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PieChart增加Tooltip

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This commit is contained in:
monitor1394
2019-03-20 07:35:32 +08:00
parent 9e57dc3d09
commit ec8fe6f01f
3 changed files with 522 additions and 418 deletions
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26
Assets/XCharts/Scripts/ChartUtils.cs
View File

@@ -8,7 +8,7 @@ namespace xcharts
{
private static float CRICLE_SMOOTHNESS = 1f;
public static Text AddTextObject(string name, Transform parent, Font font, Color color,
TextAnchor anchor,Vector2 anchorMin, Vector2 anchorMax, Vector2 pivot, Vector2 sizeDelta,
TextAnchor anchor, Vector2 anchorMin, Vector2 anchorMax, Vector2 pivot, Vector2 sizeDelta,
int fontSize = 14)
{
GameObject txtObj;
@@ -46,7 +46,7 @@ namespace xcharts
return txtObj.GetComponent<Text>();
}
public static Button AddButtonObject(string name, Transform parent, Font font,Color color,
public static Button AddButtonObject(string name, Transform parent, Font font, Color color,
Vector2 anchorMin, Vector2 anchorMax, Vector2 pivot, Vector2 sizeDelta)
{
GameObject btnObj;
@@ -65,7 +65,7 @@ namespace xcharts
btnObj.AddComponent<Image>();
btnObj.AddComponent<Button>();
Text txt = AddTextObject("Text", btnObj.transform, font,color, TextAnchor.MiddleCenter,
Text txt = AddTextObject("Text", btnObj.transform, font, color, TextAnchor.MiddleCenter,
Vector2.zero, Vector2.zero, Vector2.zero, sizeDelta);
txt.text = "Text";
}
@@ -82,7 +82,7 @@ namespace xcharts
return btnObj.GetComponent<Button>();
}
public static GameObject AddTooltipObject(string name,Transform parent, Font font)
public static GameObject AddTooltipObject(string name, Transform parent, Font font)
{
GameObject tooltipObj;
if (parent.Find(name))
@@ -112,7 +112,7 @@ namespace xcharts
rect.anchorMin = new Vector2(0, 1);
rect.pivot = new Vector2(0, 1);
rect.sizeDelta = new Vector2(100, 100);
tooltipObj.GetComponentInChildren<Text>().transform.localPosition = new Vector2(3,-3);
tooltipObj.GetComponentInChildren<Text>().transform.localPosition = new Vector2(3, -3);
return tooltipObj;
}
@@ -194,9 +194,9 @@ namespace xcharts
}
public static void DrawCricle(VertexHelper vh, Vector3 p, float radius, Color color,
int segments = 0,bool fill = true)
int segments = 0, bool fill = true)
{
if(segments <= 0)
if (segments <= 0)
{
segments = (int)((2 * Mathf.PI * radius) / CRICLE_SMOOTHNESS);
}
@@ -226,7 +226,7 @@ namespace xcharts
}
}
public static void DrawSector(VertexHelper vh, Vector3 p, float radius, Color color,
public static void DrawSector(VertexHelper vh, Vector3 p, float radius, Color color,
float startDegree, float toDegree, int segments = 0)
{
if (segments <= 0)
@@ -237,24 +237,24 @@ namespace xcharts
vh.GetUIVertexStream(vertexs);
Vector3 p2, p3;
float startAngle = startDegree * Mathf.Deg2Rad;
float angle = (toDegree-startDegree) * Mathf.Deg2Rad / segments;
float angle = (toDegree - startDegree) * Mathf.Deg2Rad / segments;
p2 = new Vector3(p.x + radius * Mathf.Sin(startAngle), p.y + radius * Mathf.Cos(startAngle));
for (int i = 0; i <= segments; i++)
{
float currAngle = startAngle + i * angle;
p3 = new Vector3(p.x + radius * Mathf.Sin(currAngle),
p3 = new Vector3(p.x + radius * Mathf.Sin(currAngle),
p.y + radius * Mathf.Cos(currAngle));
DrawTriangle(vh, vertexs, p, p2, p3, color);
p2 = p3;
}
}
public static void DrawDoughnut(VertexHelper vh,Vector3 p,float insideRadius,float outsideRadius,
public static void DrawDoughnut(VertexHelper vh, Vector3 p, float insideRadius, float outsideRadius,
float startDegree, float toDegree, Color color, int segments = 0)
{
if(insideRadius<=0)
if (insideRadius <= 0)
{
DrawSector(vh, p, outsideRadius, color,startDegree, toDegree, segments);
DrawSector(vh, p, outsideRadius, color, startDegree, toDegree, segments);
return;
}
if (segments <= 0)

103
Assets/XCharts/Scripts/PieChart.cs
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@@ -1,4 +1,5 @@
using System.Collections.Generic;
using System.Text;
using UnityEngine;
using UnityEngine.UI;
@@ -10,6 +11,7 @@ namespace xcharts
public string name;
public float insideRadius = 0f;
public float outsideRadius = 80f;
public float tooltipExtraRadius = 10f;
public bool outsideRadiusDynamic = false;
public float space;
public float left;
@@ -26,6 +28,8 @@ namespace xcharts
private float pieCenterX = 0f;
private float pieCenterY = 0f;
private float pieRadius = 0;
private Vector2 pieCenter;
private List<float> angleList = new List<float>();
protected override void Awake()
{
@@ -45,9 +49,14 @@ namespace xcharts
float startDegree = 0;
float dataTotal = GetDataTotal();
float dataMax = GetDataMax();
angleList.Clear();
for (int i = 0; i < seriesList.Count; i++)
{
if (!legend.IsShowSeries(i)) continue;
if (!legend.IsShowSeries(i))
{
angleList.Add(0);
continue;
}
float value = seriesList[i].dataList[0];
float degree = totalDegree * value / dataTotal;
float toDegree = startDegree + degree;
@@ -55,8 +64,13 @@ namespace xcharts
float outSideRadius = pieInfo.outsideRadiusDynamic ?
pieInfo.insideRadius + (pieRadius - pieInfo.insideRadius) * value / dataMax :
pieRadius;
ChartUtils.DrawDoughnut(vh, new Vector3(pieCenterX, pieCenterY), pieInfo.insideRadius,
if (tooltip.show && tooltip.DataIndex == i + 1)
{
outSideRadius += pieInfo.tooltipExtraRadius;
}
ChartUtils.DrawDoughnut(vh, pieCenter, pieInfo.insideRadius,
outSideRadius, startDegree, toDegree, themeInfo.GetColor(i));
angleList.Add(toDegree);
startDegree = toDegree;
}
}
@@ -114,6 +128,91 @@ namespace xcharts
if (pieInfo.top > 0) pieCenterY = chartHig - pieInfo.top - pieRadius;
if (pieInfo.bottom > 0) pieCenterY = pieInfo.bottom + pieRadius;
}
pieCenter = new Vector2(pieCenterX, pieCenterY);
}
protected override void CheckTootipArea(Vector2 local)
{
float dist = Vector2.Distance(local, pieCenter);
if (dist > pieRadius)
{
tooltip.DataIndex = 0;
RefreshTooltip();
}
else
{
Vector2 dir = local - pieCenter;
float angle = VectorAngle(Vector2.up, dir);
tooltip.DataIndex = 0;
for (int i = angleList.Count - 1; i >= 0; i--)
{
if (i == 0 && angle < angleList[i])
{
tooltip.DataIndex = 1;
break;
}
else if (angle < angleList[i] && angle > angleList[i - 1])
{
tooltip.DataIndex = i + 1;
break;
}
}
}
if (tooltip.DataIndex > 0)
{
tooltip.UpdatePos(new Vector2(local.x + 18, local.y - 25));
RefreshTooltip();
if (tooltip.LastDataIndex != tooltip.DataIndex)
{
RefreshChart();
}
tooltip.LastDataIndex = tooltip.DataIndex;
}
}
float VectorAngle(Vector2 from, Vector2 to)
{
float angle;
Vector3 cross = Vector3.Cross(from, to);
angle = Vector2.Angle(from, to);
angle = cross.z > 0 ? -angle : angle;
angle = (angle + 360) % 360;
return angle;
}
protected override void RefreshTooltip()
{
base.RefreshTooltip();
int index = tooltip.DataIndex - 1;
if (index < 0)
{
tooltip.SetActive(false);
return;
}
tooltip.SetActive(true);
string strColor = ColorUtility.ToHtmlStringRGBA(themeInfo.GetColor(index));
string key = legend.dataList[index];
float value = seriesList[index].dataList[0];
string txt = "";
if (!string.IsNullOrEmpty(pieInfo.name))
{
txt += pieInfo.name + "\n";
}
txt += string.Format("<color=#{0}>● </color>{1}: {2}", strColor, key, value);
tooltip.UpdateTooltipText(txt);
var pos = tooltip.GetPos();
if (pos.x + tooltip.Width > chartWid)
{
pos.x = chartWid - tooltip.Width;
}
if (pos.y - tooltip.Height < 0)
{
pos.y = tooltip.Height;
}
tooltip.UpdatePos(pos);
}
}
}

811
Assets/demo_test.unity
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