function isMyPingTheLowest()
    local players = getElementsByType("player")
    local yes = true
    for i, player in ipairs(players) do
        if getPlayerPing(getLocalPlayer()) > getPlayerPing(player) then
            yes = false
        end
    end
    if yes == true then
        return true
    else
        return false
    end
end
function findRotation(x1,y1,x2,y2)
    local t = -math.deg(math.atan2(x2-x1,y2-y1))
    if t < 0 then t = t + 360 end
    return t
end
addEventHandler("onClientPedDamage", getRootElement(),
    function(attacker)
        if getElementData(source, "type") == "ped.sniper.npc" and getElementData(attacker, "type") == "ped.sniper.npc" then
            cancelEvent()
        end
    end
)
setTimer(
    function()
        if isMyPingTheLowest() then
            for i, peds in ipairs(getElementsByType("ped")) do
                if getElementData(peds, "type") == "ped.sniper.npc" then
                    local x, y, z = getElementPosition(peds)
                    local lowest = nil
                    local player = nil
                    for i, players in ipairs(getElementsByType("player")) do
                        local px, py, pz = getElementPosition(players)
                        if getDistanceBetweenPoints3D(x, y, z, px, py, pz) < 100 then
                            if lowest == nil then
                                lowest = getDistanceBetweenPoints3D(x, y, z, px, py, pz)
                                player = players
                            else
                                if getDistanceBetweenPoints3D(x, y, z, px, py, pz) < lowest then
                                    lowest = getDistanceBetweenPoints3D(x, y, z, px, py, pz)
                                    player = players
                                end
                            end
                        end
                    end
                    if isElement(player) then
                        triggerServerEvent("sniperTakeDecision", getRootElement(), peds, player)
                    end
                end
            end
        end
    end
, 1500, 0)
addEvent("sniperTakeDecisionClient", true)
addEventHandler("sniperTakeDecisionClient", getRootElement(),
    function(sniperPedID, aimPlayer)
        local x, y, z = getElementPosition(sniperPedID)
        local px, py, pz = getElementPosition(aimPlayer)
        setPedAimTarget(sniperPedID, px, py, pz)
        local rotZ = findRotation(x, y, px, py)
        setPedRotation(sniperPedID, rotZ)
        setPedControlState(sniperPedID, "aim_weapon", true)
        setPedControlState(sniperPedID, "fire", true)
        setTimer(
            function()
                if isElement(sniperPedID) then
                    setPedControlState(sniperPedID, "fire", false)
                    setPedControlState(sniperPedID, "aim_weapon", false)
                end
            end
        , 500, 1)
    end
) 

setElementHealth (test, 100)

setElementHealth (test, 50)

setElementHealth (test, 0)