Blog - Mark Center andExtents

MarkCenterAndExtents.cs

using UnityEngine;
using static UnityEditor.Handles;
using static UnityEngine.Color;
using static UnityEngine.Gizmos;

[ExecuteAlways]
[RequireComponent(typeof(Renderer))]
public class MarkCenterAndExtents : MonoBehaviour
{
    private const float RADIUS = 0.02f;
    private GUIStyle _labelStyle;
    private Renderer _renderer;

    private void Start()
    {
        _renderer = GetComponent<Renderer>();
        _labelStyle = new GUIStyle
        {
            fontSize = 40,
            fontStyle = FontStyle.Bold,
            contentOffset = new Vector2(20, 0)
        };
    }

    private void OnDrawGizmos()
    {
        var bounds = _renderer.bounds;
        Gizmos.color = white;
        Vector2 center = bounds.center;
        DrawSphere(center, RADIUS);
        Label(center, $"Centre: {center}", _labelStyle);
        Gizmos.color = red;
        Vector2 extents = bounds.extents;
        DrawSphere(extents, RADIUS);
        Label(extents, $"Extent:  {extents}", _labelStyle);
    }
}