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cocoaTouch/otherSrc/CGPointUtils.h
author koda
Sat, 05 Jun 2010 14:07:58 +0000
changeset 3495 a6b4f351d400
parent 3385 361bd29293f4
permissions -rw-r--r--
now engine can be optionally built as library, there's an example wrapper of how to use it building server is now disabled by default, saves users some headaches
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/*
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 *  CGPointUtils.h
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 *  PinchMe
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 *
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 *  Created by Jeff LaMarche on 8/2/08.
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 *  Copyright 2008 __MyCompanyName__. All rights reserved.
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 *
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 */
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#import <CoreGraphics/CoreGraphics.h>













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













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













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CGFloat distanceBetweenPoints (CGPoint first, CGPoint second);













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CGFloat angleBetweenPoints(CGPoint first, CGPoint second);













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CGFloat angleBetweenLines(CGPoint line1Start, CGPoint line1End, CGPoint line2Start, CGPoint lin2End);















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