Add ability to add Arcs to document.

[architektonas] / src / vector.h

diff --git a/src/vector.h b/src/vector.h
index 62438986ef653bd0462d9e600e307105ce592ba3..4bcb461a4a730b459d671852e2b7a633d962af1c 100644 (file)
--- a/src/vector.h
+++ b/src/vector.h
@@ -13,6 +13,9 @@
 // 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:
@@ -49,6 +52,7 @@ 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);
@@ -57,6 +61,4 @@ class Vector
                double x, y, z;
 };
 
-typedef Vector Point;
-
 #endif // __VECTOR_H__