Hi,
I have a problem with my small programm. I'm trying to access a method from another class. I followed this tutorial but I still have this problem.
Here is my error message and lines :
java.lang.NullPointerException
at Bacterie.touchUnder(Bacterie.java:28)
at Bacterie.act(Bacterie.java:15)
Lines shown :
Here is the code in my Espace3 World :
And finally the indicator itself (eIndicator.class)
Thank you very much and sorry for my bad english
getWorld().removeObject(this);
Espace3 Espace3World = (Espace3) getWorld();
eIndicator eindicator = Espace3World.getIndicator(); //this line
eindicator.getEnergy(1);private eIndicator theIndicator;
//In Espace3 method
theIndicator = new eIndicator();
addObject(theIndicator, 1050, 640);
//------------------
public eIndicator getIndicator()
{
return theIndicator;
} private int energieRestante;
public eIndicator()
{
setImage("4e.png");
}
public void act()
{
}
public void getEnergy(int howMuch)
{
energieRestante += howMuch;
if(energieRestante == 4)
{
setImage("4e.png");
}
else if(energieRestante == 3)
{
setImage("3e.png");
}
else if(energieRestante == 2)
{
setImage("2e.png");
}
else if(energieRestante == 1)
{
setImage("1e.png");
}
else if(energieRestante == 0)
{
Greenfoot.stop();
}
}