protected void initializeComponents () {
super.initializeComponents();
pointSpawnShapeValue = new PointSpawnShapeValue();
lineSpawnShapeValue = new LineSpawnShapeValue();
rectangleSpawnShapeValue = new RectangleSpawnShapeValue();
ellipseSpawnShapeValue = new EllipseSpawnShapeValue();
cylinderSpawnShapeValue = new CylinderSpawnShapeValue();
meshSpawnShapeValue = new UnweightedMeshSpawnShapeValue();
weightMeshSpawnShapeValue = new WeightMeshSpawnShapeValue();