public Enemy(int startX) throws SlickException{
    	// Initialises things.
    	this.startX = startX;
    	location = new Ellipse2D.Float((float)startX, (float)0,10,10);
    	location.setFrame((float)startX, 0, 10, 10);

    	
    	// Sets the speed based on difficulty.
    	if(Settings.difficulty == 4){speed = 5;}
    	else if(Settings.difficulty == 3){speed = 10;}
    	else if(Settings.difficulty == 2){speed = 15;}
    	else if(Settings.difficulty == 1){speed = 20;}

    	// Sets the word to be attached to the enemy.
    	setWord();
    }