import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)

/**
 * Write a description of class StartWorld here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class StartWorld extends World
{
    long x= 0;
    long timer = 0;
    Picture p3;
    /**
     * Constructor for objects of class StartWorld.
     * 
     */
    public StartWorld()
    {    
        // Create a new world with 600x400 cells with a cell size of 1x1 pixels.
        super(600, 400, 1); 
     
    }
    
    public void act(){
        if(System.currentTimeMillis() >= timer){
            p3 = new Picture(3);
            addObject(p3,300,350);
            x = System.currentTimeMillis() + 500;
            timer = System.currentTimeMillis() + 1000;
        }
        if(System.currentTimeMillis() >= x){
            removeObject(p3);
        }
        if (Greenfoot.isKeyDown("enter")){
            Greenfoot.setWorld(new MenuWorld());
        }
    }
}