public class avatar extends Actor
{
    private int speed = 6;
    private int verSpeed = 0;
    private int increase = 2;
    private int jumpstrength = 12;
    private boolean jumping;
    boolean touchingenemy = false;
    boolean touchingfood = false;
    boolean formula = false;
    int count = 0;
    
    
    /**
     * Act - do whatever the avatar wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    public void act() 
    {
        checkKeys();
        checkfall();
        ceiling();
        eatfood();
        hitenemy();
        Fire();
            
    } 
    
    private void checkKeys()
    {
        if (Greenfoot.isKeyDown("left"))
        {
           setImage("spongeleft.png");           
           moveLeft();
        }
        if (Greenfoot.isKeyDown("right"))
        {
           setImage("spongeright.png");
           moveRight();
        }
        if (Greenfoot.isKeyDown("up"))
        {
           jump();
        }
    }
    
    public void moveLeft()
    {
        setLocation ( getX() - speed, getY());
    }
    
    public void moveRight()
    {
        setLocation ( getX() + speed, getY());
    }
    
    public void fall()
    {
        setLocation ( getX(), getY() + verSpeed);
        verSpeed = verSpeed + increase;
        jumping = true;
    }
    
    public void jump()
    {
        verSpeed = - jumpstrength;
        jumping = true;
        fall();
    }
    
    public void movetoground(Actor log)
    {
        int logHeight = log.getImage().getHeight();
        int newY = log.getY() - (logHeight +getImage().getHeight())/2;
        
        setLocation(getX(), newY); 
        
    }
    
    public void checkfall()
    {
        if(onground()) {
            verSpeed = 0;
        }
        else{
            fall();
        }
        
    }
    
    public boolean onground()
    {
        int avatarHeight = getImage().getHeight();
        int lookforground = (int) (avatarHeight/2) + 5;
        
        Actor ground = getOneObjectAtOffset ( 0, getImage().getHeight()/2, log.class);
        if(ground == null){
            jumping = true;
            return false;
        }
        else{
            movetoground(ground);
            return true;
        }
         
    
       
    }
    
    public boolean ceiling()
    {
        int avatarHeight = getImage().getHeight();
        int Ydistance = (int) (avatarHeight / -2);
        
        Actor ceiling = getOneObjectAtOffset ( 0, Ydistance, log.class);
        if(ceiling != null){
            
            verSpeed =1;
            bopHead(ceiling);
            return true;
        }
        else{
           
            return false;
        }
        
    }
    
    public void bopHead(Actor ceiling)
    {
       int ceilingHeight = ceiling.getImage().getHeight();
       int newY = ceiling.getY() + (ceilingHeight +getImage().getHeight())/2;
        
        setLocation(getX(), newY); 
        
    }
    
    public void hitenemy() 
    {
        Actor enemy = getOneIntersectingObject(enemy.class);
        if (enemy != null)
        {
            World myWorld = getWorld();
            MyWorld myworld = (MyWorld)myWorld;
            healthbar healthbar = myworld.gethealthbar();
            if(touchingenemy == false)
            {
               healthbar.losehealth();
               touchingenemy = true;
               if(healthbar.health<= 0)
                {
                   myWorld.removeObject(this);
                   gameover mygameover = new gameover(); 
                   Greenfoot.setWorld(mygameover);
                }
            }
        } else
        {
            touchingenemy = false;
        }
    } 
    
    public void Fire() 
    {
        if(Greenfoot.isKeyDown("space"))
        {
            bubble bubbles = new bubble();
            World myWorld = getWorld();
            myWorld.addObject(new bubble(getRotation()), getX(), getY());            
            bubbles.setLocation(getX(), getY());
            bubbles.setRotation(getRotation());
          
        }
    } 
    
    public void eatfood() 
    {
        Actor food = getOneIntersectingObject(food.class);
        if (food != null)
        {
            World myWorld = getWorld();
            MyWorld myworld = (MyWorld)myWorld;
            healthbar healthbar = myworld.gethealthbar();
            if(touchingfood == false)
           {
             healthbar.gainhealth();
             touchingfood = true;
           }
        } else
        {
            touchingfood = false;
        }
    }
    

        
   }