allow to compile engine as library with HWLIBRARY symbol
move the first run check in the first view controller instead of appdelegate
relocate things around to make room for controls/buttons/menu
/*
* CGPointUtils.h
* PinchMe
*
* Created by Jeff LaMarche on 8/2/08.
* Copyright 2008 __MyCompanyName__. All rights reserved.
*
*/
#import <CoreGraphics/CoreGraphics.h>
CGFloat distanceBetweenPoints (CGPoint first, CGPoint second);
CGFloat angleBetweenPoints(CGPoint first, CGPoint second);
CGFloat angleBetweenLines(CGPoint line1Start, CGPoint line1End, CGPoint line2Start, CGPoint lin2End);