function: array shuffle function (make an array random)

very simple function to shuffle array in maxscript.

配列内のデータをランダムに並べ替えるだけのシンプルな関数です。

--function to shuffle array 
fn array_shuffle arr = (
    for i=1 to arr.count do(
        local r = random 1 arr.count
        local temp = arr[i]
        arr[i] = arr[r]
        arr[r] = temp
    )
)