It doesn't use surfaces for drawing.
Chromatic Aberration Shader can be used on a specified sprite or background, or on fullscreen. More info about chromatic abberation effect can be found here.
All graphics are from opengameart.org packs
With this shader you can:
You need intermediate knowledge of GML to use.
Please write a review if you like the asset and tell me your suggestions for improvement. If you found an error in my code or my English, please contact me ;)
My other assets! Fixture editor, LUT, physics rope, liquid simulation, textured terrain, custom savegame, day night cycle, breakable physics objects, shaders and more.