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  1. #include <algorithm>
  2. #include <iostream>
  3. #include <iterator>
  4. #include <vector>
  5.  
  6. using namespace std;
  7.  
  8. struct Vector3 { float x, y, z; };
  9.  
  10. struct Mesh {
  11.     vector<Vector3> positions;
  12.     vector<int> indices;
  13. };
  14.  
  15. ostream& operator<<(ostream& os, const Mesh& m) {
  16.     for (const auto& pos : m.positions) cout << "(" << pos.x << ", " << pos.y << ", " << pos.z << "), ";
  17.     for (const auto& index : m.indices) cout << index << ", ";
  18.     cout << endl;
  19.     return os;
  20. }
  21.  
  22. int main() {
  23.     // initialize a Mesh with explicit verts and indices
  24.     Mesh myMesh { { { 0.f, 0.f, 0.f }, { 1.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f } }, 
  25.                   { 0, 1, 2 } };
  26.  
  27.     // initialize a Mesh with iterator pairs
  28.     Mesh mySecondMesh { { begin(myMesh.positions), end(myMesh.positions) },
  29.                         { begin(myMesh.indices), end(myMesh.indices) } };
  30.  
  31.     // initialize a Mesh as a copy of an existing mesh
  32.     Mesh myThirdMesh = myMesh;
  33.  
  34.     cout << myMesh << mySecondMesh << myThirdMesh;
  35. }
  36.  
Success #stdin #stdout 0s 3432KB
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stdin
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Standard input is empty
stdout
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(0, 0, 0), (1, 0, 0), (0, 1, 0), 0, 1, 2, 
(0, 0, 0), (1, 0, 0), (0, 1, 0), 0, 1, 2, 
(0, 0, 0), (1, 0, 0), (0, 1, 0), 0, 1, 2,
https://ideone.com/DlyVYc
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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