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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