Function normalize

plugins/siege-engine.cpp:234–239

}

inline void normalize(float &x, float &y, float &z)
{
    float dist = sqrtf(x*x + y*y + z*z);
    if (dist == 0.0f) return;
    x /= dist; y /= dist; z /= dist;
}

static Random::MersenneRNG rng;