easeInCubic8()

u8 fl::easeInCubic8

(

u8

i

)

8-bit cubic ease-in function Takes an input value 0-255 and returns an eased value 0-255 More pronounced acceleration than quadratic

Definition at line 107 of file ease.cpp.

                      {
    // Simple cubic ease-in: i³ scaled to 8-bit range
    // y = i³ / MAX²
    constexpr u16 MAX = 0xFF;
    constexpr u32 DENOM = (u32)MAX * MAX;
    constexpr u32 ROUND = DENOM >> 1;
 
    u32 ii = i;
    u32 cube = ii * ii * ii; // i³
    u32 num = cube + ROUND;
    return u8(num / DENOM);
}

References MAX.

Referenced by ease8(), and ease8().

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