Compiling EyeWriter 2.0 in Lion with Xcode 4.6.3

@marlenet wrote:

This is the website where it shows you how to create the eye writer: http://www.instructables.com/id/The-EyeWriter-20/?ALLSTEPS

This is the code: https://github.com/eyewriter/eyewriter/tree/remoteEyetracker

However, when I compile it it states that: No member named 'v' in 'ofxVec3f'.
I was wondering if it's because the original code was created with 10.5(Leopard)? Do I need to change something?
This is part of the ofxMatrix4x4.h file
Here is an example that is giving me an error:

inline void ofxMatrix4x4::postMultTranslate( const ofxVec3f& v ) {
	for (unsigned i = 0; i < 3; ++i) {
		float tmp = v.v[i];
		if (tmp == 0)
			continue;
		_mat[0][i] += tmp * _mat[0][3];
		_mat[1][i] += tmp * _mat[1][3];
		_mat[2][i] += tmp * _mat[2][3];
		_mat[3][i] += tmp * _mat[3][3];
	}
}

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