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added seed() fn, corrected err with local math_random

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This commit is contained in:
Paul Liverman III 2018-04-23 02:40:21 -07:00
parent 0eccde530a
commit fb7b826942
2 changed files with 12 additions and 1 deletions
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5
README.md
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@ -61,6 +61,11 @@ Given an `angle` and `magnitude`, returns a vector.
local x, y = lume.vector(0, 10) -- Returns 10, 0
```
#### lume.seed([low [, high]])
Sets random seed. If using LOVE engine's math library, both `low` and `high`
arguments are used, else, only one argument is accepted.
#### lume.random([a [, b]])
Returns a random number between `a` and `b`. If only `a` is supplied a number
between `0` and `a` is returned. If no arguments are supplied a random number

8
lume.lua
View File

@ -32,7 +32,8 @@ local math_ceil = math.ceil
local math_atan2 = math.atan2 or math.atan
local math_sqrt = math.sqrt
local math_abs = math.abs
local math_random = love and love.math or math.random
local math_random = love and love.math and love.math.random or math.random
local math_randomseed = love and love.math and love.math.setRandomSeed or math.randomseed
local noop = function()
end
@ -131,6 +132,11 @@ function lume.vector(angle, magnitude)
end
function lume.seed(low, high)
return math_randomseed(low, high)
end
function lume.random(a, b)
if not a then a, b = 0, 1 end
if not b then b = 0 end