Shader Tutorial for GameMaker 20 - Tunnel Distortion

August 18, 2018 comments 123 Reads

This is a video in the Tutorial series on GLSL shaders for hobby programmers using GameMaker Studio.
In this video we will create our first distortion shader. We’re distorting the fragments of an image so it looks like it’s the back wall of a tunnel – similar to the spinning tunnel in Castlevania IV.
Link to the playlist: