Czy ktoś wie jak zrobić railgun???

Kto mi powie jak zrobić do tego strzelanie laserem z beacon block'a:???

on right click using 419:
    if player has 1 370:
        if {rail::pal} is true:
            execute command "/playsound tile.piston.out %name of player% ~0 ~0 ~0 10 0.01"
            shoot a egg from player with speed 1000
            spawn particle                                                <---------------------------------------------------------------------Tu wlep particle na 1 sekunde
            damage targeted entity by 40 hearts
            remove 1 370 from player
            set {rail::pal} to false
            set name of the player's tool to "&6[ &b%number of 370 in the player's inventory% &6]"
            wait 2 seconds
            set {rail::pal} to true
        else:
            send "&6Quake &f> &1&lPrzeladowanie!"
    else:
        send "&6Quake &f> &4&lNie masz amunicji!"

jak to ma wyglądać??? :