import greenfoot.*;

/**
 * This class defines a crab. Crabs live on the beach.
 */
public class Crab extends Actor
{
    public void act()
    {
        move(3);
        turnAtEdge();
        //KeyControl();
        if(touchCrab()){
            turn(-5);
        }
    }
    
    public void turnAtEdge() {
           if(isAtEdge()){
               turn(10);
        }

    }
    
    public void KeyControl() {
           if(Greenfoot.isKeyDown("left")) {
               turn(-15);
        }
           if(Greenfoot.isKeyDown("right")) {
               turn(-15);  
        }
    }
    
    public boolean touchCrab(){
        Actor Crab = getOneIntersectingObject(Crab.class);
        if(Crab != null){
            return true;
        }
        else {
            return false;
        }
    
    }
}