From a2013cd7dd36a07bff8084ccc0efb1ee0314fa27 Mon Sep 17 00:00:00 2001
From: Kirby Turner <kirby@thecave.com>
Date: Thu, 1 Mar 2012 04:28:13 -0500
Subject: [PATCH] Fixed calculation for relative angle.

---
 KnobSample/KnobSample/ViewController.m | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/KnobSample/KnobSample/ViewController.m b/KnobSample/KnobSample/ViewController.m
index 3753b78..e2816ea 100644
--- a/KnobSample/KnobSample/ViewController.m
+++ b/KnobSample/KnobSample/ViewController.m
@@ -54,7 +54,7 @@ - (void)viewDidLoad
    [[self knobImageView] setUserInteractionEnabled:YES];
 
    // Allow rotation between the start and stop angles.
-   [self setStartAngle:270.0];
+   [self setStartAngle:-90.0];
    [self setStopAngle:90.0];
    
    [self resetKnob:self];
@@ -64,7 +64,7 @@ - (void)rotated:(KTOneFingerRotationGestureRecognizer *)recognizer
 {
    CGFloat degrees = radiansToDegrees([recognizer rotation]);
    CGFloat currentAngle = [self currentAngle] + degrees;
-   CGFloat relativeAngle = fabsf(fmodf(currentAngle, 360.0));  // Converts to angle between 0 and 360 degrees.
+   CGFloat relativeAngle = fmodf(currentAngle, 360.0);  // Converts to angle between 0 and 360 degrees.
 
    BOOL shouldRotate = NO;
    if ([self startAngle] <= [self stopAngle]) {