Titanium- Control Stuff With Accelerometer

app.js

var win = Ti.UI.createWindow();

var ball = Ti.UI.createView({
	backgroundColor:'blue',
	height:50,
	width:50,
	borderRadius:20
});

win.add(ball);

var label = Ti.UI.createLabel({
	text:'',
	top:5,
	left:5,
	width:'100%',
	color:'#ffffff'
});
win.add(label);

var valueX;
var valueY;


Titanium.Accelerometer.addEventListener('update', function(e) {
	valueX = e.x*100.0;
	valueY = e.y*100.0;

	var newX = ball.center.x +valueX;
	if (newX > 320-(ball.width/2))
		newX = 320-(ball.width/2);
	if (newX < 0+(ball.width/2))
		newX = 0+(ball.width/2);

	var newY = ball.center.y -valueY;
	if (newY > 460-(ball.width/2))
		newY = 460-(ball.width/2);
	if (newY < 0+(ball.width/2))
		newY = 0+(ball.width/2);
	label.text = 'x:'+newX+' y: '+newY;
	ball.animate({center:{x:newX,y:newY},duration:0.5});
});

win.open();