local SpreadAmt = 100; --// this is the percentage of spread you want, 100% = regular spread, 0% = no spread

run_on_actor(getactors()[1], string.gsub([==[
    local MathRandom; MathRandom = hookfunction(math.random, newcclosure(function(...)
        if (debug.info(3, 'n') == "send_shoot") then
            setstack(3, 13, getstack(3, 13) * SpreadAmt);
        end;
        return MathRandom(...);
    end));
]==], "SpreadAmt", SpreadAmt / 100));