
What Exactly Is 3D Space and How Does It
Work?
Think about your favorite character from either a fully ren-
dered movie like Final Fantasy or a game that is rendered in
real time. All these characters are made up of a collection of
vertices and triangles. These vertices are just positions in
space. The vertices are all connected by lines to form trian-
gles, or polygons. These polygons are what you actually see
when you are looking at a rendered movie or a game. In a
movie you can have millions upon millions of polygons that
make up the surface of a character’s skin, armor, and the
scene around him.
Obviously, all of these polygons are driven by math. As ...