blips ={}

minas = {}

for k,l in ipairs(getElementsByType('minas')) do
    local blip = createBlip(x,y,z,0,1.7,100,255,0,255)
    blips[blip] = blip]]
    minas[l] = l
end


function setVisibleBlip(mina)
    if not getElementData(localPlayer,'Detector de Minas') or (tonumber(getElementData(localPlayer,'Detector de Minas')) or 0) < 1 then
        if blips[mina] and isElement(blips[mina]) then
            destroyElement(blips[mina])
            blips[mina]=nil
        end
    return end
    bx,by,bz = getElementPosition (mina)
    px,py,pz = getElementPosition (localPlayer)
    distancia = getDistanceBetweenPoints2D(bx,by,px,py)
    if distancia > 100 then
        if blips[mina] and isElement(blips[mina]) then
            destroyElement(blips[mina])
            blips[mina]=nil
        end
    else
        if not blips[mina] and isElement(mina) then
            local x,y,z = getElementPosition(mina)
            local blip = createBlip(x,y,z,0,1.7,100,255,0,255)
            blips[mina] = blip
        end
    end
end
function VerificarVisibilidad()
    for k,mina in pairs(minas) do
        setVisibleBlip(mina)
    end
end
VerificarVisibilidad()
setTimer(VerificarVisibilidad,500,0)