command /setmid:
    trigger:
        set {Mid} to player's location
command /mid:
    trigger:
        set {MidPos.%player%} to distance between player and {Mid}
        set {MidPos.%player%} to round({MidPos.%player%})
on walking on diamond block:
        set {MidPos.%player%} to distance between player and {Mid}
        set {MidPos.%player%} to round({MidPos.%player%})
            broadcast "&6&l %player%が%{MidPos.%player%}%mを通過しました"