Need method to create 640*480 random data @ 60 Hz and update to scr.

[holydragon]

Need method to create 640*480 random data @ 60 Hz and update to scr.

I have been working with this problem for the last few days. I'm simply trying to create an array fo 640X480 randomly shaded pixels and update them to a display (or mask with another array) at the rate of 60 Hz. The video is to be continuous and unique. Any ideas on completing this would be helpful!

Best Regards!

 

[APSKAFT]

Hi !

Do you think this is quick enough. I think it takes a while to repeat itself. The value for the seed is not really important.

/* Generate pseudo randon numbers for video: */

#define MAX_PIX 256
static double seed = 0.6287393495854736252536643784327L;

/*... */

int pixle;

seed = seed * 147.0;
seed = seed - (int)seed;
pixle = (int)(seed * MAX_PIX);