Click-splosion click your mouse for a colourful explosion :: RV's free DHTML and JavaScript graphic effects

CLICKSPLOSION

This script has been tested on and shown to work with the following browsers: Internet Explorer version 6 and above Google Chrome version 1 and above Mozilla Firefox version 2 and above Apple Safari version 5 and above Opera version 7 and above (including Opera mobile) Android Browser version 2 and above

2-May-2012: First release.
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 sparks=75; // how many sparks per clicksplosion var speed=33; // how fast - smaller is faster var bangs=5; // how many can be launched simultaneously (note that using too many can slow the script down) var colours=new Array('#03f', '#f03', '#0e0', '#93f', '#0cf', '#f93', '#f0c'); // blue red green purple cyan orange pink /**************************** * Clicksplosion Effect * (c)2012-3 mf2fm web-design * http://www.mf2fm.com/rv * * DON'T EDIT BELOW THIS BOX * ***************************/ var intensity=new Array(); var Xpos=new Array(); var Ypos=new Array(); var dX=new Array(); var dY=new Array(); var stars=new Array(); var decay=new Array(); var timers=new Array(); var swide=800; var shigh=600; var sleft=sdown=0; var count=0; function addLoadEvent(funky) { var oldonload=window.onload; if (typeof(oldonload)!='function') window.onload=funky; else window.onload=function() { if (oldonload) oldonload(); funky(); } } addLoadEvent(clicksplode); function clicksplode() { if (document.getElementById) { var i, j; window.onscroll=set_scroll; window.onresize=set_width; document.onclick=eksplode; set_width(); set_scroll(); for (i=0; i<bangs; i++) for (j=sparksi; j<sparks+sparksi; j++) { stars[j]=createDiv('', 13); document.body.appendChild(stars[j]); } }} function createDiv(char, size) { var div, sty; div=document.createElement('div'); sty=div.style; sty.font=size+'px monospace'; sty.position='absolute'; sty.backgroundColor='transparent'; sty.visibility='hidden'; sty.zIndex='101'; div.appendChild(document.createTextNode(char)); return (div); } function bang(N) { var i, Z, A=0; for (i=sparksN; i<sparks(N+1); i++) { if (decay[i]) { Z=stars[i].style; Xpos[i]+=dX[i]; Ypos[i]+=(dY[i]+=1.25/intensity[N]); if (Xpos[i]>=swide \|\| Xpos[i]<0 \|\| Ypos[i]>=shigh+sdown \|\| Ypos[i]<0) decay[i]=1; else { Z.left=Xpos[i]+'px'; Z.top=Ypos[i]+'px'; } if (decay[i]==15) Z.fontSize='7px'; else if (decay[i]==7) Z.fontSize='2px'; else if (decay[i]==1) Z.visibility='hidden'; decay[i]--; } else A++; } if (A!=sparks) timers[N]=setTimeout('bang('+N+')', speed); } function eksplode(e) { var x, y, i, M, Z, N; set_scroll(); y=(e)?e.pageY:event.y+sdown; x=(e)?e.pageX:event.x+sleft; N=++count%bangs; M=Math.floor(Math.random()3colours.length); intensity[N]=5+Math.random()4; for (i=Nsparks; i<(N+1)sparks; i++) { Xpos[i]=x; Ypos[i]=y-5; dY[i]=(Math.random()-0.5)intensity[N]; dX[i]=(Math.random()-0.5)(intensity[N]-Math.abs(dY[i]))1.25; decay[i]=16+Math.floor(Math.random()16); Z=stars[i].style; if (M<colours.length) Z.color=colours[i%2?count%colours.length:M]; else if (M<2colours.length) Z.color=colours[count%colours.length]; else Z.color=colours[i%colours.length]; Z.fontSize='13px'; Z.visibility='visible'; } clearTimeout(timers[N]); bang(N); } 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; } 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; } 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-7; shigh=sh_min-7; } function set_scroll() { if (typeof(self.pageYOffset)=='number') { sdown=self.pageYOffset; sleft=self.pageXOffset; } else if (document.body && (document.body.scrollTop \|\| document.body.scrollLeft)) { sdown=document.body.scrollTop; sleft=document.body.scrollLeft; } else if (document.documentElement && (document.documentElement.scrollTop \|\| document.documentElement.scrollLeft)) { sleft=document.documentElement.scrollLeft; sdown=document.documentElement.scrollTop; } else { sdown=0; sleft=0; } } // ]]> </script> CLICK HERE to select the above script ready to paste it into your clipboard
STEP 2: If you wish, change the colours at the start of the script you just copied to be the colour of fireworks you require.
THAT'S IT When your page loads, the fireworks should begin to explode on the screen, just like it is on this page.

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/dhtmlclicksplosion.php.

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