Version: 2022.2

EditorToolAttribute

class in UnityEditor.EditorTools

/

继承自:EditorTools.ToolAttribute

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描述

Registers an EditorTool as either a Global tool or a Component tool for a specific target type.

A Global tool works on any selection. A Global tool is also always available from the top toolbar. A Component tool, like a CustomEditor, is only available for selections that match a target type.

using System;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEditor;
using UnityEditor.EditorTools;
using UnityEngine.Rendering;

// By passing `typeof(MeshFilter)` as the second argument, we register VertexTool as a CustomEditor tool to be presented // when the current selection contains a MeshFilter component. [EditorTool("Show Vertices", typeof(MeshFilter))] class VertexTool : EditorTool { struct TransformAndPositions { public Transform transform; public Vector3[] positions; }

IEnumerable<TransformAndPositions> m_Vertices; GUIContent m_ToolbarIcon;

public override GUIContent toolbarIcon { get { if (m_ToolbarIcon == null) m_ToolbarIcon = new GUIContent( AssetDatabase.LoadAssetAtPath<Texture2D>("Assets/Examples/Icons/VertexTool.png"), "Vertex Visualization Tool"); return m_ToolbarIcon; } }

void OnEnable() { EditorTools.activeToolChanged += ActiveToolDidChange; }

void OnDisable() { EditorTools.activeToolChanged -= ActiveToolDidChange; }

void ActiveToolDidChange() { if (!EditorTools.IsActiveTool(this)) return;

m_Vertices = targets.Select(x => { return new TransformAndPositions() { transform = ((MeshFilter)x).transform, positions = ((MeshFilter)x).sharedMesh.vertices }; }).ToArray(); }

public override void OnToolGUI(EditorWindow window) { var evt = Event.current;

if (evt.type == EventType.Repaint) { var zTest = Handles.zTest; Handles.zTest = CompareFunction.LessEqual;

foreach (var entry in m_Vertices) { foreach (var vertex in entry.positions) { var world = entry.transform.TransformPoint(vertex); Handles.DotHandleCap(0, world, Quaternion.identity, HandleUtility.GetHandleSize(world) * .05f, evt.type); } }

Handles.zTest = zTest; } } }

构造函数

EditorToolAttributeRegisters an EditorTool as either a Global tool or a CustomEditor tool.

继承的成员

变量

displayName在菜单中显示的名称。
targetContextIf provided, the EditorTool will only be made available when the ToolManager.activeContextType is equal to targetContext.
targetTypeSet to the type that this EditorTool or EditorToolContext can edit. Set to null if the tool is not specific to a Component and should be available at any time.
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