using UnityEngine.EventSystems; namespace UnityEditor.EventSystems { [CustomEditor(typeof(PhysicsRaycaster), true)] /// /// Custom Editor for the EventSystem Component. /// Extend this class to write a custom editor for a component derived from EventSystem. /// public class PhysicsRaycasterEditor : Editor { public override void OnInspectorGUI() { base.OnInspectorGUI(); #if !PACKAGE_PHYSICS EditorGUILayout.HelpBox("Physics module is not present. This Raycaster will have no effect", MessageType.Warning); #endif } } }