lyra-engine/examples/testbed/scripts/test.lua

function on_init()
    local cube = world:request_res("assets/cube-texture-embedded.gltf")
    print("Loaded textured cube")

    local pos = Transform.from_translation(Vec3.new(0, 0, -8.0))

    local e = world:spawn(pos, cube)
    print("spawned entity " .. tostring(e))
end

--[[ function on_first()
    print("Lua's first function was called")
end

function on_pre_update()
    print("Lua's pre-update function was called")
end ]]

function on_update()
    ---@type number
    local dt = world:resource(DeltaTime)

    world:view(function (t)
        t:translate(0, 0.5 * dt, 0)

        return t
    end, Transform)
end

--[[ function on_post_update()
    print("Lua's post-update function was called")
end

function on_last()
    print("Lua's last function was called")
end ]]