function()
        for i, v in ipairs(getElementsByType("marker")) do
            if getElementData(v, "m:praca") then
                local x, y, z = getElementPosition(v)
                local x2, y2, z2 = getElementPosition(localPlayer)
                local r, g, b, a = getMarkerColor(v)
                local distanceBetweenPoints = getDistanceBetweenPoints3D(x, y, z, x2, y2, z2)
                if (distanceBetweenPoints < distance) then
                    local size = getMarkerSize(v)
                    if anim_type == "foward" then
                        local progress = (getTickCount() - animTime) / 2500
                        position = math.floor(interpolateBetween(0, 0, 0, 200, 0, 0, progress, "SineCurve"))
                        if(progress > 1) then
                            anim_type = "foward"
                            animTime = getTickCount()
                        end
                    end
                    
                    dxDrawMaterialLine3D(x, y, z+1+1+(position/1000), x, y, z+1+(position/1000), arrow, 1, tocolor(r, g, b, 200))
                
                    dxDrawMaterialLine3D(x+size, y+size, z+0.04, x-size, y-size, z+0.04, light, size*3, tocolor(r, g, b, 255), x)