Rotate more than 90 degrees

[Everleigh1]

Such a simple question, with no helpful links out there.

I want to rotate an image 360/j (it's an animated clock). When you get past 90 degrees the animation either goes backwards using CGAffineTransformMakeRotation or resets to identity using QuartzCore techniques.

Why are the easiest things so hard? Please tell me how to rotate for example 210 degrees (i.e. anything specific over 180). Preferably without the need of a timer to move past the 180 mark.

[baja_yu]

Post your code.

[Everleigh1]

I ended up using this: (sorry I don't know how to post code in the regular format). It works but is anything but elegant...it basically does the first 180 degrees, and then calls another portion to add on the remainder:

-(void) refresh {
	
	j = 1+ arc4random() % 12;
	degrees = (360/12)*j-.01;
	
	
	rad=(3.14159265*2)/j;
	
	NSLog(@"%i", j);


	hourhand.transform = CGAffineTransformIdentity;
	
	[UIView beginAnimations:nil context:NULL];
	[UIView setAnimationDuration:2];
	[UIView setAnimationCurve:UIViewAnimationCurveEaseIn];
	
	if (degrees<=180) hourhand.transform = CGAffineTransformMakeRotation(RADIANS(degrees) );

	else {
		hourhand.transform = CGAffineTransformMakeRotation(RADIANS(179) );
		[self performSelector:@selector(secondhalf) withObject:nil	afterDelay:2];
	}	

	[UIView commitAnimations];
		
}

-(void) secondhalf {
	
//	NSLog(@"%f", degrees-180);

	[UIView beginAnimations:nil context:NULL];
	[UIView setAnimationDuration:.27*(j-6)];
	[UIView setAnimationCurve:UIViewAnimationCurveLinear];
	
	if(j==12) {
		hourhand.transform = CGAffineTransformMakeRotation(3.13*2);}

		else{hourhand.transform = CGAffineTransformMakeRotation(RADIANS(degrees));}
	
	NSLog(@"%f", RADIANS(degrees));

	
	
}