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The game now has a simple line of sight algorithm. Its simplicity is based on the restriction that the game world is made up of corridors a single tile wide, and does not contain larger open spaces. Line of sight is therefore always along corridors, in four directions. In addition, tiles that are directly adjacent to a visible corridor are also visible, so you can see around the corner a little bit.

Line of sight in four directions

Visible tiles are drawn in full brightness, explored but not currently visible tiles are darker, and unexplored tiles are empty. Only entities that are on a visible tile are drawn.

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