Hello,
That's the first time ever I write code in javascript.
I've put a large background picture, much larger than the window, and
set "background-repeat: repeat" to show it in a 'mosaic' fashion.
I intend to animate the background by shifting it's position every few
seconds. As the image is much larger than the window, it will
(hopefully) look like a different background image.
I try to make the shift take place in two steps, the first one fast
enough to be noticed and then a second last one. Later on I'm going to
add a sound, I'm attempting to make it look like a microfilm being
moved around in a microfilm viewer.
<script language="JavaScript">
var ID1 = window.setInterval(function(){fondo()
+window.setTimeout('fondo()',90);},2500)
function fondo()
{document.body.style.backgroundPosition=(Math.rand om()*100)+'% '+
(Math.random()*100)+'%';}
</script>
I've also put this:
<body onunload="window.clearInterval(ID1); (..)
Because sometimes when exiting/comingBak to the page, the background
animation was accelerating.
There's a small animated gif on the top of the page that slows down a
lot on some browsers during the background animation, but at random
intervals. I'm not sure if it has to do with this code, but I guess
so.
I know the code is working, but I'm not sure if it's ok. What do you
think ?
In case you want to see it the url is :
<http://homepage.mac.com/jorgechamorro/a2things/>
Thanks,
--Jorge.
1  1304 
On May 1, 10:27 am, biel...@terra.es wrote:
Hello,
That's the first time ever I write code in javascript.
I've put a large background picture, much larger than the window, and
set "background-repeat: repeat" to show it in a 'mosaic' fashion.
I intend to animate the background by shifting it's position every few
seconds. As the image is much larger than the window, it will
(hopefully) look like a different background image.
I try to make the shift take place in two steps, the first one fast
enough to be noticed and then a second last one. Later on I'm going to
add a sound, I'm attempting to make it look like a microfilm being
moved around in a microfilm viewer.
<script language="JavaScript">
var ID1 = window.setInterval(function(){fondo()
+window.setTimeout('fondo()',90);},2500)
function fondo()
{document.body.style.backgroundPosition=(Math.rand om()*100)+'% '+
(Math.random()*100)+'%';}
</script>
I've also put this:
<body onunload="window.clearInterval(ID1); (..)
Because sometimes when exiting/comingBak to the page, the background
animation was accelerating.
There's a small animated gif on the top of the page that slows down a
lot on some browsers during the background animation, but at random
intervals. I'm not sure if it has to do with this code, but I guess
so.
I know the code is working, but I'm not sure if it's ok. What do you
think ?
In case you want to see it the url is :
<http://homepage.mac.com/jorgechamorro/a2things/>
Thanks,
--Jorge.
the effect is a nice idea. You might be able to acheive a smooth
transition using a div styled to have z index below the rest of the
body content, and use one of the transition effects that libraries
like scriptaculous.js provide. This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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