X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fvector.h;h=62438986ef653bd0462d9e600e307105ce592ba3;hb=84afe881653a02a16b19d4da37435b8701b1a826;hp=c7f2771ce001a45e47dd9eebc35f14a82b5bb68d;hpb=fd5a80446b2abfdfb9d8951fcc03fb1b55ad707c;p=architektonas

diff --git a/src/vector.h b/src/vector.h
index c7f2771..6243898 100644
--- a/src/vector.h
+++ b/src/vector.h
@@ -3,20 +3,22 @@
 //
 // Various structures used for 3 dimensional imaging
 //
-// by James L. Hammons
-// (C) 2001 Underground Software
+// by James Hammons
+// (C) 2001, 2014 Underground Software
 //
 
 #ifndef __VECTOR_H__
 #define __VECTOR_H__
 
-// What we'll do here is create the vector type and use typedef to alias Point to it. Yeah, that's it.
+// What we'll do here is create the vector type and use typedef to alias Point
+// to it. Yeah, that's it.
 
 class Vector
 {
 	public:
 		Vector(double xx = 0, double yy = 0, double zz = 0);
 		Vector(Vector tail, Vector head);		// Create vector from two points
+		void SetAngleAndLength(double angle, double length);
 		Vector operator=(Vector const v);
 		Vector operator+(Vector const v);
 		Vector operator-(Vector const v);
@@ -49,6 +51,7 @@ class Vector
 		static double Magnitude(Vector v1, Vector v2);
 		static double Parameter(Vector v1, Vector v2, Vector p);
 		static Vector Normal(Vector v1, Vector v2);
+		static double AngleBetween(Vector a, Vector b);
 
 	public:
 		double x, y, z;