314 lines
11 KiB
C#
314 lines
11 KiB
C#
using UnityEngine;
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using XericLibrary.Runtime.UIGraph;
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using TMPro;
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namespace XericUI.XChart.Radar
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{
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/// <summary>
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/// 雷达图网格背景工具。
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///
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/// 使用 UILineRendererV2 绘制：
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/// 1. 同心多边形网格（外圈 + 内圈百分比环）
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/// 2. 从中心到各维度的轴线
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/// 3. 每个维度端点的 TMP 标签
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///
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/// 子节点结构：
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/// [ChartTool_RadarBg]
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/// ├─ GridRenderer (UILineRendererV2) — 网格线
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/// ├─ AxisRenderer (UILineRendererV2) — 轴线
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/// └─ [Labels] (transform)
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/// ├─ Label_0 (TMP_Text)
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/// ├─ Label_1 (TMP_Text)
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/// └─ ...
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/// </summary>
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[AddComponentMenu("Xeric/XChart/Radar/Radar Background Tool")]
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public class ChartToolRadarBg : XChartToolBase
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{
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// ── 配置 ──────────────────────────────────────────────────
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/// <summary>雷达图半径（像素）</summary>
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public float Radius { get; set; } = 120f;
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/// <summary>中心位置</summary>
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public Vector2 Center { get; set; } = Vector2.zero;
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/// <summary>维度数量</summary>
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public int DimensionCount { get; set; } = 5;
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/// <summary>维度名称列表</summary>
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public string[] DimensionNames { get; set; } = new string[0];
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/// <summary>网格环数量（含外圈）</summary>
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public int RingCount { get; set; } = 4;
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/// <summary>网格颜色</summary>
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public Color GridColor { get; set; } = new Color(0.5f, 0.5f, 0.5f, 0.3f);
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/// <summary>轴线颜色</summary>
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public Color AxisColor { get; set; } = new Color(0.5f, 0.5f, 0.5f, 0.2f);
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/// <summary>网格线宽</summary>
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public float GridThickness { get; set; } = 1f;
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/// <summary>轴线宽</summary>
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public float AxisThickness { get; set; } = 1f;
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/// <summary>是否显示网格</summary>
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public bool ShowGrid { get; set; } = true;
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/// <summary>是否显示轴线</summary>
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public bool ShowAxis { get; set; } = true;
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/// <summary>是否显示标签</summary>
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public bool ShowLabels { get; set; } = true;
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/// <summary>标签字体大小</summary>
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public float LabelFontSize { get; set; } = 14f;
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/// <summary>标签颜色</summary>
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public Color LabelColor { get; set; } = Color.white;
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/// <summary>标签相对端点的偏移量（像素）</summary>
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public float LabelOffset { get; set; } = 10f;
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// ── 内部组件 ──────────────────────────────────────────────
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/// <summary>网格线渲染器</summary>
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public UILineRendererV2 GridRenderer { get; private set; }
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/// <summary>轴线渲染器</summary>
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public UILineRendererV2 AxisRenderer { get; private set; }
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/// <summary>标签的父变换</summary>
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public Transform LabelsRoot { get; private set; }
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/// <summary>所有标签文本组件</summary>
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public TMP_Text[] LabelTexts { get; private set; }
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// ── 内部状态 ──────────────────────────────────────────────
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private bool m_DataDirty = true;
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// ── 初始化 ────────────────────────────────────────────────
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protected override void OnInitialize()
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{
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// 创建网格线渲染器
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GridRenderer = CreateChildComponent<UILineRendererV2>("GridRenderer");
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if (GridRenderer != null)
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{
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var rt = GridRenderer.rectTransform;
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rt.anchorMin = Vector2.zero;
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rt.anchorMax = Vector2.one;
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rt.offsetMin = Vector2.zero;
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rt.offsetMax = Vector2.zero;
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}
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// 创建轴线渲染器
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AxisRenderer = CreateChildComponent<UILineRendererV2>("AxisRenderer");
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if (AxisRenderer != null)
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{
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var rt = AxisRenderer.rectTransform;
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rt.anchorMin = Vector2.zero;
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rt.anchorMax = Vector2.one;
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rt.offsetMin = Vector2.zero;
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rt.offsetMax = Vector2.zero;
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}
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// 创建标签父节点
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var labelsObj = CreateChild("Labels");
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LabelsRoot = labelsObj;
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}
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// ── 标记脏 ────────────────────────────────────────────────
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public void MarkDirty()
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{
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m_DataDirty = true;
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}
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// ── 渲染 ──────────────────────────────────────────────────
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public override void OnRender()
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{
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base.OnRender();
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if (!m_DataDirty) return;
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m_DataDirty = false;
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DrawGrid();
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DrawAxis();
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UpdateLabels();
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}
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// ── 网格绘制 ──────────────────────────────────────────────
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private void DrawGrid()
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{
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if (GridRenderer == null) return;
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GridRenderer.ClearAll();
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if (!ShowGrid || DimensionCount < 3) return;
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// 预计算所有维度的方向
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int dims = DimensionCount;
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var dirs = XChartRadarDataModel.GetDimensionDirections(dims);
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// 绘制同心多边形环
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for (int ring = 1; ring <= RingCount; ring++)
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{
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float r = Radius * ring / RingCount;
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// 构建多边形顶点
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var pts = new Vector2[dims + 1];
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for (int i = 0; i < dims; i++)
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pts[i] = Center + dirs[i] * r;
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pts[dims] = pts[0]; // 闭合
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// 绘制每个线段
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for (int i = 0; i < dims; i++)
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{
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GridRenderer.DrawLine(pts[i], pts[i + 1],
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GridColor, GridThickness);
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}
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}
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}
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// ── 轴线绘制 ──────────────────────────────────────────────
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private void DrawAxis()
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{
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if (AxisRenderer == null) return;
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AxisRenderer.ClearAll();
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if (!ShowAxis || DimensionCount < 3) return;
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int dims = DimensionCount;
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var dirs = XChartRadarDataModel.GetDimensionDirections(dims);
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for (int i = 0; i < dims; i++)
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{
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Vector2 end = Center + dirs[i] * Radius;
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AxisRenderer.DrawLine(Center, end, AxisColor, AxisThickness);
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}
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}
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// ── 标签管理 ──────────────────────────────────────────────
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private void UpdateLabels()
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{
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if (LabelsRoot == null) return;
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int dims = DimensionCount;
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var dirs = XChartRadarDataModel.GetDimensionDirections(dims);
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// 确保标签数量匹配
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EnsureLabelCount(dims);
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bool show = ShowLabels && dims >= 3;
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for (int i = 0; i < dims; i++)
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{
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var label = LabelTexts[i];
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if (label == null) continue;
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label.gameObject.SetActive(show);
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if (!show) continue;
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// 设置文本
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string name = (i < DimensionNames.Length && DimensionNames[i] != null)
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? DimensionNames[i]
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: $"Dim {i}";
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label.text = name;
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label.fontSize = LabelFontSize;
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label.color = LabelColor;
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// 计算标签位置：端点向外偏移
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Vector2 endPos = Center + dirs[i] * Radius;
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Vector2 labelPos = endPos + dirs[i] * LabelOffset;
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// 对齐方式：根据方向决定
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float angle = Mathf.Atan2(dirs[i].y, dirs[i].x) * Mathf.Rad2Deg;
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if (angle > -45f && angle <= 45f)
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label.alignment = TextAlignmentOptions.Left;
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else if (angle > 45f && angle <= 135f)
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label.alignment = TextAlignmentOptions.Bottom;
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else if (angle > 135f || angle <= -135f)
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label.alignment = TextAlignmentOptions.Right;
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else
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label.alignment = TextAlignmentOptions.Top;
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// 应用位置
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var rt = label.rectTransform;
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rt.anchoredPosition = labelPos;
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rt.anchorMin = new Vector2(0.5f, 0.5f);
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rt.anchorMax = new Vector2(0.5f, 0.5f);
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rt.pivot = new Vector2(0.5f, 0.5f);
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}
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// 隐藏多余的标签
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for (int i = dims; i < LabelTexts.Length; i++)
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{
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if (LabelTexts[i] != null)
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LabelTexts[i].gameObject.SetActive(false);
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}
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}
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/// <summary>确保标签数组长度匹配维度数量</summary>
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private void EnsureLabelCount(int count)
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{
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if (LabelTexts != null && LabelTexts.Length == count)
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return;
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// 清理旧的标签
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if (LabelTexts != null)
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{
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foreach (var label in LabelTexts)
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{
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if (label != null && label.gameObject != null)
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{
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if (Application.isPlaying)
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Object.Destroy(label.gameObject);
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else
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Object.DestroyImmediate(label.gameObject);
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}
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}
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}
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LabelTexts = new TMP_Text[count];
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for (int i = 0; i < count; i++)
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{
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var labelObj = new GameObject($"Label_{i}", typeof(RectTransform));
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labelObj.transform.SetParent(LabelsRoot, false);
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labelObj.hideFlags = CurrentFlags;
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var tmp = labelObj.AddComponent<TextMeshProUGUI>();
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tmp.text = "";
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tmp.fontSize = LabelFontSize;
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tmp.color = LabelColor;
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tmp.alignment = TextAlignmentOptions.Center;
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var rt = tmp.rectTransform;
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rt.anchorMin = new Vector2(0.5f, 0.5f);
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rt.anchorMax = new Vector2(0.5f, 0.5f);
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rt.pivot = new Vector2(0.5f, 0.5f);
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rt.sizeDelta = new Vector2(100f, 24f);
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LabelTexts[i] = tmp;
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}
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}
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// ── 清理 ──────────────────────────────────────────────────
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protected override void OnDispose()
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{
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GridRenderer = null;
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AxisRenderer = null;
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LabelsRoot = null;
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LabelTexts = null;
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}
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}
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}
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