Function vm_VectorNormalize

scripts/osiris_vector.h:318–332

Normalize a vector. Returns: the magnitude before normalization

// Normalize a vector.
// Returns:  the magnitude before normalization
float vm_VectorNormalize(vector *a) {
  float mag;

  mag = vm_GetMagnitude(a);

  if (mag > 0)
    *a /= mag;
  else {
    *a = Zero_vector;
    a->x = 1.0;
    mag = 0.0f;
  }

  return mag;
}

float vm_GetMagnitude(vector *a) {
  float f;