That is, after the enemy is found, the mouse line of sight is moved instantly through a feeling similar to "mental arithmetic", rather than slowly moving the mouse through "constant adjustment and correction". To the onlookers, this kind of play looks as fast as the blink of an eye, and the eyes can't keep up with the movement track of the mouse. It looks like the visual effect of throwing it over, which is one of the reasons why it is called "throwing".
Instantaneous mirror
Because the accuracy of opening the sight when the sniper rifle fires is high, but the opening time is slow, in order to win in the first time, players often click the right mouse button (opening the mirror) and the left mouse button (shooting) at the same time in the shortest time, and the crosshair of the sight will instantly appear on the screen, so it is called instant opening, that is, instant opening the mirror. This shooting method requires the player to have a sense of the center of the computer screen, that is, to have a good sense of the center of the screen, so that the sniper rifle can maintain a general orientation. It is also relatively difficult, suitable for taking a sniper charge after practice, and it is highly ornamental.