-record(context, {
    draw :: fun((fluo@render:renderer(), fluo@mesh:mesh(), any()) -> nil),
    delta :: float(),
    keys_down :: list(fluo@window:key()),
    mouse_pos :: fluo@window:position(),
    mouse_delta :: fluo@window:position(),
    width :: integer(),
    height :: integer(),
    color :: fluo@image:color_image(),
    depth :: fluo@image:depth_image(),
    title :: binary()
}).