Lua eagle code

function randomEagle ()
    eagle2 = display.newSprite( )
    eagle2.x, eagle2.y = 800, vyska
    eagle2:play()
    physics.addBody(eagle2, )

    function move (self, event)
        self.x = self.x - (self.speed*rychlost)
    end

    sceneGroup:insert(eagle2)
    eagle2.enterFrame = move
    Runtime:addEventListener( "enterFrame", eagle2)
end

a = timer.performWithDelay( delay, randomEagle, 0)