rand()

Type     [GD]	function
Library   [BL]	core
Return value	number
See also	math.random (of Lua)

Overview

This function is the alias of math.random

Syntax

rand() rand(upper) rand(lower, upper) rand(lower1, upper1,  lower2, upper2)

rand() with no arguments generates a real number between 0 and 1.

rand(upper) generates integer numbers between 1 and upper (both inclusive).

rand(lower, upper) generates integer numbers between lower and upper (both inclusive).

rand(lower1, upper1,  lower2, upper2) returns integer numbers bewteen lower1 and upper1 (both inclusive) or lower2 and upper2 (both inclusive).  For example

        rand(-10,-7, 10,13)

returns one of   -10,-9,-8,-7, 10,11,12,13   randomly.