Class vec3

engine/3rdparty/tinyobjloader/examples/viewer/viewer.cc:211–218

namespace  // Local utility functions
{
struct vec3 {
  float v[3];
  vec3() {
    v[0] = 0.0f;
    v[1] = 0.0f;
    v[2] = 0.0f;
  }
};

void normalizeVector(vec3 &v) {
  float len2 = v.v[0] * v.v[0] + v.v[1] * v.v[1] + v.v[2] * v.v[2];