How can I keep the velocity of the vehicle after using a Set Element Position?

Yang · October 14, 2018

Pleease I have this

local Up_Down1 = createMarker(0, 0, 3, 'checkpoint', 10.0, 255, 0, 0, 150)
local Up_Down2 = createMarker(10, 0, 3, 'checkpoint', 10.0, 255, 0, 0, 150)
local Up_Down3 = createMarker(20, 0, 3, 'checkpoint', 10.0, 255, 0, 0, 150)

function Down (source )
local x, y, z = getElementPosition(source)
setElementPosition ( source, x, y - 60, z)
end

function Up (source )
local x, y, z = getElementPosition(source)
setElementPosition ( source, x, y + 60, z)
end

addEventHandler( "onMarkerHit", Up_Down1, Down )
addEventHandler( "onMarkerHit", Up_Down2, Down )
addEventHandler( "onMarkerHit", Up_Down3, Down )

Z4Zy · October 14, 2018

You mean that marker should keep going with a same velocity when someone hit it ?

Yang · October 14, 2018

That's right

Z4Zy · October 14, 2018

I suggest you to use "moveObject" in this position.

Can you please post your lua code with code option in edit panel ?

Yang · October 14, 2018

How can I do that? I can't, I am new

Z4Zy · October 14, 2018

Well, can you see some edit options [ B, I, u] where you typing the texts to post ? There you can see a symbols like this <>. Click on it and paste your lua code there and click insert into post.

Yang · October 14, 2018

local Up_Down1 = createMarker(0, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down2 = createMarker(10, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down3 = createMarker(20, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down4 = createMarker(30, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down5 = createMarker(40, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down6 = createMarker(50, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down7 = createMarker(60, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down8 = createMarker(70, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down9 = createMarker(80, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down10 = createMarker(90, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)

local Down_up1 = createMarker(0, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up2 = createMarker(10, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up3 = createMarker(20, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up4 = createMarker(30, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up5 = createMarker(40, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up6 = createMarker(50, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up7 = createMarker(60, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up8 = createMarker(70, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up9 = createMarker(80, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up10 = createMarker(90, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
------------------------------------------------------------------------------------
local Right_Left1 = createMarker(0, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left2 = createMarker(0, -10, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left3 = createMarker(0, -20, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left4 = createMarker(0, -30, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left5 = createMarker(0, -40, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left6 = createMarker(0, -50, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left7 = createMarker(0, -60, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left8 = createMarker(0, -70, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left9 = createMarker(0, -80, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left10 = createMarker(0, -90, 3, 'checkpoint', 5.0, 255, 0, 0, 150)

local Left_Right1 = createMarker(100, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right2 = createMarker(100, -10, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right3 = createMarker(100, -20, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right4 = createMarker(100, -30, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right5 = createMarker(100, -40, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right6 = createMarker(100, -50, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right7 = createMarker(100, -60, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right8 = createMarker(100, -70, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right9 = createMarker(100, -80, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right10 = createMarker(100, -90, 3, 'checkpoint', 5.0, 255, 0, 0, 150)


function Down (source )
	local x, y, z = getElementPosition(source)
    setElementPosition ( source, x, y - 80, z, false)
end
function Up (source )
	local x, y, z = getElementPosition(source)
    setElementPosition ( source, x, y + 80, z, false)
end
function Right (source )
	local x, y, z = getElementPosition(source)
    setElementPosition ( source, x- 80, y, z, false)
end
function Left (source )
	local x, y, z = getElementPosition(source)
    setElementPosition ( source, x+ 80, y, z, false)
end
addEventHandler( "onMarkerHit", Up_Down1, Down )
addEventHandler( "onMarkerHit", Up_Down2, Down )
addEventHandler( "onMarkerHit", Up_Down3, Down )
addEventHandler( "onMarkerHit", Up_Down4, Down )
addEventHandler( "onMarkerHit", Up_Down5, Down )
addEventHandler( "onMarkerHit", Up_Down6, Down )
addEventHandler( "onMarkerHit", Up_Down7, Down )
addEventHandler( "onMarkerHit", Up_Down8, Down )
addEventHandler( "onMarkerHit", Up_Down9, Down )
addEventHandler( "onMarkerHit", Up_Down10, Down )

addEventHandler( "onMarkerHit", Down_up1, Up )
addEventHandler( "onMarkerHit", Down_up2, Up )
addEventHandler( "onMarkerHit", Down_up3, Up )
addEventHandler( "onMarkerHit", Down_up4, Up )
addEventHandler( "onMarkerHit", Down_up5, Up )
addEventHandler( "onMarkerHit", Down_up6, Up )
addEventHandler( "onMarkerHit", Down_up7, Up )
addEventHandler( "onMarkerHit", Down_up8, Up )
addEventHandler( "onMarkerHit", Down_up9, Up )
addEventHandler( "onMarkerHit", Down_up10, Up )
-------------------------------------------------------------------
addEventHandler( "onMarkerHit", Right_Left1, Left )
addEventHandler( "onMarkerHit", Right_Left2, Left )
addEventHandler( "onMarkerHit", Right_Left3, Left )
addEventHandler( "onMarkerHit", Right_Left4, Left )
addEventHandler( "onMarkerHit", Right_Left5, Left )
addEventHandler( "onMarkerHit", Right_Left6, Left )
addEventHandler( "onMarkerHit", Right_Left7, Left )
addEventHandler( "onMarkerHit", Right_Left8, Left )
addEventHandler( "onMarkerHit", Right_Left9, Left )
addEventHandler( "onMarkerHit", Right_Left10, Left )

addEventHandler( "onMarkerHit", Left_Right1, Right )
addEventHandler( "onMarkerHit", Left_Right2, Right )
addEventHandler( "onMarkerHit", Left_Right3, Right )
addEventHandler( "onMarkerHit", Left_Right4, Right )
addEventHandler( "onMarkerHit", Left_Right5, Right )
addEventHandler( "onMarkerHit", Left_Right6, Right )
addEventHandler( "onMarkerHit", Left_Right7, Right )
addEventHandler( "onMarkerHit", Left_Right8, Right )
addEventHandler( "onMarkerHit", Left_Right9, Right )
addEventHandler( "onMarkerHit", Left_Right10, Right )

Storm-Hanma · October 14, 2018

You didn't use set element velocity function add this function before set element position

https://wiki.multitheftauto.com/wiki/SetElementVelocity

Edited October 14, 2018 by KINGKHAN

Yang · October 14, 2018

local Up_Down1 = createMarker(0, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down2 = createMarker(10, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down3 = createMarker(20, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down4 = createMarker(30, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down5 = createMarker(40, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down6 = createMarker(50, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down7 = createMarker(60, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down8 = createMarker(70, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down9 = createMarker(80, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Up_Down10 = createMarker(90, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)

local Down_up1 = createMarker(0, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up2 = createMarker(10, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up3 = createMarker(20, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up4 = createMarker(30, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up5 = createMarker(40, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up6 = createMarker(50, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up7 = createMarker(60, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up8 = createMarker(70, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up9 = createMarker(80, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Down_up10 = createMarker(90, -100, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
------------------------------------------------------------------------------------
local Right_Left1 = createMarker(0, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left2 = createMarker(0, -10, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left3 = createMarker(0, -20, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left4 = createMarker(0, -30, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left5 = createMarker(0, -40, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left6 = createMarker(0, -50, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left7 = createMarker(0, -60, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left8 = createMarker(0, -70, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left9 = createMarker(0, -80, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Right_Left10 = createMarker(0, -90, 3, 'checkpoint', 5.0, 255, 0, 0, 150)

local Left_Right1 = createMarker(100, 0, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right2 = createMarker(100, -10, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right3 = createMarker(100, -20, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right4 = createMarker(100, -30, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right5 = createMarker(100, -40, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right6 = createMarker(100, -50, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right7 = createMarker(100, -60, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right8 = createMarker(100, -70, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right9 = createMarker(100, -80, 3, 'checkpoint', 5.0, 255, 0, 0, 150)
local Left_Right10 = createMarker(100, -90, 3, 'checkpoint', 5.0, 255, 0, 0, 150)


function Down (source )

	local Sx, Sy, Sz = getElementVelocity (source)
	local Px, Py, Pz = getElementPosition (source)
	setElementVelocity ( source, Sx, Sy, Sz) 
    setElementPosition ( source, Px, Py - 80, Pz, false)
end
function Up (source )
	local Sx, Sy, Sz = getElementVelocity(source)
	local Px, Py, Pz = getElementPosition(source)
	setElementVelocity (source, Sx, Sy, Sz) 
    setElementPosition ( source, Px, Py + 80, Pz, false)
end
function Right (source )
	local x, y, z = getElementPosition(source)
    setElementPosition ( source, x- 80, y, z, false)
end
function Left (source )
	local x, y, z = getElementPosition(source)
    setElementPosition ( source, x+ 80, y, z, false)
end
addEventHandler( "onMarkerHit", Up_Down1, Down )
addEventHandler( "onMarkerHit", Up_Down2, Down )
addEventHandler( "onMarkerHit", Up_Down3, Down )
addEventHandler( "onMarkerHit", Up_Down4, Down )
addEventHandler( "onMarkerHit", Up_Down5, Down )
addEventHandler( "onMarkerHit", Up_Down6, Down )
addEventHandler( "onMarkerHit", Up_Down7, Down )
addEventHandler( "onMarkerHit", Up_Down8, Down )
addEventHandler( "onMarkerHit", Up_Down9, Down )
addEventHandler( "onMarkerHit", Up_Down10, Down )

addEventHandler( "onMarkerHit", Down_up1, Up )
addEventHandler( "onMarkerHit", Down_up2, Up )
addEventHandler( "onMarkerHit", Down_up3, Up )
addEventHandler( "onMarkerHit", Down_up4, Up )
addEventHandler( "onMarkerHit", Down_up5, Up )
addEventHandler( "onMarkerHit", Down_up6, Up )
addEventHandler( "onMarkerHit", Down_up7, Up )
addEventHandler( "onMarkerHit", Down_up8, Up )
addEventHandler( "onMarkerHit", Down_up9, Up )
addEventHandler( "onMarkerHit", Down_up10, Up )
-------------------------------------------------------------------
addEventHandler( "onMarkerHit", Right_Left1, Left )
addEventHandler( "onMarkerHit", Right_Left2, Left )
addEventHandler( "onMarkerHit", Right_Left3, Left )
addEventHandler( "onMarkerHit", Right_Left4, Left )
addEventHandler( "onMarkerHit", Right_Left5, Left )
addEventHandler( "onMarkerHit", Right_Left6, Left )
addEventHandler( "onMarkerHit", Right_Left7, Left )
addEventHandler( "onMarkerHit", Right_Left8, Left )
addEventHandler( "onMarkerHit", Right_Left9, Left )
addEventHandler( "onMarkerHit", Right_Left10, Left )

addEventHandler( "onMarkerHit", Left_Right1, Right )
addEventHandler( "onMarkerHit", Left_Right2, Right )
addEventHandler( "onMarkerHit", Left_Right3, Right )
addEventHandler( "onMarkerHit", Left_Right4, Right )
addEventHandler( "onMarkerHit", Left_Right5, Right )
addEventHandler( "onMarkerHit", Left_Right6, Right )
addEventHandler( "onMarkerHit", Left_Right7, Right )
addEventHandler( "onMarkerHit", Left_Right8, Right )
addEventHandler( "onMarkerHit", Left_Right9, Right )
addEventHandler( "onMarkerHit", Left_Right10, Right )

It doesn't work

savour · October 20, 2018

you need to use the setElementVelocity after changing the position, not before.

function Down (source )
	local Sx, Sy, Sz = getElementVelocity (source)
	local Px, Py, Pz = getElementPosition (source) 
    setElementPosition ( source, Px, Py - 80, Pz, false)
  	setTimer(function() setElementVelocity ( source, Sx, Sy, Sz) end, 100, 1)
end

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How can I keep the velocity of the vehicle after using a Set Element Position?

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