fcos(x): band-limited cos(x), GLSL and HLSL #156
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Super useful! |
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Indeed! Love these band-limited variants of step, fract, cos... by IQ and Neyret. I use them by default. |
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Added IQ's band-limited variant of
cos(x)which dramatically reduces aliasing at high frequencies.Copied as is from Inigo's 2020 article https://iquilezles.org/articles/bandlimiting/
cos(x)wave aliasing at high frequenciesfcos(x)replacement