[fiot]

var x = 10;
_root.createEmptyMovieClip("triangle", 1);
with (_root.triangle) {
	beginFill(0x0000FF, 50);
	lineStyle(5, 0xFF00FF, 100);
	moveTo(200, 200);
	lineTo(300, 300);
	lineTo(100, 300);
	lineTo(200, 200);
	endFill();
}
setInterval(function () {
	_root.triangle._alpha = (Math.sin(x*(Math.PI/180)))*100;
	x--;
}, 10);