How would I make the whole screen grayscale?

cocos2d-x C++
#1

My game isn’t grayscale, but since it supports football leagues from the 1940s to modern day, I’ve been asked if I could make it possible to toggle the whole screen to grayscale. I don’t want to redo every control, so I was wonder if there’s some other way to toggle this on and off at run time?

Or even to do just part of the screen?

#2

I’m not good with cocos2dx, but i believe you can achieve what you’re looking for with shaders.
Try looking into using shaders in cocos2dx :wink:

#3

thanks!

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