minetest.register_node("womd:radioactive_air", { tiles = {"radioactive_air.png"}, drawtype = "glasslike", paramtype = "none", walkable = false, pointable = false, diggable = false, air_equivalent = true, drop = "", damage_per_second = 1, groups = {not_in_creative_inventory=1}, }) minetest.register_abm({ nodenames = {"womd:radioactive_air"}, neighbors = {"default:air"}, interval = 10.0, chance = 10, action = function(pos, node, active_object_count, active_object_count_wider) minetest.set_node(pos, {name = "default:air"}) end, }) minetest.register_abm({ nodenames = {"default:air"}, neighbors = {"womd:radioactive_air"}, interval = 15.0, chance = 10, action = function(pos, node, active_object_count, active_object_count_wider) minetest.set_node(pos, {name = "womd:radioactive_air"}) end, })