// scr_spaceinvaders.js
//
// (C) 2000 Juan Prada Blanco
//
// Mueve unos marcianitos por la pantalla
//
// Válido para Explorer y Netscape
function ExplorerMoveDIV(idDiv, xx, yy)
{
switch(idDiv) {
case 0:
document.all.a.style.top = yy;
document.all.a.style.left = xx;
break;
case 1:
document.all.b.style.top = yy;
document.all.b.style.left = xx;
break;
case 2:
document.all.c.style.top = yy;
document.all.c.style.left = xx;
break;
case 3:
document.all.d.style.top = yy;
document.all.d.style.left = xx;
break;
case 4:
document.all.e.style.top = yy;
document.all.e.style.left = xx;
break;
case 5:
document.all.f.style.top = yy;
document.all.f.style.left = xx;
break;
}
}
var userAgent=navigator.appName + " " + navigator.appVersion;
var agentInfo=userAgent.substring(0, 12);
var IsNetscape=navigator.appName=="Netscape";
if (IsNetscape) {
document.write(' 
');
document.write(' ');
document.write(' ');
document.write(' 
');
document.write(' ');
document.write(' ');
} else {
document.write('');
document.write('');
document.write('');
document.write('');
document.write('');
document.write('');
}
if (1)
{
//window.captureEvents(Event.MOUSEMOVE);
// Animación Space Invaders
//
// (C) 2000 Juan Prada Blanco
var yBase;
var xBase;
var MyInnerWidth;
var MyInnerHeight;
var delay = 600;
var yAmpl = 10;
var yMax = 40;
var step = .2;
var ystep = .5;
var currStep = 0;
var tAmpl=1;
var iSeparacionX = 40;
var iSeparacionY = 34;
var iAvanceX = 13;
var iAvanceY = 26;
var XPos = 0;
var YPos = 0;
var XPos1 = 20;
var YPos1 = 260;
var XPos2 = 20;
var YPos2 = 260 + 34;
var iFila = 1;
var iMaxFilas = 2;
var j = 0;
//function MoveHandler(evnt) {
// XPos = evnt.pageX ;
// YPos = evnt.pageY ;
//}
//window.onMouseMove = MoveHandler;
function animateLogo() {
if (IsNetscape) {
yBase = window.innerHeight/4;
xBase = window.innerWidth/4;
MyInnerHeight = window.innerHeight;
MyInnerWidth = window.innerWidth;
} else {
yBase = document.body.clientHeight/4;
xBase = document.body.clientWidth/4;
MyInnerHeight = document.body.clientHeight;
MyInnerWidth = document.body.clientWidth;
}
if (iFila == 1) {
XPos = XPos1;
YPos = YPos1;
}
if (iFila == 2) {
XPos = XPos2;
YPos = YPos2;
}
XPos += iAvanceX;
if ( (XPos > (MyInnerWidth - (iSeparacionX * 3))) || (XPos < 20) ) {
iAvanceX = - iAvanceX;
YPos += iAvanceY;
YPos1 += iAvanceY;
YPos2 += iAvanceY;
delay -= 10;
if (delay <= 0) { delay = 1; }
}
if (YPos > (MyInnerHeight - (iSeparacionY * 3))) {
YPos = 20;
YPos1 = 20;
YPos2 = 20 + iSeparacionY;
}
if (iFila == 1) {
XPos1 = XPos;
YPos1 = YPos;
}
if (iFila == 2) {
XPos2 = XPos1;
YPos2 = YPos1 + iSeparacionY;
}
for ( j = 0 ; j < 6 ; j++ ) {
// document.layers[j].top = YPos + Math.cos((20*Math.sin(currStep/(20+j)))+j*70)*yBase*(Math.sin(10+currStep/10)+0.2)*Math.cos((currStep + j*25)/10);
// document.layers[j].left =XPos + Math.sin((20*Math.sin(currStep/20))+j*70)*xBase*(Math.sin(10+currStep/(10+j))+0.2)*Math.cos((currStep + j*25)/10);
if (j < 3) {
if (IsNetscape) {
document.layers[j].top = YPos1;
document.layers[j].left = (XPos1 + ( j * iSeparacionX)) ;
} else {
ExplorerMoveDIV(j, (XPos1 + ( j * iSeparacionX)), YPos1);
}
} else {
if (IsNetscape) {
document.layers[j].top = YPos2;
document.layers[j].left = (XPos2 + ( (j - 3) * iSeparacionX)) ;
} else {
ExplorerMoveDIV(j, (XPos2 + ( (j - 3) * iSeparacionX)), YPos2);
}
}
}
currStep += step;
if (iFila == iMaxFilas) {
setTimeout("animateLogo()", delay ) ;
} else {
setTimeout("animateLogo()", delay / 3) ;
}
iFila++;
if (iFila > iMaxFilas) iFila = 1;
}
animateLogo()
}