Vec3 Vec3::Normalize(Vec3 vec) {
float length = vec.Distance();
vec.x /= length;
vec.y /= length;
vec.z /= length;
return vec;
}
Vec3 Vec3::Normalize() {
Vec3 ret = *this;
float length = ret.Distance();
ret.x /= length;
ret.y /= length;
ret.z /= length;
return ret;
}