Beda Dunia

function Rotator(x, y, count) {
	this.x = x;
	this.y = y;
	this.ry = 0;
	this.rz = 0;
	this.radius = 80;
	this.count = 0;
	this.init(Number(count));
}
 
Rotator.prototype.init = function(count) {
	for(var i = 0; i < this.count; i++)
		_root["circle"+i].removeMovieClip();
 
	this.count = (count < 0) ? 0 : count;	
	for(var i = 0; i < count; i++)
		_root.attachMovie("circle", "circle" + i, 1000+i);
};
 
Rotator.prototype.render = function() {
	var x, y, z, prev_x, value, dist, persp = 200;
	var angle = this.rz, delta = (Math.PI*2)/this.count;
	var sin_rz, cos_rz;
	var sin_ry = Math.sin(this.ry);
	var cos_ry = Math.cos(this.ry);	
 
	for(var i = 0; i < this.count; i++, angle+=delta)
	{
		sin_rz = Math.sin(angle);
		cos_rz = Math.cos(angle);
 
		x = this.radius * cos_rz;
		y = this.radius * sin_rz;
 
		prev_x = x;
		x =  prev_x * cos_ry;
		z = -prev_x * sin_ry;
 
		if(z > persp)
			_root["circle" + i]._visible = false;
		else {
			dist = persp/(persp - z);
			value = 100 * dist;
			with(_root["circle" + i])
			{
				_x = x * dist + this.x;
				_y = y * dist + this.y;
				_xscale = value * cos_ry;
				_yscale = value;
				_alpha  = value * dist;
				_visible = true;
			}
		}
	}
};
///////////////////////////////////////////////////////////////////////////////
drag = false;
prev_x = 0;
prev_y = 0;
dx = 0.01;
dy = 0.1;
r = new Rotator(Stage.width/2, Stage.height/2, 9);
///////////////////////////////////////////////////////////////////////////////	
onMouseDown = function() {
	prev_x = _xmouse;
	prev_y = _ymouse;
	drag = true;
	stop();
};
 
onMouseUp = function() {
	drag = false;
	play();
};
 
onMouseMove = function() {
	if(this.drag) {
		r.ry += (dx = (_xmouse - prev_x) / 20);
		r.rz += (dy = (_ymouse - prev_y) / 20);
		r.render();
		prev_x = _xmouse;
		prev_y = _ymouse;
	}
}

if(Key.isDown(Key.INSERT))
	r.init(r.count+1);
else if(Key.isDown(Key.DELETEKEY)) {
	if(r.count > 1) r.init(r.count-1);
}
else if(Key.isDown(Key.HOME))
	r.radius += 10;
else if(Key.isDown(Key.END))
	r.radius -= 10;
 
r.ry += dx;
r.rz += dy;
r.render();

gotoAndPlay(2);