X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fvector.h;h=6c0ad200e067051ea646042a6ce4451ecd8f731e;hb=70297ac8ec7453e4196f4b58056bcfe4b04f2aca;hp=c1cee7dea145eade87160833abd5404f7a22f3a7;hpb=9f6ad3fe0b9cb30115a5d38e8af3aebed0d70c08;p=architektonas

diff --git a/src/vector.h b/src/vector.h
index c1cee7d..6c0ad20 100644
--- a/src/vector.h
+++ b/src/vector.h
@@ -16,6 +16,7 @@ class Vector
 {
 	public:
 		Vector(double xx = 0, double yy = 0, double zz = 0);
+		Vector(Vector head, Vector tail);		// Create vector from two points
 		Vector operator=(Vector const v);
 		Vector operator+(Vector const v);
 		Vector operator-(Vector const v);
@@ -31,6 +32,11 @@ class Vector
 		Vector& operator/=(double const v);		// Vector divided by constant self-assignment
 		Vector& operator+=(Vector const v);		// Vector plus Vector self-assignment
 		Vector& operator+=(double const v);		// Vector plus constant self-assignment
+		Vector& operator-=(Vector const v);		// Vector minus Vector self-assignment
+		Vector& operator-=(double const v);		// Vector minus constant self-assignment
+
+		bool operator==(Vector const v);		// Check for equality
+		bool operator!=(Vector const v);		// Check for inequality
 
 		Vector Unit(void);
 		double Magnitude(void);
@@ -40,6 +46,9 @@ class Vector
 		// Class methods
 
 		static double Dot(Vector v1, Vector v2);
+		static double Magnitude(Vector v1, Vector v2);
+		static double Parameter(Vector v1, Vector v2, Vector p);
+		static Vector Normal(Vector v1, Vector v2);
 
 	public:
 		double x, y, z;