sWidth, sHeight = guiGetScreenSize ( ) 
  
function vve ( ) 
    local vida = getElementHealth ( localPlayer ) 
    dxDrawText ( tostring ( math.floor ( vida + 0.1 ) ) .."%", ( 1300 / 1440 ) * sWidth, ( 28 / 900 ) * sHeight, sWidth, sHeight, tocolor ( 255, 255, 255, 255 ), 0.4, "bankgothic" ) 
    local armadura = getPedArmor ( localPlayer ) 
    dxDrawText ( tostring ( math.floor ( armadura + 0.1 ) ) .."%", ( 1320 / 1440 ) * sWidth, ( 47 / 900 ) * sHeight, sWidth, sHeight, tocolor ( 255, 255, 255, 255 ), 0.4, "bankgothic" )  
end 
  
function salu ( ) 
    addEventHandler ( "onClientRender", root, vve ) 
end 
addEventHandler ( "onClientResourceStart", resourceRoot, salu ) 
 
Proba eso, si no funca, proba esto: 
sWidth, sHeight = guiGetScreenSize ( ) 
  
function vve ( ) 
    local vida = getElementHealth ( localPlayer ) 
    dxDrawText ( tostring ( math.floor ( vida + 0.1 ) ) .."%", ( 1300 / 1024 ) * sWidth, ( 28 / 768 ) * sHeight, sWidth, sHeight, tocolor ( 255, 255, 255, 255 ), 0.4, "bankgothic" ) 
    local armadura = getPedArmor ( localPlayer ) 
    dxDrawText ( tostring ( math.floor ( armadura + 0.1 ) ) .."%", ( 1320 / 1024 ) * sWidth, ( 47 / 768 ) * sHeight, sWidth, sHeight, tocolor ( 255, 255, 255, 255 ), 0.4, "bankgothic" )  
end 
  
function salu ( ) 
    addEventHandler ( "onClientRender", root, vve ) 
end 
addEventHandler ( "onClientResourceStart", resourceRoot, salu )