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Dòng chữ I love you chạy theo chuột!
Topic Started: Sep 5 2005, 06:40 PM (1,097 Views)
Deleted User
Deleted User

Bạn hãy dán đoạn mã vào sau phần <Body> trong trang web của bạn. Sẽ có dòng chữ "I LOVE YOU" chạy theo chuột mỗi khi nó di chuyển. Bạn cũng có thể đổi lại font ( ở đây là Font VNI-Sologan) và màu chữ cho hợp với ý mình.

<div id="dot0"
style="position: absolute; visibility: hidden;height: 5; width: 5;">
</div><div id="dot1" style="position: absolute; height: 5; width: 5;">

<p><font face=VNI-Slogan color="#0080FF">I</font></p>
</div><div id="dot2" style="position: absolute; height: 5; width: 5;">

<p><font face=VNI-Slogan color="#FF0000">L</font></p>
</div><div id="dot3" style="position: absolute; height: 5; width: 5;">

<p><font face=VNI-Slogan color="#008000">O</font></p>
</div><div id="dot4" style="position: absolute; height: 5; width: 5;">

<p><font face=VNI-Slogan color="#800080">V</font></p>
</div><div id="dot5" style="position: absolute; height:5; width: 5;">

<p><font face=VNI-Slogan color="#FF8000">E</font></p>
</div><div id="dot6" style="position: absolute; height: 5; width: 5;">

<p><font face=VNI-Slogan color="#FF00FF">Y</font></p>
</div><div id="dot7" style="position: absolute; height: 5; width: 5;">

<p><font face=VNI-Slogan color="#808040">O</font></p>
</div><div id="dot8" style="position: absolute; height: 5; width: 5;">

<p><font face=VNI-Slogan color="#FF80C0">U</font></p>
</div><script LANGUAGE="JavaScript">

<!-- Begin
var nDots = 9;
var Xpos = 0;
var Ypos = 0;
var DELTAT = .01;
var SEGLEN = 10;
var SPRINGK = 10;
var MASS = 1;
var GRAVITY = 30;
var RESISTANCE = 10;
var STOPVEL = 0.1;
var STOPACC = 0.1;
var DOTSIZE = 11;
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 = new dot(i);
}
for (i = 0; i < nDots; i++) {
dots.obj.left = dots.X;
dots.obj.top = dots.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.dot" + i);
}
else {
this.obj = eval("dot" + i + ".style");
}
}

function startanimate() {
setInterval("animate()", 20);
}

function setInitPositions(dots) {
var startloc = document.all.tags("LI");
var i = 0;
for (i = 0; i < startloc.length && i < (nDots - 1); i++) {
dots[i+1].X = startloc.offsetLeft
startloc.offsetParent.offsetLeft - DOTSIZE;
dots[i+1].Y = startloc.offsetTop +
startloc.offsetParent.offsetTop + 2*DOTSIZE;
}
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.X - dots[j].X);
var dy = (dots.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.dx * RESISTANCE, -dots.dy * RESISTANCE);
var accel = new vec((spring.X + resist.X)/ MASS, (spring.Y + resist.Y)/ MASS + GRAVITY);
dots.dx += (DELTAT * accel.X);
dots.dy += (DELTAT * accel.Y);
if (Math.abs(dots.dx) < STOPVEL &&
Math.abs(dots.dy) < STOPVEL &&
Math.abs(accel.X) < STOPACC &&
Math.abs(accel.Y) < STOPACC) {
dots.dx = 0;
dots.dy = 0;
}
dots.X += dots.dx;
dots.Y += dots.dy;
var height, width;
if (isNetscape) {
height = window.innerHeight;
width = window.innerWidth;
}
else {
height = 2 * document.body.clientHeight;
width = document.body.clientWidth;
}
if (dots.Y >= height - DOTSIZE - 1) {
if (dots.dy > 0) {
dots.dy = BOUNCE * -dots.dy;
}
dots.Y = height - DOTSIZE - 1;
}
if (dots.X >= width - DOTSIZE) {
if (dots.dx > 0) {
dots.dx = BOUNCE * -dots.dx;
}
dots.X = width - DOTSIZE - 1;
}
if (dots.X < 0) {
if (dots.dx < 0) {
dots.dx = BOUNCE * -dots.dx;
}
dots.X = 0;
}
dots.obj.left = dots.X;
dots.obj.top = dots.Y;
}
}
// End -->
</script>
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