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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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#define HWX(x) (int)(x-screen.size.height/2)
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#define HWY(x) (int)(screen.size.width-x)
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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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