ISupportsEditorTools

Definition

• Type: Interface
• Namespace: UnityEditor.EditorTools
• Assembly: UnityEditor.CoreModule

public interface ISupportsEditorTools : ISupportsOverlays

Remarks

Examples

using System;using System.Collections.Generic;using UnityEditor;using UnityEditor.EditorTools;using UnityEngine;// Register this window as a tool owner with BasicPointsContext as the default context[EditorToolOwner(typeof(BasicPointsContext))]public class BasicPointsEditor : EditorWindow, ISupportsEditorTools{    public List<Vector3> points = new();    Camera m_Camera;    public Camera handlesCamera => GetOrCreateCamera();    [MenuItem("Window/Basic Points Editor")]    static void ShowWindow() => GetWindow<BasicPointsEditor>("Basic Points Editor");    Camera GetOrCreateCamera()    {        if (m_Camera == null)        {            var cameraGO = new GameObject();            cameraGO.hideFlags = HideFlags.HideAndDontSave;            m_Camera = cameraGO.AddComponent<Camera>();            m_Camera.orthographic = true;            m_Camera.orthographicSize = 10f;            m_Camera.transform.forward = Vector3.forward;            m_Camera.transform.position = new Vector3(0f, 0f, -10f);            m_Camera.enabled = false;        }        return m_Camera;    }    void OnDisable()    {        if (m_Camera != null)            DestroyImmediate(m_Camera.gameObject);    }}// Use the `targetToolOwner` parameter to make this context available only in BasicPointsEditor[EditorToolContext("Points Editor", targetToolOwner = typeof(BasicPointsEditor))]public class BasicPointsContext : EditorToolContext{    protected override Type GetEditorToolType(Tool tool) => tool switch    {        Tool.Move => typeof(MovePointTool),        _ => null    };    // Visualize all points while this context is active    public override void OnToolGUI(EditorWindow window)    {        base.OnToolGUI(window);        var pointsWindow = window as BasicPointsEditor;        if (pointsWindow == null)            return;        if (Event.current.type == EventType.Repaint)        {            using (new Handles.DrawingScope(Color.white))            {                for (int i = 0; i < pointsWindow.points.Count; ++i)                {                    var point = pointsWindow.points[i];                    var size = HandleUtility.GetHandleSize(point) * 0.035f;                    Handles.DotHandleCap(0, point, Quaternion.identity, size, EventType.Repaint);                }            }        }    }}// Make this tool available in BasicPointsEditor by targeting BasicPointsContext via the `targetContext` parameter[EditorTool("Create Point", targetContext = typeof(BasicPointsContext), group = typeof(CreationToolsGroup))]public class CreatePointTool : EditorTool{    public override void OnToolGUI(EditorWindow window)    {        var pointsWindow = window as BasicPointsEditor;        if (pointsWindow == null)            return;        var evt = Event.current;        if (evt.type == EventType.MouseDown && evt.button == 0)        {            var ray = HandleUtility.GUIPointToWorldRay(evt.mousePosition);            if (new Plane(Vector3.forward, 0f).Raycast(ray, out var d))                pointsWindow.points.Add(ray.GetPoint(d));            evt.Use();        }    }}// Registered via BasicPointsContext.GetEditorToolType — no attribute required.public class MovePointTool : EditorTool{    public override void OnToolGUI(EditorWindow window)    {        var pointsWindow = window as BasicPointsEditor;        if (pointsWindow == null || pointsWindow.points.Count == 0)            return;        var center = Vector3.zero;        for (int i = 0; i < pointsWindow.points.Count; ++i)            center += pointsWindow.points[i];        center /= pointsWindow.points.Count;        EditorGUI.BeginChangeCheck();        var moved = Handles.PositionHandle(center, Quaternion.identity);        if (EditorGUI.EndChangeCheck())        {            var delta = moved - center;            for (int i = 0; i < pointsWindow.points.Count; ++i)                pointsWindow.points[i] += delta;        }    }}

Properties