Spaceship Script

local playerFolder = game.Workspace.Players
local cockpit = true

local inpart, outpart

local UserInputService = game:GetService("UserInputService")
local RunService = game:GetService("RunService")
local rs = game:GetService("ReplicatedStorage")

local player = game:GetService("Players").LocalPlayer
local mouse = player:GetMouse()

game.Workspace.CurrentCamera:Remove()
local camera = Instance.new("Camera",workspace)
camera.Name = player.Name.."Camera"
camera.CameraType = Enum.CameraType.Scriptable

local X, Y = mouse.X, mouse.Y
local ViewX, ViewY = camera.ViewportSize.X, camera.ViewportSize.Y
local center = Vector2.new(ViewX/ 2, ViewY / 2)

local minFOV, maxFOV = 40, 90
local currentFOV = maxFOV
local FOVstep = 5

local radius = 30
local rotSensetivity = 5
local maxZRot = 60 -- yaw
local maxAccel = 50
local currentAccel = 30
local isFiring
local freeview = false
local currentGun = 1
local lastAccelTick, lastApplyAccelTick, lastBoltFired = tick(), tick(), tick()
local w, s, a, d, f, q, e = false, false, false, false, false, false, false

local changepos = rs.changepos
local firebolt = rs.firebolt

function lerp(a, b, t)
    return a * (1-t) + (b*t)
end

-- get value from one screen to the other starting from the center
function calculateValue(axis, valmin, valmax)
    local percentage = mouse[axis] / camera.ViewportSize[axis]
    local valueRange = valmax - valmin
    local calculatedValue = (percentage * valueRange) + valmin
    return calculatedValue
end

mouse.WheelForward:Connect(function()
    if freeview then
        if currentFOV >= (minFOV+FOVstep) then
            currentFOV -= FOVstep
        end
    else
        if currentAccel < maxAccel then
            currentAccel += 5
        end
    end

end)

mouse.WheelBackward:Connect(function()
    if freeview then
        if currentFOV <= (maxFOV-FOVstep) then
            currentFOV += FOVstep
        end
    else
        if currentAccel > 0 then
            currentAccel -= 5
        end
    end
end)

UserInputService.InputBegan:Connect(function(input)
    if input.KeyCode == Enum.KeyCode.C then
        if not cockpit then
            cockpit = true
            camera.FieldOfView = maxFOV
            currentFOV = maxFOV
        else
            cockpit = false
            camera.FieldOfView = maxFOV
            currentFOV = maxFOV
        end
    end

    if input.KeyCode == Enum.KeyCode.Q then
        q = true
    end
    if input.KeyCode == Enum.KeyCode.E then
        e = true
    end
    if input.KeyCode == Enum.KeyCode.W then
        w = true
    end
    if input.KeyCode == Enum.KeyCode.S then
        s = true
    end
    if input.KeyCode == Enum.KeyCode.A then
        a = true
    end
    if input.KeyCode == Enum.KeyCode.D then
        d = true
    end
    if input.KeyCode == Enum.KeyCode.F then
        freeview = true
        f = true
    end
    if input.UserInputType == Enum.UserInputType.MouseButton1 then
        isFiring = true
    end
end)

UserInputService.InputEnded:Connect(function(input)
    if input.KeyCode == Enum.KeyCode.Q then
        q = false
    end
    if input.KeyCode == Enum.KeyCode.E then
        e = false
    end
    if input.KeyCode == Enum.KeyCode.W then
        w = false
    end
    if input.KeyCode == Enum.KeyCode.S then
        s = false
    end
    if input.KeyCode == Enum.KeyCode.A then
        a = false
    end
    if input.KeyCode == Enum.KeyCode.D then
        d = false
    end
    if input.KeyCode == Enum.KeyCode.F then
        freeview = false
        f = false
    end
    if input.UserInputType == Enum.UserInputType.MouseButton1 then
        isFiring = false
    end
end)

-- center of screen to edges in pixels
function getDistanceFromCenter(position)
    return (position - center).Magnitude
end

--repeat task.wait() until playerFolder[player.Name] ~= nil

local lastRotX = 0
local lastRotY = 0
local lastRotZ = 0

function updateCamera()
    --print(currentFOV)


    if playerFolder[player.Name] ~= nil then
        mouse.Icon = "http://www.roblox.com/asset/?id=13734905207"

        local camera = workspace:FindFirstChild(player.Name.."Camera")

        X, Y = mouse.X, mouse.Y
        ViewX, ViewY = camera.ViewportSize.X, camera.ViewportSize.Y
        center = Vector2.new(ViewX/ 2, ViewY / 2)

        local ship = playerFolder[player.Name]
        local inHUD = ship.inHUD
        local accelBar = inHUD.SurfaceGui.Frame.Accel.Accel.bar
        local shipOrigin = ship.Origin
        local shipSounds = shipOrigin.Sounds
        local thrusterSound = shipOrigin.Sounds.thruster
        local blasterSound = shipOrigin.Sounds.blaster

        local shipPosition = shipOrigin.Attachment.AlignPosition
        local shipOrientation = shipOrigin.Attachment.AlignOrientation

        local shipThrusters = {}
        local shipGuns = {ship.leftGun, ship.rightGun}

        -- get both thrusters, put it in a table
        for _, v in pairs(ship:GetChildren())do
            if v.Name == "Thruster" then
                table.insert(shipThrusters, v)
            end
        end

        local serverdata = require(ship.serverdata)
        serverdata.cameralookvector = camera.CFrame.LookVector
        serverdata.cameraupvector = camera.CFrame.UpVector
        local delta = UserInputService:GetMouseDelta()
        local x, y = delta.X, delta.Y


        local turning = false
        local centerTodistance = getDistanceFromCenter(Vector2.new(X, Y))
        local incircle = ViewY/17
        local outcircle = ViewY/2.4
        local rotation = (camera.CFrame-camera.CFrame.Position) * CFrame.Angles(math.rad(0),math.rad(0),math.rad(0))

        --rotation =  (camera.CFrame-camera.CFrame.Position) * CFrame.Angles(math.rad((-y)*rotSensetivity),math.rad((-x)*rotSensetivity),math.rad(0))

        --X >= 0 and X <= ViewX and Y >= 0 and Y <= ViewY and
        if camera and ship then
            local xValue = calculateValue("X", -20, 20)
            local yValue = calculateValue("Y", -20, 20)
            camera.FieldOfView = lerp(camera.FieldOfView, currentFOV, 0.2)
            if cockpit then--doesn't need editting
                -- in first person
                camera.CFrame = ship:FindFirstChild("inPart").CFrame * CFrame.Angles(-math.rad(yValue) , -math.rad(xValue) ,0)
            else
                -- in third person
                camera.CFrame = camera.CFrame:lerp(ship:FindFirstChild("outPart").CFrame * CFrame.Angles(-math.rad(yValue) , -math.rad(xValue) ,0), 0.1)
            end
        end



        -- if moving
        if currentAccel > -1 then
            if (tick() - lastAccelTick) > 0.1 then
                local xValue = calculateValue("X", -20, 20)
                local yValue = calculateValue("Y", -20, 20)
                lastAccelTick = tick()

                -- if not moving, stop thrusters
                if currentAccel == 0 then
                    thrusterSound:Stop()
                else
                    if not thrusterSound.Playing then
                        thrusterSound:Play()
                    end
                end

                -- if mouse in turning range
                if centerTodistance > incircle then
                    turning = true
                    rotSensetivity = (centerTodistance-incircle)
                    rotation =  (camera.CFrame-camera.CFrame.Position) * CFrame.Angles(math.rad(-y),math.rad(-x),math.rad(0))
                else
                    rotation = (camera.CFrame-camera.CFrame.Position) * CFrame.Angles(math.rad(0),math.rad(0),math.rad(0))
                    turning = false
                end

                local xx, yy, zz = math.rad(0), math.rad(0), math.rad(0)

                -----

                -- pressing q, rotate right
                if q and not e then
                    yy = math.rad((-x)+maxZRot)
                end

                -- pressing e, rotate left
                if e and not q then
                    yy = math.rad((-x)-maxZRot)
                end

                -----

                -- pressing d, tilt right
                if d and not a then
                    zz = math.rad(-maxZRot)
                end

                -- pressing a, tilt left
                if a and not d then
                    zz = math.rad(maxZRot)
                end

                -----

                -- pressing w, tilt down
                if w and not s then
                    xx = math.rad((-y)-maxZRot)
                end

                -- pressing s, tilt up
                if s and not w then
                    xx = math.rad((-y)+maxZRot)
                end

                if a or d or w or s or q or e then
                    rotation =  (camera.CFrame-camera.CFrame.Position) * CFrame.Angles(xx,yy,zz)
                end

                -----

                -- change thruster particles based on speed
                for _, v in pairs(shipThrusters)do
                    if v and v.Flames then
                        v.Flames.Rate = (currentAccel/maxAccel)*100
                    end
                end



                -- apply changes to the server
                changepos:FireServer(camera.CFrame.LookVector * currentAccel, rotation)

            end
        end

        -- set thruster volume
        thrusterSound.PitchShiftSoundEffect.Octave = lerp(thrusterSound.PitchShiftSoundEffect.Octave,(currentAccel/maxAccel),0.1)
        thrusterSound.Volume = lerp(thrusterSound.Volume, (currentAccel/maxAccel) * 0.15, 0.1)

        --hud speed bar
        accelBar.Size = UDim2.new(1,0,(currentAccel/maxAccel),0)

        -- self explainatory
        if isFiring then

            if (tick()-lastBoltFired) > 0.12 then
                print("firing")
                if currentGun == 1 then
                    blasterSound:Play()
                    firebolt:FireServer(ship, shipGuns, currentGun)
                    currentGun = 2
                    lastBoltFired = tick()
                elseif currentGun == 2 then
                    blasterSound:Play()
                    firebolt:FireServer(ship, shipGuns, currentGun)
                    currentGun = 1
                    lastBoltFired = tick()
                end
            end

        end
    else
        return warn("no ship")
    end

end

RunService.RenderStepped:Connect(function()
    --if playerFolder[player.Name] ~= nil then
        updateCamera()
    --end
end)