A raycasting engine in 7 easy steps #Graphics #Gaming @austinzhenley

Austin Z. Henley posts about making a simple raycasting engine, a combination of math and art, just like the early 3D-ish video games from the 1990s, programmed in JavaScript. The steps used:

  • Defining the walls
  • Cast rays from player’s viewpoint to the walls
  • Draw the walls based on calculated distance
  • Dither the walls
  • Shade the walls
  • Insert the sky and ground
  • Generate the game level
  • Draw a mini map
  • Make the rest of the game

Austin lays it all out with sample code in the post here and MIT licensed code on GitHub.


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