spectre.lua

local NUM_BULLETS = 10
return {
    startState = 'wandering',
    states = {
        wandering = function()
            while true do
                walk(chooseRandomDirection())
                wait(1)
            end
        end,

        noticePlayer = function(player)
            disableTrigger('onPlayerSeen')
            stop()
            lookAt(player)
            pulse {time=.3}
            wait(.15)
            ai:gotoState('firing', vecTo(player))
        end,

        firing = function(dir)
            for x=0, NUM_BULLETS - 1 do
                local phi = x / NUM_BULLETS * (math.pi/2) - (math.pi/4)
                local v = vector.new(dir.x, dir.y):rotate_inplace(phi)
                entity:trigger('fireBullet', v)
                wait(.05)
            end
            after(2, function() enableTrigger('onPlayerSeen') end)
            ai:gotoState('wandering')
        end
    },
    triggers = {
        onPlayerSeen = {
            sightDistance = 50,
            func = function(ai, player)
                ai:gotoState('noticePlayer', player)
            end
        }
    }
}