execute if block ~ ~ ~ minecraft:lapis_block unless entity @e[tag=glower,distance=..0.9] run function q:glowspread
execute if block ~ ~ ~ minecraft:redstone_block unless entity @e[tag=glower,distance=..0.9] run function q:glowspread
execute if block ~ ~ ~ minecraft:purpur_block unless entity @e[tag=glower,distance=..0.9] run function q:glowspread