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<blockquote data-quote="FUNasela" data-source="post: 4013294" data-attributes="member: 54899">Hearts following mouse[CODE]&lt;div id=&quot;dot0&quot; style=&quot;position: absolute; visibility: hidden; height: 11; width: 11;&quot;&gt;&nbsp; &nbsp; &lt;img src=&quot;http://www.javascriptfreecode.com/heart.gif&quot; height=11 width=11&gt;&lt;/div&gt;&lt;div id=&quot;dot1&quot; style=&quot;position: absolute; height: 11; width: 11;&quot;&gt;&nbsp; &nbsp; &lt;img src=&quot;http://www.javascriptfreecode.com/heart.gif&quot; height=11 width=11&gt;&lt;/div&gt;&lt;div id=&quot;dot2&quot; style=&quot;position: absolute; height: 11; width: 11;&quot;&gt;&nbsp; &nbsp; &lt;img src=&quot;http://www.javascriptfreecode.com/heart.gif&quot; height=11 width=11&gt;&lt;/div&gt;&lt;div id=&quot;dot3&quot; style=&quot;position: absolute; height: 11; width: 11;&quot;&gt;&nbsp; &nbsp; &lt;img src=&quot;http://www.javascriptfreecode.com/heart.gif&quot; height=11 width=11&gt;&lt;/div&gt;&lt;div id=&quot;dot4&quot; style=&quot;position: absolute; height: 11; width: 11;&quot;&gt;&nbsp; &nbsp; &lt;img src=&quot;http://www.javascriptfreecode.com/heart.gif&quot; height=11 width=11&gt;&lt;/div&gt;&lt;div id=&quot;dot5&quot; style=&quot;position: absolute; height: 11; width: 11;&quot;&gt;&nbsp; &nbsp; &lt;img src=&quot;http://www.javascriptfreecode.com/heart.gif&quot; height=11 width=11&gt;&lt;/div&gt;&lt;div id=&quot;dot6&quot; style=&quot;position: absolute; height: 11; width: 11;&quot;&gt;&nbsp; &nbsp; &lt;img src=&quot;http://www.javascriptfreecode.com/heart.gif&quot; height=11 width=11&gt;&lt;/div&gt;&lt;script LANGUAGE=&quot;JavaScript&quot;&gt;&lt;!-- hide codevar nDots = 7;var Xpos = 0;var Ypos = 0;&nbsp; // fixed time step, no relation to real timevar DELTAT = .01;&nbsp; // size of one spring in pixelsvar SEGLEN = 10;&nbsp; // spring constant, stiffness of springsvar SPRINGK = 10;&nbsp; // all the physics is bogus, just picked stuff to&nbsp; // make it look okayvar MASS = 1;// Positive XGRAVITY pulls right, negative pulls left// Positive YGRAVITY pulls down, negative upvar XGRAVITY = 0;var YGRAVITY = 50;// RESISTANCE determines a slowing force proportional to velocityvar RESISTANCE = 10;&nbsp; // stopping criterea to prevent endless jittering&nbsp; // doesn't work when sitting on bottom since floor&nbsp; // doesn't push back so acceleration always as big&nbsp; // as gravityvar STOPVEL = 0.1;var STOPACC = 0.1;var DOTSIZE = 11;&nbsp; // BOUNCE is percent of velocity retained when &nbsp; // bouncing off a wallvar BOUNCE = 0.75;var isNetscape = navigator.appName==&quot;Netscape&quot;;&nbsp; // always on for now, could be played with to&nbsp; // let dots fall to botton, get thrown, etc.var followmouse = true;var dots = new Array();init();function init(){&nbsp; &nbsp; var i = 0;&nbsp; &nbsp; for (i = 0; i &lt; nDots; i++) {&nbsp; &nbsp; &nbsp; &nbsp; dots[i] = new dot(i);&nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; if (!isNetscape) {&nbsp; &nbsp; &nbsp; &nbsp; // I only know how to read the locations of the &nbsp; &nbsp; &nbsp; &nbsp; // &lt;LI&gt; items in IE&nbsp; &nbsp; &nbsp; &nbsp; //skip this for now&nbsp; &nbsp; &nbsp; &nbsp; // setInitPositions(dots)&nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; // set their positions&nbsp; &nbsp; for (i = 0; i &lt; nDots; i++) {&nbsp; &nbsp; &nbsp; &nbsp; dots[i].obj.left = dots[i].X;&nbsp; &nbsp; &nbsp; &nbsp; dots[i].obj.top = dots[i].Y;&nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (isNetscape) {&nbsp; &nbsp; &nbsp; &nbsp; // start right away since they are positioned&nbsp; &nbsp; &nbsp; &nbsp; // at 0, 0&nbsp; &nbsp; &nbsp; &nbsp; startanimate();&nbsp; &nbsp; } else {&nbsp; &nbsp; &nbsp; &nbsp; // let dots sit there for a few seconds&nbsp; &nbsp; &nbsp; &nbsp; // since they're hiding on the real bullets&nbsp; &nbsp; &nbsp; &nbsp; setTimeout(&quot;startanimate()&quot;, 1000);&nbsp; &nbsp; }}function dot(i) {&nbsp; &nbsp; this.X = Xpos;&nbsp; &nbsp; this.Y = Ypos;&nbsp; &nbsp; this.dx = 0;&nbsp; &nbsp; this.dy = 0;&nbsp; &nbsp; if (isNetscape) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; this.obj = eval(&quot;document.dot&quot; + i);&nbsp; &nbsp; } else {&nbsp; &nbsp; &nbsp; &nbsp; this.obj = eval(&quot;dot&quot; + i + &quot;.style&quot;);&nbsp; &nbsp; }}function startanimate() {&nbsp; &nbsp; &nbsp; &nbsp; setInterval(&quot;animate()&quot;, 20);}// This is to line up the bullets with actual LI tags on the page// Had to add -DOTSIZE to X and 2*DOTSIZE to Y for IE 5, not sure why// Still doesn't work greatfunction setInitPositions(dots){&nbsp; &nbsp; // initialize dot positions to be on top &nbsp; &nbsp; // of the bullets in the &lt;ul&gt;&nbsp; &nbsp; var startloc = document.all.tags(&quot;LI&quot;);&nbsp; &nbsp; var i = 0;&nbsp; &nbsp; for (i = 0; i &lt; startloc.length &amp;&amp; i &lt; (nDots - 1); i++) {&nbsp; &nbsp; &nbsp; &nbsp; dots[i+1].X = startloc[i].offsetLeft&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; startloc[i].offsetParent.offsetLeft - DOTSIZE;&nbsp; &nbsp; &nbsp; &nbsp; dots[i+1].Y = startloc[i].offsetTop +&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; startloc[i].offsetParent.offsetTop + 2*DOTSIZE;&nbsp; &nbsp; }&nbsp; &nbsp; // put 0th dot above 1st (it is hidden)&nbsp; &nbsp; dots[0].X = dots[1].X;&nbsp; &nbsp; dots[0].Y = dots[1].Y - SEGLEN;}// just save mouse position for animate() to usefunction MoveHandler(e){&nbsp; &nbsp; Xpos = e.pageX;&nbsp; &nbsp; Ypos = e.pageY;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; return true;}// just save mouse position for animate() to usefunction MoveHandlerIE() {&nbsp; &nbsp; Xpos = window.event.x + document.body.scrollLeft;&nbsp; &nbsp; Ypos = window.event.y + document.body.scrollTop;&nbsp; &nbsp; &nbsp; }if (isNetscape) {&nbsp; &nbsp; document.captureEvents(Event.MOUSEMOVE);&nbsp; &nbsp; document.onMouseMove = MoveHandler;} else {&nbsp; &nbsp; document.onmousemove = MoveHandlerIE;}function vec(X, Y){&nbsp; &nbsp; this.X = X;&nbsp; &nbsp; this.Y = Y;}// adds force in X and Y to spring for dot[i] on dot[j]function springForce(i, j, spring){&nbsp; &nbsp; var dx = (dots[i].X - dots[j].X);&nbsp; &nbsp; var dy = (dots[i].Y - dots[j].Y);&nbsp; &nbsp; var len = Math.sqrt(dx*dx + dy*dy);&nbsp; &nbsp; if (len &gt; SEGLEN) {&nbsp; &nbsp; &nbsp; &nbsp; var springF = SPRINGK * (len - SEGLEN);&nbsp; &nbsp; &nbsp; &nbsp; spring.X += (dx / len) * springF;&nbsp; &nbsp; &nbsp; &nbsp; spring.Y += (dy / len) * springF;&nbsp; &nbsp; }}function animate() {&nbsp; &nbsp; &nbsp; &nbsp; // dots[0] follows the mouse,&nbsp; &nbsp; // though no dot is drawn there&nbsp; &nbsp; var start = 0;&nbsp; &nbsp; if (followmouse) {&nbsp; &nbsp; &nbsp; &nbsp; dots[0].X = Xpos;&nbsp; &nbsp; &nbsp; &nbsp; dots[0].Y = Ypos;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; start = 1;&nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; for (i = start ; i &lt; nDots; i++ ) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var spring = new vec(0, 0);&nbsp; &nbsp; &nbsp; &nbsp; if (i &gt; 0) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; springForce(i-1, i, spring);&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; if (i &lt; (nDots - 1)) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; springForce(i+1, i, spring);&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // air resisitance/friction&nbsp; &nbsp; &nbsp; &nbsp; var resist = new vec(-dots[i].dx * RESISTANCE,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; -dots[i].dy * RESISTANCE);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // compute new accel, including gravity&nbsp; &nbsp; &nbsp; &nbsp; var accel = new vec((spring.X + resist.X)/MASS + XGRAVITY,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (spring.Y + resist.Y)/ MASS + YGRAVITY);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // compute new velocity&nbsp; &nbsp; &nbsp; &nbsp; dots[i].dx += (DELTAT * accel.X);&nbsp; &nbsp; &nbsp; &nbsp; dots[i].dy += (DELTAT * accel.Y);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // stop dead so it doesn't jitter when nearly still&nbsp; &nbsp; &nbsp; &nbsp; if (Math.abs(dots[i].dx) &lt; STOPVEL &amp;&amp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Math.abs(dots[i].dy) &lt; STOPVEL &amp;&amp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Math.abs(accel.X) &lt; STOPACC &amp;&amp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Math.abs(accel.Y) &lt; STOPACC) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dots[i].dx = 0;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dots[i].dy = 0;&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // move to new position&nbsp; &nbsp; &nbsp; &nbsp; dots[i].X += dots[i].dx;&nbsp; &nbsp; &nbsp; &nbsp; dots[i].Y += dots[i].dy;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // get size of window&nbsp; &nbsp; &nbsp; &nbsp; var height, width;&nbsp; &nbsp; &nbsp; &nbsp; if (isNetscape) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; height = window.innerHeight + window.pageYOffset;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; width = window.innerWidth + window.pageXOffset;&nbsp; &nbsp; &nbsp; &nbsp; } else {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; height = document.body.clientHeight + document.body.scrollTop;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; width = document.body.clientWidth + document.body.scrollLeft;&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // bounce off 3 walls (leave ceiling open)&nbsp; &nbsp; &nbsp; &nbsp; if (dots[i].Y &gt;=&nbsp; height - DOTSIZE - 1) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (dots[i].dy &gt; 0) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dots[i].dy = BOUNCE * -dots[i].dy;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dots[i].Y = height - DOTSIZE - 1;&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; if (dots[i].X &gt;= width - DOTSIZE) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (dots[i].dx &gt; 0) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dots[i].dx = BOUNCE * -dots[i].dx;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dots[i].X = width - DOTSIZE - 1;&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; if (dots[i].X &lt; 0) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (dots[i].dx &lt; 0) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dots[i].dx = BOUNCE * -dots[i].dx;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dots[i].X = 0;&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // move img to new position&nbsp; &nbsp; &nbsp; &nbsp; dots[i].obj.left = dots[i].X;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dots[i].obj.top =&nbsp; dots[i].Y;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }}// end code hiding --&gt;&lt;/script&gt;&lt;font face=&quot;Tahoma&quot;&gt;&lt;a target=&quot;_blank&quot; href=&quot;http://www.YOUR SITE.com/&quot;&gt;&lt;span style=&quot;font-size: 8pt; text-decoration: none&quot;&gt;JavaScript Free Code&lt;/span&gt;&lt;/a&gt;&lt;/font&gt;[/CODE]</blockquote>

[QUOTE="FUNasela, post: 4013294, member: 54899"] Hearts following mouse [CODE]<div id="dot0" style="position: absolute; visibility: hidden; height: 11; width: 11;"> <img src="http://www.javascriptfreecode.com/heart.gif" height=11 width=11> </div> <div id="dot1" style="position: absolute; height: 11; width: 11;"> <img src="http://www.javascriptfreecode.com/heart.gif" height=11 width=11> </div> <div id="dot2" style="position: absolute; height: 11; width: 11;"> <img src="http://www.javascriptfreecode.com/heart.gif" height=11 width=11> </div> <div id="dot3" style="position: absolute; height: 11; width: 11;"> <img src="http://www.javascriptfreecode.com/heart.gif" height=11 width=11> </div> <div id="dot4" style="position: absolute; height: 11; width: 11;"> <img src="http://www.javascriptfreecode.com/heart.gif" height=11 width=11> </div> <div id="dot5" style="position: absolute; height: 11; width: 11;"> <img src="http://www.javascriptfreecode.com/heart.gif" height=11 width=11> </div> <div id="dot6" style="position: absolute; height: 11; width: 11;"> <img src="http://www.javascriptfreecode.com/heart.gif" height=11 width=11> </div> <script LANGUAGE="JavaScript">  </script> <a target="_blank" href="http://www.YOUR SITE.com/">JavaScript Free Code</a> [/CODE] [/QUOTE]

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