Handles.Label

参数

描述

在 3D 空间中创建一个文本标签。

标签不与用户交互，不捕捉鼠标点击操作，并始终以正常样式呈现。

\ 场景视图中的标签。

//This script is not an editor script
//Attach this script to a GameObject in your Scene

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

[ExecuteInEditMode]
public class HandleExample : MonoBehaviour
{
    public float shieldArea = 5.0f;

    // Use this for initialization
    void Start()
    {
    }

    // Update is called once per frame
    void Update()
    {
    }
}

//Create a folder and call it "Editor" if one doesn't already exist. Place this script in it.

using UnityEngine;
using System.Collections;
using UnityEditor;

// Create a 180 degrees wire arc with a ScaleValueHandle attached to the disc
// lets you visualize some info of the transform

[CustomEditor(typeof(HandleExample))]
class LabelHandle : Editor
{
    void OnSceneGUI()
    {
        HandleExample handleExample = (HandleExample)target;
        if (handleExample == null)
        {
            return;
        }

        Handles.color = Color.blue;
        Handles.Label(handleExample.transform.position + Vector3.up * 2,
            handleExample.transform.position.ToString() + "\nShieldArea: " +
            handleExample.shieldArea.ToString());

        Handles.BeginGUI();
        if (GUILayout.Button("Reset Area", GUILayout.Width(100)))
        {
            handleExample.shieldArea = 5;
        }
        Handles.EndGUI();


        Handles.DrawWireArc(handleExample.transform.position,
            handleExample.transform.up,
            -handleExample.transform.right,
            180,
            handleExample.shieldArea);
        handleExample.shieldArea =
            Handles.ScaleValueHandle(handleExample.shieldArea,
                handleExample.transform.position + handleExample.transform.forward * handleExample.shieldArea,
                handleExample.transform.rotation,
                1,
                Handles.ConeHandleCap,
                1);
    }
}