How can I make my cannon bullet go at the cannon facing direction instead of going straight?

[Tranquananh2811 (sir_pretender)]

Hello Developers, I’m just wondering on how to make the bullets going at the green lines instead of read lines. What I want to achieve is to make the bullet go at forward direction of where the cannon pointing at but it seems like the bullet keep going straight. Does anyone know how can I fix this? And I also use FastCast module for this.

Script:

local CannonBulletCaster = FastCast.new()
		
local BulletCastParams = RaycastParams.new()
BulletCastParams.FilterType = Enum.RaycastFilterType.Exclude
BulletCastParams.FilterDescendantsInstances = {Tower, CannonBulletsFolder}
BulletCastParams.IgnoreWater = true

for _, Teammate in Players:GetPlayers() do
    if Teammate and Teammate.Team.Name == Tower:GetAttribute('Team') and not table.find(BulletCastParams.FilterDescendantsInstances, Teammate.Character) then
        table.insert(BulletCastParams.FilterDescendantsInstances, Teammate.Character)
    end
end

for _, BulletPosAttachment in Tower_Root:GetChildren() do
    if BulletPosAttachment:IsA('Attachment') and BulletPosAttachment.Name == 'BulletPos' then
        local CannonBullet = Instance.new('Part')
        CannonBullet.Name = 'CannonBullet'
        CannonBullet.Anchored = false
        CannonBullet.CanCollide = false
        CannonBullet.Color = Color3.fromRGB(0, 0, 0)
        CannonBullet.Material = Enum.Material.SmoothPlastic
        CannonBullet.Size = BulletSize
        CannonBullet.Shape = BulletShapeType
        CannonBullet.Parent = workspace
        
        local BulletCasterBehaviour = FastCast.newBehavior()
        BulletCasterBehaviour.Acceleration = Vector3.new(0, -5, 0)
        BulletCasterBehaviour.AutoIgnoreContainer = false
        BulletCasterBehaviour.RaycastParams = BulletCastParams
        BulletCasterBehaviour.CosmeticBulletTemplate = CannonBullet
        BulletCasterBehaviour.CosmeticBulletContainer = CannonBulletsFolder
        
        local BulletOrigin = BulletPosAttachment.WorldPosition
        local BulletDirection = (-BulletPosAttachment.CFrame.LookVector * BulletOrigin).Unit
        
        CannonBulletCaster:Fire(BulletPosAttachment.WorldPosition + -BulletPosAttachment.WorldCFrame.LookVector, BulletDirection, Cannon_AttackRange, BulletCasterBehaviour)
    end
end

CannonBulletCaster.LengthChanged:Connect(function(Cast, LastPoint, Direction, Length, Velocity, Bullet)
    if Bullet then
        Bullet.CFrame = CFrame.lookAt(LastPoint + (Direction * Length), LastPoint)
    end
end)

Image:

[Tranquananh2811 (sir_pretender)]

I solved it myself. Just change direction to the bullet attachment forward cframe and replace origin with BulletOrigin