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

/**
 * Write a description of class Mover here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Mover extends Actor
{
    private static final int acceleration = 2;
    private static final int speed = 10;
    private int vSpeed = 0;
    private int jumpStrength= -15;
    public void moveRight()
    {
      setLocation ( getX() - speed, getY() );
    }
    public void moveLeft()
    {
      setLocation ( getX() + speed, getY() ); 
    }
    public void setVSpeed(int speed)
    {
     vSpeed = speed;   
    }
    public void fall()
    {
        setLocation(getX(), getY() +vSpeed);
        vSpeed=vSpeed+acceleration;
        
    }
    public boolean onGround()
    {
      Actor under = getOneObjectAtOffset(0,getImage()
      .getHeight()/2-8,Start.class);
      return under !=null;
    }
    public boolean onGround2()
    {
      Actor under = getOneObjectAtOffset(0,getImage()
      .getHeight()/2-8, safezone.class);
      return under !=null;
    }
    public boolean onGround3()
    {
      Actor under = getOneObjectAtOffset(0,getImage()
      .getHeight()/2-8, safezone.class);
      return under !=null;
    }
    public boolean onGround4()
    {
      Actor under = getOneObjectAtOffset(0,getImage()
      .getHeight()/2-8, safezone.class);
      return under !=null;
    }
    public boolean onGround5()
    {
      Actor under = getOneObjectAtOffset(0,getImage()
      .getHeight()/2-8, safezone.class);
      return under !=null;
    }
    public boolean onGround6()
    {
      Actor under = getOneObjectAtOffset
      (0,getImage().getHeight()/2-8, finishblock.class);
      return under !=null;
    }
     public void checkFall()
    {
        if (onGround()||onGround2()||onGround3()||onGround4()
        ||onGround5()||onGround6()) {
        vSpeed=0;
        setLocation (getX(),530);
        }
        else{
        fall();
        }
    }
     public void jump()
    {
        vSpeed=(-jumpStrength);
        fall(); 
    }
}

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

/**
 * Write a description of class player here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class player extends Mover
{ 
    private int vSpeed = 0;
    private int acceleration= 2;
    /**
     * Act - do whatever the player wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    public void act() 
    {
       checkKeys();
       checkFall();
       gameOver();
       checkFire();
       win();
       onGround();
    }    
    private void checkKeys()
    {
        if (Greenfoot.isKeyDown("right"))
        {
           moveLeft(); 
        }
        if (Greenfoot.isKeyDown("left"))
        {
           move(-5); 
        }
        if (Greenfoot.isKeyDown("space") && onGround())
        {
            if (onGround())
            {
            jump();  
            }
        }
    }
    public void gameOver()
    {
       if ( isTouching(Blackline.class) )
       {
           setLocation(44, 580);
       }
    }
    public void checkFire()
    {
       if ( isTouching(fire.class) )
       {
          setLocation(44, 580);
       }
    }
  
   
    public void win()
    {
       if (isTouching(Finish.class))
       {
           setLocation(44, 584);
           Greenfoot.playSound("au.wav");
           Greenfoot.stop();
       }
    }
    public boolean canSee(Class clss)
    {
        Actor actor = getOneObjectAtOffset(0, 0, clss);
        return actor != null;     
    }
}