How far should I place torches in a planar huge room?

minecraft-java-edition

Solution 1:

If you want to optimize your torch consumption, I think the best pattern would be this :

Torches

Oranges dots are torches
Yellow dots are sufficient-lit blocks
Gray dots are insufficient-lit blocks, where mobs can spawn

Solution 2:

Torches create light of 14 in the block they are in, all neighboring blocks will have light of 13 and so on.

Enemy mobs spawn at light level 7 or less

Placing one in each corner and two in the center covers all the places.

XX XX XX XX XX 08 XX XX XX XX XX XX XX XX XX XX 08 XX XX XX XX XX 
XX XX XX XX 08 09 08 XX XX XX XX XX XX XX XX 08 09 08 XX XX XX XX
XX XX XX 08 09 10 09 08 XX XX XX XX XX XX 08 09 10 09 08 XX XX XX
XX XX 08 09 10 11 10 09 08 XX XX XX XX 08 09 10 11 10 09 08 XX XX
XX 08 09 10 11 12 11 10 09 08 XX XX 08 09 10 11 12 11 10 09 08 XX
08 09 10 11 12[13]12 11 10 09 08 08 09 10 11 12[13]12 11 10 09 08
XX 08 09 10 11 12 11 10 09 08 08 09 08 09 10 11 12 11 10 09 08 XX
XX XX 08 09 10 11 10 09 08 08 09 10 09 08 09 10 11 10 09 08 XX XX
XX XX XX 08 09 10 09 08 08 09 10 11 10 09 08 09 10 09 08 XX XX XX
XX XX XX XX 08 09 08 08 09 10 11 12 11 10 09 08 09 08 XX XX XX XX
XX XX XX XX XX 08 08 09 10 11 12[13]12 11 10 09 08 XX XX XX XX XX
XX XX XX XX XX 08 09 10 11 12[13]12 11 10 09 08 08 XX XX XX XX XX
XX XX XX XX 08 09 08 09 10 11 12 11 10 09 08 08 09 08 XX XX XX XX
XX XX XX 08 09 10 09 08 09 10 11 10 09 08 08 09 10 09 08 XX XX XX
XX XX 08 09 10 11 10 09 08 09 10 09 08 08 09 10 11 10 09 08 XX XX
XX 08 09 10 11 12 11 10 09 08 09 08 08 09 10 11 12 11 10 09 08 XX
08 09 10 11 12[13]12 11 10 09 08 08 09 10 11 12[13]12 11 10 09 08
XX 08 09 10 11 12 11 10 09 08 XX XX 08 09 10 11 12 11 10 09 08 XX
XX XX 08 09 10 11 10 09 08 XX XX XX XX 08 09 10 11 10 09 08 XX XX
XX XX XX 08 09 10 09 08 XX XX XX XX XX XX 08 09 10 09 08 XX XX XX
XX XX XX XX 08 09 08 XX XX XX XX XX XX XX XX 08 09 08 XX XX XX XX
XX XX XX XX XX 08 XX XX XX XX XX XX XX XX XX XX 08 XX XX XX XX XX

[13] = Torch
XX = Spawning available
Numbers show the lowest light level in that area

This can only work in a three high or shorter room with all torches on the middle row

How far should I place torches in a planar huge room?

Solution 1:

Solution 2:

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