From 5145dd09cab55a896d510482f2e22f74b4d4b76f Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Sat, 5 Jun 2021 19:51:03 +0800
Subject: *misc

---
 .../EditorGUIHelper/Editor/EditorHandlesHelper.cs  | 68 +++++++++++++++++++++-
 1 file changed, 67 insertions(+), 1 deletion(-)

(limited to 'UnityCollection/Assets/Tools/EditorGUIHelper/Editor/EditorHandlesHelper.cs')

diff --git a/UnityCollection/Assets/Tools/EditorGUIHelper/Editor/EditorHandlesHelper.cs b/UnityCollection/Assets/Tools/EditorGUIHelper/Editor/EditorHandlesHelper.cs
index 4bf4b8f..3b2d648 100644
--- a/UnityCollection/Assets/Tools/EditorGUIHelper/Editor/EditorHandlesHelper.cs
+++ b/UnityCollection/Assets/Tools/EditorGUIHelper/Editor/EditorHandlesHelper.cs
@@ -13,15 +13,50 @@ public static class EditorHandlesHelper
     static float s_ValueDrag;
     static float s_ScaleDrawLength;
 
+    // style 
+    static GUIStyle s_StyleBlackLabel;
+    static GUIStyle s_StyleWhiteLabel;
+    static Dictionary<int/*color*/, GUIStyle> s_StyleLabels;
+
     static EditorHandlesHelper()
     {
         s_ValueScaleHandleHash = "ValueScaleHandleHash".GetHashCode();
+
+        SetupStyles();
+    }
+
+    static void SetupStyles()
+    {
+        s_StyleBlackLabel = new GUIStyle();
+        s_StyleBlackLabel.normal.textColor = Color.black;
+        s_StyleWhiteLabel = new GUIStyle();
+        s_StyleWhiteLabel.normal.textColor = Color.white;
+        s_StyleLabels = new Dictionary<int, GUIStyle>();
     }
 
     #region 单一handle
 
+    // 箭头
+    public static void Arrow(Vector3 position, Vector3 direction, float length = 1f, float arrowSize = 0.1f, bool dotted = false)
+    {
+        direction = direction.normalized;
+        if(!dotted)
+            Handles.DrawLine(position, position + direction * length);
+        else
+            Handles.DrawDottedLine(position, position + direction * length,1f);
+        Handles.ConeHandleCap(0, position + direction * length, Quaternion.LookRotation(direction, Vector3.up), arrowSize, EventType.Repaint);
+    }
+
+    // 控制数值的箭头
+    public static float ScaleValue(float value, Vector3 position, Vector3 direction, float length, Handles.CapFunction capFunc, Quaternion capRot, float size, float snap = 0)
+    {
+        Handles.DrawLine(position, position + direction * length);
+        value = ScaleValue(value, position + direction, capRot, size, capFunc, snap);
+        return value;
+    }
+
     // 控制数值的handle
-    public static float ScaleValueHandle(float value, Vector3 position, Quaternion rotation, float size, Handles.CapFunction capFunc, float snap)
+    public static float ScaleValue(float value, Vector3 position, Quaternion rotation, float size, Handles.CapFunction capFunc, float snap)
     {
         int controlID = GUIUtility.GetControlID(s_ValueScaleHandleHash, FocusType.Keyboard);
         int id = controlID;
@@ -90,10 +125,41 @@ public static class EditorHandlesHelper
         return value;
     }
 
+    // 带背景的label
+    public static void Label(Vector3 position, string label, Color textColor)
+    {
+        GUIStyle textStyle = TryGetLabelStyleOrCreate(textColor);
+        Handles.Label(position, label, textStyle);
+    }
+
+    public static void WireCube(Vector3 position, Vector3 size, Color col)
+    {
+        Color c = Handles.color;
+        Handles.color = col;
+        Handles.DrawWireCube(position, size);
+        Handles.color = c;
+    }
+
     #endregion
 
     #region 复合handle
 
+    #endregion
+
+    #region 内部方法
+
+    static GUIStyle TryGetLabelStyleOrCreate(Color color)
+    {
+        GUIStyle style;
+        if (!s_StyleLabels.TryGetValue(color.GetHashCode(), out style))
+        {
+            style = new GUIStyle();
+            style.normal.textColor = color;
+            s_StyleLabels.Add(color.GetHashCode(), style);
+        }
+        return style;
+    }
+
     #endregion 
 
 }
-- 
cgit v1.1-26-g67d0