List page: 3D

Making a 3d renderer from scratch [part 3]

Currently the render works quite nicely, but calling it 3d is a bit of a stretch. While does provide a first person viewpoint, the entire map is a the same height. Games with this limitation were, like Wolfenstein 3D, were released and did quite well, but modern audiences want a bit more 3d in their 3d.

Making a 3d render from scratch (part 2)

The last renderer worked fine but had 2 major problems, the most apparent is that it can only handle convex geometry, in other works, no walls can overlap on screen. Another problem is performance, it draws every single wall, regardless of if it is visible or not, resulting in a lot of wasted work (overdraw).

Making a 3d render from scratch [part 1]

This series will go over the functioning of a simple Doom style 3d software renderer intended for a first person game.