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

/**
 * Write a description of class MovingPlattform here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class MovingPlattform extends Plattform
{
    int speed;

    public MovingPlattform(int pSpeed)
    {
        speed= pSpeed;
    }

    /**
     * Act - do whatever the MovingPlattform wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    public void act()
    {
        // Add your action code here.
        this.bewege();
        super.act();
    }

    public void bewege()
    {
        MyWorld theWorld= (MyWorld) this.getWorld();
        this.setLocation(this.getX()+speed, this.getY());
        if(this.getX()<5 || this.getX()>=theWorld.getWidth()-5)
        {
            speed=speed*(-1);
        }
    }
}