local lp = game.Players.LocalPlayer
local camera = workspace.CurrentCamera
local RunService = game:GetService("RunService")
local UIS = game:GetService("UserInputService")

local Settings = {
    Enabled = true,
    ActiveKey = Enum.UserInputType.MouseButton1,
    Sens = 1.0,
    Smoothness = 0.12
}

local targetX, targetY, targetZ = 0, 0, 0
local isFiring = false
local recoveryTime = 0

local function sync()
    local x, y, z = camera.CFrame:ToEulerAnglesYXZ()
    targetX, targetY, targetZ = x, y, z
end

sync()

RunService:BindToRenderStep("DynamicZeroRecoil", Enum.RenderPriority.Camera.Value + 1, function(dt)
    if UIS.MouseBehavior == Enum.MouseBehavior.Default then sync() return end
    
    local char = lp.Character
    if not char or not char:FindFirstChildOfClass("Humanoid") or char.Humanoid.Health <= 0 then 
        sync() 
        return 
    end

    local delta = UIS:GetMouseDelta()
    local _, _, realZ = camera.CFrame:ToEulerAnglesYXZ()
    local flip = (camera.CFrame.UpVector.Y < 0) and -1 or 1

    if Settings.Enabled and UIS:IsMouseButtonPressed(Settings.ActiveKey) then
        isFiring = true
        recoveryTime = 0.35 
        
        
        targetY = targetY - math.rad(delta.X * Settings.Sens * 0.48 * flip)
        targetX = targetX - math.rad(delta.Y * Settings.Sens * 0.48)
        targetX = math.clamp(targetX, math.rad(-85), math.rad(85))
        
        camera.CFrame = CFrame.new(camera.CFrame.Position) * CFrame.fromEulerAnglesYXZ(targetX, targetY, realZ)
    else
      
        if isFiring then
            if recoveryTime > 0 then
                recoveryTime = recoveryTime - dt
                
             
                if delta.Magnitude > 0 then
                    targetY = targetY - math.rad(delta.X * Settings.Sens * 0.48 * flip)
                    targetX = targetX - math.rad(delta.Y * Settings.Sens * 0.48)
                    targetX = math.clamp(targetX, math.rad(-85), math.rad(85))
                end
                
               
                camera.CFrame = CFrame.new(camera.CFrame.Position) * CFrame.fromEulerAnglesYXZ(targetX, targetY, targetZ)
            else
                sync()
                isFiring = false
            end
        else
            sync()
        end
    end
end)