event_t

Event usertype. An instance of this type can be found in events.

add

Method

Adds a callback to the event.

Arguments

Name	Type	Description
fn	function	Callback function. Arguments that are accepted by the function are dictated by the event instance.

Returns

Nothing.

Example

events.present_queue:add(function ()
    -- will be called every time game queues a frame for rendering
end);

---

remove

Method

Removes a callback from the event.

Arguments

Name	Type	Description
fn	function	Callback function, that was earlier passed to the add() function.

Returns

Nothing.

Example

local function on_present()
    if some_condition then
        events.present_queue:remove(on_present)
    end
end

events.present_queue:add(on_present)