A basic hedgehog svg trace, for convenience when generating a hedgehog likeness, since repo lacks a high-res hedgehog
/*
* 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);