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| // translates a normalized texture coordinate into a normalized texture coordinate that has been "snapped" to the center of a pixel | |
| vec2 nearest(vec2 uv, vec2 size) { | |
| vec2 pixel = uv * size; | |
| vec2 snapped = floor(pixel - 0.5) + 0.5; | |
| return (snapped + step(0.5, pixel - snapped)) / size; | |
| } |
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