Roblox Math library

local Math = {}

function Math.convert(value)
    value = (value + 1)*math.pi
    return (math.cos(value)/2 + 0.5)
end
function Math.Round(number, i)
    number = number or 0
    i = i or 0
    local n = 10^i
    return math.round(number*n)/n
end
function Math.Lerp(startValue, finishValue, n)
    return startValue + (finishValue - startValue) * n
end
function Math.ConvertVector2ToVector3(vector, axis)
    local x = 0
    local y = 0
    local z = 0
    if axis == Enum.Axis.X then
        x = 0
        y = vector.Y
        z = vector.X
    elseif axis == Enum.Axis.Z then
        x = vector.X
        y = vector.Y
        z = 0
    else
        x = vector.X
        y = 0
        z = vector.Y
    end
    return Vector3.new(x, y, z)
end
function Math.RandomVector2(min, max)
    local x = math.random(min, max)
    local y = math.random(min, max)
    return Vector2.new(x, y)
end
function Math.RandomVector3(min, max)
    local x = math.random(min, max)
    local y = math.random(min, max)
    local z = math.random(min, max)
    return Vector3.new(x, y, z)
end
function Math.ConvertOrientationToVector2(angle)
    return Vector2.new(math.cos(angle), math.sin(angle))
end
function Math.ConvertOrientationToVector3(vX, vY, vZ)
    local x = vY.X  + 0     + vZ.X
    local y = 0     + vX.Y  + vZ.Y
    local z = vX.X  + vY.Y  + 0
    return Vector3.new(x, y, z).Unit
end
function Math.RandomDirection2()
    local direction = math.random()*math.pi*2
    return Math.ConvertOrientationToVector2(direction)
end
function Math.RandomDirection3()
    local vX = Math.RandomDirection2()
    local vY = Math.RandomDirection2()
    local vZ = Math.RandomDirection2()
    return Math.ConvertOrientationToVector3(vX, vY, vZ)
end

return Math