Creating a Random Number

Former Member over 8 years ago

I was wondering if there is a way to get a random number between two numbers. I see that there is a Math.rand(), but this just grabs a very random number. I am trying to get a random number to draw a bitmap at random points on the screen.

Thanks for any and all the help.

Top Replies

FlowState over 2 years ago in reply to DaveBrillhart +2

TL;DR you should only call srand() once and both naive implementations (modulus by max - min + 1 or float division by RAND_MAX) are biased. The best solutions involve calling rand() multiple times: stackoverflow…
jim_m_58 over 2 years ago in reply to DaveBrillhart +1

Try doing the srand only once (when the app first starts) and just do the rand with you want a new random number
FlowState over 2 years ago in reply to DaveBrillhart +1

DaveBrillhart said:
And calling srand each time doesn't hurt, right?

Did you read the link I posted about why calling srand() multiple times is a bad idea? Suppose you use Time.Now.value() (number of…

All Replies

9238774 over 1 year ago in reply to FlowState

Fair using mods make it simple

9238774 over 1 year ago in reply to 9238774

does it worked