public override void OnInspectorGUI() { _spline = target as SplinePath; EditorGUI.BeginChangeCheck(); bool linkMidPoint = EditorGUILayout.Toggle("Link Mid Point", _spline.linkMidPoint); if (EditorGUI.EndChangeCheck()) { _spline.linkMidPoint = linkMidPoint; } if (_selectedIndex >= 0 && _selectedIndex < _spline.ControlPointCount) { DrawSelectedPointInspector(); } if (GUILayout.Button("Add Curve")) { Undo.RecordObject(_spline, "Add Curve"); _spline.AddCurve(); EditorUtility.SetDirty(_spline); } if (_spline.ControlPointCount > 4) { if (GUILayout.Button("Remove Curve")) { Undo.RecordObject(_spline, "Remove Curve"); _spline.RemoveCurve(); EditorUtility.SetDirty(_spline); } } }