Handles.FreeRotateHandle

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public static Quaternion FreeRotateHandle (int id, Quaternion rotation, Vector3 position, float size);
public static Quaternion FreeRotateHandle (Quaternion rotation, Vector3 position, float size);

Parameters

id手柄的控件 ID。
rotation手柄的方向。
position3D 空间中手柄的中心位置。
size手柄的大小。

注意:如果您希望拥有恒定屏幕大小的手柄,请使用 HandleUtility.GetHandleSize。

Returns

Quaternion 通过用户与手柄的交互修改的新旋转值。如果用户没有移动手柄,则将返回您传递给相应函数的值。

Description

创建一个不受约束的旋转手柄。

The handle can rotate freely on all axes. The rotation gizmo has no visible axes and is simply a circle in the Scene view. Users can click and drag from within the circle to provide input rotation to your editor script.


FreeRotate handle seen in the Scene View.

// Name this script "FreeRotateEditor"
using UnityEngine;
using UnityEditor;

[CustomEditor(typeof(FreeRotate))] [CanEditMultipleObjects] public class FreeRotateEditor : Editor { public void OnSceneGUI() { FreeRotate t = (target as FreeRotate);

EditorGUI.BeginChangeCheck(); Quaternion rot = Handles.FreeRotateHandle(t.rot, Vector3.zero, 2); if (EditorGUI.EndChangeCheck()) { Undo.RecordObject(target, "Free Rotate"); t.rot = rot; t.Update(); } } }

附加到此手柄的脚本:

// Name this script "FreeRotate"
using UnityEngine;

[ExecuteInEditMode] public class FreeRotate : MonoBehaviour { public Quaternion rot = Quaternion.identity; public void Update() { transform.rotation = rot; } }