why the array bounds error

[Bill Baxter]

On Mon, Dec 8, 2008 at 11:22 AM, Michael P. <baseball.mjp at gmail.com> wrote:
> Michael P. Wrote:
>
>> Okay, I'm getting an array bounds error, and I have no clue why. Here is the code that affect it:
>>
>> //Constants
>> const int SCREEN_WIDTH = 640;
>> const int SCREEN_HEIGHT = 480;
>> const int TILE_WIDTH = 20;
>> const int TILE_HEIGHT = 20; //how big one tile is, in pixels
>> const int NUMBER_OF_TILES_WIDTH = SCREEN_WIDTH / TILE_WIDTH;
>> const int NUMBER_OF_TILES_HEIGHT = SCREEN_HEIGHT / TILE_HEIGHT;
>> const int TYPES_OF_TILES = 4;
>>
>> //variables
>> char[ NUMBER_OF_TILES_WIDTH ][ NUMBER_OF_TILES_HEIGHT ] tiles;
>> //set all tiles to random
>> for ( int i = 0; i < NUMBER_OF_TILES_WIDTH; i++ )
>> {
>>       for ( int j = 0; j < NUMBER_OF_TILES_HEIGHT; j++ )
>>       {
>>               tiles[ i ][ j ] = cast( char )( rand() & TYPES_OF_TILES ); //occurs here
>>       }
>> }
>>
>> So, I'm not really sure why it's happening.... Anyone mind shedding some light on why?
>>
>> -Michael P.
>
> I meant array bounds error, not array bounds array. :P

Your indices are backwards.

--bb