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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. struct Vector { 
  6. 	float x, y, z;
  7. };
  8.  
  9. struct Particle {
  10. 	int ID;
  11. 	Vector position     { 0.0f, 0.0f, 0.0f };
  12. 	Vector velocity     { 0.0f, 0.0f, 0.0f };
  13. 	Vector acceleration { 0.0f, 0.0f, 0.0f};
  14. 	Vector color        { 1.0f, 0.0f, 0.0f }; // RED
  15. };
  16.  
  17.  
  18.  
  19.  
  20. int main() {
  21. 	const int MaxParticles = 5;
  22. 	Particle particles[MaxParticles] = {{0},{3},{2},{4},{5}};
  23.  
  24. 	// find particle
  25. 	int findid = 3;
  26. 	for(size_t i=0;i< MaxParticles;++i)
  27. 	{
  28. 		if (particles[i].ID == findid)
  29. 		{
  30. 			std::cout << "found partcile with id " << findid <<  " at index " << i << std::endl;
  31. 			break;
  32. 		}
  33. 	}
  34.  
  35. 	auto iter = std::find_if(particles,particles+MaxParticles, [&](const Particle& p){
  36. 		if (p.ID == findid)
  37. 			return true;
  38. 		return false;
  39. 	});
  40.  
  41. 	std::cout << "Found particle " << iter->ID << std::endl;
  42.  
  43. 	return 0;
  44. }
Success #stdin #stdout 0s 15232KB
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Standard input is empty
stdout
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found partcile with id 3 at index 1
Found particle 3
https://ideone.com/kSsMph
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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