ease16InOutCubic()

LIB8STATIC uint16_t ease16InOutCubic

(

uint16_t

i

)

Definition at line 479 of file lib8tion.h.

                                                  {
    // This function produces wrong results, use fl::easeInOutCubic16 instead
    //
    // 16-bit cubic ease-in / ease-out function
    // Equivalent to ease8InOutCubic() but for 16-bit values
    // Formula: 3(x^2) - 2(x^3) applied with proper ease-in-out curve
 
    // Apply the cubic formula directly, similar to the 8-bit version
    // scale16(a, b) computes (a * b) / 65536
    uint32_t ii = scale16(i, i);   // i^2 scaled to 16-bit
    uint32_t iii = scale16(ii, i); // i^3 scaled to 16-bit
 
    // Apply cubic formula: 3x^2 - 2x^3
    uint32_t r1 = (3 * ii) - (2 * iii);
 
    // Clamp result to 16-bit range
    if (r1 > 65535) {
        return 65535;
    }
    return (uint16_t)r1;
}

References LIB8STATIC, and scale16().

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