Method length2

jni/venus/vec3.h:108–108

	friend bool fuzzyEqual(const vec3<T>& lhs, const vec3<T>& rhs) { return lhs == rhs; }

	T length2() const { return x*x + y*y + z*z; }
	T length() const { return std::sqrt(x*x + y*y + z*z); }
	void normalize() { *this /= length(); }