Print text at OnDrawGizmos() and OnDrawGizmosSelected() small utiltiy

README.md

show in the scene view. and game view if you enable gizmos

GizmoText.cs

using System;
using UnityEngine;

namespace Utils
{
    public class GizmoText : IDisposable
    {
        private Rect rect = new Rect(5, 5, 120, 20);
        private const int VERTICAL_STEP = 25;
        
        public GizmoText()
        {
            #if UNITY_EDITOR
            UnityEditor.Handles.BeginGUI();
            #endif
        }

        public void AddText(string text)
        {
            GUI.Label(rect, text);
            rect.y += VERTICAL_STEP;
        }
        
        public void Dispose()
        {
            #if UNITY_EDITOR
            UnityEditor.Handles.EndGUI();
            #endif
        }
    }
}

UsageExample.cs

public class UsageExample : MonoBehaviour {
  ...
  private void OnDrawGizmosSelected()
  {
      using var gizmoText = new GizmoText();
      gizmoText.AddText("HelloWorld 1");
      gizmoText.AddText("HelloWorld 2");
      gizmoText.AddText("HelloWorld 3");
  }
  ...
}