--- a/cocoaTouch/otherSrc/CGPointUtils.c Thu Jun 17 16:28:42 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,34 +0,0 @@
-/*
- * CGPointUtils.c
- * PinchMe
- *
- * Created by Jeff LaMarche on 8/2/08.
- * Copyright 2008 __MyCompanyName__. All rights reserved.
- *
- */
-
-#include "CGPointUtils.h"
-#include <math.h>
-
-
-CGFloat distanceBetweenPoints (CGPoint first, CGPoint second) {
- CGFloat deltaX = second.x - first.x;
- CGFloat deltaY = second.y - first.y;
- return sqrt(deltaX*deltaX + deltaY*deltaY );
-}
-
-CGFloat angleBetweenPoints(CGPoint first, CGPoint second) {
- CGFloat height = second.y - first.y;
- CGFloat width = first.x - second.x;
- CGFloat rads = atan(height/width);
- return radiansToDegrees(rads);
-}
-
-CGFloat angleBetweenLines(CGPoint line1Start, CGPoint line1End, CGPoint line2Start, CGPoint line2End) {
- CGFloat a = line1End.x - line1Start.x;
- CGFloat b = line1End.y - line1Start.y;
- CGFloat c = line2End.x - line2Start.x;
- CGFloat d = line2End.y - line2Start.y;
- CGFloat rads = acos(((a*c) + (b*d)) / ((sqrt(a*a + b*b)) * (sqrt(c*c + d*d))));
- return radiansToDegrees(rads);
-}