RE: [Flashcoders] 50 stars blinking... app gets too slow
Well even if you did not have access to it you could just calc the color intensity yourself and use a color transform or if you were lazy just create a tween (converted to keyframes) going from white to black and set an overlay color. ~neo -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Count Schemula Sent: 04 July 2006 09:22 PM To: Flashcoders mailing list Subject: Re: [Flashcoders] 50 stars blinking... app gets too slow Also, FWIW, I think I've heard that brightness is a lot less processor intensive than alpha. Assuming that we have access to the brightness property. On 7/4/06, Marcelo de Moraes Serpa [EMAIL PROTECTED] wrote: Very good example Bernard. Thank you :) Marcelo. On 7/3/06, Weyert de Boer [EMAIL PROTECTED] wrote: Works well if you ask me. ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
Re: [Flashcoders] 50 stars blinking... app gets too slow
Very good example Bernard. Thank you :) Marcelo. On 7/3/06, Weyert de Boer [EMAIL PROTECTED] wrote: Works well if you ask me. ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
Re: [Flashcoders] 50 stars blinking... app gets too slow
Also, FWIW, I think I've heard that brightness is a lot less processor intensive than alpha. Assuming that we have access to the brightness property. On 7/4/06, Marcelo de Moraes Serpa [EMAIL PROTECTED] wrote: Very good example Bernard. Thank you :) Marcelo. On 7/3/06, Weyert de Boer [EMAIL PROTECTED] wrote: Works well if you ask me. ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
Re: [Flashcoders] 50 stars blinking... app gets too slow
It´s random. While some are fading in, others are fading out and so on. I used Fuse to iterate through the stars created and attach the onEnterFrame event on each of them. How I would animate each of them at different times using only one onEnterFrame event? Maybe the best solution would be to build this animation on the stars timeline in Flash IDE... Thanks, Marcelo. On 7/3/06, Michael Bedar [EMAIL PROTECTED] wrote: 50 onEnterFrames running at the same time could definitely be the problem. Maybe you could consider making one onEnterFrame script that controls all of your star animations.. do they all animate ALL the time, or are only some on at any given time? If nothing else, make sure that movieclips that are not actively doing something are not wasting cycles. On Jul 3, 2006, at 1:38 PM, Marcelo de Moraes Serpa wrote: I´ve created 50 star movieclips with random sizes, rotation and scale. Till there, everything went fine, the sky´s got good looking, but the stars needed some life, so I thought in adding a fade-in / fade-out tween to each of them - and here comes the problem - I´ve attached a onEnterFrame event to each of them and have written a simple code that does the blinking. It works, but the app gets too slow. I don´t know if it´s becouse of the rendering engine that doesn´t manage to render 50 stars blinking or if it´s becouse of the 50 onEnterFrame events with code to do the fade-in/ fade-out. Any ideas? Thanks in advance. ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
Re: [Flashcoders] 50 stars blinking... app gets too slow
It seems much more likely to me that it's alpha related. Remove the alpha-related code and see if it still occurs. Scott On 03/07/06, Marcelo de Moraes Serpa [EMAIL PROTECTED] wrote: It´s random. While some are fading in, others are fading out and so on. I used Fuse to iterate through the stars created and attach the onEnterFrame event on each of them. How I would animate each of them at different times using only one onEnterFrame event? Maybe the best solution would be to build this animation on the stars timeline in Flash IDE... Thanks, Marcelo. On 7/3/06, Michael Bedar [EMAIL PROTECTED] wrote: 50 onEnterFrames running at the same time could definitely be the problem. Maybe you could consider making one onEnterFrame script that controls all of your star animations.. do they all animate ALL the time, or are only some on at any given time? If nothing else, make sure that movieclips that are not actively doing something are not wasting cycles. On Jul 3, 2006, at 1:38 PM, Marcelo de Moraes Serpa wrote: I´ve created 50 star movieclips with random sizes, rotation and scale. Till there, everything went fine, the sky´s got good looking, but the stars needed some life, so I thought in adding a fade-in / fade-out tween to each of them - and here comes the problem - I´ve attached a onEnterFrame event to each of them and have written a simple code that does the blinking. It works, but the app gets too slow. I don´t know if it´s becouse of the rendering engine that doesn´t manage to render 50 stars blinking or if it´s becouse of the 50 onEnterFrame events with code to do the fade-in/ fade-out. Any ideas? Thanks in advance. ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
Re: [Flashcoders] 50 stars blinking... app gets too slow
Marcelo de Moraes Serpa wrote:
It´s random. While some are fading in, others are fading out and so on. I
used Fuse to iterate through the stars created and attach the
onEnterFrame
event on each of them.
Well, you could define variable in each star instance and give up a
fadeSpeed whereby it's -5 or +5. This way the one will decresed or
increased by two. Example:
test.alphaSpeed = +5;
test._alpha = 0;
test2.alphaSpeed = -5;
test2._alpha = 100;
this.onEnterFrame = function() {
test._alpha = test._alpha + test.alphaSpeed;
test2._alpha = test2._alpha + test2.alphaSpeed;
}
Yours,
Weyert de Boer
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Re: [Flashcoders] 50 stars blinking... app gets too slow
I´ve created 50 star movieclips with random sizes, rotation and scale. Till there, everything went fine, the sky´s got good looking, but the stars needed some life, so I thought in adding a fade-in / fade-out tween to each of them - and here comes the problem - I´ve attached a onEnterFrame event to each of them and have written a simple code that does the blinking.. It works, but the app gets too slow. I don´t know if it´s becouse of the rendering engine that doesn´t manage to render 50 stars blinking or if it´s becouse of the 50 onEnterFrame events with code to do the fade-in/fade-out. Any ideas? Bottom of the page... http://www.horsefish.net/elementalfx/what.html ryanm ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
Re: [Flashcoders] 50 stars blinking... app gets too slow
Thank you all for the replies! :) @ryanm: I will take a look at this article tonight, seems very interesting. @Weyert: I didn´t really understand your technique Weyert. Could you please make it more clear!? How would I iterate through 50+ stars movieclips and apply it? Cheers, Marcelo. On 7/3/06, ryanm [EMAIL PROTECTED] wrote: I´ve created 50 star movieclips with random sizes, rotation and scale. Till there, everything went fine, the sky´s got good looking, but the stars needed some life, so I thought in adding a fade-in / fade-out tween to each of them - and here comes the problem - I´ve attached a onEnterFrame event to each of them and have written a simple code that does the blinking.. It works, but the app gets too slow. I don´t know if it´s becouse of the rendering engine that doesn´t manage to render 50 stars blinking or if it´s becouse of the 50 onEnterFrame events with code to do the fade-in/fade-out. Any ideas? Bottom of the page... http://www.horsefish.net/elementalfx/what.html ryanm ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
Re: [Flashcoders] 50 stars blinking... app gets too slow
Well, what you do is you add +5 or -5 to the current _alpha value.
Meaning you will increase or decrease the current alpha value by 5. It's
like writing instance._alpha = instance._alpha - 5 (or + 5). Of course,
you can use some sort of loop to update all movieclips/stars i.e:
var starsCount = 50;
var i =0;
while ( i starsCount ) {
var currentStar = _root[ star + i ]._alpha ;
currentStar._alpha = currenStar._alpha + currentStar.alphaSpeed;
i++;
}
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Re: [Flashcoders] 50 stars blinking... app gets too slow
Ok Weyert...:) now I think I´ve got the point - each star would have a
different speed, so, they would blink at different time rates, right? And
with only one loop to achieve this, I would prevent myself of attaching an
onEnterFrame to each of the stars...
Marcelo.
On 7/3/06, Weyert de Boer [EMAIL PROTECTED] wrote:
Well, what you do is you add +5 or -5 to the current _alpha value.
Meaning you will increase or decrease the current alpha value by 5. It's
like writing instance._alpha = instance._alpha - 5 (or + 5). Of course,
you can use some sort of loop to update all movieclips/stars i.e:
var starsCount = 50;
var i =0;
while ( i starsCount ) {
var currentStar = _root[ star + i ]._alpha ;
currentStar._alpha = currenStar._alpha + currentStar.alphaSpeed;
i++;
}
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Re: [Flashcoders] 50 stars blinking... app gets too slow
Hmmm... looking better at this loop, I don´t think it would do the smooth
fade-in/fade-out I would like to achieve. I guess the best solution still is
animating this fade-in/fade-out using the flash IDE and then do a play() in
the script. I would have only to add a line of script in the last keyframe
of the star animation to make it loop.
On 7/3/06, Marcelo de Moraes Serpa [EMAIL PROTECTED] wrote:
Ok Weyert...:) now I think I´ve got the point - each star would have a
different speed, so, they would blink at different time rates, right? And
with only one loop to achieve this, I would prevent myself of attaching an
onEnterFrame to each of the stars...
Marcelo.
On 7/3/06, Weyert de Boer [EMAIL PROTECTED] wrote:
Well, what you do is you add +5 or -5 to the current _alpha value.
Meaning you will increase or decrease the current alpha value by 5. It's
like writing instance._alpha = instance._alpha - 5 (or + 5). Of course,
you can use some sort of loop to update all movieclips/stars i.e:
var starsCount = 50;
var i =0;
while ( i starsCount ) {
var currentStar = _root[ star + i ]._alpha ;
currentStar._alpha = currenStar._alpha + currentStar.alphaSpeed;
i++;
}
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Re: [Flashcoders] 50 stars blinking... app gets too slow
Well, the negative will make your movieclip fadeout, and a positive one will fadein. But yes. . ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
Re: [Flashcoders] 50 stars blinking... app gets too slow
A method I've often used to get around this kind of processor hogging is to
set it up that only, say, 10 stars are animating at any one time (i.e. only
10 have onEnterFrame handlers set or even better, following Weyert's
suggestion, update only 10 at a time using a single onEnterFrame handler).
As with Weyert's suggestion, the speeds that each star animates is random
and, as each star finishes it's cycle, you randomly select another star to
animate through one 'twinkle' cycle. I find this approach gives a really
natural feel to the effect as well.
I'd also echo Scott's observation that it could well be the _alpha blending.
Flash gets tired really quickly when you give it alpha calculations and, the
bigger the area of the screen it is making alpha calculations on, the
quicker it gets tired!
Adrian P
On 7/3/06, Marcelo de Moraes Serpa [EMAIL PROTECTED] wrote:
Ok Weyert...:) now I think I´ve got the point - each star would have a
different speed, so, they would blink at different time rates, right? And
with only one loop to achieve this, I would prevent myself of attaching an
onEnterFrame to each of the stars...
Marcelo.
On 7/3/06, Weyert de Boer [EMAIL PROTECTED] wrote:
Well, what you do is you add +5 or -5 to the current _alpha value.
Meaning you will increase or decrease the current alpha value by 5. It's
like writing instance._alpha = instance._alpha - 5 (or + 5). Of course,
you can use some sort of loop to update all movieclips/stars i.e:
var starsCount = 50;
var i =0;
while ( i starsCount ) {
var currentStar = _root[ star + i ]._alpha ;
currentStar._alpha = currenStar._alpha + currentStar.alphaSpeed;
i++;
}
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Re: [Flashcoders] 50 stars blinking... app gets too slow
Hi Adrian! Thanks a lot for sharing your valuable experiences ;)
Marcelo.
On 7/3/06, Adrian Park [EMAIL PROTECTED] wrote:
A method I've often used to get around this kind of processor hogging is
to
set it up that only, say, 10 stars are animating at any one time (i.e.
only
10 have onEnterFrame handlers set or even better, following Weyert's
suggestion, update only 10 at a time using a single onEnterFrame handler).
As with Weyert's suggestion, the speeds that each star animates is random
and, as each star finishes it's cycle, you randomly select another star to
animate through one 'twinkle' cycle. I find this approach gives a really
natural feel to the effect as well.
I'd also echo Scott's observation that it could well be the _alpha
blending.
Flash gets tired really quickly when you give it alpha calculations and,
the
bigger the area of the screen it is making alpha calculations on, the
quicker it gets tired!
Adrian P
On 7/3/06, Marcelo de Moraes Serpa [EMAIL PROTECTED] wrote:
Ok Weyert...:) now I think I´ve got the point - each star would have a
different speed, so, they would blink at different time rates, right?
And
with only one loop to achieve this, I would prevent myself of attaching
an
onEnterFrame to each of the stars...
Marcelo.
On 7/3/06, Weyert de Boer [EMAIL PROTECTED] wrote:
Well, what you do is you add +5 or -5 to the current _alpha value.
Meaning you will increase or decrease the current alpha value by 5.
It's
like writing instance._alpha = instance._alpha - 5 (or + 5). Of
course,
you can use some sort of loop to update all movieclips/stars i.e:
var starsCount = 50;
var i =0;
while ( i starsCount ) {
var currentStar = _root[ star + i ]._alpha ;
currentStar._alpha = currenStar._alpha + currentStar.alphaSpeed;
i++;
}
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RE: [Flashcoders] 50 stars blinking... app gets too slow
Following Weyerts suggestion to update all stars in 1 onEnterFrame.. Here is
a little demo (150 stars): http://www.debit.nl/flashcoders/stars.html
This is the code, just place it in the first frame and make a MovieClip and
export it for AS with the name star
var starCount:Number = 150;
var stars:Array = new Array();
var alphaSpeed:Number = 5;
for(var a:Number = 0 ; astarCount ; a++){
var tmpStar:MovieClip =
this.attachMovie(star,star+a,this.getNextHighestDepth());
tmpStar._x = Math.random() * Stage.width;
tmpStar._y = Math.random() * Stage.height;
tmpStar.alphaSpeed = (Math.random()0.5?1:-1) * ((Math.random() *
alphaSpeed) + 1);
stars.push(tmpStar);
}
onEnterFrame = function(){
var i:Number = 0;
while(istarCount){
stars[i]._alpha += stars[i].alphaSpeed;
if(stars[i]._alpha = 0){
stars[i]._alpha = 0;
stars[i].alphaSpeed *= -1;
}
if(stars[i]._alpha = 100){
stars[i]._alpha = 100;
stars[i].alphaSpeed *= -1;
}
i++;
}
}
Greetz,
Bernard
-Oorspronkelijk bericht-
Van: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Namens
Marcelo de Moraes Serpa
Verzonden: maandag 3 juli 2006 21:11
Aan: Flashcoders mailing list
Onderwerp: Re: [Flashcoders] 50 stars blinking... app gets too slow
Hmmm... looking better at this loop, I don´t think it would
do the smooth fade-in/fade-out I would like to achieve. I
guess the best solution still is animating this
fade-in/fade-out using the flash IDE and then do a play() in
the script. I would have only to add a line of script in the
last keyframe of the star animation to make it loop.
On 7/3/06, Marcelo de Moraes Serpa [EMAIL PROTECTED] wrote:
Ok Weyert...:) now I think I´ve got the point - each star
would have a
different speed, so, they would blink at different time
rates, right?
And with only one loop to achieve this, I would prevent myself of
attaching an onEnterFrame to each of the stars...
Marcelo.
On 7/3/06, Weyert de Boer [EMAIL PROTECTED] wrote:
Well, what you do is you add +5 or -5 to the current _alpha value.
Meaning you will increase or decrease the current alpha
value by 5.
It's like writing instance._alpha = instance._alpha - 5
(or + 5). Of
course, you can use some sort of loop to update all
movieclips/stars i.e:
var starsCount = 50;
var i =0;
while ( i starsCount ) {
var currentStar = _root[ star + i ]._alpha ;
currentStar._alpha = currenStar._alpha + currentStar.alphaSpeed;
i++;
}
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Re: [Flashcoders] 50 stars blinking... app gets too slow
Works well if you ask me. ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
