EditorGUILayout.Space

Description

Make a small space between the previous control and the following.

Custom inspector that shows the X,Y,Z,W quaternion components of a transform.

using UnityEditor;
using UnityEngine;

public class EditorGUILayoutSpaceField : EditorWindow {

    bool fold = true;
    Vector4 rotationComponents;
    Transform selectedTransform;
    
    [MenuItem("Examples/Space between controls")]
    static void Init() {
        EditorWindow window = GetWindow(typeof(EditorGUILayoutSpaceField));
        window.Show();
    }    
     
    void OnGUI() {
        if(Selection.activeGameObject) {
            selectedTransform = Selection.activeGameObject.transform;
            fold = EditorGUILayout.InspectorTitlebar(fold, selectedTransform);
            if (fold) {
                selectedTransform.position = 
                    EditorGUILayout.Vector3Field("Position", selectedTransform.position);
                EditorGUILayout.Space();
                
                rotationComponents = 
                    EditorGUILayout.Vector4Field("Detailed Rotation", 
                        QuaternionToVector4(selectedTransform.localRotation));
                        
                EditorGUILayout.Space();
                selectedTransform.localScale =
                    EditorGUILayout.Vector3Field("Scale", selectedTransform.localScale);
            }
            selectedTransform.localRotation = ConvertToQuaternion(rotationComponents);
            EditorGUILayout.Space();
        }
    }
    
    Quaternion ConvertToQuaternion(Vector4 v4) {
        return new Quaternion(v4.x, v4.y, v4.z, v4.w);
    }
    
    Vector4 QuaternionToVector4(Quaternion q) {
        return new Vector4(q.x, q.y, q.z, q.w);
    }
     
    void OnInspectorUpdate() {
        this.Repaint();
    }

}