Lua Slerp

-- Script made by Oysi

function slerp(a, b, t)
    local dot = a:Dot(b)
    if dot <= -1 or dot >= 1 then
        return b
    else
        local o = math.acos(dot)
        return (a*math.sin(o*(1 - t)) + b*math.sin(o*t)) / math.sin(o)
    end
end