Snowball wand script

variables:
    itemname = "&6&lBite Wand" #The name of the item the player has to be holding (INCLUDING COLOR CODES).
    damage = 3.5 #The damage you want it to deal to the player.

command /givewand: #---To give me the wand for testing. Delete this command if you don't want it!---#
    trigger:
        give a blaze rod with name "%{itemname}%" to player

on right click: #---To shoot snowball for testing. Delete this command if you don't want it!---#
    player is holding a blaze rod named "%{itemname}%":
        shoot a snowball from the player at speed 1.5

on damage:
    if attacker is a player:
        attacker is holding a blaze rod named "%{itemname}%":
            if victim is a player:
            #if true is true:
                damage the victim by {damage}
                set {_vy} to victim's y-coordinate
                set {_ay} to attacker's y-coordinate
                set {_ydif1} to {_ay} - {_vy}
                set {_ydif2} to {_vy} - {_ay}
                if {ay} is bigger than {vy}:
                    set {_value} to the location {_ydif1} meters below the attacker
                    push victim (direction from {_value} to victim) at speed 0.5
                    push victim upwards at speed 0.5
                else:
                    set {_value} to the location {_ydif2} meters above the attacker
                    push victim (direction from {_value} to victim) at speed 0.5
                    push victim upwards at velocity 0.5

#----IMPORTANT----#

#if the wand is not a blaze rod then change all the 'blaze rod' to the item that your wand is.
#Change the variables to your needs!