Add ability to add Arcs to document.

[architektonas] / src / vector.h

diff --git a/src/vector.h b/src/vector.h
index c7f2771ce001a45e47dd9eebc35f14a82b5bb68d..4bcb461a4a730b459d671852e2b7a633d962af1c 100644 (file)
--- a/src/vector.h
+++ b/src/vector.h
@@ -3,20 +3,25 @@
 //
 // 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;
+typedef Vector Point;
 
 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);
@@ -47,13 +52,13 @@ class Vector
 
                static double Dot(Vector v1, Vector v2);
                static double Magnitude(Vector v1, Vector v2);
+               static double Angle(Point p1, Point p2);
                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;
 };
 
-typedef Vector Point;
-
 #endif // __VECTOR_H__