Why up? The joys of 3D coordinate systems.
We are all familiar with 2 dimensional Cartesian coordinates for describing positions in 2D space, often used to represent pixels on screen, but ultimately the very foundation of algebra. The two values, x and y can be thought of to represent Left <-> Right and Up <->Down respectively, at least when dealing with two […]
Why up? The joys of 3D coordinate systems. Read More