I get a error saying cannot find symbol- variable my world
import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo) /** * Write a description of class Enemylaser here. * */ public class Enemylaser extends Mover { private int life; /** * Act - do whatever the Enemylaser wants to do. This method is called whenever * the 'Act' or 'Run' button gets pressed in the environment. */ public void act() { move(20.0); eat(); life--; if (life == 0) { getWorld().removeObject(this); } ifAtWorldEdge(); } public void ifAtWorldEdge() { if (atWorldEdge()) { getWorld().removeObject(this); } } public void eat() { Actor Ship; Ship = getOneObjectAtOffset(0, 0, Ship.class); if (Ship != null) { World world; world = getWorld(); GameOver gameover = new GameOver(); myWorld.addObject(gameover, myWorld.getWidth()/2, myWorld.getHeight()/2); world.removeObject(Ship); } } }