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So I’m participating in a game jam where I can only use two colours to make a game. I wanted to try and make it in 3D, but I’ve run into some problems (don’t worry this question isn’t about game development). If I’m already using both colours to differentiate between the different sides of the room, then the player’s arms/gun will blend in with one of the coloured walls, and you won’t be able to see it. Is there a shader that can get the colour of whatever is behind the object relative to the camera, and change to the opposite colour? Or is there maybe some sort of post-processing mask that I can put over everything? Any help is greatly appreciated :)

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  • $\begingroup$ You could always use outlines $\endgroup$ – Nascent Space Sep 10 '20 at 23:30

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