Re: [Flashcoders] bidimensional array in as

[Jon Bradley]

On Oct 31, 2005, at 7:22 AM, cornel wrote:


hi
maybe a silly question, but here i go anyway:
how would you write something like this in actionscript:

int matrix[3][3];
for(i=0;i3;i++)
  for(j=0;j3;j++)
matrix[i][j]=0;

i've done something like this in my code, mtasc doesnt complained, but
the program doesnt work, and i have a feeling that something wrong.

i would appreciate any help
cornel


Unlike C, Actionscript can't create a two-dimensional array like that.

var matrix = [];
for (;i3;i++) matrix[i] = [0];


That's the super shorthand way of doing it.

cheers,

Jon

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Re: [Flashcoders] bidimensional array in as

[Zeh Fernando]

int matrix[3][3];
for(i=0;i3;i++)
  for(j=0;j3;j++)
matrix[i][j]=0;


You have to create the initial array and then create any sub array. Kinda 
like:

matrix = [];
for(i=0;i3;i++) {
  matrix[i] = [];
  for(j=0;j3;j++) {
 matrix[i][j] = 0;
  }
}

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Re: [Flashcoders] bidimensional array in as

[Gregory]

You must create empty arrays first, like this:

// bidimensional array in AS
var matrix2:Array = [];
for(i=0;i3;i++){
matrix2[i] = [];
for(j=0;j3;j++){
matrix2[i][j]=0;
}
}
trace(matrix2);

-- original message --
On Oct 31, 2005, at 7:22 AM, cornel wrote:

 hi
 maybe a silly question, but here i go anyway:
 how would you write something like this in actionscript:

 int matrix[3][3];
 for(i=0;i3;i++)
   for(j=0;j3;j++)
 matrix[i][j]=0;

 i've done something like this in my code, mtasc doesnt complained, but
 the program doesnt work, and i have a feeling that something wrong.

 i would appreciate any help
 cornel

Unlike C, Actionscript can't create a two-dimensional array like that.

var matrix = [];
for (;i3;i++) matrix[i] = [0];


That's the super shorthand way of doing it.

cheers,

Jon

-- 
Best regards,
 Gregory

http://GOusable.com
Flash components development.
Usability services.


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Re: [Flashcoders] bidimensional array in as

[Jon Bradley]

On Oct 31, 2005, at 9:24 AM, Gregory wrote:



You must create empty arrays first, like this:

// bidimensional array in AS
var matrix2:Array = [];
for(i=0;i3;i++){
matrix2[i] = [];
for(j=0;j3;j++){
matrix2[i][j]=0;
}
}
trace(matrix2);



Yea, I'm a dufus. I think I was in AS3 mode when i posted that - then 
again, I didn't test it either...


i'll be quiet now. :)

Jon

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