TransformEditor HUD for SceneView

TransformEditor.cs

// Put this file in the folder Editor
// 2015
// Sean Loper
// TransformEditor 1.1
// HUD For sceneview

using UnityEngine;
using UnityEditor;
using System.Collections;

[CustomEditor(typeof(Transform))]
public class TransformEditor : Editor {
	
	static private bool hide = false;
	static private bool options = false;
	static private bool minimal = true;
	static private Vector2 Offset = new Vector2 (50, -100);
	private Vector3 TransformPosition;
	static private Color FontColor = Color.white;
	static private Color BackgroundColor = Color.white;

	public override void OnInspectorGUI()
	{
		// We get some funky things happening when we use Drawdefaultinspector as opposed to redrawing our own fields.
		Selection.activeTransform.position = EditorGUILayout.Vector3Field ("Position", Selection.activeTransform.position);
		Selection.activeTransform.eulerAngles = EditorGUILayout.Vector3Field ("Rotation", Selection.activeTransform.eulerAngles);
		Selection.activeTransform.localScale = EditorGUILayout.Vector3Field ("Scale", Selection.activeTransform.localScale);
		// Let's allow people to show it in editor
		GUILayout.BeginHorizontal();
		if (GUILayout.Button ("Show GUI")) {
			hide = false;
		}
		if (GUILayout.Button ("Toggle Options")) {
			options = !options;
		}
		GUILayout.EndHorizontal();
		if (options) {
			Offset = EditorGUILayout.Vector2Field("Offset", Offset);
			FontColor = EditorGUILayout.ColorField("Font Color", FontColor);
			BackgroundColor = EditorGUILayout.ColorField("Background Color", BackgroundColor);
			minimal = EditorGUILayout.Toggle("Minimal", minimal);
		}
	}

	void OnSceneGUI()
	{
		// let's set font and background color for the window.
		GUI.color = FontColor;
		GUI.backgroundColor = BackgroundColor;
		// We use this to get the screen position of the selected transform so that we can put our window next to him
		if(Selection.activeTransform != null)
			TransformPosition = Camera.current.WorldToScreenPoint (Selection.activeTransform.position);

		Handles.BeginGUI();

		if (!hide && Selection.activeTransform != null) {
			GUILayout.Window (2, new Rect (TransformPosition.x+Offset.x, Screen.height-TransformPosition.y+Offset.y, 250, 100), (id) => {
				// now we just display the editor values here
				Selection.activeTransform.position = EditorGUILayout.Vector3Field ("Position", Selection.activeTransform.position);
				Selection.activeTransform.eulerAngles = EditorGUILayout.Vector3Field ("Rotation", Selection.activeTransform.eulerAngles);
				Selection.activeTransform.localScale = EditorGUILayout.Vector3Field ("Scale", Selection.activeTransform.localScale);
				// if the minimal option isn't set, we show a few more options to edit in the window..
				if(!minimal){
					Selection.activeTransform.name = EditorGUILayout.TextField("Name", Selection.activeTransform.name);
					Selection.activeTransform.tag = EditorGUILayout.TagField("Tag", Selection.activeTransform.tag);
				}
				// this is just so people can hide it.. if they want to that is.
				if (GUILayout.Button ("Hide GUI")) {
					hide = true;
				}
			}, Selection.activeTransform.name);
		}
		
		Handles.EndGUI();
	}
}