Created
February 10, 2009 23:57
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package | |
{ | |
import flash.display.* | |
import flash.events.* | |
public class Botao extends SimpleButton | |
{ | |
var estado = "up" | |
function Botao() | |
{ | |
iniciar_parado() | |
sincronizar_up_over() | |
} | |
/** | |
* faz a animação up, começar parada no final | |
*/ | |
function iniciar_parado() | |
{ | |
var state = upState | |
state.gotoAndStop(state.totalFrames) | |
state = overState | |
state.gotoAndStop(1) | |
} | |
function sincronizar_up_over() | |
{ | |
addEventListener(Event.ENTER_FRAME, observar_estado) | |
} | |
function observar_estado(e) | |
{ | |
//trace((overState as MovieClip).currentFrame) | |
//trace(overState.stage) | |
var novo_estado = overState.stage == null ? "up" : "over" | |
if (novo_estado != estado) | |
{ | |
estado = novo_estado | |
sincronizar() | |
} | |
/* versão com if | |
if (overState.stage == null) | |
novo_estado = "up" | |
else | |
novo_estado = "down" | |
*/ | |
} | |
function sincronizar() | |
{ | |
var over = overState | |
var over_posicao = over.currentFrame / over.totalFrames | |
var up = upState | |
var up_posicao = up.currentFrame / up.totalFrames | |
var frame | |
if (estado == "up") | |
{ | |
frame = Math.ceil((1-over_posicao)*up.totalFrames) | |
if (frame == 0) frame = 1 | |
up.gotoAndPlay(frame) | |
} | |
else // over | |
{ | |
frame = Math.ceil((1-up_posicao)*over.totalFrames) | |
if (frame == 0) frame = 1 | |
over.gotoAndPlay(frame) | |
} | |
trace(frame) | |
} | |
} | |
} |
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