]> Shamusworld >> Repos - architektonas/blobdiff - src/vector.h
Miscellaneous fixes/updates:
[architektonas] / src / vector.h
index c7f2771ce001a45e47dd9eebc35f14a82b5bb68d..67d9aa92f8e0f0d82ebb7bf2fdff4c7febe63277 100644 (file)
@@ -3,40 +3,46 @@
 //
 // Various structures used for 3 dimensional imaging
 //
-// by James L. Hammons
-// (C) 2001 Underground Software
+// by James Hammons
+// (C) 2001, 2018 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
+               Vector(Vector tail, Vector head);       // Create vector from two points
+               Vector(const Vector &v);
+               void SetAngleAndLength(double angle, double length);
                Vector operator=(Vector const v);
                Vector operator+(Vector const v);
                Vector operator-(Vector const v);
-               Vector operator-(void);                                 // Unary negation
-               Vector operator*(double const v);               // Vector times constant (double)
-               Vector operator*(float const v);                // Vector times constant (float)
-               Vector operator/(double const v);               // Vector divided by constant (double)
-               Vector operator/(float const v);                // Vector divided by constant (float)
-               Vector operator*(Vector const v);               // Vector product
-               double Dot(Vector const v);                             // Dot product
-
-               Vector& operator*=(double const v);             // Vector times constant self-assignment
-               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 operator-(void);                         // Unary negation
+               Vector operator*(double const v);       // Vector times constant (double)
+               Vector operator*(float const v);        // Vector times constant (float)
+               Vector operator/(double const v);       // Vector divided by constant (double)
+               Vector operator/(float const v);        // Vector divided by constant (float)
+               Vector operator*(Vector const v);       // Vector product
+               double Dot(Vector const v);                     // Dot product
+
+               Vector& operator*=(double const v);     // Vector times constant self-assignment
+               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);
@@ -47,13 +53,13 @@ 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__