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Index › Programming Questions & Help › Syntax Questions › creating and accessing an array of objets
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creating and accessing an array of objets (Read 597 times)
nebulus
creating and accessing an array of objets
Sep 6th, 2009, 8:30pm  
Hello, sorry for posting 3 topics in a week, but processing is so addicting and I have a little problem that I spent a few hours.

I create 3 scrolling pgraphics that do their job, and now I would like to put those 3 objects in a array, so I can easily display hundreds of graphics with an iteration without copy/paste the code 100 times.

Here is the actualy code that works :
Code:


	    // what should go there to put objects in an array ?
	  scrollTicker myScrollTicker1;  
	  scrollTicker myScrollTicker2;  
void setup()

	 myScrollTicker1   = new scrollTicker(0, 100, 200,32);
	 myScrollTicker2   = new scrollTicker(0,200,300,30);
}
void draw()
{
	  myScrollTicker1.move();
	  myScrollTicker1.display();  

	  myScrollTicker2.move();
	  myScrollTicker2.display();   
    
	  myScrollTicker3.move();
	  myScrollTicker3.display();	  


	    // ... on so, up to 10000000 
		// my problem is not to write this iteration
		// but to put the class myScrollTicker in an array
  
}


I've tried many things but it doesnt work (nullpointer exception). Could someone give me help to get this working with an array ?

Thanx a lot
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ben_hem
Re: creating and accessing an array of objets
Reply #1 - Sep 6th, 2009, 8:41pm  
Re: ... on so, up to 10000000
JESUS JOSEPH MARY AND HATSHEPSUT.
yeah, you want arrays bad.

scrollTicker[] myScrollTickers = new scrollTicker[1000];

void setup(){
 for (int i=0; i<myScrollTickers.length; i++){
   myScrollTickers[i] = new scrollTicker(blah blah blah blah);  
 }
}

void draw(){
 for (int i=0; i<myScrollTickers.length; i++){
    myScrollTickers[i].move();
    myScrollTickers[i].display();        
 }
}

:D
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WWW  
nebulus
Re: creating and accessing an array of objets
Reply #2 - Sep 6th, 2009, 9:14pm  
Thanks 10000000 times Wink
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