//////////////////////////////////////////////////////////////////////////////
/**
 *
 *  Code at the end of lecture 9/21/09
 *  Inserted code for recognizing keyboard input.
 *
 */
//////////////////////////////////////////////////////////////////////////////

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

/**
 * Write a description of class Car here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Car  extends Vehicle
{
    /**
     * Act - do whatever the Car wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    public void act() 
    {
        checkWorldEdge();
        
        if(canSee(Car.class)) 
        {
            turn(34);
        }
        
        if(Greenfoot.getRandomNumber(100) < 25) 
        {
            turn(Greenfoot.getRandomNumber(13) - 6);
        }
        
        move();
    }    
    
    public void checkWorldEdge() 
    {
        if( atWorldEdge() ) 
        {
            turn(-75);
        }
    }
}




//////////////////////////////////////////////////////////////////////////////
/**
 *
 *  Code at the beginning of lecture 9/25/09
 *  Car responds to keyboard from user - stops simulation if it hits anything
 *  inside the world.
 *
 */
//////////////////////////////////////////////////////////////////////////////
import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)

/**
 * Write a description of class Car here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Car  extends Vehicle
{
    /**
     * Act - do whatever the Car wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    public void act() 
    {  
        checkWorldEdge();
        checkCollision();        
        
        if(Greenfoot.isKeyDown("j"))
        {
            turn(-15);
        }
        
        if(Greenfoot.isKeyDown("k"))
        {
            turn(15);
        }
        
        move();  
    }    
    
    /**
     * checkWorldEdge - checks to see if the car is at the edge of the world.
     * If it is, turns the car away from the edge.
     */
    public void checkWorldEdge() 
    {
        if(atWorldEdge()) 
        {
            turn(-75);
        }
    }

    /**
     * checkColision - checks to see if the car can see and is therefore about
     * to collide with another car or an obstacle in the road.  If so, stops 
     * the simulation.
     */
    public void checkCollision() 
    {
        if(canSee(Car.class))
        {
           Greenfoot.stop();
        }
        
        if(canSee(Obstacle.class))
        {
           Greenfoot.stop();
        }
    }
    
}




//////////////////////////////////////////////////////////////////////////////
/**
 *
 *  Code at the end of lecture 9/25/09
 *  CarWorld inserts a Car and several obstacles (some at random locations).
 *  Car will change its image when it hits and obstacle.
 *
 */
//////////////////////////////////////////////////////////////////////////////
import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)

/**
 * Write a description of class CarWorld here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class CarWorld  extends World
{

    /**
     * Constructor for objects of class CarWorld.
     * 
     */
    public CarWorld()
    {    
        // Create a new world with 20x20 cells with a cell size of 10x10 pixels.
        super(560, 560, 1); 
        addObject(new Car(), 100, 100);
        addObject(new Obstacle(), 200, 375);
        addObject(new Obstacle(), 150, 456);
        addObject(new Obstacle(), 45, 267);
        addObject(new Obstacle(), Greenfoot.getRandomNumber(560), Greenfoot.getRandomNumber(560));
        addObject(new Obstacle(), Greenfoot.getRandomNumber(560), Greenfoot.getRandomNumber(560));
        addObject(new Obstacle(), Greenfoot.getRandomNumber(560), Greenfoot.getRandomNumber(560));
        addObject(new Obstacle(), Greenfoot.getRandomNumber(560), Greenfoot.getRandomNumber(560));
        addObject(new Obstacle(), Greenfoot.getRandomNumber(560), Greenfoot.getRandomNumber(560));
    }
}


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

/**
 * Write a description of class Car here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Car  extends Vehicle
{
    /**
     * Act - do whatever the Car wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    public void act() 
    {  
        checkWorldEdge();
        checkCollision();        
        
        if(Greenfoot.isKeyDown("j"))
        {
            turn(-15);
        }
        
        if(Greenfoot.isKeyDown("k"))
        {
            turn(15);
        }
        
        move();  
    }    
    
    /**
     * checkWorldEdge - checks to see if the car is at the edge of the world.
     * If it is, turns the car away from the edge.
     */
    public void checkWorldEdge() 
    {
        if(atWorldEdge()) 
        {
            turn(-75);
        }
    }

    /**
     * checkColision - checks to see if the car can see and is therefore about
     * to collide with another car or an obstacle in the road.  If so, stops 
     * the simulation.
     */
    public void checkCollision() 
    {
        if(canSee(Car.class))
        {
           Greenfoot.stop();
        }
        
        if(canSee(Obstacle.class))
        {
            setImage(new GreenfootImage("flower2.png"));
        }
    }
    
}