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  1. #define furrovineexport 
  2.  
  3. template<class T>
  4. class TVector2;
  5. template<class T>
  6. class TVector3;
  7.  
  8. template <class T> struct TVector4 {
  9.         public:
  10.                 static const TVector4<T> UnitX;
  11.                 static const TVector4<T> UnitY;
  12.                 static const TVector4<T> UnitZ;
  13.                 static const TVector4<T> UnitW;
  14.                 static const TVector4<T> One;
  15.                 static const TVector4<T> Zero;
  16.  
  17.                 typedef T TElement;
  18.  
  19.  
  20. template<unsigned one, unsigned two>
  21. struct furrovineexport swizzler_two {
  22.     T v[4]; 
  23.     swizzler_two & operator= (const TVector2<T>& right) {
  24.         v[one] = right.x;
  25.         v[two] = right.y;
  26.         return *this;
  27.     }
  28.     operator TVector3<T> () const { return TVector4<T>(v[one], v[two]); }
  29. };
  30. template<unsigned one, unsigned two, unsigned three>
  31. struct furrovineexport swizzler_three {
  32.     T v[4]; 
  33.     swizzler_three& operator= (const TVector3<T>& right) {
  34.         v[one] = right.x;
  35.         v[two] = right.y;
  36.         v[three] = right.z;
  37.         return *this;
  38.     }
  39.     operator TVector3<T> () const { return TVector4<T>(v[one], v[two], v[three]); }
  40. };
  41. template<unsigned one, unsigned two, unsigned three, unsigned four>
  42. struct furrovineexport swizzler_four {
  43.     T v[4]; 
  44.     operator TVector4<T> () const { return TVector4<T>(v[one], v[two], v[three], v[four]); }
  45. };
  46.  
  47.                 union {
  48.                         struct {T x, y, z, w;}; 
  49.                         struct {T cell[4];};
  50. 			swizzler_two<0, 0> xx;
  51. 			swizzler_two<0, 1> xy;
  52. 			swizzler_two<0, 2> xz;
  53. 			swizzler_two<0, 3> xw;
  54. 			swizzler_two<1, 0> yx;
  55.                         //etc
  56.                 };
  57. };
  58.  
  59. int main() {
  60.      TVector4<float> a;
  61. }
  62.  
Success #stdin #stdout 0.01s 2676KB
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https://ideone.com/OCkhf
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
secret

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