project_files/HedgewarsMobile/Classes/CGPointUtils.h
author koda
Wed, 23 Jun 2010 22:03:56 +0200
changeset 3547 02875b1145b7
parent 3546 ccf4854df294
child 3551 d4de36b3801a
permissions -rw-r--r--
i <3 mercurial

/*
 *  CGPointUtils.h
 *  PinchMe
 *
 *  Created by Jeff LaMarche on 8/2/08.
 *  Copyright 2008 __MyCompanyName__. All rights reserved.
 *
 */

#import <CoreGraphics/CoreGraphics.h>

#define degreesToRadian(x) (M_PI * x / 180.0)
#define radiansToDegrees(x) (180.0 * x / M_PI)

CGFloat distanceBetweenPoints (CGPoint first, CGPoint second);
CGFloat angleBetweenPoints(CGPoint first, CGPoint second);
CGFloat angleBetweenLines(CGPoint line1Start, CGPoint line1End, CGPoint line2Start, CGPoint lin2End);