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by laurentlb
182 days ago
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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. |
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