Art during Middle ages and Renaissance period
In the middle ages, religious art was distinctive for its deliberate lack of perspective. Serfs, peasants and Kings were depicted as though they were flat, much in the way children draw people. These paintings largely reflected the church's view that God is omnipotent and could therefore see all the parts of the world equally. Art had to reflect this point of view, so the world was painted two dimensionally.
Ref fig 3.3
Renaissance art was a revolt against this flat God centered perspective and man centered art began to flourish with sweeping landscapes and three dimensional people painted from the point of view of a person's eye. Renaissance art reflected the way the eye viewed the world, from the singular point of view of the observer.
Ref pic 3.4
Source : Book Hyperspace Michio Kaku
