Fajerwerkowy kursor.html

<script>
var xLayerNo=0;



function xLayer(xHtml, x, y, w)

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		this.images=this.layer.document.images;

/*** These used to be prototypes (like  IE ) but when NS (communicator) 4.7 ***/

/*** first loads up, for some reason the prototypes do not get assigned ***/

this.moveTo 	= function(x,y) 	{ this.layer.moveTo(x,y); }

this.moveBy 	= function(x,y) 	{ this.layer.moveBy(x,y); }

this.show		= function() 	{ this.layer.visibility = "show"; }

this.hide 		= function() 	{ this.layer.visibility = "hide"; }

this.setzIndex	= function(z)	{ this.layer.zIndex = z; }

this.setBgColor 	= function(color) { this.layer.bgColor = color; }

this.setBgImage 	= function(image) { this.layer.background.src = image; }

this.getX 		= function() 	{ return this.layer.left; }

this.getY 		= function() 	{ return this.layer.right; }

this.getWidth 	= function() 	{ return this.layer.width; }

this.getHeight 	= function() 	{ return this.layer.height; }

this.getStackingOrder = function()	{ return this.layer.zIndex; }

this.isVisible 	= function() 	{ return this.layer.visibility == "show"; }

this.setContent   = function(xHtml)

{

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	this.layer.document.write(xHtml);

	this.layer.document.close();

}

this.clip = function(x1,y1, x2,y2)

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	this.layer.clip.bottom	=y2;

	this.layer.clip.right	=x2;

}



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		var xName="xLayer" + xLayerNo++;



		txt =   "<DIV ID='" + xName

			+ "' STYLE=\"position:absolute;"

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			+ "top:"   + y + ";"

			+ "width:" + w + ";"

			+ "visibility:hidden\">"

			+ xHtml 

			+ "</DIV>";

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		this.layer   = document.all[xName].style;

		this.images  = document.images;

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	return(this);

}



if(document.layers)

{

/**** START prototypes for NS ***/

/*** END NS ***/

}

else

if(document.all)

{

/*** START prototypes for IE ***/

xLayer.prototype.moveTo = function(x,y)

{

	this.layer.pixelLeft = x;

	this.layer.pixelTop = y;

}

xLayer.prototype.moveBy = function(x,y)

{

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}

xLayer.prototype.show		= function() 	{ this.layer.visibility = "visible"; }

xLayer.prototype.hide		= function() 	{ this.layer.visibility = "hidden"; }

xLayer.prototype.setzIndex	= function(z)	{ this.layer.zIndex = z; }

xLayer.prototype.setBgColor	= function(color) { this.layer.backgroundColor = color; }

xLayer.prototype.setBgImage	= function(image) { this.layer.backgroundImage = image; }

xLayer.prototype.setContent   = function(xHtml)	{ this.content.innerHTML=xHtml; }

xLayer.prototype.getX		= function() 	{ return this.layer.pixelLeft; }

xLayer.prototype.getY		= function() 	{ return this.layer.pixelRight; }

xLayer.prototype.getWidth	= function() 	{ return this.layer.pixelWidth; }

xLayer.prototype.getHeight	= function() 	{ return this.layer.pixelHeight; }

xLayer.prototype.getStackingOrder = function()	{ return this.layer.zIndex; }

xLayer.prototype.isVisible	= function()	{ return this.layer.visibility == "visible"; }

xLayer.prototype.clip		= function(x1,y1, x2,y2)

{

	this.layer.clip="rect("+y1+" "+x2+" "+y2+" "+x1+")";

	this.layer.pixelWidth=x2;

	this.layer.pixelHeight=y2;

	this.layer.overflow="hidden";

}

/*** END IE ***/

}

else

{

xLayer.prototype.moveTo 	= function(x,y) 	{  }

xLayer.prototype.moveBy 	= function(x,y) 	{  }

xLayer.prototype.show 		= function() 	{  }

xLayer.prototype.hide 		= function() 	{  }

xLayer.prototype.setStackingOrder = function(z) {  }

xLayer.prototype.setBgColor 	= function(color) {  }

xLayer.prototype.setBgImage 	= function(image) {  }

xLayer.prototype.getX 		= function() 	{ return 0; }

xLayer.prototype.getY 		= function() 	{ return 0; }

xLayer.prototype.getWidth 	= function() 	{ return 0; }

xLayer.prototype.getHeight 	= function() 	{ return 0; }

xLayer.prototype.getStackingOrder = function()	{ return 0; }

xLayer.prototype.isVisible 	= function() 	{ return false; }

xlayer.prototype.setContent   = function(xHtml) { }



}

/*** End  - xLayer - a cross browser layer object by www.Roy.Whittle.com ***/



var theTimer=null;

var mouseX = 100;

var mouseY = 100;



var oneDeg=(2*Math.PI)/360;



/*** Pinwheel type 1 ***/

var Radius = 5;

var NumStars=32;

var NumSteps=16;

var StepAngle=(25)*oneDeg;



/*** Pinwheel type 2 ***/

//var Radius = 10;

//var NumStars=16;

//var NumSteps=8;

//var StepAngle=(22.5)*oneDeg;



/*** Pinwheel type 3 ***/

//var Radius = 5;

//var NumStars=16;

//var NumSteps=16;

//var StepAngle=(22.5)*oneDeg;



/*** Pinwheel type 4 ***/

//var Radius = 10;

//var NumStars=32;

//var NumSteps=16;

//var StepAngle=(11.25)*oneDeg;



var StarObject=new Array();



var hexDigit=new Array("0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F");

function dec2hex(dec)

{

	return(hexDigit[dec>>4]+hexDigit[dec&15]);

}

function hex2dec(hex)

{

	return(parseInt(hex,16))

}



function CreateStar()

{



	this.layer 		= new xLayer(" ", 100, 100, 10);

	this.currAngle 	= 0;

	this.step		= 0;

	this.x		= 100;

	this.y		= 100;

	return (this);

}



function restart()

{

	for(i=0;i<NumStars;i++)

	{

		StarObject[i].currAngle = (StepAngle*i);

		StarObject[i].step = (i%NumSteps);

		StarObject[i].x = mouseX;

		StarObject[i].y = mouseY;

		StarObject[i].layer.moveTo(mouseX, mouseY);

		StarObject[i].layer.show();

	}

}

/*** Choose a random pinwheel configuration ***/

function next_random()

{

	var num=Math.floor(Math.random()*4);

	

	for(i=0;i<NumStars;i++)

		StarObject[i].layer.hide();



	if(num==0){

		Radius = 5;

		NumStars=32;

		NumSteps=16;

		StepAngle=(25)*oneDeg;

	}

	else

	if(num==1){

		Radius = 10;

		NumStars=16;

		NumSteps=8;

		StepAngle=(22.5)*oneDeg;

	}

	else

	if(num==2){

		Radius = 5;

		NumStars=16;

		NumSteps=16;

		StepAngle=(22.5)*oneDeg;

	}

	else{

		Radius = 10;

		NumStars=32;

		NumSteps=16;

		StepAngle=(11.25)*oneDeg;

	}





	for(i=0 ; i<NumStars; i++)

	{

		var s=StarObject[i];

		s.currAngle = (StepAngle*i);

		s.step = (i%NumSteps);

		s.x=mouseX;

		s.y=mouseY;

	}



	restart();



	theTimer=setTimeout("next_random()", 10000);

}

function start()

{

if (document.all)

	document.onmousemove = IE_MouseMove;



if (document.layers) {

	window.captureEvents(Event.MOUSEMOVE);

	window.onmousemove = NS_MouseMove;

}



	for(i=0 ; i<NumStars; i++)

	{

		StarObject[i]=new CreateStar();

		StarObject[i].currAngle = (StepAngle*i);

		StarObject[i].step = (i%NumSteps);

		StarObject[i].layer.clip(0,0,2,2);

		StarObject[i].layer.setBgColor("red");

	}



	for(i=0 ; i<NumStars ; i++)

		StarObject[i].layer.show();



	/*** Remove this if you only 1 type of pinwheel ***/

	theTimer=setTimeout("next_random()", 10000);



	Rotate();

}



function changeColour(s)

{

	var colour="";



	r2= Math.floor(Math.random()*2)*255;

	g2= Math.floor(Math.random()*2)*255;

	b2= Math.floor(Math.random()*2)*255;



	if(r2==0 && g2==0 && b2==0)

		r2=255;



	colour = "#" + dec2hex(r2) + dec2hex(g2) + dec2hex(b2);

	s.layer.setBgColor(colour);



	s.x=mouseX;

	s.y=mouseY;

}

function Rotate() 

{

	var x;

	var y;

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

		var s=StarObject[i];

		

		if(s.step==0)

			changeColour(s);



		var angle = s.currAngle;

		var rad   = s.step*Radius + 10;

		x = s.x + rad*Math.cos(angle);

		y = s.y + rad*Math.sin(angle);



		s.layer.moveTo(x,y);



		s.step = (s.step+1)%NumSteps;

	}



	setTimeout("Rotate()", 30);

}





function IE_MouseMove()

{

	mouseX = document.body.scrollLeft+event.x;

	mouseY = document.body.scrollTop+event.y;

}

function NS_MouseMove(evnt) {

	mouseX = evnt.pageX;

	mouseY = evnt.pageY;

}



function handle_resize()

{

	if(document.layers)

		start();

}



window.onresize=handle_resize;

window.onload=start;
</script>