Help: Topdown Game - Can you make it that the screen touch ignores certain objects?

Hi all

I have a Topdown map where the roofs on the buildings will disappear when the character enters the building. The issue I have is, I am not sure how to get "Touch / Mouse Click) to ignore the roof of the building so the character enters.

I thought of having a trigger point out the front, and when the character walks over the trigger, I force the character to walk into the building triggering the roof to disappear.

I am just not sure which would be more efficient.

Regards
.

short answer is: remove collision from roof.

Touch / Click events happen on the visibility channel by default, so anything that ignores it, ignores touch / clicks.