fork download 
  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
comments (?)
stdin 
Standard input is empty
stdout 
(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:
10 years ago
visibility:
secret

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!