|The Battle of San Romano|
Under the rump of the rearing white horse in the center lies the body of a soldier, his feet touching the bottom edge of the frame, his body stretched toward the back of the picture; this is foreshortening. The figure is very small in comparison to the others, but it is probably the earliest instance of this technique being used to represent a figure in depth. Furthermore, the lances lying on the ground all point toward the rear, what came to be known as the “vanishing point” of a painting, something that Renaissance artists perfected as part of the illusion of dimension.
Here are a few other examples of his painting.