C版のコード

gistfile1.c

struct VECTOR
{
	float x;
	float y;
	float z;
};

VECTOR VSet( float x, float y, float z )
{
	VECTOR rtn;
	rtn.x = x;
	rtn.y = y;
	rtn.z = z;
	return rtn;
}

VECTOR VAdd( const VECTOR& in_val )
{
	VECTOR rtn;
	rtn.x = in_val.x + 1.0f;
	rtn.y = in_val.y + 1.0f;
	rtn.z = in_val.z + 1.0f;
	return rtn;
}

int main()
{
	VECTOR vec = VAdd( VSet( 0.0f, 1.0f, 0.0f) );
	printf( "vec(%f,%f,%f)", vec.x, vec.y, vec.z );
	return 0;
}