class Ball extends MovieClip 
{
	var canvas_x:Number = 640;
	var canvas_y:Number = 490;
	
	var xscale:Number = 100;
	var yscale:Number = 100;
	var x:Number = 100;
	var y:Number = 100;
	var dx:Number = 0;
	var dy:Number = 0;	
		
	function Ball( swfFileBase, baseDepthLevel )
	{
		_root.createEmptyMovieClip( swfFileBase, baseDepthLevel );
		this.prototype = _root[ swfFileBase ];
		// Load movieClips with a loader.
		var mcl:MovieClipLoader = new MovieClipLoader();
		mcl.loadClip( swfFileBase+".swf", _root[ swfFileBase ] );		
	}
	
	function move()
	{
		// Scale.
		this.prototype._xscale = xscale;
		this.prototype._yscale = yscale;
		// Move random.
		dx += Math.random() - 0.5;
		if( Math.abs( dx ) > 10 ) dx = 0;
		x += dx;
		if( x > canvas_x ) x = 5;
		if( x < 0  ) x = canvas_x - 5;
		dy += Math.random() - 0.5;
		if( Math.abs( dy ) > 10 ) dy = 0;
		y += dy;
		if( y > canvas_y ) y = 5;
		if( y < 0  ) y = canvas_y - 5;
		this.prototype._x = x;
		this.prototype._y = y;
	}
	
	function die()
	{
		this.prototype._visible = false;
	}
}