Horizontal and vertical screen loop with items movement

– allow infinite scroll (decelerate/bounce may also work instead)

– set script in positionchanged event of your desktop. (should work also in other containers)

– i recommend to use snap to pages, it may fail without

– set up your configuration: if you want to disable it for one direction set the value to false

Known bugs:

– Scrolling left very fast with a low amount of pages moves items to false positions (Too far left). fixed

– Scrolling right/bottom fast moves items to false positions (Too far right/bottom). occurence reduced

– using the script in more than one container is buggy fixed

– no check for single pages added

——————————

//config

var horizontalScrolling=true;

var verticalScrolling=true;

//endconfig

var d=LL.getEvent().getContainer();

if(d.getId()==-1)d=LL.getCurrentDesktop();

if(d.getPositionScale()!=1)return;

var data=JSON.parse(d.getTag()||”null”);

if (data==null)

{

data=new Object();

data.stateX=0;

data.stateY=0;

data.running=false;

}

if(data.running==true)return;

data.running=true;

d.setTag(JSON.stringify(data));

var dwidth=d.getWidth();

var dheight=d.getHeight();

var cwidth=d.getCellWidth();

var cheight=d.getCellHeight();

var posX=d.getPositionX();

var posY=d.getPositionY();

var box=d.getBoundingBox();

var minX=box.getLeft();

var maxX=box.getRight();

var minY=box.getTop();

var maxY=box.getBottom();

var fullwidth=maxX-minX;

var fullheight=maxY-minY;

var items=d.getItems();

var setLeft=function()

{

data.stateX=1;

for(x=0;x

{

var item=items.getAt(x);

if(item.getPositionX()>=maxX-dwidth)

{

if(item.getProperties().getBoolean(“i.onGrid”))

{

var cell=item.getCell();

item.setCell(Math.round(cell.getLeft()-fullwidth/cwidth), Math.round(cell.getTop()), Math.round(cell.getRight() -fullwidth/cwidth), Math.round(cell.getBottom()));

}

else

{

item.setPosition(item.getPositionX()-fullwidth,item.getPositionY());

}

}

}

}

var setRight=function()

{

data.stateX=0;

for(x=0;x

{

var item=items.getAt(x);

if(item.getPositionX()

{

if(item.getProperties().getBoolean(“i.onGrid”))

{

var cell=item.getCell();

item.setCell( Math.round(cell.getLeft()+fullwidth/cwidth), Math.round(cell.getTop()), Math.round(cell.getRight() +fullwidth/cwidth), Math.round(cell.getBottom()));

}

else

{

item.setPosition(item.getPositionX()+fullwidth,item.getPositionY());

}

}

}

}

var setTop=function()

{

data.stateY=1;

for(x=0;x

{

var item=items.getAt(x);

if(item.getPositionY()>=maxY-dheight)

{

if(item.getProperties().getBoolean(“i.onGrid”))

{

var cell=item.getCell();

item.setCell(Math.round(cell.getLeft()), Math.round(cell.getTop()-fullheight/cheight), Math.round(cell.getRight()), Math.round(cell.getBottom()-fullheight/cheight));

}

else

{

item.setPosition(item.getPositionX(),item.getPositionY()-fullheight);

}

}

}

}

var setBottom=function()

{

data.stateY=0;

for(x=0;x

{

var item=items.getAt(x);

if(item.getPositionY()

{

if(item.getProperties().getBoolean(“i.onGrid”))

{

var cell=item.getCell();

item.setCell( Math.round(cell.getLeft()), Math.round(cell.getTop()+fullheight/cheight), Math.round(cell.getRight()), Math.round(cell.getBottom()+fullheight/cheight));

}

else

{

item.setPosition(item.getPositionX(),item.getPositionY()+fullheight);

}

}

}

}

if(fullwidth>dwidth && horizontalScrolling)

{

if(data.stateX==1)

{

if(posX<=minX || posX>=minX+dwidth)

{

if(posX<=minX)

d.setPosition(maxX,posY,1,false);

setRight();

}

}

else

{

if(posX

setLeft();

if(posX>maxX-dwidth)

{

d.setPosition(minX-dwidth,posY,1,false);

setLeft();

}

}

}

else

{

if(posX

d.setPosition(minX,posY,1,false);

if(posX>maxX-dwidth)

d.setPosition(maxX-dwidth,posY,1,false);

}

posX=d.getPositionX();

if(fullheight>dheight && verticalScrolling)

{

if(data.stateY==1)

{

if(posY<=minY || posY>=minY+dheight)

{

if(posY<=minY)

d.setPosition(posX,maxY,1,false);

setBottom();

}

}

else

{

if(posY

setTop();

if(posY>maxY-dheight)

{

d.setPosition(posX,minY-dheight,1,false);

setTop();

}

}

}

else

{

if(posY

d.setPosition(posX,minY,1,false);

if(posY>maxY-dheight)

d.setPosition(posX,maxY-dheight,1,false);

}

var done=function()

{

data.running=false;

d.setTag(JSON.stringify(data));

}

setTimeout(done,0);

Please report all bugs!

*And give feedback*

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Horzontal Page Transition Animation: “Bulldoze” with page loop

For a video look here: https://plus.google.com/115366157037831519359/posts/N4vKniRC4pe

– Set Script 1 in positionchanged event of your container

– Set Script 2 somewhere easy accessible (create a shortcut/tick show in lightning menu)

– enable “snap to pages”

– don’t use items over page bounds, this would look stupid.

– zooming may break the animation.

How to use:

Enable the effect: Run script 2.

Edit screen: – Run script 2 (disables animation)

– edit as much as you want (add items, move items, remove items.)

– run script 2 again.

Please report all bugs!

And give feedback

Update 30.3.

– improve reliability

http://www.pierrox.net/android/applications/lightning_launcher/wiki/doku.php?id=script_animation_bulldoze

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