local Players = game:GetService("Players")
local player = Players.LocalPlayer
local backpack = player:WaitForChild("Backpack")
local character = player.Character or player.CharacterAdded:Wait()
local humanoid = character:WaitForChild("Humanoid")
local hrp = character:WaitForChild("HumanoidRootPart")
local camera = workspace.CurrentCamera
local playerGui = player:WaitForChild("PlayerGui")

local canDash = true
local cooldownTime = 1.5
local cooldownStartTime = 0

local dashTool = Instance.new("Tool")
dashTool.Name = "Dash"
dashTool.RequiresHandle = false
dashTool.CanBeDropped = false

local dashGui = Instance.new("ScreenGui")
dashGui.Name = "DashGUI"
dashGui.ResetOnSpawn = false
dashGui.Enabled = false

local dashButton = Instance.new("TextButton")
dashButton.Name = "DashButton"
dashButton.Size = UDim2.new(0, 100, 0, 40)
dashButton.Position = UDim2.new(1, -110, 1, -140)
dashButton.AnchorPoint = Vector2.new(0, 0)
dashButton.BackgroundColor3 = Color3.fromRGB(60, 60, 60)
dashButton.TextColor3 = Color3.fromRGB(255, 255, 255)
dashButton.Font = Enum.Font.SourceSansBold
dashButton.TextSize = 20
dashButton.Text = "Dash"
dashButton.AutoButtonColor = true
dashButton.Parent = dashGui

local cooldownBar = Instance.new("Frame")
cooldownBar.Size = UDim2.new(0, 100, 0, 5)
cooldownBar.Position = UDim2.new(1, -110, 1, -150)
cooldownBar.BackgroundColor3 = Color3.fromRGB(255, 0, 0)
cooldownBar.Parent = dashGui

dashTool.Equipped:Connect(function()
    dashGui.Enabled = true
    dashGui.Parent = playerGui
end)

dashTool.Unequipped:Connect(function()
    dashGui.Enabled = false
end)

dashButton.MouseButton1Click:Connect(function()
    if not canDash then return end
    canDash = false
    cooldownStartTime = tick()

    local oldSpeed, oldJump = humanoid.WalkSpeed, humanoid.JumpPower
    humanoid.WalkSpeed = 0
    humanoid.JumpPower = 65

    humanoid:ChangeState(Enum.HumanoidStateType.Jumping)

    local anim = Instance.new("Animation")
    anim.AnimationId = "rbxassetid://282574440"
    local track = humanoid:LoadAnimation(anim)
    track:Play()

    local sound = Instance.new("Sound")
    sound.SoundId = "rbxassetid://6128977275"
    sound.Volume = 1
    sound.PlayOnRemove = true
    sound.Parent = hrp
    sound:Destroy()

    local function makeParticle(texture, rate, size, spread)
        local p = Instance.new("ParticleEmitter")
        p.Texture = texture
        p.Rate = rate
        p.Size = NumberSequence.new(size)
        p.Lifetime = NumberRange.new(0.3)
        p.Speed = NumberRange.new(10, 15)
        p.SpreadAngle = Vector2.new(spread, spread)
        p.Transparency = NumberSequence.new({NumberSequenceKeypoint.new(0, 0.1), NumberSequenceKeypoint.new(1, 1)})
        p.Parent = hrp
        return p
    end

    local smoke = makeParticle("rbxasset://textures/particles/smoke_main.dds", 200, 1.5, 30)
    local speedLines = makeParticle("rbxassetid://11978082513", 10, 2, 15)

    local oldFov = camera.FieldOfView
    camera.FieldOfView = 90
    task.delay(0.5, function()
        camera.FieldOfView = oldFov
    end)

    local function camShake()
        local startTime = tick()
        while tick() - startTime < 0.3 do
            local offset = Vector3.new(
                math.random(-1,1)*0.2,
                math.random(-1,1)*0.2,
                math.random(-1,1)*0.2
            )
            camera.CFrame = camera.CFrame * CFrame.new(offset)
            task.wait()
        end
    end
    task.spawn(camShake)

    task.delay(0.2, function()
        hrp.Velocity = hrp.CFrame.LookVector * 100 -- Reduced dash boost to 100
    end)

    task.delay(0.3, function()
        humanoid.PlatformStand = true
        local bodyGyro = Instance.new("BodyGyro")
        bodyGyro.D = 500
        bodyGyro.MaxTorque = Vector3.new(400000, 0, 400000)
        bodyGyro.CFrame = hrp.CFrame * CFrame.Angles(math.rad(70), 0, 0)
        bodyGyro.Parent = hrp

        task.delay(0.75, function()
            humanoid.PlatformStand = false
            bodyGyro:Destroy()
        end)
    end)

    task.delay(0.2, function()
        local particleCount = 0
        while particleCount < 3 do
            local ring = makeParticle("rbxassetid://12201347394", 0, 8, 10) -- Bigger rings, visible and move backward
            ring.Speed = NumberRange.new(0, 0)
            ring.SpreadAngle = Vector2.new(0, 0)
            ring.Size = NumberSequence.new(8)
            ring.Lifetime = NumberRange.new(1)
            ring.Position = hrp.Position + Vector3.new(0, 3, -10 * (particleCount + 1)) -- Backward spawn
            task.delay(0.5, function()
                ring.Enabled = false
            end)
            particleCount = particleCount + 1
        end
    end)

    task.delay(1, function()
        if track and track.IsPlaying then
            track:Stop()
        end
        smoke.Enabled = false
        speedLines.Enabled = false
        smoke:Destroy()
        speedLines:Destroy()
    end)

    task.delay(cooldownTime, function()
        humanoid.WalkSpeed = oldSpeed
        humanoid.JumpPower = oldJump
        canDash = true
    end)
end)

game:GetService("RunService").Heartbeat:Connect(function()
    local elapsed = tick() - cooldownStartTime
    cooldownBar.Size = UDim2.new(0, 100 * (1 - elapsed / cooldownTime), 0, 5)
    if elapsed >= cooldownTime then
        cooldownBar.Size = UDim2.new(0, 100, 0, 5)
    end
end)

dashTool.Parent = backpack