NAME

SYNOPSIS

NOTES

1

an invalid maskval is considered a terminal state transition.

EXAMPLE

function image_mask_toggle0()
      a = fill_surface(32, 32, 255, 0, 0);
      for i=1,4 do
            if (image_hit(a, 0, 0)) then
                  print("pickable");
            else
                  print("unpickable");
            end
            image_mask_toggle(a, MASK_UNPICKABLE);
      end
end

MISUSE

function image_mask_toggle0()
      image_mask_set(WORLDID, math.random(1000));
end

SEE ALSO: