diff -r 499748f6e80f -r 4bf74e158f44 project_files/HedgewarsMobile/Classes/CGPointUtils.h
--- a/project_files/HedgewarsMobile/Classes/CGPointUtils.h	Tue Dec 07 01:18:43 2010 +0100
+++ b/project_files/HedgewarsMobile/Classes/CGPointUtils.h	Wed Dec 08 14:47:52 2010 +0100
@@ -21,3 +21,9 @@
 CGFloat distanceBetweenPoints (CGPoint first, CGPoint second);
 CGFloat angleBetweenPoints(CGPoint first, CGPoint second);
 CGFloat angleBetweenLines(CGPoint line1Start, CGPoint line1End, CGPoint line2Start, CGPoint line2End);
+
+CGFloat CGPointDot(CGPoint a, CGPoint b);
+CGFloat CGPointLen(CGPoint a);
+CGPoint CGPointSub(CGPoint a, CGPoint b);
+CGFloat CGPointDist(CGPoint a, CGPoint b);
+CGPoint CGPointNorm(CGPoint a);