2012-04-09 5 views

Antwort

2

Like this

#define degreesToRadians(x) (M_PI * x/180.0) 

    [UIView animateWithDuration:1.0 animations:^ { 
    triangle.transform = CGAffineTransformMakeRotation(degreesToRadians(480)); 
    triangle.frame = CGRectMake(triangle.frame.origin.x + triangle.frame.size.width/2, triangle.frame.origin.y + triangle.frame.size.height/2, 0.0, 0.0); 
    }];