/**
* Draws the group and its children. The default implementation calls {@link
* #applyTransform(SpriteBatch)} if needed, then {@link #drawChildren(SpriteBatch, float)}, then
* {@link #resetTransform(SpriteBatch)} if needed.
*/
public void draw(SpriteBatch batch, float parentAlpha) {
if (transform) applyTransform(batch);
drawChildren(batch, parentAlpha);
if (transform) resetTransform(batch);
}
