Greenfoot

thekidj

2013/12/2

#

I'm trying to get my game to switch to an instructions screen when I press a key.

public class Castle extends World
{

    /**
     * Constructor for objects of class Castle.
     * 
     */
    public Castle()
    {    
        // Create a new world with 600x400 cells with a cell size of 1x1 pixels.
        super(800, 500, 1); 
        setBackground("Castle-stock3197.jpg");
        goToInstructions();
    }
    
    public void goToInstructions()
    {
        if(Greenfoot.isKeyDown("space"))
        {
            Greenfoot.setWorld(new Instructions());
        }
    }
}


to this...

public class Instructions extends World
{

    /**
     * Constructor for objects of class Instructions.
     * 
     */
    public Instructions()
    {    
        // Create a new world with 600x400 cells with a cell size of 1x1 pixels.
        super(800, 500, 1); 
        setBackground("Castle.jpg");
    }
}

SPower

2013/12/2

#

the goToInstructions method is only called in the constructor of your world, it should be in your act method:

public void act()
{
    goToInstructions();
}

which will cause the goToInstructions method to be executed when you probably expected :)

bourne

2013/12/2

#

The problem is, the method goToInstructions is only being called once. Move goToInstructions(); from the Castle constructor to its act method like so:

public void act()
{
    goToInstructions();
}

SPower

2013/12/2

#

@bourne :)

thekidj

2013/12/2

#

SPower wrote...

the goToInstructions method is only called in the constructor of your world, it should be in your act method:

public void act()
{
    goToInstructions();
}

which will cause the goToInstructions method to be executed when you probably expected :)

Silly mistake. Thanks.

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