}
@@ -95,7 +96,7 @@ namespace xcharts
float diffX = chartWid - pieInfo.left - pieInfo.right;
float diffY = chartHig - pieInfo.top - pieInfo.bottom;
float diff = Mathf.Min(diffX, diffY);
if(pieInfo.radius <= 0)
if(pieInfo.outsideRadius <= 0)
{
pieRadius = diff / 3 * 2;
pieCenterX = pieInfo.left + pieRadius;
@@ -103,7 +104,7 @@ namespace xcharts
}
else
{
pieRadius = pieInfo.radius;
pieRadius = pieInfo.outsideRadius;
pieCenterX = chartWid / 2;
pieCenterY = chartHig / 2;
if (pieInfo.left > 0) pieCenterX = pieInfo.left + pieRadius;