for i in range(TOTAL):
row = i / COLS
col = i % COLS
actor = Group(
255 * (1.0 * col / COLS),
50,
255 * (1.0 * row / ROWS),
255
)
actor.set_position(320, 240)
actor.set_reactive(True)
effect = Clutter.DesaturateEffect()
effect.set_factor(0.0)
actor.add_effect_with_name("fade", effect)
# "ACTIVE" state.
layout_state.set_key(None, "active", actor, "x", Clutter.AnimationMode.LINEAR,
ACTOR_WIDTH * int((TOTAL - 1 - i) % COLS),
((row * 1.0 / ROWS)) / 2,
(1.0 - (row * 1.0 / ROWS)) / 2
)
layout_state.set_key(None, "active", actor, "y", Clutter.AnimationMode.LINEAR,
ACTOR_HEIGHT * int((TOTAL - 1 - i) / COLS),
((row * 1.0 / ROWS)) / 2,
def apply_desaturate_effect(actor):
actor.clear_effects()
effect = Clutter.DesaturateEffect()
effect.set_factor(.5)
actor.add_effect(effect)