My heli is going downwards and i dont know how to fix it

Help and Feedback Scripting Support
#1

so i made a heli and there is a problem basically whenever i move forward in the heli for some reason the heli goes downwards if i were going backwards the heli goes down as well heres a video showing it:
robloxapp-20210828-1551284.wmv (3.3 MB)

here is my heli code:

local plane = script.Obj.Value
local plrgui = game.Players.LocalPlayer.PlayerGui
local gui = script:WaitForChild("HeliGui")
local vel = plane.Main.BodyVelocity
local BodyGyro = plane.Main.BodyGyro
local inputS=game:getService("UserInputService")
local player=game.Players.LocalPlayer
local seat = script.Parent.Parent
local ControlModule = require(game:GetService("Players").LocalPlayer.PlayerScripts.PlayerModule.ControlModule)
local Player = game.Players.LocalPlayer
local max_speed=50
local w,a,s,d,up,dn
local engine = script.Obj.Value.Main


gui.Up.MouseButton1Down:Connect(function()
	up = true
end)
gui.Up.MouseButton1Up:Connect(function()
	up = false
end)
gui.Down.MouseButton1Down:Connect(function()
	dn=true
end)
gui.Down.MouseButton1Up:Connect(function()
	dn=false
end)
inputS.InputBegan:Connect(function(input)
	local code=input.KeyCode
	if code==Enum.KeyCode.E then
		up=true
	elseif input.KeyCode==Enum.KeyCode.Q then
		dn=true
	end
end)

inputS.InputEnded:Connect(function(input)
	local code=input.KeyCode
	if code==Enum.KeyCode.E then
		up=false
	elseif input.KeyCode==Enum.KeyCode.Q then
		dn=false
	end
end)
function steer()
	while wait() do 
		local Vector = ControlModule:GetMoveVector()
		if Vector.z >= 1 then
			s=true
		else
			s=false
		end
		if Vector.z <= -1 then
			w=true
		else
			w=false
		end
		if Vector.x <= -1 then
			a=true
		else
			a=false
		end
		if Vector.x >= 1 then
			d=true
		else
			d=false
		end
	end
end
spawn(steer)
local chg=Vector3.new(0,0,0)
local rot=0
local inc=0
while wait(.1) do
	local lv=engine.CFrame.lookVector
	if up then
		if chg.y<30 then
			chg=chg+Vector3.new(0,2,0)
		end
	elseif dn then
		if chg.y>-30 then
			chg=chg+Vector3.new(0,-2,0)
		end
	elseif chg.magnitude>1 then
		chg=chg*0
	else
		chg=Vector3.new(0,0,0)
	end
	if w then
		if inc<max_speed then
			inc=inc+2
		end
		vel.Velocity=chg+(engine.CFrame.lookVector+Vector3.new(0,0,0))*inc
		BodyGyro.cframe=CFrame.new(engine.Position,engine.Position+Vector3.new(lv.x,-0.3,lv.z))
	elseif s then
		if inc >-max_speed then
			inc=inc-2
		end
		vel.Velocity=chg+(engine.CFrame.lookVector-Vector3.new(0,0,0))*inc
		BodyGyro.cframe=CFrame.new(engine.Position,engine.Position+Vector3.new(lv.x,0.3,lv.z))
	else
		inc=inc*0.9
		vel.Velocity=chg+engine.CFrame.lookVector*inc+Vector3.new(0,0,0)
		BodyGyro.cframe=CFrame.new(engine.Position,engine.Position+Vector3.new(lv.x,0,lv.z))
	end
	if a then
		if rot<math.pi/8 then
			rot=rot+math.pi/20
		end
		BodyGyro.cframe=BodyGyro.cframe*CFrame.Angles(0,math.pi/20,rot)
	elseif d then
		if rot>-math.pi/8 then
			rot=rot-math.pi/20
		end
		BodyGyro.cframe=BodyGyro.cframe*CFrame.Angles(0,-math.pi/20,rot)
	else
		rot=0
	end
end

please help thanks

#2

I think the problem is your helicopter is moving in the direction of the chassis’ lookvector. So when it is angled downwards like that it makes it move in that direction. I think just moving the helicopter in the x and z direction should fix this.

movementLV = Vector3.new(lv.X,0,lv.Z).Unit

try this instead of using the engines lookVector.

1 Like
#3

which part of script should i put this im not so good in vectors math lol

nvm i figured it out thanks for the help btw