The player is technically inside of the block they are standing on, however, upon teleportation to that exact same spot, the player falls through the first block. Consider sending the player through with a very very small height bump for horizontal portals.
The player is technically inside of the block they are standing on, however, upon teleportation to that exact same spot, the player falls through the first block. Consider sending the player through with a very very small height bump for horizontal portals.