2 or more key inputs to do a controlled fling

[flat ermine]

So im making a new game where you can fling around the map so you can traverse it, and im doing first the mechanics, but i want to know how I could make when you jump and press Q or Q and jump you can do a fling that goes a shorter distance and you can kind of control it (It's actually a roblox bug that i thought i could use to my advantage), here is the code, and give me ideas on how i could make it better!

local RunService = game:GetService("RunService")
local Players = game:GetService("Players")
local UserInputService = game:GetService("UserInputService")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local camera = workspace.CurrentCamera
local player = Players.LocalPlayer
local char = player.Character or player.CharacterAdded:Wait()
local hum = char:WaitForChild("Humanoid")
local HRP = char:FindFirstChild("HumanoidRootPart")
local InputService = game:GetService("UserInputService")
local debounce = false
local comboWindow = 0.5 -- seconds to complete the combo
local lastjump = 0

UserInputService.InputBegan:Connect(function(input, GamePE)
    if GamePE then
        return
    end

    
    if input.KeyCode == Enum.KeyCode.Q then
        --dont put anything in here
        if debounce then return end --do it after this
        local currentTime = os.clock()
        if input.KeyCode == Enum.KeyCode.Space then -- if it jumped after Q, it will do a controlled fling
            
            if currentTime - lastjump < 0.5 then
                local lookDir = Vector3.new(camera.CFrame.LookVector.X, 0, camera.CFrame.LookVector.Z)
                local rightDir = Vector3.new(camera.CFrame.RightVector.X, 0, camera.CFrame.RightVector.Z)
                HRP.AssemblyLinearVelocity = Vector3.new(camera.CFrame.LookVector.X * 10, 10, camera.CFrame.LookVector.Z * 10)
                HRP.AssemblyAngularVelocity = Vector3.new(1, 0, 0)
                print("2nd ability!")
            end
            lastjump = currentTime
            
    
    end

        debounce = true
        --Part for when it flings
        local lookDir = Vector3.new(camera.CFrame.LookVector.X, 0, camera.CFrame.LookVector.Z)
        local rightDir = Vector3.new(camera.CFrame.RightVector.X, 0, camera.CFrame.RightVector.Z)
        print(lookDir)
        HRP.AssemblyLinearVelocity = Vector3.new(camera.CFrame.LookVector.X * 100, 100, camera.CFrame.LookVector.Z * 100)
        HRP.AssemblyAngularVelocity = Vector3.new(1, 0, 0)

        task.wait(2) --First, waits 2 seconds
        --Part where it tries to make player stand up
        while hum.PlatformStand == true do
            hum.PlatformStand = false
            local look = HRP.CFrame.LookVector
            local flatLook = Vector3.new(look.X, 0, look.Z)
            char:PivotTo(CFrame.new(HRP.Position, HRP.Position + flatLook))
        end
        task.wait(3)
        debounce = false
        
        
    end
    
end)

[sudden dust]

add iskeydown q or iskeydown space and isjumping