-- Chain of waypoints for NPC 0.
-- Each on_arrived callback issues the next walk command.

local function step3()
    game_api.npc_walk_to(0, 0.0, 0.0, -30.0, step1)
end

local function step2()
    game_api.npc_walk_to(0, -2.0, 0.0, -2.0, step3)
end

function step1()
    game_api.npc_walk_to(0, 2.0, 0.0, -2.0, step2)
end

step1()