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Topic: processing and eclipse (Read 649 times) |
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capeta
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processing and eclipse
« on: Nov 26th, 2004, 8:38pm » |
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hi, i managed to make processing work on eclipse. but there is a problem i ran into.
here is the source (well, shorted down)
public class World extends BApplet
{
NClass cNClass;
World()
{
}
public void init()
{
cNClass = new NClass();
}
}
public class NClass extends World
{
BImage img;
NClass()
{
img = loadImage("image.gif");
}
}
it gives me :
java.lang.NullPointerException
at BApplet.loadImage(BApplet.java:2750)
at EnemyControl.init(EnemyControl.java:21)
at World.init(World.java:24)
at JaxTon.setup(JaxTon.java:51)
at BApplet.init(BApplet.java:185)
i think (maybe) its because the images files are in the wrong directory ? i did put them over /data/ on my /bin/ directory (my output folder).
missing something ? havent seen this anywhere over here.
thanks in advance!
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| « Last Edit: Nov 27th, 2004, 8:24pm by capeta » |
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rgovostes
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Re: processing and eclipse
« Reply #1 on: Nov 27th, 2004, 3:53am » |
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Looks like that would make an infinite loop to me, similar to doing
Code:public class InfiniteLoop {
InfiniteLoop {
InfiniteLoop crashme = new InfiniteLoop;
}
} |
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...
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capeta
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Re: processing and eclipse
« Reply #2 on: Nov 27th, 2004, 8:23pm » |
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i know! they are on a init method. thats not my problem.
the problem is that its returning an NullPointerException
even if i code img under the class that extends the BApplet class.
has anybody out in the world ran into that problem ? 
crap
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capeta
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Re: processing and eclipse
« Reply #3 on: Nov 27th, 2004, 10:24pm » |
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does loadImage always look up /data/ directory ?
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capeta
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Re: processing and eclipse
« Reply #4 on: Nov 28th, 2004, 6:19pm » |
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ok, i got it now:
class MClass extends BApplet
{
SClass cSClass;
MClass()
{
}
public void init()
{
cSClass= new SClass( this );
}
}
class SClass extends MClass
{
MClass parent;
LoClass cLoClass;
SClass( MClass parent )
{
this.parent = parent;
}
public void init()
{
cLoClass = new LoClass( parent );
}
}
class LoClass extends SClass;
{
MClass parent;
BImage img;
LoClass( Mclass parent )
{
this.parent = parent;
//!!!!!!!!!!!!!!!!!!!!!
// this was the only way i got it to work. dont know if its right. but it works for me
// img = -> "parent."<-loadImage( "s.gif" );
//!!!!!!!!!!!!!!!!!!!!!
img = parent.loadImage( "s.gif" );
}
}
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| « Last Edit: Nov 28th, 2004, 6:21pm by capeta » |
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gll
 
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Re: processing and eclipse
« Reply #5 on: Dec 23rd, 2004, 5:06pm » |
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Nice!
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guillaume LaBelle
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toxi
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Re: processing and eclipse
« Reply #6 on: Dec 23rd, 2004, 6:18pm » |
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there's a tutorial about P5 and eclipse incl. an ANT export script over in this thread.
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http://toxi.co.uk/
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