Pseudo 3d en español aqui! Gracias a Luis Peña! (C) 2013 Louis Gorenfeld, updated May 3, 2013 NEW: Important details on the segmented road system and some additional links NEW: An (optional) explanation of finding field-of-view for the 3d projection formula NEW: An analysis of S.T.U.N. Runner NEW: General writing improvements Previous update: An explanation of 3d projection mathematics (under Road