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Mad One

for loop crashing game

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ok im trying to create my first tetris game... im using an array to hold int corresponding to a block color ex: 1=red, 2=green, etc... the array is called screen[160][480] or 16 pixel blocks 10x30 for the grid the program seems to crash in this nested for loop
int fn_RefreshScreen_ar()
{
	int color = 0;

	for(int cntrY = DefaultScreenY; cntrY <= 30; (cntrY + BlockSize))
	{
		for(int cntrX = DefaultScreenX; cntrX <= 10; (cntrX + BlockSize))
		{
			if(ar_Screen[cntrX][cntrY]!=0)
			{
				color = ar_Screen[cntrX][cntrY];

				switch(color)
				{

				case 1:
					fn_DrawBlock(cntrX,cntrY,255,0,0,1);
					break;
				case 2:
					fn_DrawBlock(cntrX,cntrY,0,255,0,2);
					break;
				case 3:
					fn_DrawBlock(cntrX,cntrY,0,0,255,3);
					break;
				case 4:
					fn_DrawBlock(cntrX,cntrY,100,100,100,4);
					break;
				case 5:	
					fn_DrawBlock(cntrX,cntrY,100,200,200,5);
					break;
				case 6:
					fn_DrawBlock(cntrX,cntrY,200,200,100,6);
					break;

					return 0;
				}
			}

			else 
			{
				//MessageBox(hwnd, "You must enter the correct password! (""GameTutorials"")", "Error!", MB_OK);

				//return 0;

			}
		

		}
	}
	return 0;
}/source

i think that is coded correctly, i think it's something i did wrong in design time... and i know i can put things in the code box but i don't know the syntax yet will edit when i learn...

<SPAN CLASS=editedby>[edited by - Mad One on March 20, 2004 6:41:34 PM]</SPAN>

<SPAN CLASS=editedby>[edited by - Mad One on March 20, 2004 6:45:24 PM]</SPAN>

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for(int cntrY = DefaultScreenY; cntrY <= 30; (cntrY + BlockSize))
{
for(int cntrX = DefaultScreenX; cntrX <= 10; (cntrX + BlockSize))
{


Should the last calculations of the lines above increase cntrY and cntrX?

Because right now they are not really doing anything, to get them increase they should look like:

(cntrY += BlockSize) or (cntrY = cntrY + BlockSize)

And

(cntrX += BlockSize) or (cntrX = cntrX + BlockSize)


"and i know i can put things in the code box but i don't know the syntax yet will edit when i learn..."

Put source inside [] these to start and /source to stop.


[edited by - Mkk on March 20, 2004 6:37:38 PM]

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Getting something to run and getting it to run correctly are two entirely different things

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