1.1 --- a/include/Math.h	Sun May 19 23:30:28 2013 -0500
     1.2 +++ b/include/Math.h	Mon May 27 00:53:55 2013 -0500
     1.3 @@ -134,7 +134,13 @@
     1.4  
     1.5        //////////////////////////////////////////////////////////////////////////
     1.6  
     1.7 +      /** \brief Converts degrees to radians
     1.8 +       */
     1.9        inline double deg_to_rad(double deg) { return deg * PI_DIV_180; };
    1.10 +
    1.11 +
    1.12 +      /** \brief Converts radians to degrees.
    1.13 +       */
    1.14        inline double rad_to_deg(double rad) { return rad * INV_PI_DIV_180; };
    1.15  
    1.16        } // namespace Math

     2.1 --- a/include/Transform.h	Sun May 19 23:30:28 2013 -0500
     2.2 +++ b/include/Transform.h	Mon May 27 00:53:55 2013 -0500
     2.3 @@ -4,6 +4,8 @@
     2.4  // Needs Vector.h and Matrix.h, but this file is not intended to be included
     2.5  // directly.  Just include Math.h and everything will be set up correctly.
     2.6  
     2.7 +#include <iostream>
     2.8 +
     2.9  namespace arda 
    2.10      {
    2.11      namespace Math
    2.12 @@ -54,6 +56,12 @@
    2.13          template <typename T>
    2.14          void get_ortho_mat44(arda::Math::Matrix44<T> & M, T near, T far, T left, T right, T bottom, T top);
    2.15  
    2.16 +        template <typename T>
    2.17 +        void get_persp_mat44(arda::Math::Matrix44<T> & M, T near, T far, T left, T right, T bottom, T top);
    2.18 +
    2.19 +        template <typename T>
    2.20 +        void get_persp_inf_mat44(arda::Math::Matrix44<T> & M, T near, T far, T left, T right, T bottom, T top);
    2.21 +
    2.22          } // namespace Math
    2.23     
    2.24      } // namespace arda
    2.25 @@ -215,5 +223,31 @@
    2.26      
    2.27      }
    2.28  
    2.29 +////////////////////////////////////////////////////////////////////////////////
    2.30 +template <typename T>
    2.31 +void arda::Math::get_persp_mat44(arda::Math::Matrix44<T> & M, T near, T far, T left, T right, T bottom, T top)
    2.32 +    {
    2.33 +    M.assign(
    2.34 +        (2 * near) / (right - left),       T(0),                              T(0),                               T(0),
    2.35 +        T(0),                              (2 * near) / (top - bottom),       T(0),                               T(0), 
    2.36 +        (right + left) / (right - left),   (top + bottom) / (top - bottom),   - (far + near) / (far - near),      T(-1),
    2.37 +        T(0),                              T(0),                              - (2 * near * far) / (far - near),  T(0) 
    2.38 +    );
    2.39 +    
    2.40 +    }
    2.41 +
    2.42 +////////////////////////////////////////////////////////////////////////////////
    2.43 +template <typename T>
    2.44 +void arda::Math::get_persp_inf_mat44(arda::Math::Matrix44<T> & M, T near, T far, T left, T right, T bottom, T top)
    2.45 +    {
    2.46 +    M.assign(
    2.47 +        (2 * near) / (right - left),       T(0),                              T(0),           T(0),
    2.48 +        T(0),                              (2 * near) / (top - bottom),       T(0),           T(0), 
    2.49 +        (right + left) / (right - left),   (top + bottom) / (top - bottom),   T(-1),          T(-1),
    2.50 +        T(0),                              T(0),                              - 2 * near,     T(0) 
    2.51 +    );
    2.52 +    
    2.53 +    }
    2.54 +
    2.55  
    2.56  #endif