There is an example for a grayscale shader, but this is missing information on how to implement the grayscale shader.
If you just copy the colorblindness example and replace the colorblindness shader with the grayscale shader, it doesn't work.
const gray = new GrayScalePostProcessor();
game.graphicsContext.addPostProcessor(gray);
🚨 error: getShader() is not defined.
Proposal
Include code that explains how to implement the grayscale shader
eonarheim
commented
6 months ago
Context
The documentation page for post processors : https://excaliburjs.com/docs/postprocessors doesn't seem complete.
The examples for colorblindness work
There is an example for a grayscale shader, but this is missing information on how to implement the grayscale shader. If you just copy the colorblindness example and replace the colorblindness shader with the grayscale shader, it doesn't work.
Proposal
Include code that explains how to implement the grayscale shader