Graphics Pixel Outline Shader Tutorial

ShaunJS

Just Another Dev
GMC Elder
GM Version: GameMaker Studio 1.x & 2 onwards
Target Platform: All
Download: N/A
Links: N/A

Summary:
Create a simple pixel outline around a sprite using a shader. This shader simply raises the alpha of a pixel based on the pixels that surround it in the original texture. Can be made to work with pixel art of any scale, less useful with anti-aliased art with varying alpha levels.

Tutorial:
 
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