Function CollideExtractAnglesFromMatrix

physics/collide.cpp:1492–1521

}

vector *CollideExtractAnglesFromMatrix(vector *a, matrix *m) {
  float sinh, cosh, sinp, sinb;

  sinh = -m->fvec.x;
  if (sinh < -1.0f)
    sinh = -1.0f;
  else if (sinh > 1.0f)
    sinh = 1.0f;
  a->y = asin(sinh);

  cosh = cos(a->y);
  ASSERT(cosh != 0.0);

  sinp = m->fvec.y / cosh;
  if (sinp < -1.0f)
    sinp = -1.0f;
  else if (sinp > 1.0f)
    sinp = 1.0f;

  sinb = m->uvec.x / cosh;
  if (sinb < -1.0f)
    sinb = -1.0f;
  else if (sinb > 1.0f)
    sinb = 1.0f;

  a->x = asin(sinp);
  a->z = asin(sinb);

  return a;
}

void ConvertEulerToAxisAmount(vector *e, vector *n, float *w) {
  float rotspeed = vm_GetMagnitude(e);