Fade in and Fade out with attached sound problem

[drog1998]

Hi all,

I've trawled through the forum and there seems to be no definitive answer the problem. I've tried looking for hp3's FAQ as well.

i'm trying to fade out a bit of music that has been attached using action script (attach.sound is the method I think).

Does anybody have code that works that i can stick on my timeline that will fade out (and back in) the attached sound?

Thanks for any help.

D

[drog1998]

anybody?

[dawsonk]

var my_sound:Sound = new Sound();
my_sound.attachSound("visions");
var fadeInPoint = (my_sound.duration*0.2);
var fadeOutPoint = my_sound.duration-(my_sound.duration*0.2);
my_sound.setVolume(0);
my_sound.start();


this.onEnterFrame = function() {
	if (my_sound.position<fadeInPoint) {
		my_sound.setVolume(my_sound.position/fadeInPoint*100);
	} else if (my_sound.position>fadeOutPoint) {
		my_sound.setVolume(((my_sound.duration-my_sound.position)/(my_sound.duration-fadeOutPoint))*100);
	}
	if (my_sound.position>=my_sound.duration) {
		delete this.onEnterFrame;
	}
};

[drog1998]

Sorry to be stupid but could you just break down the code for me.

i'm assuming this is to attach the sound? Do I just replace "visions" with my linkage name?

var my_sound:Sound = new Sound();
my_sound.attachSound("visions");
var fadeInPoint = (my_sound.duration*0.2);
var fadeOutPoint = my_sound.duration-(my_sound.duration*0.2);
my_sound.setVolume(0);
my_sound.start();

And is this to just fade in? what do i need to change on this?

this.onEnterFrame = function() {
if (my_sound.position<fadeInPoint) {
my_sound.setVolume(my_sound.position/fadeInPoint*100);
} else if (my_sound.position>fadeOutPoint) {
my_sound.setVolume(((my_sound.duration-my_sound.position)/(my_sound.duration-fadeOutPoint))*100);
}
if (my_sound.position>=my_sound.duration) {
delete this.onEnterFrame;
}
};

[dawsonk]

Do I just replace "visions" with my linkage name?

Yes.

And is this to just fade in?

No, this handles the fade in and fade out.

what do i need to change on this?

// volume will go from 0 to 100 during the first 20 percent of the sound length
// 'fadeInPoint' determines this position, change '0.2' to change the percentage
var fadeInPoint = (my_sound.duration*0.2);
// volume will go from 100 to 0 during the last 20 percent of the sound length
// 'fadeOutPoint' determines this position, change '0.2' to change the percentage
var fadeOutPoint = my_sound.duration-(my_sound.duration*0.2);

HTH

[drog1998]

Thanks Dawsonk, i'm half way there.

Can you tell me how to fade it out when it reaches a certain keyframe?

I think it currently fades at a particular percentage of the tune rather than at a key frame.

many thanks.

[dawsonk]

// place this on the keyframe where fade out is to start
isFadeOutPoint = true;

// main time line first frame
var my_sound:Sound = new Sound();
my_sound.attachSound("visions");
var fadeInPoint = (my_sound.duration*0.2);
var isFadeOutPoint = false;
my_sound.setVolume(0);
my_sound.start();


this.onEnterFrame = function() {
	if (my_sound.position<fadeInPoint) {
		my_sound.setVolume(my_sound.position/fadeInPoint*100);
	} else if (isFadeOutPoint) {
		if (fadeOutPoint == undefined) {
			fadeOutPoint = _currentframe;
		}
		my_sound.setVolume(((my_sound.duration-my_sound.position)/(my_sound.duration-fadeOutPoint))*100);
	}
	if (my_sound.position>=my_sound.duration) {
		delete this.onEnterFrame;
	}
};