Function Vector_reflect

source/blender/python/mathutils/mathutils_Vector.cc:1006–1040

    "   :return: The reflected vector matching the size of this vector.\n"
    "   :rtype: :class:`Vector`\n");
static PyObject *Vector_reflect(VectorObject *self, PyObject *value)
{
  int value_num;
  float mirror[3], vec[3];
  float reflect[3] = {0.0f};
  float tvec[MAX_DIMENSIONS];

  if (BaseMath_ReadCallback(self) == -1) {
    return nullptr;
  }

  if ((value_num = mathutils_array_parse(
           tvec, 2, 4, value, "Vector.reflect(other), invalid 'other' arg")) == -1)
  {
    return nullptr;
  }

  if (self->vec_num < 2 || self->vec_num > 4) {
    PyErr_SetString(PyExc_ValueError, "Vector must be 2D, 3D or 4D");
    return nullptr;
  }

  mirror[0] = tvec[0];
  mirror[1] = tvec[1];
  mirror[2] = (value_num > 2) ? tvec[2] : 0.0f;

  vec[0] = self->vec[0];
  vec[1] = self->vec[1];
  vec[2] = (value_num > 2) ? self->vec[2] : 0.0f;

  normalize_v3(mirror);
  reflect_v3_v3v3(reflect, vec, mirror);

  return Vector_CreatePyObject(reflect, self->vec_num, Py_TYPE(self));
}

/** \} */