kill @e[type=item_display,tag=aj.portal.root]
execute unless entity @e[type=item_display,tag=aj.portal.root] positioned 0 0 0 rotated 90 ~ run function animated_java:portal/summon {args:{}}
execute as @e[type=item_display,tag=aj.portal.root] run function animated_java:portal/animations/start/resume