fork(2) download
copy 
  1. #include <stdio.h>
  2. #include <vector>
  3. using namespace std;
  4. struct Space2
  5. {
  6.     struct Vector
  7.     {
  8.  
  9.     };
  10.  
  11. };
  12. struct Space3
  13. {
  14.     struct Vector
  15.     {
  16.  
  17.     };
  18.  
  19. };
  20.  
  21. template<typename Space>
  22. struct ParticleData{};
  23.  
  24. template <>
  25. struct ParticleData<Space2>
  26. {
  27.   float orientation;
  28.   float invInertia;
  29.   ParticleData()
  30.   {
  31.     orientation = 2.0f ;
  32.     invInertia = 3.0f;
  33.   }
  34. };
  35.  
  36. template <>
  37. struct ParticleData<Space3>
  38. {
  39.     float test;
  40.     ParticleData()
  41.     {
  42.         test = 100500.0f;
  43.     }
  44. };
  45.  
  46. template<typename Space,typename AwesomeParam>
  47. struct ParticleSystem
  48. {
  49.   struct Particle : public ParticleData<Space>
  50.   {
  51.     float someGenericStuff;
  52.   };
  53.  
  54.   typedef ParticleSystem<Space,AwesomeParam> SelfType;
  55.   typedef ParticleSystem<Space2,AwesomeParam> ParticleSystem2;
  56.   typedef ParticleSystem<Space3,AwesomeParam> ParticleSystem3;
  57.  
  58.  
  59.   void DumpParticle(size_t particleIndex,ParticleSystem2* dummy)
  60.   {
  61.     printf("2: %f %f\n", particles[particleIndex].orientation, particles[particleIndex].invInertia );
  62.   }
  63.  
  64.   void DumpParticle(size_t particleIndex,ParticleSystem3* dummy )
  65.   {
  66.     printf("3: %f\n", particles[particleIndex].test);
  67.   }
  68.  
  69.   void DumpParticles()
  70.   {
  71.     for(size_t particleIndex = 0; particleIndex < particles.size(); particleIndex++)
  72.     {
  73.       DumpParticle(particleIndex,this);
  74.     }
  75.   }
  76.   ParticleSystem()
  77.   {
  78.     particles.push_back(Particle());
  79.   }
  80.   std::vector<Particle> particles;
  81. };
  82.  
  83.  
  84.  
  85. int main()
  86. {
  87.     ParticleSystem<Space3,float> p3;
  88.     ParticleSystem<Space2,char> p2;
  89.     p3.DumpParticles();
  90.     p2.DumpParticles();
  91.     return 0;
  92. }
  93.  
Success #stdin #stdout 0s 2816KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
3: 100500.000000
2: 2.000000 3.000000
https://ideone.com/SNrU2W
language:
C++ 4.3.2 (gcc-4.3.2)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!