Virág Design - G-Portál

szellem rúgós egérkövető effekt

<div id="dot0" style="position: absolute; visibility: hidden; height: 11; width: 11;"></div>

</div>

<!-- Begin

var nDots = 7;

if (document.all&&window.print)

document.body.style.cssText="overflow-x:hidden;overflow-y:scroll"

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 = 35;

var BOUNCE = 0.75;

var isNetscape = navigator.appName=="Netscape";

var followmouse = true;

var dots = new Array();

init();

function init()

{

var i = 0;

for (i = 0; i < nDots; i++) {

dots[i] = new dot(i);

}

for (i = 0; i < nDots; i++) {

dots[i].obj.left = dots[i].X + "px";

dots[i].obj.top = dots[i].Y + "px";

}

if (isNetscape) {

startanimate();

} else {

setTimeout("startanimate()", 20);

}

function dot(i)

{

this.X = Xpos;

this.Y = Ypos;

this.dx = 0;

this.dy = 0;

this.obj = eval("document.getElementById('dot" + i + "').style");

}

document.onmousemove = MoveHandler;

function startanimate() {

setInterval("animate()", 20);

}

function MoveHandler(e) {

if (!e) {

Xpos = window.event.x + document.body.scrollLeft;

Ypos = window.event.y + document.body.scrollTop;

} else {

Xpos = e.pageX;

Ypos = e.pageY;

}

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 + document.scrollTop;

width = window.innerWidth + document.scrollLeft;

} else {

height = document.body.clientHeight + document.body.scrollTop;

width = document.body.clientWidth + document.body.scrollLeft;

}

if (dots[i].Y >= height - DOTSIZE - 1) {

if (dots[i].dy > 0) {

dots[i].dy = BOUNCE * -dots[i].dy;

}

dots[i].Y = height - DOTSIZE - 1;

}

if (dots[i].X >= width - DOTSIZE) {

if (dots[i].dx > 0) {

dots[i].dx = BOUNCE * -dots[i].dx;

}

dots[i].X = width - DOTSIZE - 1;

}

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 + "px";

dots[i].obj.top = dots[i].Y + "px";

}

// End -->

</SCRIPT>

Oldal információ

Portálépítés és portáldíszítés kezdőknek és haladóknak! Rengetek leírás, JavaScriptek , CSS ,HTML kódok,Naptár,Design! E-mail:virag-78@gportal.hu Tárhely: gportal.hu Kategoria:Portálépítés Indulás:2005.04.12. URL: jegvirag.gportal.hu Facebook: Virág Design Szerkeszto/Design:Virág