Снежинки, летающии за курсором
<html> <head> <title>Снежинки, летающии за курсором</title> </head> <body> <div id="dot0" style="HEIGHT: 15px; POSITION: absolute; VISIBILITY: hidden; WIDTH: 15px"><dd><img border="0" height="15" src="../gif/snegok.html" width="15"></dd></div> <div id="dot1" style="HEIGHT: 15px; POSITION: absolute; WIDTH: 15px"><dd><img border="0" height="15" src="snegok.html" width="15"></dd></div> <div id="dot2" style="HEIGHT: 15px; POSITION: absolute; WIDTH: 15px"><dd><img border="0" height="15" src="snegok.html" width="15"></dd></div> <div id="dot3" style="HEIGHT: 15px; POSITION: absolute; WIDTH: 15px"><dd><img border="0" height="15" src="snegok.html" width="15"></dd></div> <div id="dot4" style="HEIGHT: 15px; POSITION: absolute; WIDTH: 15px"><dd><img border="0" height="15" src="snegok.html" width="15"></dd></div> <div id="dot5" style="HEIGHT: 15px; POSITION: absolute; WIDTH: 15px"><dd><img border="0" height="15" src="snegok.html" width="15"></dd></div> <div id="dot6" style="HEIGHT: 15px; POSITION: absolute; WIDTH: 15px"><dd><img border="0" height="15" src="snegok.html" width="15"></dd></div> <script language=JavaScript> <!-- hide code var nDots = 7; var Xpos = 0; var Ypos = 0; var DELTAT = .01; var SEGLEN = 10; var SPRINGK = 10; var MASS = 1; var GRAVITY = 50; var RESISTANCE = 10; var STOPVEL = 0.1; var STOPACC = 0.1; var DOTSIZE = 10; var BOUNCE = 0.75; var isNetscape = navigator.appName=="Netscape"; var followmouse = true; init(); function init() { var i = 0; dots = new Array(); for (i = 0; i < nDots; i++) { dots[i] = new dot(i); } if (!isNetscape) { setInitPositions() } for (i = 0; i < nDots; i++) { dots[i].obj.left = dots[i].X; dots[i].obj.top = dots[i].Y; } if (isNetscape) { startanimate(); } else { setTimeout("startanimate()", 3000); } } function dot(i) { this.X = Xpos; this.Y = Ypos; this.dx = 0; this.dy = 0; if (isNetscape) { this.obj = eval("document.html" + i); } else { this.obj = eval("dot" + i + ".style"); } } function startanimate() { setInterval("animate()", 20); } function setInitPositions() { var startloc = document.all.tags("LI"); var i = 0; for (i = 0; i < startloc.length; i++) { dots[i+1].X = startloc[i].offsetLeft + startloc[i].offsetParent.offsetLeft; dots[i+1].Y = startloc[i].offsetTop + startloc[i].offsetParent.offsetTop + DOTSIZE/2; } dots[0].X = dots[1].X; dots[0].Y = dots[1].Y - SEGLEN; } function MoveHandler(e) { Xpos = e.pageX; Ypos = e.pageY; return true; } function MoveHandlerIE() { Xpos = window.event.x; Ypos = window.event.y; } if (isNetscape) { document.captureEvents(Event.MOUSEMOVE); document.onMouseMove = MoveHandler; } else { document.onmousemove = MoveHandlerIE; } function vec(X, Y) { this.X = X; this.Y = Y; } function springForce(i, j, spring) { var dx = (dots[i].X - dots[j].X); var dy = (dots[i].Y - dots[j].Y); var len = Math.sqrt(dx*dx + dy*dy); if (len > SEGLEN) { var springF = SPRINGK * (len - SEGLEN); spring.X += (dx / len) * springF; spring.Y += (dy / len) * springF; } } function animate() { var start = 0; if (followmouse) { dots[0].X = Xpos; dots[0].Y = Ypos; start = 1; } for (i = start ; i < nDots; i++ ) { var spring = new vec(0, 0); if (i > 0) { springForce(i-1, i, spring); } if (i < (nDots - 1)) { springForce(i+1, i, spring); } var resist = new vec(-dots[i].dx * RESISTANCE, -dots[i].dy * RESISTANCE); var accel = new vec((spring.X + resist.X)/ MASS, (spring.Y + resist.Y)/ MASS + GRAVITY); dots[i].dx += (DELTAT * accel.X); dots[i].dy += (DELTAT * accel.Y); if (Math.abs(dots[i].dx) < STOPVEL && Math.abs(dots[i].dy) < STOPVEL && Math.abs(accel.X) < STOPACC && Math.abs(accel.Y) < STOPACC) { dots[i].dx = 0; dots[i].dy = 0; } dots[i].X += dots[i].dx; dots[i].Y += dots[i].dy; var height, width; if (isNetscape) { height = window.innerHeight; width = window.innerWidth; } else { height = document.body.clientHeight; width = document.body.clientWidth; } if (dots[i].X < 0) { if (dots[i].dx < 0) { dots[i].dx = BOUNCE * -dots[i].dx; } dots[i].X = 0; } dots[i].obj.left = dots[i].X; dots[i].obj.top = dots[i].Y; } } // --> </SCRIPT> <!--s_links--><a href="http://www.s101.ru/nb.php" target="_blank">ремонт ноутбуков</a> LG<!--/s_links--></body> <!-- Mirrored from gramsk.ru/sites/scriptic/spire/sneg.htm by HTTrack Website Copier/3.x [XR&CO'2014], Tue, 16 Jan 2024 11:59:13 GMT --> </html>
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