Rolling Mountains Graphic Effect :: RV's free DHTML and JavaScript text and graphic scripts ::

ROLLING MOUNTAINS EFFECT

This script has been tested on and shown to work with the following browsers: Internet Explorer version 7 and above Google Chrome version 4 and above Mozilla Firefox version 2 and above Apple Safari version 5 and above Opera version 9 and above (including Opera mobile) Android Browser version 3 and above

16-Sep-2014: Completely re-written. Faster and smoother. 09-Jun-2013: Should now work properly in Internet Explorer. 10-Apr-2013: Second release (Alpha versino) 21-Feb-2013: First release (Beta version)
STEP 1: Copy and paste the code below so that it sits between the <head> and </head> tags at the top of your web-page: <script type="text/javascript"> // <![CDATA[ var ranges=4; // number of mountain ranges // all colours must be in format '#NNNNNN', not 'red' or 'rgb(7,8,9)' var height=160; // height in pixels of heighest mountains - ones nearer the front will be smaller var foreground='#9933ff'; // purple var background='#999999'; // grey /**************************** * Rolling Mountains Effect 2* * (c)2014+ mf2fm web-design * * http://www.mf2fm.com/rv * * DON'T EDIT BELOW THIS BOX * ****************************/ var swide=800; var shigh=600; var sleft=0; var scwid=screen.width; var dx=0; var mranges=new Array(); var mposit=new Array(); var mlent=new Array(); var moff=new Array(); if (typeof('addRVLoadEvent')!='function') function addRVLoadEvent(funky) { var oldonload=window.onload; if (typeof(oldonload)!='function') window.onload=funky; else window.onload=function() { if (oldonload) oldonload(); funky(); } } addRVLoadEvent(climb_every_mountain); function climb_every_mountain() { var c, i, j, k, l, t, x; set_width(); for (i=0; i<ranges2; i+=2) { still_is_the_night(i); still_is_the_night(i+1); j=0; k=Math.floor((0.4+Math.random()0.6)height(ranges-i/2)/ranges); l=0; if (ranges>1) { c=Math.floor(ranges-i/2); c=colour_central((c-1)/(ranges-1)); } else c=foreground; do { if (j<scwid) x=Math.floor((0.4+Math.random()0.5)height(ranges-i/2)/ranges); else x=k; if (!j) l=x; t=createTriangle(x, c); t.style.left=j+"px"; mranges[i].appendChild(t); t=createTriangle(x, c); t.style.left=k-j-2x+"px"; mranges[i+1].appendChild(t); j+=x; } while (j<=scwid+height); mlent[i]=mlent[i+1]=j-l; mposit[i]=0; mposit[i+1]=-mlent[i+1]-x+l; moff[i]=-l; moff[i+1]=2j-mlent[i+1]-2l; mranges[i].style.left=mposit[i]+moff[i]+"px"; mranges[i+1].style.left=mposit[i+1]+moff[i+1]+"px"; document.body.appendChild(mranges[i]); document.body.appendChild(mranges[i+1]); } setInterval("move_every_mountain()", 50); } function colour_central(p) { var i, h1, h2, temp; temp="#"; for (i=1; i<6; i+=2) { h1=parseInt(foreground.substring(i,i+2),16); h2=parseInt(background.substring(i,i+2),16); temp+=dechex(Math.floor(h1+(h2-h1)p)); } return (temp); } function dechex(dec) { return ((dec<16)?"0":"")+dec.toString(16); } function still_is_the_night(i) { mranges[i]=document.createElement('div'); mranges[i].style.position='fixed'; mranges[i].style.zIndex=i; mranges[i].style.left='0px'; mranges[i].style.bottom='0px'; mranges[i].style.width='100%'; mranges[i].style.opacity=Math.floor(1+i/2)/ranges; } function move_every_mountain() { var i; for (i=0; i<ranges2; i++) { mposit[i]+=dx(Math.floor(i/2)+1); if (mposit[i]>scwid) mposit[i]-=2mlent[i]; if (mposit[i]<-mlent[i]) mposit[i]+=2mlent[i]; mranges[i].style.left=mposit[i]+moff[i]+"px"; } } window.onresize=set_width; function set_width() { var sw_min=999999; var sh_min=999999; if (document.documentElement && document.documentElement.clientWidth) { if (document.documentElement.clientWidth>0) sw_min=document.documentElement.clientWidth; if (document.documentElement.clientHeight>0) sh_min=document.documentElement.clientHeight; } else if (typeof(self.innerWidth)=='number' && self.innerWidth) { if (self.innerWidth>0 && self.innerWidth<sw_min) sw_min=self.innerWidth; if (self.innerHeight>0 && self.innerHeight<sh_min) sh_min=self.innerHeight; } else if (document.body.clientWidth) { if (document.body.clientWidth>0 && document.body.clientWidth<sw_min) sw_min=document.body.clientWidth; if (document.body.clientHeight>0 && document.body.clientHeight<sh_min) sh_min=document.body.clientHeight; } if (sw_min==999999 \|\| sh_min==999999) { sw_min=800; sh_min=600; } swide=sw_min; shigh=sh_min; } function createTriangle(x, colour) { var div=document.createElement("div"); div.style.position='absolute'; div.style.left='0px'; div.style.bottom='0px'; div.style.height='0px'; div.style.width='0px'; div.style.borderStyle='solid'; div.style.borderColor=colour+' transparent'; div.style.borderWidth='0px '+x+'px '+x+'px '+x+'px'; return (div); } window.onscroll=set_scroll; function set_scroll() { if (typeof(self.pageYOffset)=='number') { sleft=self.pageXOffset; } else if (document.body && (document.body.scrollTop \|\| document.body.scrollLeft)) { sleft=document.body.scrollLeft; } else if (document.documentElement && (document.documentElement.scrollTop \|\| document.documentElement.scrollLeft)) { sleft=document.documentElement.scrollLeft; } else { sleft=0; } } document.onmousemove=mouse; function mouse(e) { var x; if (e) x=e.pageX; else { x=event.x; set_scroll(); x+=sleft; } dx=Math.floor(-1.5+4*(x-sleft)/swide); } // ]]> </script> CLICK HERE to select the above script ready to paste it into your clipboard
STEP 2: Change the colour of the mountains and their height using the values at the start of the script you just copied to the settings you require (you might not want purple mountains for example).
THAT'S IT When your page loads hearts will float up from wherever your cursor wanders. Also, if you hold your mouse button down, lots of hearts will be produced. And like true love, the path of hearts does not always run the course and sadly some hearts will be broken before they reach their target!

Copyright notice: All scripts are © copyright mf2fm.com. You can use them wherever and whenever you wish, however the copyright notice at the start of the script should remain intact and a link back to this page would be appreciated. The address for this page is: http://www.mf2fm.com/rv/dhtmlmountains.php.

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