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

/**
 * Write a description of class SnakeHead here.
 * 
 * @author (Valentijn & Oline) 
 * @version (Final Draft)
 */
public class SnakeHead extends Animal
{  
   
   
   /**
     * Act - do whatever the SnakeHead wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    public void act() 
    {
       int count = 0;
       
       int Diamondseaten = 0;
      
       
    
    
    
        if (Greenfoot.isKeyDown("left")) {
            if (canSee (Wall.class))
            {}
           turn(-25);
        }
        if (Greenfoot.isKeyDown("right")){
            if (canSee (Wall.class))
           {}
            turn(25);
        }
        if (Greenfoot.isKeyDown("up")){
            if (canSee (Wall.class))
            {
                World world = getWorld();
                getWorld().removeObjects(getWorld().getObjects(null));
            }
            move();
        }
        if (Greenfoot.isKeyDown("down")){
            if (canSee (Wall.class))
            {}
            move(-2);
        }
      
        if (canSee(Diamond.class))
        {
            removeTouching (Diamond.class);
        }
        if (isTouching(Wall.class))
        {
            Greenfoot.stop();
            Greenfoot.setWorld(new SnakeWorld());
            
      
    }  
  
     if(count > 20){
         
        move();
        count = 0;
    }
        
    if(Diamondseaten < 1){
        count += 1;
    }else if(Diamondseaten < 2){
        count += 2;
    }else if(Diamondseaten < 3){
        count += 2.5;
    }else if(Diamondseaten < 4){
        count += 4;
    }else if(Diamondseaten >= 4){
        count += 5;
    }
    
    int speed = 20;
    
    if(count == speed){
        getWorld().addObject(new SnakeTail(Diamondseaten*speed), getX(), getY());
    }
    
    
}
}