im trying to figure out how to reference the public class play from my public volume up class. i need to control the volume from mySong in public class play from class volume up
import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
/**
* Write a description of class MyWorld here.
*
* @author (your name)
* @version (a version number or a date)
*/
public class MyWorld extends World
{
/**
* Constructor for objects of class MyWorld.
*
*/
public MyWorld()
{
// Create a new world with 600x400 cells with a cell size of 1x1 pixels.
super(650, 450, 1);
addObject (new Play(),400,200);
addObject (new VolumeUp(),200,100);
addObject (new VolumeDown(),200,300);
}
}
import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
/**
* Write a description of class Play here.
*
* @author (your name)
* @version (a version number or a date)
*/
public class Play extends Actor
{
private GreenfootSound mySong;
private GreenfootImage img1 = new GreenfootImage("play.jpg");
private GreenfootImage img2 = new GreenfootImage("pause.jpg");
/**
* Act - do whatever the Play wants to do. This method is called whenever
* the 'Act' or 'Run' button gets pressed in the environment.
*/
public Play()
{
mySong = new GreenfootSound("fingers.mp3");
}
public void act()
{
if(Greenfoot.mouseClicked(this)){
if(!(mySong.isPlaying())){
mySong.play();
setImage(img2);
}else{
mySong.pause();
setImage(img1);
}
}
}
public void PlayPause()
{
}
}
import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
/**
* Write a description of class VolumeUp here.
*
* @author (your name)
* @version (a version number or a date)
*/
public class VolumeUp extends Actor
{
/**
* Act - do whatever the VolumeUp wants to do. This method is called whenever
* the 'Act' or 'Run' button gets pressed in the environment.
*/
public void act()
{
// Add your action code here.
}
}

