Free JavaScripts provided
by The JavaScript Source
PASTE THE FOLLOWING INTO A FILE CALLED "fly.js"
PLACE IT IN THE SAME DIRECTORY AS THIS ONE.
BE SURE TO ENTER THE CORRECT PATH FOR THE IMAGES.
------------------------------------------------
/*
Original: Stefano Occhetti
E-mail: starnuto_di_topo@hotmil.com
Web Site: http://www.geocities.com/starnuto_di_topo_2001
*/
var ns = (document.layers)?1:0;
/*
Button:
this code is to show a "button" to switch
the fly ON/OFF.
It is always shown on the frame's
bottom-right corner.
------------------------------------------------
*/
var imgwidth=40; // Image width
var imgheight=40; // Image height
var button = Array(); // to pre-cache images
button[0]=new Image();
button[0].src="img/Mosca_OFF.gif";
button[1]=new Image();
button[1].src="img/Mosca_ON.gif";
var text="
" // A bit of HTML code to display the button
//Initialize some variables to make the button always to appear on the frame's bottom-right corner
if (ns) {
document.write(""+text+"");
horz=".left";
vert=".top";
docStyle="document.";
styleDoc="";
innerW="window.innerWidth";
innerH="window.innerHeight";
offsetX="window.pageXOffset";
offsetY="window.pageYOffset";
}else {
document.write(""+text+"
");
horz=".pixelLeft";
vert=".pixelTop";
docStyle="";
styleDoc=".style";
innerW="document.body.clientWidth";
innerH="document.body.clientHeight";
offsetX="document.body.scrollLeft";
offsetY="document.body.scrollTop";
}
// Moves the button in the right position
function checkLocation() {
objectXY="FlyOnOff";
var availableX=eval(innerW);
var availableY=eval(innerH);
var currentX=eval(offsetX);
var currentY=eval(offsetY);
x=availableX-(imgwidth+30)+currentX;
y=availableY-(imgheight+20)+currentY;
eval(docStyle + objectXY + styleDoc + horz + "=" + x);
eval(docStyle + objectXY + styleDoc + vert + "=" + y);
}
setInterval('checkLocation()', 10);
/*
end of Button management
------------------------------------------------
*/
/*
Fly:
this code provides some facilities
to show a fly moving on the screen.
The fly does not actually follow the
mouse, but a "Dot" (not shown!).
------------------------------------------------
*/
(document.layers)?window.captureEvents(Event.MOUSEMOVE):0;
(document.layers)?window.onMouseMove=getMousePosition:document.onmousemove=getMousePosition;
var Dot_Ro=60; //Dot's distance from the mouse pointer
var Dot_Theta=0; //Dot's initial angle
var Dot_Speed; //Dot's absolute Angular speed
var Dot_Direction=1; //Dot's direction (1=clockwise)
var Dot_x=0; //Dot's original position
var Dot_y=0;
var alpha; //Angle from the fly to the mouse
var mult; //Ausiliary variable to define the angle
var picX = 20; //Fly's coords.
var picY = 100;
var mouseX = 0; //Mouse coords.
var mouseY = 0;
var step = 10; //Pixels
var speed = 100;//u-seconds
// Dir specifies the right picture;
// img pre-caches images.
var dir = Array();
dir[-4]="Mosca_3.gif";
dir[-1]="Mosca_6.gif";
dir[-2]="Mosca_5.gif";
dir[-3]="Mosca_4.gif";
dir[3]="Mosca_8.gif";
dir[4]="Mosca_7.gif";
dir[1]="Mosca_2.gif";
dir[2]="Mosca_1.gif";
dir[0]="";
var img = Array();
for (var i=-4; i<5; i++){
img[i]=new Image();
img[i].src="img/"+dir[i];
}
// Some HTML code to show the fly.
if (ns) {
document.write("
");
}else {
document.write("");
document.write("
