alt Hacker NewsWhat's that overall filter that covers the view? Is it supposed to look like a late 80s passive matrix color LCD screen?
Edit: Thanks for the downvote, guess I shouldn't have paid any attention to this post at all?
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laurentlb • today at 12:21 AM
There's no specific filter. The main effect is blending the previous frame with the current frame. When blending, I modify the coordinates and add some noise. This makes the graphics look less basic and it creates this noisy trail when things move.
The source code is here: https://github.com/laurentlb/shmup8/blob/main/src/shaders/sc...
Blending is on lines 241, 242.
I didn't try to get a specific 80s look, I just played with formulas.
Worth noting that it's easy (and probably fairly frequent) to click the wrong arrow, especially on a phone screen. I've started double-checking the "unvote" vs "undown" link that appears afterwards to make sure I hit the right one.