How can i use random(a,b) but get whole numbers

indigopolo

writing a little program that displaces the coordinates of little circles but it displays them as numbers with many decimals. is there a way to use the random function with ints, or is there a way to display whole numbers

code:

final int DIAM = 5;

String coordinate;

void setup(){ size(500,500); frameRate(1);

}

void draw(){

float randomX = random(80,420); float randomY = random(20,495);

coordinate = "(" + randomX + "," + randomY + ")";

fill(255);

ellipse(randomX,randomY,DIAM,DIAM);

textSize(16); fill(0); text( coordinate,randomX + DIAM,randomY - DIAM);

}

TfGuy44

int( random( a, b ) )

GoToLoop

float randomX = random(80, 420), randomY = random(20, 495);

int randomX = (int) random(80, 420), randomY = (int) random(20, 495);

koogs

int(random(a, b));

Note that this gives you a random integer between a and b-1, it'll never return b.

jeremydouglass

The answer above is the easiest way: generate a number, then convert it to an int ( which rounds it in the process).

If you don't use the Processing built-in random, there are also several other ways to generate random integers, like Java.utils.Random.nextInt():

• https://www.mkyong.com/java/java-generate-random-integers-in-a-range/

samrogerwilliams

Random numbers can be generated using math.random() method. Here's the example for random number in java.