- (void)viewDidLoad

pos  = v1.center;
NSLog(@"POSITION === %f",pos.x);

 [NSTimer scheduledTimerWithTimeInterval:0.05
                                 target:self
                               selector:@selector(rotateBoundary)
                               userInfo:nil
                                repeats:YES];

[super viewDidLoad];


 //[self performSelector:@selector(rotateBoundary) withObject:self afterDelay:5.0];
// Do any additional setup after loading the view, typically from a nib.

if (pos.x>=20 && pos.x<=290 && pos.y==25)
{
    NSLog(@"Top left to right.");
    pos.x+=5;
    v1.center = pos;
    NSLog(@"pos.x   ===  %f",pos.x);
}
if(pos.x >= 290 && pos.y<=430)
{
    NSLog(@"Right top to down.");
    pos.y+=5;
    v1.center = pos;
    NSLog(@"pos.y   ===  %f",pos.y);
}

if(pos.y == 430 && pos.x>=20)
{
    NSLog(@"Down right to left.");
    pos.x-=5;
    v1.center = pos;
    NSLog(@"pos.x   ===  %f",pos.x);
}
if (pos.x <= 20 && pos.y>=25)
{
    NSLog(@"Down left to top.");
    pos.y-=5;
    v1.center = pos;
    NSLog(@"pos.y   ===  %f",pos.y);
}