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Dec 13th, 2018
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  1. bool czyTrojkatPrzodem(glm::vec3 Wierzcholki[3]) {
  2. int n = 3;
  3. float suma = 0.0;
  4.  
  5. for (int i=0; i<n; ++i) {
  6. suma += (Wierzcholki[i][0] * Wierzcholki[(i + 1) % n][1]) - (Wierzcholki[(i + 1) % n][0] * Wierzcholki[i][1]);
  7. }
  8. suma /= 2.0;
  9. if (suma < 0.0) {
  10. return true; }
  11. return false;
  12. }
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