locationA ~ locationBのエリアにplayerが入っていることを検知

every 5 tick:
    set {_blocks::*} to blocks within location of (-1000.5,4.5,3.5) in world "w-lobby" and location of (-1000.5,11.5,-2.5) in world "w-lobby"
    loop {_blocks::*}:
        show end rod with speed 0.1 at location at loop-value
    loop all players:
        set {_block} to block at location at loop-player's head
        {_blocks::*} contains {_block} 
        #execute console command "/mvspawn %loop-player%"

every 5 tick:
    set {_blocks::*} to blocks within location of (-1000.5,4.5,3.5) in world "w-lobby" and location of (-1000.5,11.5,-2.5) in world "w-lobby"
    loop {_blocks::*}:
        show end rod with speed 0.1 at location at loop-value
    loop all players:
        set {_block} to block at location at loop-player's head
        {_blocks::*} contains {_block} 
        #execute console command "/mvspawn %loop-player%"

every 5 tick:
    set {_locA} to location(-1000.5,4.5,3.5)
    set {_locB} to location(-1000.5,11.5,-2.5)
    set {_blocks::*} to blocks within {_locA} and {_locB}
    loop {_blocks::*}:
        show end rod with speed 0.1 at location at loop-value
    loop all players:
        set {_block} to block at location at loop-player's head

every 5 tick:
    set {_locA} to location(-1000.5,4.5,3.5)
    set {_locB} to location(-1000.5,11.5,-2.5)
    set {_blocks::*} to blocks within {_locA} and {_locB}
    loop {_blocks::*}:
        show end rod with speed 0.1 at location at loop-value
    loop all players:
        set {_block} to block at location at loop-player's head