Masters of Illusion (Part 1 and Part 2)

The people of this video are film makers who are trying to make a flat background as 3-D as possible. Renaissance artists were working with a canvas instead. The perception of depth is what makes things 3-D. To understand vision illusion you have to understand the use of vanishing points. If everything lines up with the lines that vanish then it looks like then there is an illusion of great depth and three dimensional lines. A building can look realistic as well as people if there is modeling and shading involved. If the artist takes time to really work hard on the painting or drawing then it can look very real.