fade()

fl::i32 fl::perlin_s16x16::fade ( fl::i32 t, const fl::i32 * table )

static

Definition at line 69 of file perlin_s16x16.cpp.hpp.

                                                      {
    fl::u32 idx = static_cast<fl::u32>(t) >> 16;
    fl::i32 frac = t & 0xFFFF;
    fl::i32 a = table[idx];
    fl::i32 b = table[idx + 1];
    return a + static_cast<fl::i32>(
        (static_cast<fl::i64>(frac) * (b - a)) >> 16);
}

References fl::t.

Referenced by pnoise2d_raw(), fl::perlin_s16x16_simd::pnoise2d_raw_simd4_vec(), and pnoise3d_raw().

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