Lightning Launcher

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====== About the script ======
  * Purpose : These scripts will give you a beautiful page transition animation and an optional horizontal & vertical page loop
  * Author : [[https://plus.google.com/+LukasMorawietz|LM13]]
  * Current Version : 2.0
  * Link: https://plus.google.com/115366157037831519359/posts/EAUStJNGa5o
  * Video : https://plus.google.com/115366157037831519359/posts/9eUTw8cCCpi

====== Changelog ====== 
  * Version 1.0 (30/4/2014): initial release in wiki
  * Version 2.0 (18/5/2014): Reworked parsing structure, added vertical support, improved smoothness

====== How to use the script ======
  * Set the main script to the positionchanged event of your container
  * enable infinte scrolling if you want a page loop, disable it if you don't want to loop through pages
  * in this container: create a shortcut to the [[script_toggle_animation|Toggle Script]] and set up toggle sripts configuration
  * one click on the shortcut will enable the animation, clicking again will disable the animation. 
  * BE SURE TO DISABLE THE ANIMATION BEFORE YOU EDIT, MOVE OR ADD ITEMS!

====== Issues and hints ====== 
  * this will break any other script, which uses item or container tags, and will be broken by them    
  * with a lot of items it won't run smooth (for me 30+)
  * you can improve smoothness if you create on each page a panel and put all items in it. 
  * don't use dual position, this will do weird stuff

//please report all bugs in the g+ community//

====== Main Script ======
<code>//var d=LL.getEvent().getContainer();
var d=LL.getCurrentDesktop();
var cont= JSON.parse(d.getTag()||"null");
if(cont==null || !cont.setup || d.getPositionScale()!=1)return;
var dwidth=d.getWidth();
var dheight=d.getHeight();
var dposx=d.getPositionX();
var dposy=d.getPositionY();
var currentx=Math.floor(dposx/dwidth);
var pageposx=currentx*dwidth;
var percentx=(dposx-pageposx)/dwidth;
var currenty=Math.floor(dposy/dheight);
var pageposy=currenty*dheight;
var percenty=(dposy-pageposy)/dheight;
var items=d.getItems();
var l=items.getLength();
var maxpagex=Math.floor( (cont.maxx-dwidth)/dwidth);
var maxpagey=Math.floor( (cont.maxy-dheight)/dheight);

if(((percentx>0.005 && percentx<99.995) ||(percenty>0.005 && percenty<99.995)) && dposx>cont.minx-dwidth && dposy>cont.miny-dheight)
{
	var scrollLimit=d.getProperties() .getBoolean("noScrollLimit");
if(dposx>cont.maxx-dwidth&&scrollLimit){
d.setPosition(cont.minx-dwidth,dposy,1,false);
}
else if(dposy>cont.maxy-dheight&&scrollLimit) d.setPosition(dposx,cont.miny-dheight,1,false);
if(dposx<cont.minx&&scrollLimit)
cont.statex=true;
if(dposy<cont.miny&&scrollLimit)
cont.statey=true;
for(i=0;i<l;i++)
{
item=items.getAt(i);
var pinned=item.getProperties() .getString("i.pinMode");
var data=JSON.parse(item.getTag());
var newposx=data.posx;
var newposy=data.posy;
var newscalex=1;
var newscaley=1;
var newvis=true;
if(pinned=="NONE"|| pinned=="Y")
{
if(Math.floor(data.posx/dwidth)==currentx || (cont.statex && Math.floor(data.posx/dwidth)==maxpagex))
{
if(percentx<0.5)
{
newscalex=1-percentx*2;
newposx=dposx+((data.posx%dwidth+dwidth)%dwidth)+percentx*(dwidth- ((data.posx%dwidth+dwidth)%dwidth) *2);
}
else newvis=false;
}
if(Math.floor(data.posx/dwidth) ==currentx+1)
{
if(percentx>=0.5)
{
newscalex=percentx*2-1;
newposx=dposx+dwidth/2*(2-percentx*2)+ ((data.posx%dwidth+dwidth)%dwidth) *(percentx*2-1);
}
else newvis=false;
}
}
if(pinned=="NONE"|| pinned=="X")
{
if(Math.floor(data.posy/dheight)==currenty || (cont.statey && Math.floor(data.posy/dheight)==maxpagey))
{
if(percenty<0.5)
{
newscaley=1-percenty*2;
newposy=dposy+((data.posy%dheight+dheight)%dheight)+percenty*(dheight- ((data.posy%dheight+dheight)%dheight) *2);
}
else newvis=false;
}
if(Math.floor(data.posy/dheight) ==currenty+1)
{
if(percenty>=0.5)
{
newscaley=percenty*2-1;
newposy=dposy+dheight/2*(2-percenty*2)+ ((data.posy%dheight+dheight)%dheight) *(percenty*2-1);
}
else newvis=false;
}
} item.setScale(newscalex,newscaley);
item.setPosition(newposx,newposy);
item.setVisibility(newvis);
}
}
else
{
d.setPosition(dposx,dposy);
d.setPosition(dposx<cont.minx?cont.maxx-dwidth:dposx,dposy<cont.miny?cont.maxy-dheight:dposy,1,false);
cont.statex=false;
cont.statey=false;
for(i=0;i<l;i++)
{
item=items.getAt(i);
var data=JSON.parse(item.getTag());
item.setScale(1,1);
item.setPosition(data.posx,data.posy);
item.setVisibility(true);
}
}
</code>
Lightning Launcher

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