SmokeGrenadeServer

local grenade = script.Parent

local re = grenade:WaitForChild("ThrowRE")

local cooldown = false


local ps = game:GetService("PhysicsService")
ps:CreateCollisionGroup("Grenade")
ps:CreateCollisionGroup("Character")
ps:CollisionGroupSetCollidable("Character", "Grenade", false)



re.OnServerEvent:Connect(function(plr, mouseHit)

    if cooldown then return end
    cooldown = true


    local grenadeCopy = grenade.Handle:Clone()


    for i, descendant in pairs(plr.Character:GetDescendants()) do

        if descendant:IsA("BasePart") then ps:SetPartCollisionGroup(descendant, "Character") end
    end

    ps:SetPartCollisionGroup(grenadeCopy, "Grenade")


    local velocity = (mouseHit.Position - Vector3.new(0, -game.Workspace.Gravity * 0.3, 0))

    grenadeCopy.Velocity = velocity
    grenadeCopy.CanCollide = true
    grenadeCopy.Parent = workspace


    grenade.Handle.Transparency = 1


    wait(3)

    grenadeCopy.Smoke.Enabled = true
    grenadeCopy.Explode:Play()

    wait(grenadeCopy.Explode.TimeLength)
    grenadeCopy:Destroy()
    grenade.Handle.Transparency = 0
    cooldown = false
end)