LumixEngine

ImGui in packaged game

By default, ImGui is not enabled in packaged game. To enable ImGui integration, you have to do following:

1. Uncomment #define LUMIX_APP_IMGUI_INTEGRATION in imgui_integration.h.
2. Build the solution including app project.

3. In your scene, add following script to an entity:

    local show_imgui = false
    function onInputEvent(event : InputEvent)
        if event.type == "button" then
            if event.device.type == "keyboard" then
                if event.key_id == LumixAPI.INPUT_KEYCODE_F11 and event.down then
                    show_imgui = not show_imgui
                end
            end
        end
    end
   
    function update(time_delta)
        this.world:getModule("gui"):getSystem():enableCursor(show_imgui)
        if show_imgui then
            ImGui.Begin("foo")
            ImGui.Text("Hello World!")
            ImGui.End()
        end
    end
   

4. Package your game.
5. Run the packaged game.
6. Press F11 to show ImGui in your packaged game.

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