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

/**
 * Write a description of class Spike here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Spike extends Actor
{
    int speed;
    public Spike(int pSpeed)
    {
        speed=pSpeed;
    }

    /**
     * Act - do whatever the Spike 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.
        if(this.isTouching(Player.class))
        {
            Greenfoot.setWorld(new GameOverWorld());
        }
        this.bewege();
    }

    public void loescheMich()
    {
        MyWorld theWorld= (MyWorld) this.getWorld();
        theWorld.removeObject(this);
    }

    public void bewege()
    {
        this.setLocation(this.getX(), this.getY()+speed);
        MyWorld theWorld= (MyWorld) this.getWorld();
        if(this.getY()>=theWorld.getHeight()-5)
        {
            this.loescheMich();
        }
    }
}